Celkon A9+
#7355
Samsung i640
#8740Category Breakdown
Celkon A9+
Samsung i640
Performance
52.725.9
Camera
39.639.6
Display
16.022.1
Battery
13.610.3
Build
0.214.4
Connectivity
19.310.7
Audio
8.98.9
Overall
19.314.3
Summary
- The Celkon A9+ features a larger 3.5-inch TFT display with a resolution of 320 x 480 pixels, compared to the Samsung i640's smaller 2.4-inch TFT screen at 320 x 240 pixels.
- In terms of performance, the A9+ is powered by a 1.0 GHz CPU and has 512MB of RAM, while the i640 operates on a 416 MHz CPU with 64MB of RAM, indicating superior performance for the A9+.
- Both devices have a 2 MP rear camera, but neither offers advanced features like OIS or a selfie camera.
- The A9+ has a slightly larger 1350 mAh battery compared to the i640's 1000 mAh.
- Software-wise, the A9+ runs on Android 4.0, while the i640 uses Microsoft Windows Mobile 6.0, reflecting different user experiences and app ecosystems.
- The build quality of the A9+ is lighter and slimmer, while the i640 is heavier and thicker.
Side-by-side Specification Comparison
Celkon A9+
Samsung i640
General
Release Date
2013
2008
Announced
2013
2008
Description
N/A
N/A
Display
Size
3.5"
2.4"
Type
TFT
TFT, 65K colors
Resolution
320 x 480 pixels, 3:2 ratio (~165 ppi density)
320 x 240 pixels, 4:3 ratio (~167 ppi density)
PPI
320
320
Refresh Rate
60Hz
60Hz
HDR Support
✗
✗
Protection
N/A
N/A
Performance
Chipset
Spreadtrum SC6820
N/A
CPU
1.0 GHz
32-bit Intel XScale PXA270 416 MHz
GPU
N/A
N/A
Memory
512MB 256MB RAM
64MB RAM, 128MB ROM
Expandable Storage
✗
✗
Card Slot
microSDHC (dedicated slot)
microSD (dedicated slot)
Camera
Main Camera
2 MP
2 MP
Main Camera Features
N/A
N/A
Front Camera
Yes
VGA videocall camera
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
1350 mAh
1000 mAh
Battery Details
Li-Ion 1350 mAh battery
Removable Li-Ion 1000 mAh battery
Charging Details
N/A
N/A
Fast Charging
✗
✗
Wireless Charging
✗
✗
Build & Safety
Dimensions
119.5 x 63 x 10.8 mm (4.70 x 2.48 x 0.43 in)
94.4 x 61 x 16.9 mm (3.72 x 2.40 x 0.67 in)
Weight
N/A
148 g
Materials
N/A
N/A
Colors
Black, White
Silver
Foldable
✗
✗
SAR
N/A
1.18 W/kg (head) 1.12 W/kg (body)
Connectivity
SIM
Dual SIM (Mini-SIM)
Mini-SIM
Network
GSM
GSM / HSPA
Network Speed
N/A
HSPA 3.6/0.384 Mbps
5G
✗
✗
4G
✗
✗
WiFi
Wi-Fi 802.11 b/g/n
No
Bluetooth
Yes
2.0
NFC
✗
✗
USB
microUSB 2.0
1.1
IR Blaster
✗
✗
Headphone Jack
✓
✗
Radio
✗
✗
Positioning
No
No
Audio
Stereo Speakers
✗
✗
Loudspeaker
Yes
Yes
Audio Jack
Yes
No
Software & Security
Operating System
Android 4.0 (Ice Cream Sandwich)
Microsoft Windows Mobile 6.0 Standard
Fingerprint
✗
✗
Face Unlock
✗
✗
Sensors
Accelerometer
N/A