Karbonn A21
#7445
Samsung Galaxy Ace 4 LTE G313
#8095Category Breakdown
Karbonn A21
Samsung Galaxy Ace 4 LTE G313
Performance
27.928.0
Camera
39.615.4
Display
34.116.9
Battery
17.417.4
Build
0.214.8
Connectivity
25.051.2
Audio
8.98.9
Overall
18.816.3
Summary
- The Karbonn A21 features a 4.5-inch TFT display with a resolution of 480 x 800 pixels, while the Samsung Galaxy Ace 4 LTE G313 has a slightly smaller 4.0-inch TFT display with the same resolution, resulting in a higher pixel density.
- Both devices are powered by a dual-core 1.2 GHz CPU and have 4GB of internal storage, but the Ace 4 has 1GB of RAM compared to the A21's 512MB, potentially offering better multitasking performance.
- Both phones have a 5 MP rear camera, but the Galaxy Ace 4 supports 720p video recording, whereas the A21 does not specify video capabilities.
- They share a similar battery capacity of 1800 mAh, with no fast charging or wireless charging options.
- In terms of software, the A21 runs on Android 4.0, while the Ace 4 operates on a more recent Android 4.4.2, which may provide a better software experience.
- The Ace 4 also includes NFC and Bluetooth 4.0, enhancing its connectivity options compared to the A21's Bluetooth 2.1.
Side-by-side Specification Comparison
Karbonn A21
Samsung Galaxy Ace 4 LTE G313
General
Release Date
2012
2014
Announced
2012
2014
Description
N/A
Also known as Samsung Galaxy Ace 4 LTE G313F
Display
Size
4.5"
4"
Type
TFT, 256K colors
TFT
Resolution
480 x 800 pixels, 5:3 ratio (~207 ppi density)
480 x 800 pixels, 5:3 ratio (~233 ppi density)
PPI
480
480
Refresh Rate
60Hz
60Hz
HDR Support
✗
✗
Protection
N/A
N/A
Performance
Chipset
N/A
N/A
CPU
Dual-core 1.2 GHz
Dual-core 1.2 GHz
GPU
N/A
N/A
Memory
4GB 512MB RAM
4GB 1GB RAM
Expandable Storage
✗
✗
Card Slot
microSDHC (dedicated slot)
microSDXC (dedicated slot)
Camera
Main Camera
5 MP, AF
5 MP, AF
Main Camera Features
LED flash
LED flash, panorama
Front Camera
1.3 MP
VGA
Front Camera Features
N/A
N/A
Video Recording
Yes
720p@30fps
Selfie Video
N/A
N/A
Optical Stabilization
✗
✗
Night Mode
✗
✗
Raw Photo Support
✗
✗
Battery
Capacity
1800 mAh
1800 mAh
Battery Details
Li-Ion 1800 mAh, removable
Li-Ion 1800 mAh, removable
Charging Details
N/A
N/A
Fast Charging
✗
✗
Wireless Charging
✗
✗
Build & Safety
Dimensions
N/A
121.4 x 62.9 x 11 mm (4.78 x 2.48 x 0.43 in)
Weight
N/A
130.3 g
Materials
N/A
N/A
Colors
Pearl White
Iris Charcoal, Classic White
Foldable
✗
✗
SAR
N/A
1.16 W/kg (head) 1.22 W/kg (body)
Connectivity
SIM
Dual SIM (Mini-SIM)
Micro-SIM
Network
GSM / HSPA
GSM / HSPA / LTE
Network Speed
HSPA 7.2/0.384 Mbps
HSPA 42.2/5.76 Mbps, LTE Cat4 150/50 Mbps
5G
✗
✗
4G
✗
✓
WiFi
Wi-Fi 802.11 b/g/n
Wi-Fi 802.11 b/g/n, Wi-Fi Direct, hotspot
Bluetooth
2.1, A2DP
4.0, A2DP
NFC
✗
✓
USB
microUSB 2.0
microUSB 2.0
IR Blaster
✗
✗
Headphone Jack
✓
✓
Radio
✗
✗
Positioning
GPS
GPS, GLONASS
Audio
Stereo Speakers
✗
✗
Loudspeaker
Yes
Yes
Audio Jack
Yes
Yes
Software & Security
Operating System
Android 4.0 (Ice Cream Sandwich)
Android 4.4.2 (KitKat)
Fingerprint
✗
✗
Face Unlock
✗
✗
Sensors
Accelerometer, proximity
Accelerometer