Karbonn KT21 Express
#10084
Samsung U700
#10095Category Breakdown
Karbonn KT21 Express
Samsung U700
Performance
5.320.6
Camera
39.68.7
Display
15.232.3
Battery
10.34.4
Build
0.214.3
Connectivity
9.114.1
Audio
8.98.9
Overall
10.710.6
Summary
- The Karbonn KT21 Express features a 2.8-inch TFT display with a resolution of 240 x 320 pixels, while the Samsung U700 has a slightly smaller 2.2-inch TFT display with the same resolution but a lower pixel density.
- In terms of performance, the Karbonn has no RAM, whereas the Samsung offers 20GB of RAM, significantly enhancing its multitasking capabilities.
- Both devices have a 3.15 MP rear camera, but the Samsung includes autofocus, improving image quality.
- The KT21 Express has a larger battery capacity of 1000 mAh compared to the U700's 690 mAh, which may result in longer usage time.
- The Karbonn supports a headphone jack, while the Samsung does not.
- Overall, the Samsung U700 provides a more robust software experience due to its RAM and camera features.
Side-by-side Specification Comparison
Karbonn KT21 Express
Samsung U700
General
Release Date
2012
2007
Announced
2012
2007
Description
N/A
Ultra Edition II - Ultra Edition 12.1
Display
Size
2.8"
2.2"
Type
TFT
TFT, 256K colors
Resolution
240 x 320 pixels, 4:3 ratio
240 x 320 pixels, 4:3 ratio (~182 ppi density)
PPI
240
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
20/40MB (depending on region)
Expandable Storage
✗
✗
Card Slot
microSDHC (dedicated slot)
microSD (dedicated slot)
Camera
Main Camera
3.15 MP
3.15 MP, AF
Main Camera Features
LED flash
LED flash
Front Camera
N/A
VGA videocall camera
Front Camera Features
N/A
N/A
Video Recording
Yes
QCIF
Selfie Video
N/A
N/A
Optical Stabilization
✗
✗
Night Mode
✗
✗
Raw Photo Support
✗
✗
Battery
Capacity
1000 mAh
690 mAh
Battery Details
Li-Ion 1000 mAh, removable
Removable Li-Ion 690 mAh battery
Charging Details
N/A
N/A
Fast Charging
✗
✗
Wireless Charging
✗
✗
Build & Safety
Dimensions
N/A
102.5 x 50 x 12.1 mm (4.04 x 1.97 x 0.48 in)
Weight
N/A
86 g
Materials
N/A
N/A
Colors
Black
Blue/Violet, Silver/White, Gold/Chocolate
Foldable
✗
✗
SAR
N/A
1.41 W/kg (head) 1.19 W/kg (body)
Connectivity
SIM
Dual SIM (Mini-SIM)
Mini-SIM
Network
No cellular connectivity
GSM / HSPA
Network Speed
N/A
HSPA 3.6/0.384 Mbps
5G
✗
✗
4G
✗
✗
WiFi
No
No
Bluetooth
2.0
2.0, A2DP
NFC
✗
✗
USB
microUSB
2.0
IR Blaster
✗
✗
Headphone Jack
✓
✗
Radio
✗
✗
Positioning
No
No
Audio
Stereo Speakers
✗
✗
Loudspeaker
Yes
Yes
Audio Jack
Yes
No
Software & Security
Operating System
N/A
N/A
Fingerprint
✗
✗
Face Unlock
✗
✗
Sensors
Proximity
N/A