iPhone 4 vs. Samsung Galaxy S
by Phawx - June 27th, 2010 5:53PM EDT
Engadget did a comparison on the displays of the iPhone 4 vs the Samsung Galaxy S. The only thing you could take away from the article were the microscopic shots showing the differences between the screens at 10x magnification.
Otherwise, they tried to display the differences to the reader via screenshots. Now let me ask you this? How does that help anyone discern the difference when the end result is a person is going to be viewing them on an LCD!
I'm apart of this blog, so I thought it only right to clear the air and VISUALLY show what the difference is between the Samsung Galaxy S and the iPhone 4.
Retina Display, it's all in the Pixels Per Inch
The iPhone 4's display has a resolution of 960x640, which basically equals 330ppi (Apple says it's 326ppi). Samsung Galaxy S has a PPI of 223 but actually, if we account for the PenTile Matrix we arrive at 190PPI. So to be fair, let's say the Samsung Galaxy S has 190PPI. That's 58% of the pixel density in the iPhone 4's screen.
To make things easier, let's say that the iPhone 4 resolution is 2x better than the Samsung Galaxy S display. So If Samsung Galaxy S was one penny, the iPhone 4 would be two pennies. Much like the picture below:
This is the difference in pixel density between the iPhone 4 and the Samsung Galaxy S. But, let's move onto AMOLED's strengths, shall we? First, let's start off with contrast ratio. The iPhone 4's contrast ratio is 800:1 whereas on the Samung Galaxy S, it's technically infinite because true black can be reached. However, let's go by what Samsung lists: 100,000:1. That is THREE orders of magnitude difference. To better visualize that, take a look at the picture below:
Please be aware that the Samung Galaxy S, is in fact, the $10 bill, compared to the iPhone 4's penny. Now, let's move onto response rate. Something all gamers should be aware of and why we hate LCD so much. Currently the best response rate I've seen on an IPS LCD is 5 milliseconds. Because AMOLED doesn't have to switch itself on or off (black or white, respectively) and only has to illuminate if on or not, the response rate on AMOLED is 1 MICRO second. Again, we have THREE ORDERS OF MAGNITUDE difference just to get to ONE Milli second. However, we need to go to FIVE milliseconds. To show you visually what that looks like, look below:
That's right. Look at that response rate. The Samsung Galaxy S response rate is 5,000 times better than the iPhone 4. Combine these features and what you get is fluid, UNMATCHED, Vivid color accuracy. On a screen that is a half an inch larger than the iPhone 4.
Below is a link to the Engadet article and also a complete chart comparing the Samsung Galaxy S to the iPhone 4.
http://www.engadget.com/2010/06/24/iphone-4-retina-display-vs-galaxy-s-super-amoled-fight/
| IPhone 4 | Samsung Galaxy S | |
| Carriers | ||
| AT&T | X | X |
| T-Mobile | (Unlocked version works on T-Mobile without 3G) | X |
| Sprint | X | |
| Verizon | TBD | |
| 2G | X (Class 10 GPRS) | X (Class 12 GPRS) |
| 3G | X | X |
| 4G | X (Sprint) | |
| Stand-by Time | 300 Hour(2G) / 300 Hour (3G) | 750 Hour (2G) / 576 Hour (3G) |
| Talk time | 14 Hour (2G) / 7 Hour (3G) | 13 Hour 30 Minutes (2G) / 6 Hour 30 Minutes (3G) |
