HTC EVO 4G :: Kernels / Set CPU Battery Comparison?
Sep 18, 2010
So I have been playing around with different kernels and settings and logging them in System Panel. I will explain details below each pic. Usage was the similar each day with a little bit of tethering, alot of web surfing, imobsters texting and email with kids playing some games here and there as well. Running Fresh 3.2 with different kernels on different days. Monday night I installed Fresh 3.2 and ran the Fresh kernel with SetCPU ondemand and screen off profile and ran it the same way through Thursday. Late Thursday evening I installed Kings #9 bfs kernel and uninstalled SetCPU and ran it all day Friday Late Friday I reinstalled SetCPU and set it to conservative and ran it that way all day Saturday. As you can see, Tues, Wed, and Thurs were all very consistent. Tues I got appx 15-16 hours, Wed I got 14-15 hours and Thurs appx 12-13 hours. Friday was by far the best just letting the kernel do its thing with no SetCPU. Saturday sucked! Battery was dead by 6 pm with appx 9 hours use. I just flashed the Fresh stock kernel back on and uninstalled SetCPU and will see how that compares tomorrow. Sure would like to see the 1.5 days flipz is getting! I have read several places now that SetCPU may be counter productive since the newer kernels are managing things better lately. Does anybody know if the Fresh 3.2 stock kernel is using HAVS?
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Oct 9, 2010
I wanna know your battery life along with your Rom and Kernel. I want a Sense Rom with great battery life. But everyones saying the MIUI has some good battery life. Right now I have Uncommon Sense v1.1 with King #5 Kernel. Not bad battery life, but not good neither. Also, can you post how much you use your phone?
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Sep 13, 2010
So I am on my 2nd kernel now other than stock. I tried netarchy .18 and currently using kings 9 bfs. I am running stock rooted froyo. The stock kernel gave me the best battery,both netarchy and kings kernels have given better performance. Is there a best of both worlds, i.e. a kernel that gives better performance over stock AND better battery life? With the netarchy kernel I used 25 percent of my battery in 2 hours from a full charge. So far with kings I have used 10 percent in 30 minutes from full charge! This compared to stock which was 90 percent over 20 hours. Any ideas or suggestions?
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Oct 18, 2010
Alright this thread is to talk about what kind of battery your getting with what kind of ROMS and KERNELS.
This shot is from Baked Snack 1.8 Kernel#6 with Low Rider theme with pretty little to medium use
Reason for this thread is to share what ROMS you've gotten best battery life from, cuz I'm trying to venture out and try some different ones with the best life.
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Nov 19, 2010
Some weird things are going on with my battery. I was running Liquid Froyo 1.9 and even 1.95 using slayher kernel and i even tried the p3droid kernel and when i reached about 40% battery, my battery would just jump to 20% and after that pretty quickly to about 5% and then its dead. I recently installed ultimate droid 2.0.0 also using slayher and even then it still did it. I don't understand why this is happening, i havn't even used my phone that much for it to reach 5% so fast, especially jump from 40 or 50% down to 20% in an instant.
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Jun 5, 2010
I did the same thing with the incredible and i basically got the same result; The iPhone picture, at least to me, seems to accurately represent colors while the Evo picture seems to be washed out.
I took the Evo picture with a 1 m resolution (1280 x 768)
I uploaded the iPhone pic first so it should be on the left.
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Jun 13, 2010
Here's the last of my video comparisons between my iPhone and my new Evo. Please leave good comments if you like these. Also, youtube search reiththestud if you want to see parts 1-4.
YouTube - HTC Evo 4g iPhone comparison part 5
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Aug 2, 2010
My friend has the HTC Evo and I recently got the Galaxy S Captivate. As soon as I got it, he proceeded to tell me (rather show off) how he THINKS his phone is better than mine. I know there are draw backs to the Captivate but I don't think the Evo is better than it. I say it's more of a draw once you tie everything in.
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Jun 6, 2010
I did a video comparison between my Evo and my first gen iPhone. These are my impressions from being a former iPhone user. Enjoy, and please leave comments as you see necessary.g (My SD card filled up while recording this so it's in two videos)
Let me clarify. This is not meant to be a definitive review or comparison. I am not a professional product reviewer. I'm just a tech enthusiast give you guys my impressions of my Evo versus my iPhone. I'm sure people will notice things that I let out of this, and I've already noticed quite a few things I meant to say but forgot. Please take my videos for what they are, first impressions.
Here's a link to photos I took: Dropbox - Photos - Online backup, file sync and sharing made easy.
YouTube - HTC Evo 4g iPhone comparison part 1
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Nov 11, 2010
I'm looking to try out a few different kernels for my new Myn's warm ROM. Right now I'm using netachy-toastmod 4.1.9.1 CFS.Seems to work just fine, but I wonder if it could be better with say kings kernel. These and baked kernels seem to be the consensus for Warm.My question is what's the deal with CFS and BFS. What's the difference? I've searched and I'm having a hard time coming up with answers. I'm just wondering what I should be using.
