Category Breakdown
Celkon C747
Samsung R640 Character
Performance
5.35.3
Camera
39.62.5
Display
14.232.3
Battery
15.210.3
Build
0.216.7
Connectivity
6.415.3
Audio
8.98.9
Overall
10.39.8
Summary
- The Celkon C747 features a compact build with dimensions of 112 x 47 x 13 mm and weighs 128g, while the Samsung R640 Character is slightly larger at 107 x 55 x 15 mm and lighter at 120g.
- The C747 has a 2.2-inch TFT display with a resolution of 176 x 220 pixels, offering a pixel density of 128 ppi, whereas the R640 has a 2.8-inch TFT display with a higher resolution of 240 x 320 pixels and a pixel density of 240 ppi.
- In terms of performance, both devices have 0GB of RAM and lack advanced processing capabilities.
- The C747's camera is superior with a 2 MP rear camera compared to the R640's 1.3 MP, but both lack front-facing cameras.
- The C747 is equipped with a 1500 mAh battery, while the R640 has a smaller 1000 mAh battery.
- Both devices run basic software without advanced features, but the R640 includes a headphone jack, which the C747 does not.
Side-by-side Specification Comparison
Celkon C747
Samsung R640 Character
General
Release Date
2010
2011
Announced
2010
2011
Description
N/A
Also known as Samsung SCH-R640, Samsung Messager Touch II
Display
Size
2.2"
2.8"
Type
TFT
TFT, 256K colors
Resolution
176 x 220 pixels (~128 ppi density)
240 x 320 pixels, 4:3 ratio
PPI
176
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
N/A
Expandable Storage
✗
✗
Card Slot
microSDHC (dedicated slot)
microSDHC (dedicated slot)
Camera
Main Camera
2 MP
1.3 MP
Main Camera Features
N/A
N/A
Front Camera
N/A
N/A
Front Camera Features
N/A
N/A
Video Recording
Yes
N/A
Selfie Video
N/A
N/A
Optical Stabilization
✗
✗
Night Mode
✗
✗
Raw Photo Support
✗
✗
Battery
Capacity
1500 mAh
1000 mAh
Battery Details
Removable Li-Ion 1500 mAh battery
Removable Li-Ion 1000 mAh battery
Charging Details
N/A
N/A
Fast Charging
✗
✗
Wireless Charging
✗
✗
Build & Safety
Dimensions
112 x 47 x 13 mm (4.41 x 1.85 x 0.51 in)
107 x 55 x 15 mm (4.21 x 2.17 x 0.59 in)
Weight
128 g
120 g
Materials
N/A
N/A
Colors
Black/Gray
Electric Blue
Foldable
✗
✗
SAR
N/A
0.50 W/kg (head) 0.97 W/kg (body)
Connectivity
SIM
Dual SIM (Mini-SIM)
Mini-SIM
Network
GSM
CDMA / CDMA2000
Network Speed
N/A
Yes, 384 kbps
5G
✗
✗
4G
✗
✗
WiFi
No
No
Bluetooth
2.0
2.1, A2DP, EDR
NFC
✗
✗
USB
microUSB
microUSB 2.0
IR Blaster
✗
✗
Headphone Jack
✗
✓
Radio
✗
✗
Positioning
No
No
Audio
Stereo Speakers
✗
✗
Loudspeaker
Yes
Yes
Audio Jack
N/A
Yes
Software & Security
Operating System
N/A
N/A
Fingerprint
✗
✗
Face Unlock
✗
✗
Sensors
Accelerometer
N/A

