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iPhone 3GS Performance: A Significant Performance Bump
iPhone 3GS Performance: A Significant Performance Bump
Date: June 19th, 2009
Topic: Gadgets
Manufacturer: Apple
Author: Anand Lal Shimpi
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You may have noticed today's review of the Palm Pre. While I strongly suggest reading it if you're at all interested, I do have some new data for your consumption. After the announcement of the iPhone 3GS I posted an article discussing the hardware specs of the 3GS. I outlined the single chip CPU/GPU SoC as follows:

  iPhone 3G (ARM11) iPhone 3GS (ARM Cortex A8)
Manufacturing Process 90nm 65nm
Architecture In-Order In-Order
Issue Width 1-issue 2-issue
Pipeline Depth 8-stage 13-stage
Clock Speed 412MHz 600MHz
L1 Cache Size 16KB I-Cache + 16KB D-Cache 32KB I-Cache + 32KB D-Cache
L2 Cache Size N/A 256KB

 

The iPhone 3GS uses an ARM Cortex A8 processor running at 600MHz, much like the Palm Pre. Many weren't confident that the 3GS used the new ARM A8 core instead of a higher clocked ARM11, so after waiting in line to grab a 3GS this morning I decided to run a few tests (the iPhone 3G tests were using OS 3.0 and the Pre tests used OS 1.0.2).

Update: Thanks to the many readers who have pointed out my incorrect wording of the 3GS' performance improvements. The tables in the article have been updated to reflect the correct percentages. I appreciate the corrections :)

WiFi Apple iPhone 3G Apple iPhone 3GS Palm Pre T-Mobile G1
anandtech.com 16.3 s 7.8 s 8.2 s 17.2 s
arstechnica.com 17.7 s 6.3 s 7.8 s 17.8 s
hothardware.com 35.2 s 14.7 s 11.2 s 24.4 s
pcper.com 33.3 s 15.0 s 18.0 s 34.0 s
digg.com 34.3 s 15.0 s 22.1 s 40.0 s
techreport.com 24.1 s 9.6 s 9.0 s 20.5 s
tomshardware.com 21.4 s 16.4 s 13.8 s 26.0 s
slashdot.org 26.0 s 10.0 s 20.9 s 46.0 s
facebook.com 31.7 s 13.5 s 19.6 s 37.7 s
iPhone 3GS Advantage over Palm Pre   21%    
iPhone 3GS Advantage over iPhone 3G   122%    

 

The new 3GS renders web pages 128% faster, on average, than the old iPhone 3G. The 45% clock speed boost alone isn't enough to generate such a large performance increase, this is a new microarchitecture. Also, note that the 3GS' performance mimics that of the Palm Pre - another Cortex A8 based phone.

Not too surprising given the just-released nature of the Pre's webOS, the 3GS is actually able to render webpages slightly faster than the Pre in some cases. The overall performance advantage ends up being 22.6% in favor of the 3GS over the Pre.

Application launch time has also improved (I've updated the results with data from the iPhone OS 3.0):

Application Launch Time in Seconds Web Browser Dialer Google Maps Camera Email
Apple iPhone 3GS 0.7 s 0.7 s 2.7 s 2.8 s 0.8 s
Apple iPhone 3G 0.8 s 1.2 s 3.3 s 3.9 s 1.2 s
Palm Pre 3.0 s 1.5 s 8.6 s 4.4 s 3.3 s
T-Mobile G1 5.4 s 2.0 s 4.4 s 4.9 s 2.0 s
iPhone 3GS vs. 3G Performance Advantage 14% 71.5% 22.2% 39.4% 50%

 

While the old iPhone 3G was no slouch, the 3GS is anywhere from 14 - 72% faster in basic application load times. It's the magic of a brand new CPU architecture.

I'll be working on the 3GS all weekend and hope to provide a more thorough look at CPU, GPU and battery life performance with the new hardware. Enjoy.

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72 Comments - Last by elivebuypp, 9 days ago
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Comparisons by Cacolaco, 160 days ago
I can't understand why the Blackberry Storm isn't included in comparisons like this. There was a new update a couple of weeks ago, and, at least in terms of loading applications, the storm is just as fast as the 3G S, if not faster. I can say, for a fact, that the Storm is faster than the numbers listed for the 3G, Pre, and G1.

