Apple Iphone 15
Apple Iphone 15 Pro Max
Samsung Galaxy S23 Ultra

Samsung Galaxy M31 vs Huawei Nova 2i vs Samsung Galaxy A51

BASIC INFO
Model No Galaxy M31 (Versions: SM-M315F/DS, SM-M315F/DSN) Nova 2i Galaxy A51 (Versions: SM-A515F/DS, SM-A515FN/DS (Global); SM-A515GN/DS, SM-A515FM/DS, SM-A515YN, SM-A515W (Canada)
Status Available Available Available
Release Date 2020, March 5 Released 2017, December 2019, December 26
Dimension 159.2 x 75.1 x 8.9 mm (6.27 x 2.96 x 0.35 in) 156.2 x 75.2 x 7.5 mm 158.4 x 73.7 x 7.9 mm (6.24 x 2.90 x 0.31 in)
Weight 191 g 164 grams 172 g
Colors Ocean Blue, Space Black, Red Various Green Crush Multicolour, White Sparkling Crush, Black Crush Diamond
Body Metrial Glass front (Gorilla Glass 3), plastic back, plastic frame - Glass front (Gorilla Glass 3), plastic back, plastic frame
W & D Proof - - -
SIM Type Dual SIM (Nano-SIM, dual stand-by) Dual SIM (Nano-SIM) Single SIM (Nano-SIM) or Dual SIM (Nano-SIM, dual stand-by)
Technology GSM / HSPA / LTE GSM / HSPA / LTE GSM / HSPA / LTE
OS Android 10.0; One UI 2.0 Android 7.0 (Nougat) Android 10.0; One UI 2
PROSESSING
Processor Octa-core (4x2.3 GHz Cortex-A73 & 4x1.7 GHz Cortex-A53) Octa-core Octa-core (4x2.3 GHz Cortex-A73 & 4x1.7 GHz Cortex-A53)
Chipset Exynos 9611 (10nm) HiSilicon Kirin 659 Exynos 9611 (10nm)
GPU Mali-G72 MP3 Mali-T830 MP2 Mali-G72 MP3
MEMORY
RAM 6 GB 4GB 4GB / 6GB / 8GB
Storage 64GB / 128GB 64GB 64GB / 128GB / 256GB
Card Slot microSDXC (dedicated slot) microSD, up to 256 GB (uses SIM 2 slot) microSD, up to 1 TB (dedicated slot)
DISPLAY
Size 6.4 inches 5.5 inches 6.5 inches, 102.0 cm2
Type Super AMOLED capacitive touchscreen, 16M colors IPS LCD capacitive touchscreen, 16M colors Super AMOLED capacitive touchscreen, 16M colors
Resolation 1080 x 2340 pixels, 19.5:9 ratio 1080 x 2160 pixels 1080 x 2400 pixels, 20:9 ratio
PPI 411 ppi density 443 ppi pixel density (~405 ppi density)
Multi touch Yes Yes Yes
Protection - - Corning Gorilla Glass 3
CAMERA
Primary Quad: 64 MP + 8 MP + 5 MP + 5 MP Dual 16 MP, phase detection autofocus Quad 48 MP, f/2.0 (wide), + 12 MP, f/2.2 (ultrawide) + 5 MP (macro) + 5 MP (depth)
Video 2160p@30fps, 1080p@30/60fps; gyro-EIS 2160p@30fps 2160p@30fps, 1080p@30fps
Flash LED LED Flash LED
Features HDR, panorama Geo-tagging, touch focus, face detection, HDR, panorama HDR, panorama
Selfie 32 MP 20 MP 32 MP, f/2.2, 26mm (wide)
BATTERY
Battery Li-Po Li Po battery Li-Po
Capacity 6000 mAh 3340 mAh 4000 mAh
Removable Non-removable Non-removable Non-removable
StandBy - - -
Talk Time - - Up to 32 h (3G)
Music Play - - Up to 87 h
Browsing - - -
Video Playback - - -
F Charging Fast battery charging 15W Yes Fast battery charging 15W
W Charging - - -
NETWORK
2G Network GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 GSM 850 / 900 / 1800 / 1900 GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 (dual-SIM model only)
3G Network HSDPA 850 / 900 / 1900 / 2100 HSDPA 850 / 900 / 1900 / 2100 HSDPA 850 / 900 / 1900 / 2100 / HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100
4G Network LTE band 1(2100), 3(1800), 5(850), 7(2600), 8(900), 20(800), 38(2600), 40(2300), 41(2500) Yes, LTE band 2100 / 1900 / 2300 LTE band 1(2100), 2(1900), 3(1800), 4(1700/2100), 5(850), 7(2600), 8(900), 12(700), 13(700), 17(700), 20(800), 26(850), 28(700), 38(2600), 40(2300), 41(2500), 66(1700/2100)
Speed HSPA, LTE-A HSPA, LTE HSPA, LTE-A
5G - - -
CONECTIVY
WALAN Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct, hotspot Wi-Fi 802.11 a/b/g/n, WiFi Direct, hotspot Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct, hotspot
BlueTooth 5.0, A2DP, LE 4.2, A2DP, LE 5.0, A2DP, LE
USB 2.0, Type-C 1.0 reversible connector 2.0, Type-C 1.0 reversible connector 2.0, Type-C 1.0 reversible connector, USB On-The-Go
GPS Yes, with A-GPS, GLONASS, GALILEO, BDS Yes, with A-GPS, GLONASS Yes, with A-GPS, GLONASS, GALILEO, BDS
NFC - Yes Yes (market dependent)
Audio jeck 3.5mm Jack 3.5mm JacK 3.5mm Jack Active noise cancellation with dedicated mic
OTHERS
Sensors Fingerprint (rear-mounted), accelerometer, gyro, proximity, compass Fingerprint (rear-mounted), accelerometer, gyro, proximity, compass ANT+ Fingerprint (under display, optical), accelerometer, gyro, proximity, compass
Radio FM radio, RDS, recording FM radio Yes
SARUS 0.52 W/kg (head) 0.69 W/kg (body) - -
SAREU 0.48 W/kg (head) 1.13 W/kg (body) - -
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