Category Breakdown
O2 X3
Sagem my421x
Performance
54.354.3
Camera
41.841.8
Display
48.348.3
Battery
43.543.5
Build
70.870.8
Overall
50.050.0
Summary
- The O2 X3 features a compact build at 81 x 42 x 26 mm and weighs 96g, while the Sagem my421x is larger at 107 x 47 x 10 mm and lighter at 81g.
- The O2 X3 has a TFT display with the same resolution as the Sagem my421x's CSTN display, but the latter offers a slightly larger size of 1.8 inches compared to the X3's 0 inches.
- Both phones have a 1.3 MP rear camera with video capabilities but lack a front-facing camera.
- In terms of performance, the O2 X3 has 3GB of RAM, whereas the Sagem my421x has no RAM specified.
- Battery specifications are not provided for either device, and both lack advanced connectivity options, though the Sagem my421x includes Bluetooth while the O2 X3 does not.
- The software experience is minimal for both phones, with no operating system details available.
Side-by-side Specification Comparison
O2 X3
Sagem my421x
General
Release Date
2004
2008
Announced
2004
2008
Description
N/A
N/A
Display
Size
N/A
1.8"
Type
TFT, 256K colors
CSTN, 65K colors
Resolution
128 x 160 pixels
128 x 160 pixels (~114 ppi density)
PPI
128
128
Refresh Rate
60Hz
60Hz
Peak Brightness
N/A
N/A
HDR Support
✗
✗
Protection
N/A
N/A
Performance
Chipset
N/A
N/A
CPU
N/A
N/A
GPU
N/A
N/A
Memory
3MB
N/A
Expandable Storage
✗
✗
Card Slot
miniSD, 32 MB included
microSD (dedicated slot)
Camera
Main Camera
1.3 MP
1.3 MP
Main Camera Details
1.3 MP
1.3 MP
Front Camera
N/A
N/A
Front Camera Details
N/A
N/A
Video Recording
Yes
Yes
Selfie Video
N/A
N/A
OIS
✗
✗
Night Mode
✗
✗
RAW Support
✗
✗
Battery
Capacity
N/A
N/A
Battery Details
Removable Li-Ion battery
Removable Li-Ion battery
Charging Details
N/A
N/A
Fast Charging
✗
✗
Wireless Charging
✗
✗
Build & Design
Dimensions
81 x 42 x 26 mm (3.19 x 1.65 x 1.02 in)
107 x 47 x 10 mm (4.21 x 1.85 x 0.39 in)
Weight
96 g
81 g
Materials
N/A
N/A
Water Resistance
N/A
N/A
Colors
Silver
Black
Foldable
✗
✗
Connectivity
SIM
Mini-SIM
Mini-SIM
Network
GSM
GSM
Network Speed
N/A
N/A
5G
✗
✗
4G
✗
✗
WiFi
No
No
Bluetooth
No
Yes
NFC
✗
✗
USB
Proprietary
Proprietary
IR Blaster
✗
✗
Headphone Jack
✗
✗
Radio
✗
✗
Positioning
No
No
Software
Operating System
N/A
N/A
OS Version
N/A
N/A
Security
Fingerprint
✗
✗
Face Unlock
✗
✗
Sensors
N/A
N/A
Audio
Stereo Speakers
✗
✗
Loudspeaker
No
Yes
Audio Jack
No
No

