Samsung Galaxy M31s
#2000
Samsung Galaxy M51
#1499Category Breakdown
Samsung Galaxy M31s
Samsung Galaxy M51
Performance
81.882.6
Camera
62.747.4
Display
82.884.9
Battery
37.738.5
Build
14.486.6
Connectivity
62.766.8
Audio
8.98.9
Overall
52.757.7
Summary
- The Samsung Galaxy M31s features a 6.5-inch Super AMOLED display with a resolution of 1080 x 2400 pixels, while the Galaxy M51 has a slightly larger 6.7-inch Super AMOLED Plus display with the same resolution but a lower pixel density.
- In terms of performance, the M31s is powered by the Exynos 9611 chipset, whereas the M51 utilizes the more efficient Snapdragon 730G.
- Both devices have a quad-camera setup with a 64 MP main sensor and 32 MP front camera, delivering similar photographic capabilities.
- The M31s has a 6000 mAh battery, while the M51 offers a larger 7000 mAh battery, both supporting 25W charging.
- Both phones run on Android 10, upgradable to Android 12, with One UI 4.1, providing a comparable software experience.
- The M51 is slightly heavier and features a glass front, while the M31s has a plastic build.
Side-by-side Specification Comparison
Samsung Galaxy M31s
Samsung Galaxy M51
General
Release Date
2020, July 30
2020, August 31
Announced
2020, July 30
2020, August 31
Description
N/A
N/A
Display
Size
6.5"
6.7"
Type
Super AMOLED
Super AMOLED Plus
Resolution
1080 x 2400 pixels, 20:9 ratio (~405 ppi density)
1080 x 2400 pixels, 20:9 ratio (~393 ppi density)
PPI
1080
1080
Refresh Rate
60Hz
60Hz
HDR Support
✗
✗
Protection
Corning Gorilla Glass 3
Corning Gorilla Glass 3+
Performance
Chipset
Exynos 9611 (10 nm)
Qualcomm SDM730 Snapdragon 730G (8 nm)
CPU
Octa-core (4x2.3 GHz Cortex-A73 & 4x1.7 GHz Cortex-A53)
Octa-core (2x2.2 GHz Kryo 470 Gold & 6x1.8 GHz Kryo 470 Silver)
GPU
Mali-G72 MP3
Adreno 618
Memory
128GB 6GB RAM, 128GB 8GB RAM
128GB 6GB RAM, 128GB 8GB RAM
Expandable Storage
✗
✗
Card Slot
microSDXC (dedicated slot)
microSDXC (dedicated slot)
Camera
Main Camera
64 MP, f/1.8, 26mm (wide), 1/1.73", 0.8µm, PDAF12 MP, f/2.2, 123˚ (ultrawide)5 MP, f/2.4, (macro)5 MP, f/2.4, (depth)
64 MP, f/1.8, 26mm (wide), 1/1.73", 0.8µm, PDAF12 MP, f/2.2, 123˚ (ultrawide)5 MP, f/2.4, (macro)5 MP, f/2.4, (depth)
Main Camera Features
LED flash, panorama, HDR
LED flash, panorama, HDR
Front Camera
32 MP, f/2.2, 26mm (wide), 1/2.8", 0.8µm
32 MP, f/2.0, 26mm (wide), 1/2.8", 0.8µm
Front Camera Features
HDR
HDR
Video Recording
4K@30fps, 1080p@30fps, gyro-EIS
4K@30fps, 1080p@30fps
Selfie Video
4K@30fps, 1080p@30fps
4K@30fps, 1080p@30fps
Optical Stabilization
✗
✗
Night Mode
✗
✗
Raw Photo Support
✗
✗
Battery
Capacity
6000 mAh
7000 mAh
Battery Details
Li-Po 6000 mAh
Li-Po 7000 mAh
Charging Details
25W wired4.5W reverse wired
25W wired, 100% in 115 minReverse wired
Fast Charging
✗
✗
Wireless Charging
✗
✗
Build & Safety
Dimensions
159.3 x 74.4 x 9.3 mm (6.27 x 2.93 x 0.37 in)
163.9 x 76.3 x 9.5 mm (6.45 x 3.00 x 0.37 in)
Weight
203 g
213 g
Materials
N/A
Glass front (Gorilla Glass 3+), plastic back, plastic frame
Colors
Mirage Black, Mirage Blue
Celestial Black, Electric Blue, White
Foldable
✗
✗
SAR
1.38 W/kg (head)
1.38 W/kg (head)
Connectivity
SIM
Nano-SIMNano-SIM + Nano-SIM
Nano-SIM + Nano-SIM
Network
GSM / HSPA / LTE
GSM / HSPA / LTE
Network Speed
HSPA, LTE
HSPA 42.2/5.76 Mbps, LTE (2CA) Cat6 400/50 Mbps
5G
✗
✗
4G
✓
✓
WiFi
Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct
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 2.0, OTG
USB Type-C 2.0, OTG
IR Blaster
✗
✗
Headphone Jack
✓
✓
Radio
✗
✗
Positioning
GPS, GLONASS, GALILEO, BDS
GPS, GLONASS, GALILEO, BDS
Audio
Stereo Speakers
✗
✗
Loudspeaker
Yes
Yes
Audio Jack
Yes
Yes
Software & Security
Operating System
Android 10, upgradable to Android 12, One UI 4.1
Android 10, upgradable to Android 12, One UI 4.1
Fingerprint
✓
✓
Face Unlock
✗
✗
Sensors
Fingerprint (side-mounted), accelerometer, gyro, compass
Fingerprint (side-mounted), accelerometer, gyro, proximity, compass