Realme C51s
#1888
Samsung Galaxy M21 2021
#1444Category Breakdown
Realme C51s
Samsung Galaxy M21 2021
Performance
77.976.5
Camera
28.464.4
Display
76.676.2
Battery
33.737.7
Build
65.885.2
Connectivity
63.262.8
Audio
8.98.9
Overall
53.858.4
Summary
- The Realme C51s features a larger 6.74-inch IPS LCD display with a 90Hz refresh rate, while the Samsung Galaxy M21 2021 has a 6.4-inch Super AMOLED display with a higher resolution of 1080 x 2340 pixels.
- In terms of performance, the C51s is powered by the Unisoc Tiger T612 chipset, whereas the M21 utilizes the Exynos 9611, with both offering similar RAM options.
- The camera setup on the C51s includes a 50 MP main sensor, while the M21 offers a 48 MP main sensor along with additional lenses for versatility, and it supports 4K video recording compared to the C51s' 1080p.
- The M21 has a larger 6000 mAh battery compared to the C51s' 5000 mAh, but the latter supports faster charging at 33W.
- Both devices run different versions of Android, with the C51s operating on Android 13 with Realme UI and the M21 on Android 11 with One UI 3.1 Core, indicating a more updated software experience for the C51s.
Side-by-side Specification Comparison
Realme C51s
Samsung Galaxy M21 2021
General
Release Date
2024, March 15
2021, July 21
Announced
2024, March 15
2021, July 21
Description
N/A
Also known as Samsung Galaxy M21 2021 Edition
Display
Size
6.74"
6.4"
Type
IPS LCD, 90Hz, 560 nits (peak)
Super AMOLED, 420 nits (peak)
Resolution
720 x 1600 pixels, 20:9 ratio (~260 ppi density)
1080 x 2340 pixels, 19.5:9 ratio (~403 ppi density)
PPI
720
1080
Refresh Rate
90Hz
60Hz
HDR Support
✗
✗
Protection
N/A
N/A
Performance
Chipset
Unisoc Tiger T612 (12 nm)
Exynos 9611 (10 nm)
CPU
Octa-core (2x1.8 GHz Cortex-A75 & 6x1.8 GHz Cortex-A55)
Octa-core (4x2.3 GHz Cortex-A73 & 4x1.7 GHz Cortex-A53)
GPU
Mali-G57
Mali-G72 MP3
Memory
128GB 6GB RAM
64GB 4GB RAM, 128GB 6GB RAM
Expandable Storage
✗
✗
Card Slot
microSDXC (dedicated slot)
microSDXC (dedicated slot)
Camera
Main Camera
50 MP, f/1.8, 27mm (wide), 1/2.76", 0.64µm, PDAF0.08 MP, f/3.0 ,(auxiliary lens)
48 MP, f/2.0, 26mm (wide), 1/2.0", 0.8µm, PDAF8 MP, f/2.2, 123˚ (ultrawide), 1/4.0", 1.12µm5 MP, f/2.2, (depth)
Main Camera Features
LED flash, HDR, panorama
LED flash, panorama, HDR
Front Camera
5 MP, f/2.2, 28mm (wide), 1/5.0", 1.12µm
20 MP, f/2.2, 26mm (wide)
Front Camera Features
HDR
HDR
Video Recording
1080p@30fps
4K@30fps, 1080p@30fps, 720p@240fps, gyro-EIS
Selfie Video
720p@30fps
1080p@30fps
Optical Stabilization
✗
✗
Night Mode
✗
✗
Raw Photo Support
✗
✗
Battery
Capacity
5000 mAh
6000 mAh
Battery Details
5000 mAh
Li-Po 6000 mAh
Charging Details
33W wired, 0-50% in 28 min
15W wired
Fast Charging
✗
✗
Wireless Charging
✗
✗
Build & Safety
Dimensions
167.2 x 76.7 x 7.5 mm (6.58 x 3.02 x 0.30 in)
159 x 75.1 x 9 mm (6.26 x 2.96 x 0.35 in)
Weight
182 g
192 g
Materials
Glass front, plastic frame, plastic back
Glass front, plastic back, plastic frame
Colors
Shiny Green, Mighty Black
Charcoal Black, Arctic Blue
Foldable
✗
✗
SAR
N/A
0.47 W/kg (head)
Connectivity
SIM
Nano-SIM + Nano-SIM
Nano-SIM + Nano-SIM
Network
GSM / HSPA / LTE
GSM / HSPA / LTE
Network Speed
HSPA, LTE
HSPA, LTE
5G
✗
✗
4G
✓
✓
WiFi
Wi-Fi 802.11 a/b/g/n/ac, dual-band
Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct
Bluetooth
5.0, A2DP, LE
5.0, A2DP, LE
NFC
✓
✓
USB
USB Type-C
USB Type-C 2.0
IR Blaster
✗
✗
Headphone Jack
✓
✓
Radio
✗
✗
Positioning
GPS, GLONASS, GALILEO
GPS, GLONASS, GALILEO, BDS
Audio
Stereo Speakers
✗
✗
Loudspeaker
Yes
Yes
Audio Jack
Yes
Yes
Software & Security
Operating System
Android 13, Realme UI
Android 11, One UI 3.1 Core
Fingerprint
✓
✓
Face Unlock
✗
✗
Sensors
Fingerprint (side-mounted), accelerometer, gyro, proximity, compass
Fingerprint (rear-mounted), accelerometer, gyro, proximity, compass