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Apr 11, 2009
Now before I start on the iPhone comparison I'm going to pre-empt the normal "But Android is open source....." response by saying lets be honest and admit it as it stands Android is not an open source project because the public "open source" repository is pretty worthless in its' current state.
The last time I tried to build the master branch it failed missing some Google internal API classes. The SDKs I've produce from the cupcake branch seem to be considered by Google employees as pretty useless with comments like "This is why we want to be clear it is "unofficial," because it is not actually a working SDK" being thrown around and networking in the emulator still being broken a week after users started reporting the showstopper problem (And Romain did hint that Google have a fix, I read http://groups.google.com/group/android-developers/msg/41fcefc36bd16d44 as "there is a version where this is fixed"). And as we all know you can't use it to build the exact versions of the open source parts of either of the two firmware versions that have shipped on the G1.
To me it seems little more than code dump which is aimed at ensuring Google can keep saying "But it is open source and not just a Google project"
Now, in the last week I had few conversations with iPhone developers so I could compare the Android developer experience to that of what is perceived as our nearest competitor and they are laughing at us (seriously, when I mentioned the G1 most of them responded by initially chuckling). The general consensus among them was;
- Yes, you pay $99 for the iPhone dev kit, but you get "free" external testing (i.e. at apple) and commercial quality support with many queries being turned around in hours or a couple of days at worst. Compare that to some of the support queries on b.android.com for basic problems things like a Android failing to connect to wireless lans with hidden SSID (http://code.google.com/p/android/issues/detail?id=1041) which, after *five and a half months* is still marked as "New" and doesn't have a single response from a Google employee.
- The most common cause of App Store listing rejections are things that users would complain about anyway. This includes things like performance characteristics, UI anomalies, and inconsistent behaviour. This is the type of stuff that is left for users to find out on Android and only comes to light when 1* or 2* comments are posted and even then you don't know if it's a one off on the users device or possibly something specific to their region (http://code.google.com/p/android/issues/detail?id=2372).
- The normal amount of time from submission to app store listing is around 7 days. Some apps take months to go through the approval process, but that is because of intellectual property concerns, concerns over offensive content, or is because the app has to be re-reviewed a few times to meet the apples performance and behaviour guidelines. Yes it's not as fast as Android, but you know that once it's on the market it's of a quality where you're not going to get bombarded with user queries about problems straight off.
- Most of the developers actually feel valued by Apple and feel that Apple does what it can to make sure they get the tools they need to do their job and ensure they're apps. This has been re-enforced by allowing the developers to beta test the new firmware and develop against it.
Personally, it's made me shell out $99 for an iPhone SDK, dust off my Nokia N81, and spend $75 on eBay on a Blackberry so I can explore the alternatives.
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Aug 3, 2010
i have been running CyanogenMod6 test8 for awhile now, and I really like it. only problem I've seen so far is the camcorder which they've already mentioned so I knew that going into it. I have also been using a hydra kernel from their website hydrakernel.net and just now realized that the camera does not work with this kernel. so, my question is, are they any kernels besides the stock one that comes with the CM6 ROM? also, does the stock kernel with CM6 have wireless N capabilities? also, my settings > wireless & networks > tethering and portable hotspots > wireless hotspot does not work. is this a CM6 thing or is it a hydra kernel thing? I restored my phone to CM6 with the stock CM6 kernel and the portable hostpot works just fine. so that answers that part of my question.
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May 11, 2012
Any kernel for the evo 3d compatible with ICS (sense 3.6 or 4.0 doesn't matter) that allows for charging while phone is on? Tried downloading chad goodman's kernel but kept receiving a 404 error so that's a no-go... wondering if there are alternative kernels out there others are using?
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Sep 1, 2010
First let me disclaim: I am not a phone expert, reviewer expert, or anything. I work in the IT industry so I have a natural built-in ability to "deal" with buggy stuff more than a typical end-user. Some folks have posted their experiences here, I thought I would too. Let's roll.
First things first, the shipping/packaging. The warehouse had tons of Epics in stock on day 1 and there was 0 problem getting it shipped to me (I use a corporate account). So we can put to rest the concerns of a shortage like the Evo, at least for now. The packaging is slightly more wasteful (full rectangle vs the Evo's sardine-tin look) but is very nice and pretty typical of a cell phone from Sprint. The phone comes with a charging cable (micro-usb), a plug adapter for the cable, earbuds, and manuals. There is a ton of safety-tape all over the phone. I actually like this, it ensures you have a crystal clear exterior out of the box.
Putting it up to the Evo, I noticed a few things. It looks a LOT nicer when turned off. The phone is just sexy. It's very sleek and full black, rather than the Gray-ish Evo. At first I loved the lack of buttons, just makes it much more sleek, but this came back to bite me later. I saw a reviewer say that taking away the Sprint and Samsung labels would make the sex appeal of the turned-off Epic go through the roof and I couldn't agree more. It is lighter in the hands than the Evo, and the shape feels more comfortable in my hand. When using the Evo, I found myself constantly setting off the soft buttons on the front. On the Epic, I find myself constantly setting off the hard buttons, mostly the camera button on the lower right side. Not a major issue.
