Samsung Galaxy A51 vs Samsung Galaxy M31

 
Samsung Galaxy A51 Samsung Galaxy M31
TK27,499/- TK19,999/-
Price In Bangladesh
Box Price
Box Price TK 27,499/- TK 19,999/-
USD Price
USD Price $ 265/- $ 209/-
Brand
Brand Samsung Mobiles Samsung Mobiles
Model No
Model No Galaxy A51 SM-M315
Launch
Launch Date
Launch Date 2019, December 29 2020, April 25
Website
Website Samsung Galaxy A51 Official Website Samsung Galaxy M31 Official Website
Wikipedia
Wikipedia Samsung Galaxy M31 Wikipedia Samsung Galaxy M31 Wikipedia
Network
Technology
Technology GSM / HSPA / LTE GSM / HSPA / LTE
2G bands
2G bands GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 (dual-SIM model only) GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2
3G bands
3G bands HSDPA 850 / 900 / 1900 / 2100 HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100 HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100
4G bands
4G bands 1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 20, 26, 28, 38, 40, 41, 66 1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 20, 26, 28, 38, 40, 41, 66
Speed
Speed HSPA 42.2/5.76 Mbps, LTE-A HSPA 42.2/5.76 Mbps, LTE-A
Body
Dimensions
Dimensions 158.5 x 73.6 x 7.9 mm (6.24 x 2.90 x 0.31 in) 159.2 x 75.1 x 8.9 mm (6.27 x 2.96 x 0.35 in)
Weight
Weight 172 g (6.07 oz) 191 g (6.74 oz)
Build
Build Glass front (Gorilla Glass 3), plastic back, plastic frame Glass front (Gorilla Glass 3), plastic back, plastic frame
SIM
SIM Single SIM (Nano-SIM) or Dual SIM (Nano-SIM, dual stand-by) Dual SIM (Nano-SIM, dual stand-by)
Colors
Colors Prism Crush Black, Prism Crush White, Prism Crush Blue, Prism Crush Pink Ocean Blue, Space Black, Red
Display
Type
Type Super AMOLED capacitive touchscreen, 16M colors Super AMOLED capacitive touchscreen, 16M colors
Size
Size 6.5 inches, 102.0 cm2 (~87.4% screen-to-body ratio) 6.4 inches, 100.5 cm2 (~84.1% screen-to-body ratio)
Resolution
Resolution 1080 x 2400 pixels, 20:9 ratio (~405 ppi density) 1080 x 2340 pixels, 19.5:9 ratio (~403 ppi density)
Platform
OS
OS Android 10, One UI 2.1 Android 10, One UI 2.0
Chipset
Chipset Exynos 9611 (10nm) Exynos 9611 (10nm)
CPU
CPU Octa-core (4x2.3 GHz Cortex-A73 & 4x1.7 GHz Cortex-A53) Octa-core (4x2.3 GHz Cortex-A73 & 4x1.7 GHz Cortex-A53)
GPU
GPU Mali-G72 MP3 Mali-G72 MP3
Memory
RAM
RAM 6GB/8GB 6GB/8GB
Storage
Storage 64GB/128GB UFS 2.0 64GB/128GB UFS 2.1
Card Slot
Card Slot microSDXC (dedicated slot) microSDXC (dedicated slot)
Main Camera
Quad
Quad 48 MP, f/2.0, 26mm (wide), 1/2.0", 0.8µm, PDAF 64 MP, f/1.8, 26mm (wide), 1/1.72", 0.8µm, PDAF
12 MP, f/2.2, 123˚ (ultrawide) 8 MP, f/2.2, 12mm (ultrawide), 1/4.0", 1.12µm
5 MP, f/2.4, (macro) 5 MP, f/2.4, (macro)
5 MP, f/2.2, (depth) 5 MP, f/2.2, (depth)
Features
Features LED flash, panorama, HDR LED flash, panorama, HDR
Video
Video 4K@30fps, 1080p@30/120fps; gyro-EIS 4K@30fps, 1080p@30fps, gyro-EIS
Selfie Camera
Single
Single 32 MP, f/2.2, 26mm (wide), 1/2.8", 0.8µm 32 MP, f/2.0, 26mm (wide), 1/2.8", 0.8µm
Features
Features HDR HDR
Video
Video 1080p@30fps 4K@30fps, 1080p@30fps
Battery
Capacity
Capacity (Li-Po Non removable), 4000 mAh Non-removable Li-Po 6000 mAh battery
Charging
Charging Fast charging 15W Fast charging 15W
Smartphone Features
Sensors
Sensors Fingerprint (under display, optical), accelerometer, gyro, proximity, compass ANT+ Fingerprint (rear-mounted), accelerometer, gyro, proximity, compass
Sound
Loudspeaker
Loudspeaker Yes Yes
3.5mm jack
3.5mm jack Yes Yes
Connectivity
WLAN
WLAN Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct, hotspot Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct, hotspot
Bluetooth
Bluetooth 5.0, A2DP, LE 5.0, A2DP, LE
GPS
GPS Yes, with A-GPS, GLONASS, GALILEO, BDS Yes, with A-GPS, GLONASS, GALILEO, BDS
NFC
NFC Yes Yes (market/region dependent): SM-M315F/DSN
Radio
Radio FM radio FM radio, RDS, recording
USB
USB 2.0, Type-C 1.0 reversible connector, USB On-The-Go 2.0, Type-C 1.0 reversible connector
Performance
Display
Display Performance AnTuTu: 113051 (v7), 175363 (v8) GeekBench: 5401 (v4.4), 1294 (v5.1) GFXBench: 5.6fps (ES 3.1 onscreen) Display Contrast ratio: Infinite (nominal)
Camera
Camera Photo / Video
Loudspeaker
Loudspeaker -28.6 LUFS (Average)
Audio quality
Audio quality Noise -93.1dB / Crosstalk -87.3dB
Battery life
Battery life Endurance rating 86h