O2 XDA Orbit II
#8843
Samsung Galaxy 551
#8930Category Breakdown
O2 XDA Orbit II
Samsung Galaxy 551
Performance
38.941.7
Camera
39.610.0
Display
9.515.2
Battery
13.612.3
Build
0.216.4
Connectivity
19.426.5
Audio
8.98.9
Overall
14.013.8
Summary
- The O2 XDA Orbit II features a 2.8-inch TFT resistive touchscreen with a resolution of 240 x 320 pixels, while the Samsung Galaxy 551 offers a slightly larger 3.2-inch TFT display with a resolution of 240 x 400 pixels, providing a marginally better pixel density.
- In terms of performance, the Galaxy 551 is powered by a 600 MHz Snapdragon S1 chipset compared to the 400 MHz ARM 11 in the Orbit II, along with more RAM at 160MB versus 128MB.
- Both devices have a 3.15 MP rear camera with autofocus, but the Galaxy 551 supports video recording at 320p, while the Orbit II's video capabilities are unspecified.
- The Orbit II has a 1350 mAh battery, slightly larger than the Galaxy 551's 1200 mAh, but both lack fast charging and wireless capabilities.
- The Orbit II runs on Microsoft Windows Mobile 6.0, whereas the Galaxy 551 operates on Android 2.2, which can be upgraded to 2.3.6, offering a more modern software experience.
- Build quality is comparable, with the Orbit II weighing 130g and the Galaxy 551 at 117g, both in black and lacking water resistance.
Side-by-side Specification Comparison
O2 XDA Orbit II
Samsung Galaxy 551
General
Release Date
2008
2010
Announced
2007
2010
Description
HTC Polaris platform
Also known as Samsung I5510, Samsung Callisto
Display
Size
2.8"
3.2"
Type
TFT resistive touchscreen, 65K colors
TFT
Resolution
240 x 320 pixels, 4:3 ratio (~143 ppi density)
240 x 400 pixels, 5:3 ratio (~146 ppi density)
PPI
240
240
Refresh Rate
60Hz
60Hz
HDR Support
✗
✗
Protection
N/A
N/A
Performance
Chipset
Qualcomm MSM7200
Qualcomm MSM7227 Snapdragon S1
CPU
400 MHz ARM 11
600 MHz
GPU
Adreno 130
Adreno 200
Memory
128MB RAM, 256MB ROM
160MB
Expandable Storage
✗
✗
Card Slot
microSD (dedicated slot), SD 2.0 compatible
microSDHC (dedicated slot), 1 GB included
Camera
Main Camera
3.15 MP, AF
3.15 MP, AF
Main Camera Features
N/A
N/A
Front Camera
VGA
N/A
Front Camera Features
N/A
N/A
Video Recording
Yes
320p@15fps
Selfie Video
N/A
N/A
Optical Stabilization
✗
✗
Night Mode
✗
✗
Raw Photo Support
✗
✗
Battery
Capacity
1350 mAh
1200 mAh
Battery Details
Removable Li-Ion 1350 mAh battery
Removable Li-Ion 1200 mAh battery
Charging Details
N/A
N/A
Fast Charging
✗
✗
Wireless Charging
✗
✗
Build & Safety
Dimensions
110 x 58 x 15.5 mm (4.33 x 2.28 x 0.61 in)
111 x 55 x 15.2 mm (4.37 x 2.17 x 0.60 in)
Weight
130 g
117 g
Materials
N/A
N/A
Colors
Black
Black
Foldable
✗
✗
SAR
N/A
0.18 W/kg (head) 0.90 W/kg (body)
Connectivity
SIM
Mini-SIM
Mini-SIM
Network
GSM / HSPA
GSM / HSPA
Network Speed
HSPA 3.6/0.384 Mbps
HSPA 7.2/0.384 Mbps
5G
✗
✗
4G
✗
✗
WiFi
Wi-Fi 802.11b/g
Wi-Fi 802.11 b/g/n, DLNA, hotspot
Bluetooth
2.0, A2DP
2.1, A2DP
NFC
✗
✗
USB
miniUSB
microUSB 2.0
IR Blaster
✗
✗
Headphone Jack
✗
✓
Radio
✗
✗
Positioning
GPS, CoPilot Live Navigator
GPS, A-GPS
Audio
Stereo Speakers
✗
✗
Loudspeaker
Yes
Yes
Audio Jack
No
Yes
Software & Security
Operating System
Microsoft Windows Mobile 6.0 Professional
Android 2.2 (Froyo), upgradable to 2.3.6 (Gingerbread)
Fingerprint
✗
✗
Face Unlock
✗
✗
Sensors
N/A
Accelerometer, proximity, compass