I'm not saying the Storm is better. The iPhone has a LOT of things going for it, but the Storm is a popular phone on one of the nations largest carriers, and it performs well enough (now, if not when it was released) to be included in comparisons such as this.

Reply
RE: Comparisons by KentState, 159 days ago
I was wondering the same thing. I'm sitting here launching the applications listed in the comparison. The dialer, email, web browser, and camera launch instantly with a button press. Google Maps took a little longer to launch, but it was as fast as the 3GS.

Reply
RE: Comparisons by omnivector, 159 days ago
The reason for that is pretty simple -- the Blackberry Storm is more or less a failure.

Reply
RE: Comparisons by AJRobins, 159 days ago
I wouldn't call it a failure.

However, the Storm is certainly lagging behind in sales. IIRC, the Storm sold around 500,000 units in the first month. The iPhone 3GS is estimated to sell around 500,000-750,000 units in the first weekend.

Reply
RE: Comparisons by Tegeril, 159 days ago
I'd call it a failure.

Reply
RE: Comparisons by iPhoneSucks, 158 days ago
Flawed Comparison.

No Nokia Phone! atleast you could include 5800XM / N97

Why there is no COST aspect (i mean both cost of ownership initially and over a period of contract)

just comparing speed and declaring it as a winner is such a low tech

well done Anand. keep it up. That's what i expect from an Indian

yeah, i am an indian too.

Reply
RE: Comparisons by jaganm, 158 days ago
Just for kicks, I did a comparison of some of the sites mentioned here on my n82 and ipod touch (running OS3.0). The Nokia takes around 4-6 times longer than the ipod to load these sites. These were all on wi-fi sitting right next to my base station.

The Nokia phones have a much slower processor and their build of webkit is way slower. So, there's no point really comparing the two.

Reply
RE: Comparisons by sieistganzfett, 159 days ago
You're kidding right?? I have a storm... You want a comparision? ok.. first off there is no WIFI, so no point in results there since storm 1 doesn't have wifi.

v4.7.0.148 (Platform 4.0.0.181) opening different progs.. (I run the appleberry theme since it's more responsive than the storm's default theme)
Web Browser... 6 sec
Dialer......... 2 sec
Google maps.... 2 sec
Camera......... 4 sec
to take a pic with max resolution. etc. with camera... no comparison... by the time it takes a pic, what ever i was taking one of is long GONE! it takes about 3-7 sec on a GOOD DAY.. lowering resolution, etc. makes this marginally better. for it to SAVE the pic, it takes about 8 sec.
Email.......... 0.8sec

Conclusion: the phone still locks up on heavy use of email/phone, or just turns off since it can't handle heavy use... this is a hardware problem on my phone since there are some other storms that do not experience this. the new OS is faster than the original, .75 however, this is NO iphone, so don't expect it to work consistently like one. :p

Reply
RE: Comparisons by Cacolaco, 158 days ago
I'd say the problem that is cropping up here for the Storm is inconsistency, then, because your times for opening those apps are longer than what I've experienced across the board, with the exception of Google Maps, which your phone seems to do well with.

I have been very happy with the camera on my phone. It runs circles around my wife's Flipshot, as far as responsiveness and image quality are concerned. I've had no problems with shutter delay on the highest settings (as with many cameras, the responsiveness is much better when you press half way to let the autofocus work), although video recording doesn't always stop recording as responsively as I'd like.

My web browser, and dialer launch within no more than 1 second, and the camera is ready to go within 1.5 to 2 seconds.

I should note that I am using the default theme.

I'm not trying to disclaim your numbers - I'm legitimately concerned about the fact that the Storm seems to display such a difference in application performance from phone to phone, as I personally know 2 people who aren't happy with their Storm.

And wi-fi being absent shouldn't exclude the storm. People have made such a big deal about this... Where was mms on the iPhone, or video, or flash for the camera (kudos to Apple for adding some of these, btw)? These things might not be important to you, but they are to me, much more so than wi-fi. Each of these phonse have their advantages and disadvantages, and for many, Wi-fi is no more vital than options missing on other phones.

Based on my personal experience, it is a shame that the Storm doesn't get a fair chance. (and to those who would quote sales numbers, they really have no place in a hardware/software performance comparison)



Reply
RE: Comparisons by sieistganzfett, 158 days ago
let's trade! :)

Reply
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