The other hardware items are a nice upgrade: the charger being on top presents a much more preferable configuration, when holding/using the device plugged in, but also when using it in the car or at a desk; there is less cord bending needed. The volume rocker on the left isnt as nice as the Evo�s in my opinion, but that�s such a minor issue for me I didnt even care. Some folks complained about the battery cover; it is seriously no more hassle than the Evos and it feels identical in the pressure needed to pry it off.
Turning on the phone is BLAZING fast. I always hated how cellphones took longer than PCs to boot, but the Epic squashes this -- it's unbelievable. So nice to boot in under 20 seconds...
The camera�holy cow. I never thought I�d care but the back facing still and video camera is amazing compared to the Evo in quality. Now, the Evo has a slight advantage (at least mine) in color quality, but in sharpness, field of view, and options, the Epic blows it away. This was suspected, since Samsung makes camera products. The earbuds are nicer than some that come with the Blackberries my office uses, but to be honest I hardly ever use stock accessories, so I dont think Ill use them. Having a few sizes of rubber covers is nice.
Lets turn it on. Right away a former Sense UI user might be bummed. Touchwiz 2.5 is nothing close to Sense. Yes, I do realize apps can fake the clock and other widgets. But this review is about the PHONE not what apps can make modifications to it. The UI is a major disappointment and the Evo blows it away. That being said, USING the UI well that checkered flag goes to the Epic. Despite the lack of useful bits and pieces in TW 2.5 moving to the desired location is easy and fast on the Epic, more so than the Evo. With the screens, I compare the Epic and the Evo to butter and ice, respectively. The Epic screen is smooth, always, even after 100 swipes. The Evo is smooth at first, but if you repeatedly swipe back and forth, you get more friction as time goes on. I really think the Epic glass is superior in that regard. I have not been able to test strength of glass, because this is not a free phone. =P
I went to lunch today with both phones, and while the Epic is miles past the Evo indoors, the outdoors is a different story. The Evo seemed to alter its brightness to counteract the glare. The Epic did not change at all. It was near impossible to make out emails and video on the Epic. I have not played with or tweaked settings, so this chapter isnt finished by any means, we may be able to adjust this.
The GPS�.hoo boy. This has been a long contended item in this community. Obviously the previous Galaxy S phones reported a lot of issues, and I think the Epic is just another in the line of problem children in this arena. My GPS did not work out of the box with any apps. Only after downloading a free app called GPS Status did it actually connect to satellites. Then, the other apps like Maps worked. The Evo, on the other hand, simply worked. Out of the box, with no nudging or coercing. The epic was a huge disappointment for me in this realm because a big portion of the usefulness and fun of the phone for me deals with GPS, and to have it be so buggy.yuck. Ill hold up a glass and toast the Samsung guys the minute this is fixed, and I have every hope that it can be, with software.
Another thing that bugged me was the paltry selection of apps. Oh dont worry, we got Sprint Zone, Sprint TV, Sprint Football, Sprint Curling, Sprint Foxhunting, and Sprint Midget Wrestling, but painfully absent are App Sharing, separate apps for Camera and Camcorder, Navigation (I cant find this on the market either so any help getting this on my Epic would be appreciated), Google Search (duh, shouldnt this be mandatory? Sometimes I dont want to use the widget!), and many others. It REALLY felt like HTC went the extra mile to give us tons of stuff we can use out of the box, and Samsung left it to us to go get. To me, no problem, but to an end-user that can be a real pain. Especially my problem children. =)
For settings, it felt like the Evo just kinda worked like Id expect. The fact that the screen stays on longer before it shuts off is nice. The Epic is literally something like 10 seconds which is horrible. Yes, you can change it. Yes, I like the fact that HTC seemed to take more time thinking about how a normal user would use their phone.
Now, the keyboard. I love the keyboard, Ive been using it for e-mails over 2 sentences long, but to be honest, 95% of my time I use the Swype keyboard. Before Swype was out, I would have loved having a hardware keyboard but now I am thinking that it is less of a need and more of a want. The buttons are a nice size, and I disagree with complaints Ive seen in the past regarding the space button its juuust fine.
The last major nitpick I have is the soft buttons. They suck. They have bizarre timing for being lit or off, and even if you know the order of the buttons: menu, home, back, search, tapping near them doesn�t work, you have to remember EXACTLY where they are. So muscle memory from using the phone for a few weeks will help with this but I hope this is another software fix that we might see, or a settings adjustment somewhere.
All in all I LOVE the phone. Its sexy, it fits into my pants so much nicer than the Evo, and I haven�t even dipped into the real advantage: the graphics processor. Maybe Ill do a follow up review on that side of things. I will be sending my Evo back and keeping the Epic. It has some great potential and I like the improvements over the Evo.
I know this review has seemed a bit like Im a bit of a downer, but I thought it was important to go through each component and I tend to be a bit harder on gadgets, since I work with them daily and need them to be top notch.
Overall, Epic gets 4 out of 5 Squiggs.
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Sep 10, 2010
Can anyone link me up with a good comparison of the many many Froyo ROMs available for the desire? Or at least a comparison of the main players.
This might be a good sticky if people can review what ROM they have so we can see the popular choices and why they're popular.
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