Category Breakdown
Huawei D51 Discovery
NEC N840
Performance
5.322.3
Camera
39.639.6
Display
15.232.3
Battery
10.311.6
Build
0.20.2
Connectivity
10.33.4
Audio
8.90.0
Overall
10.512.4
Summary
- The Huawei D51 Discovery features a compact build with dimensions of 114.5 x 50.5 x 16 mm and weighs 106g, while the NEC N840 is slightly smaller at 100 x 48 x 25 mm and weighs 118g.
- Both devices have a TFT display, but the D51 has a 2.0" screen compared to the N840's 2.2", with both offering a resolution of 240 x 320 pixels.
- Performance-wise, the D51 lacks RAM, whereas the N840 includes 32GB, providing a more capable software experience.
- Both phones have a 2 MP rear camera and no front camera, with video recording capabilities.
- The D51 has a 1000mAh battery, while the N840 offers a slightly larger 1100mAh capacity, though neither supports fast or wireless charging.
- Overall, the D51 may provide a more modern design, while the N840 offers better performance specifications.
Side-by-side Specification Comparison
Huawei D51 Discovery
NEC N840
General
Release Date
2011
2004
Announced
2011
2004
Description
N/A
N/A
Display
Size
2"
2.2"
Type
TFT
TFT, 256K colors
Resolution
240 x 320 pixels, 4:3 ratio (~200 ppi density)
240 x 320 pixels, 4:3 ratio (~182 ppi density)
PPI
240
240
Refresh Rate
60Hz
60Hz
HDR Support
✗
✗
Protection
N/A
N/A
Performance
Chipset
N/A
N/A
CPU
N/A
N/A
GPU
N/A
N/A
Memory
N/A
32MB
Expandable Storage
✗
✗
Card Slot
microSD (dedicated slot)
miniSD, 128 MB included
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
1000 mAh
1100 mAh
Battery Details
Removable Li-Ion 1000 mAh battery
Removable Li-Ion 1100 mAh battery
Charging Details
N/A
N/A
Fast Charging
✗
✗
Wireless Charging
✗
✗
Build & Safety
Dimensions
114.5 x 50.5 x 16 mm (4.51 x 1.99 x 0.63 in)
100 x 48 x 25 mm (3.94 x 1.89 x 0.98 in)
Weight
106 g
118 g
Materials
N/A
N/A
Colors
Black/Orange
Silver
Foldable
✗
✗
SAR
N/A
N/A
Connectivity
SIM
Mini-SIM
Mini-SIM
Network
GSM
GSM
Network Speed
N/A
N/A
5G
✗
✗
4G
✗
✗
WiFi
No
No
Bluetooth
2.1, A2DP
1.2
NFC
✗
✗
USB
2.0
Proprietary
IR Blaster
✗
✗
Headphone Jack
✗
✗
Radio
✗
✗
Positioning
GPS
No
Audio
Stereo Speakers
✗
✗
Loudspeaker
Yes
No
Audio Jack
N/A
No
Software & Security
Operating System
N/A
N/A
Fingerprint
✗
✗
Face Unlock
✗
✗
Sensors
N/A
N/A

