Category Breakdown
Samsung Metro 312
Yezz C21
Performance
3.48.6
Camera
9.639.6
Display
19.530.6
Battery
10.33.8
Build
0.20.2
Connectivity
12.77.9
Audio
8.98.9
Overall
7.714.3
Summary
- The Samsung Metro 312 features a slightly larger 2.0-inch TFT display with a resolution of 128 x 160 pixels, while the Yezz C21 has a smaller 1.8-inch TFT screen but offers a higher color depth with 256K colors.
- In terms of performance, the Metro 312 is equipped with a 208 MHz CPU, whereas the Yezz C21 has a more powerful 321 MHz CPU and includes 4GB of RAM, enhancing its multitasking capabilities.
- Both devices have basic cameras, with the Metro 312 offering a 0.3 MP rear camera and the Yezz C21 featuring a VGA camera, but neither excels in photography.
- The Metro 312 has a larger 1000 mAh battery compared to the 600 mAh battery of the Yezz C21, which may provide longer usage time.
- Lastly, the Metro 312 supports a headphone jack, while the Yezz C21 does not, impacting the audio experience.
Side-by-side Specification Comparison
Samsung Metro 312
Yezz C21
General
Release Date
2014
2016
Announced
2014
2016
Description
Also known as Samsung Metro 312 B312E
N/A
Display
Size
2"
1.8"
Type
TFT, 65K colors
TFT, 256K colors
Resolution
128 x 160 pixels (~102 ppi density)
128 x 160 pixels (~114 ppi density)
PPI
128
128
Refresh Rate
60Hz
60Hz
HDR Support
✗
✗
Protection
N/A
N/A
Performance
Chipset
N/A
Spreadtrum SC6531DA
CPU
208 MHz
321 Mhz
GPU
N/A
N/A
Memory
N/A
4MB 4MB RAM
Expandable Storage
✗
✗
Card Slot
microSDHC (dedicated slot)
microSDHC (dedicated slot)
Camera
Main Camera
0.3 MP
VGA
Main Camera Features
N/A
N/A
Front Camera
N/A
N/A
Front Camera Features
N/A
N/A
Video Recording
QCIF@15ps
Yes
Selfie Video
N/A
N/A
Optical Stabilization
✗
✗
Night Mode
✗
✗
Raw Photo Support
✗
✗
Battery
Capacity
1000 mAh
600 mAh
Battery Details
Li-Ion 1000 mAh, removable
Li-Ion 600 mAh, removable
Charging Details
N/A
N/A
Fast Charging
✗
✗
Wireless Charging
✗
✗
Build & Safety
Dimensions
112.7 x 46.4 x 13.1 mm (4.44 x 1.83 x 0.52 in)
113 x 48.5 x 14.6 mm (4.45 x 1.91 x 0.57 in)
Weight
74 g
70 g
Materials
N/A
N/A
Colors
White
Black, White, Red, Blue
Foldable
✗
✗
SAR
N/A
N/A
Connectivity
SIM
Dual SIM, (Mini-SIM, dual stand-by)
Dual SIM (Mini-SIM)
Network
GSM
GSM
Network Speed
N/A
N/A
5G
✗
✗
4G
✗
✗
WiFi
No
No
Bluetooth
3.0, A2DP
2.1
NFC
✗
✗
USB
microUSB 2.0
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
N/A
N/A

