Category Breakdown
O2 XDA Atom Life
Samsung i640
Performance
26.925.9
Camera
39.639.6
Display
10.822.1
Battery
15.910.3
Build
0.214.4
Connectivity
14.810.7
Audio
8.98.9
Overall
12.214.3
Summary
- The O2 XDA Atom Life features a slightly larger 2.7-inch TFT resistive touchscreen with a resolution of 240 x 320 pixels, while the Samsung i640 has a 2.4-inch TFT display with a higher resolution of 320 x 240 pixels, resulting in better pixel density.
- In terms of performance, the Atom Life is powered by a 620 MHz Intel XScale CPU compared to the 416 MHz CPU in the i640, which may offer better multitasking capabilities.
- Both devices have a 2 MP rear camera, but neither includes optical image stabilization or a front-facing camera.
- The Atom Life has a larger 1530 mAh battery, while the i640's battery capacity is 1000 mAh.
- Both run on Windows Mobile, with the Atom Life using version 5.0 and the i640 using version 6.0, indicating a slightly more updated software experience for the latter.
Side-by-side Specification Comparison
O2 XDA Atom Life
Samsung i640
General
Release Date
2007
2008
Announced
2007
2008
Description
N/A
N/A
Display
Size
2.7"
2.4"
Type
TFT resistive touchscreen, 256K colors (65K effective)
TFT, 65K colors
Resolution
240 x 320 pixels, 4:3 ratio (~148 ppi density)
320 x 240 pixels, 4:3 ratio (~167 ppi density)
PPI
240
320
Refresh Rate
60Hz
60Hz
HDR Support
✗
✗
Protection
N/A
N/A
Performance
Chipset
N/A
N/A
CPU
Intel XScale PXA 270 620 MHz
32-bit Intel XScale PXA270 416 MHz
GPU
N/A
N/A
Memory
64MB RAM, 1GB ROM
64MB RAM, 128MB ROM
Expandable Storage
✗
✗
Card Slot
miniSD
microSD (dedicated slot)
Camera
Main Camera
2 MP
2 MP
Main Camera Features
LED flash
N/A
Front Camera
VGA videocall camera
VGA videocall camera
Front Camera Features
N/A
N/A
Video Recording
Yes
Yes
Selfie Video
N/A
N/A
Optical Stabilization
✗
✗
Night Mode
✗
✗
Raw Photo Support
✗
✗
Battery
Capacity
1530 mAh
1000 mAh
Battery Details
Removable Li-Po 1530 mAh battery
Removable Li-Ion 1000 mAh battery
Charging Details
N/A
N/A
Fast Charging
✗
✗
Wireless Charging
✗
✗
Build & Safety
Dimensions
106 x 58 x 18 mm (4.17 x 2.28 x 0.71 in)
94.4 x 61 x 16.9 mm (3.72 x 2.40 x 0.67 in)
Weight
145 g
148 g
Materials
N/A
N/A
Colors
Silver
Silver
Foldable
✗
✗
SAR
N/A
1.18 W/kg (head) 1.12 W/kg (body)
Connectivity
SIM
Mini-SIM
Mini-SIM
Network
GSM / HSPA
GSM / HSPA
Network Speed
HSPA
HSPA 3.6/0.384 Mbps
5G
✗
✗
4G
✗
✗
WiFi
Wi-Fi 802.11b/g
No
Bluetooth
1.2
2.0
NFC
✗
✗
USB
miniUSB
1.1
IR Blaster
✗
✗
Headphone Jack
✗
✗
Radio
✗
✗
Positioning
No
No
Audio
Stereo Speakers
✗
✗
Loudspeaker
Yes
Yes
Audio Jack
No
No
Software & Security
Operating System
Microsoft Windows Mobile 5.0 PocketPC
Microsoft Windows Mobile 6.0 Standard
Fingerprint
✗
✗
Face Unlock
✗
✗
Sensors
N/A
N/A

