Category Breakdown
O2 XDA Nova
Samsung D840
Performance
29.829.1
Camera
39.639.6
Display
9.532.3
Battery
1.64.6
Build
0.217.3
Connectivity
6.74.7
Audio
8.98.9
Overall
10.614.6
Summary
- The O2 XDA Nova features a larger 2.8-inch TFT resistive touchscreen with a resolution of 240 x 320 pixels, compared to the Samsung D840's smaller 2.12-inch TFT display with the same resolution but a higher color depth of 256K.
- In terms of performance, the Nova is equipped with a TI OMAP 850 chipset and 128MB of RAM, while the D840 has 80MB of RAM but lacks detailed chipset specifications.
- Both devices have a 2 MP rear camera with video capabilities, but neither offers optical image stabilization or a front-facing camera.
- The Nova does not specify battery capacity, while the D840 has a 700mAh battery, which may provide longer usage.
- The software experience on the Nova runs on Microsoft Windows Mobile 6.0 Professional, whereas the D840's operating system details are unspecified, indicating a potentially less sophisticated software environment.
- Build quality is comparable, with the Nova being slightly heavier and bulkier than the D840, which is slimmer and lighter.
Side-by-side Specification Comparison
O2 XDA Nova
Samsung D840
General
Release Date
2007
2006
Announced
2007
2006
Description
HTC Elf platform
N/A
Display
Size
2.8"
2.12"
Type
TFT resistive touchscreen, 65K colors
TFT, 256K colors
Resolution
240 x 320 pixels, 4:3 ratio (~143 ppi density)
240 x 320 pixels, 4:3 ratio (~189 ppi density)
PPI
240
240
Refresh Rate
60Hz
60Hz
HDR Support
✗
✗
Protection
N/A
N/A
Performance
Chipset
TI OMAP 850
N/A
CPU
200 MHz ARM926EJ-S
N/A
GPU
N/A
N/A
Memory
128MB RAM, 256MB ROM
80MB
Expandable Storage
✗
✗
Card Slot
microSD (dedicated slot), 1 GB included
microSD (dedicated slot)
Camera
Main Camera
2 MP
2 MP
Main Camera Features
N/A
LED flash
Front Camera
N/A
N/A
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
N/A
700 mAh
Battery Details
Removable Li-Ion battery
Removable Li-Ion 700 mAh battery
Charging Details
N/A
N/A
Fast Charging
✗
✗
Wireless Charging
✗
✗
Build & Safety
Dimensions
100 x 58 x 14 mm (3.94 x 2.28 x 0.55 in)
99 x 51 x 11.9 mm (3.90 x 2.01 x 0.47 in)
Weight
120 g
100 g
Materials
N/A
N/A
Colors
Soft Black, Wasabi Green
Black, Silver
Foldable
✗
✗
SAR
N/A
0.60 W/kg (head) 0.47 W/kg (body)
Connectivity
SIM
Mini-SIM
Mini-SIM
Network
GSM
GSM
Network Speed
N/A
N/A
5G
✗
✗
4G
✗
✗
WiFi
Wi-Fi 802.11b/g
No
Bluetooth
2.0
1.2, A2DP
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 6.0 Professional
N/A
Fingerprint
✗
✗
Face Unlock
✗
✗
Sensors
N/A
N/A

