Category Breakdown
Celkon A9+
Micromax Bolt A51
Performance
65.565.5
Camera
41.941.9
Display
57.057.0
Battery
43.543.5
Build
70.870.8
Overall
55.155.1
Summary
- The Celkon A9+ and Micromax Bolt A51 both feature a 3.5-inch TFT display with a resolution of 320 x 480 pixels, offering similar visual experiences.
- In terms of performance, the Celkon A9+ is powered by a 1.0 GHz CPU, while the Bolt A51 has a slightly lower 832 MHz CPU, which may affect overall responsiveness.
- Both devices have 512MB of RAM and a 2 MP rear camera, but neither offers optical image stabilization or a front-facing camera.
- The Bolt A51 has a larger 1500mAh battery compared to the 1350mAh battery of the A9+, potentially providing longer usage time.
- On the software front, the A9+ runs on Android 4.0 (Ice Cream Sandwich), while the Bolt A51 operates on the older Android 2.3.7 (Gingerbread), which may limit software capabilities and app compatibility.
Side-by-side Specification Comparison
Celkon A9+
Micromax Bolt A51
General
Release Date
2013
2013
Announced
2013
2013
Description
N/A
N/A
Display
Size
3.5"
3.5"
Type
TFT
TFT
Resolution
320 x 480 pixels, 3:2 ratio (~165 ppi density)
320 x 480 pixels, 3:2 ratio (~165 ppi density)
PPI
320
320
Refresh Rate
60Hz
60Hz
Peak Brightness
N/A
N/A
HDR Support
✗
✗
Protection
N/A
N/A
Performance
Chipset
Spreadtrum SC6820
N/A
CPU
1.0 GHz
832 MHz
GPU
N/A
N/A
Memory
512MB 256MB RAM
512MB 256MB RAM
Expandable Storage
✗
✗
Card Slot
microSDHC (dedicated slot)
microSDHC (dedicated slot)
Camera
Main Camera
2 MP
2 MP
Main Camera Details
2 MP
2 MP
Front Camera
N/A
N/A
Front Camera Details
Yes
VGA
Video Recording
Yes
Yes
Selfie Video
N/A
N/A
OIS
✗
✗
Night Mode
✗
✗
RAW Support
✗
✗
Battery
Capacity
1350 mAh
1500 mAh
Battery Details
Li-Ion 1350 mAh battery
Li-Ion 1500 mAh, removable
Charging Details
N/A
N/A
Fast Charging
✗
✗
Wireless Charging
✗
✗
Build & Design
Dimensions
119.5 x 63 x 10.8 mm (4.70 x 2.48 x 0.43 in)
118.5 x 62.5 x 12.8 mm (4.67 x 2.46 x 0.50 in)
Weight
N/A
118 g
Materials
N/A
N/A
Water Resistance
N/A
N/A
Colors
Black, White
Black/Silver
Foldable
✗
✗
Connectivity
SIM
Dual SIM (Mini-SIM)
Dual SIM
Network
GSM
GSM / HSPA
Network Speed
N/A
HSPA
5G
✗
✗
4G
✗
✗
WiFi
Wi-Fi 802.11 b/g/n
Wi-Fi 802.11 b/g/n, hotspot
Bluetooth
Yes
3.0
NFC
✗
✗
USB
microUSB 2.0
microUSB
IR Blaster
✗
✗
Headphone Jack
✓
✓
Radio
✗
✗
Positioning
No
No
Software
Operating System
Android 4.0 (Ice Cream Sandwich)
Android 2.3.7 (Gingerbread)
OS Version
Android 4.0 (Ice Cream Sandwich)
Android 2.3.7 (Gingerbread)
Security
Fingerprint
✗
✗
Face Unlock
✗
✗
Sensors
Accelerometer
Accelerometer
Audio
Stereo Speakers
✗
✗
Loudspeaker
Yes
Yes
Audio Jack
Yes
Yes