| Battery | 1420 mAh Li-Po | 1500 mAh Li-Po |
| User-Replaceable Battery | X | |
| Music Playback Time | 40 Hour (theoretical) | NA |
| Video Playback Time | 10 Hour (theoretical) | 7 Hour 25 Mins ACTUAL |
| Slide-out Keyboard | Available on Sprint Model | |
| Dimensions | 115.2 x 58.6 x 9.3mm | 122.4 x 64.2 x 9.9 mm |
| Weight | 137g | 118g |
| Display | IPS LCD 16m Colors | Super Amoled 16m colors |
| Resolution | 640x960 at 3.5 inches | 480x800 (653x392 PenTile) |
| Pixels Per Inch | 330 ( Apple States 326) | 233(190 PenTile) |
| Response Rate | 5 millseconds | 1 microsecond |
| Contrast Ratio | 800 to 1 | 100,000 to 1 |
| Multi-touch | X | X |
| WLAN | 802.11 b+g+n (2.4Ghz only, no MIMO) | 802.11 b+g+n (2.4Ghz only, no MIMO) |
| Bluetooth | 2.1 | 3 |
| BT Profiles Supported | 5 (HFP, PBAP, A2DP, AVRCP(Limited), PAN) | 14 (GAP, SSP, SDAP, HSP, HFP1.5, A2DP, AVRCP, SPP, DUN, FTP, SAP, BPP, OPP, PBAP) |
| Accelerometer | X | X |
| Gyro | X | (available on the Captivate AT&T model) |
| Proximity | X | X |
| Speaker Phone | X | X |
| Radio | X | |
| 3.5mm Jack | X | X |
| Storage | 16/32GB | 8/16GB with expandable MicroSD |
| Max Storage | 32GB | 48GB |
| Camera | 5MP Back-side illuminated | 5MP Back-side illuminated |
| Max Video Record | 720@30FPS | 720@30FPS |
| LED FlashLight | X | (X Only on Sprint model right now) |
| Front Facing camera | X | X (Not on ATT Model Possibly not on Tmo either) |
| VideoCalling | Only over wifi | Wifi/3G/4G |
| GPS | Yes, with A-GPS Support | Yes, with A-GPS Support |
| Navigation | Cheapest Solution is $30 | Free with Google Navigation |
| CPU | Arm Cortex A8 running 700Mhz (comparison to iPad Benchmark) | ARM Cortex A8 Running at 1Ghz |
| GPU | SGX535 = 28 million tri/sec | SGX 540 = 90 million tri/sec |
| RAM | 512MB LPDDR | 512MB LPDDR (256MB usable in Android 2.1) |
| DSP | X | SGX 540 decodes the video |
| Video Playback | upto 1080p | upto 1080p |
| Video Codec Support: | ||
| mpeg4 | X | X |
| H.264 | X | X |
| H.263 | X | |
| Sorenson Codec | X | |
| Divx HD | X | |
| Xvid | X | |
| VC-1 | X | |
| Video Format Support: | ||
| M4V | X | X |
| MP4 | X | X |
| MOV | X | |
| 3GP | X | |
| WMV | X | |
| AVI | X | |
| MKV | X | |
| FLV | X | |
| Lossless Audio: | ||
| Apple Lossless | X | |
| AIFF | X | |
| FLAC | X | |
| WAV | X | X |
| Other Audio: | ||
| Vorbis (ogg) | X | |
| MP3 | X | X |
| AAC | X | X |
| AAC+ | X | X |
| eAAC+ | X | X |
| WMA | X | |
| AMR-NB | X | |
| AMR-WB | X | |
| MID | X | |
| XMF | X | |
| IMY | X | |
| Operating System: | IOS 4.0 | Android 2.1 (Android 2.2 available by end of summer?) |
| Number of Apps | 230000 | 65000 |
| Side-Load support | X | |
| Multi-Tasking Support | Selective Multitasking provided developers use it | Full Multitasking |
| App Store | X | X |
| Highest Reported SAR (Specific Absorbtion Rate) | ||
| GSM 850 Mhz | Head: 1.00 W/Kg / Body: 1.11 W/Kg | Head: 0.126 W/Kg / Body: 0.422 W/Kg |
| GSM 1900 Mhz | Head: 1.17 W/Kg / Body: 0.433 W/Kg | Head: 0.211 W/Kg / Body: 0.388 W/Kg |
| WCDMA 1900 Mhz | Not available in CDMA | Head: 0.325 W/Kg / Body: 0.299 W/Kg |
| WLAN | Head: 0.871 W/Kg / Body: 0.073 W/Kg | Head: 0.034 W/Kg / Body: 0.0003 W/Kg |
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