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Compare the full technical specifications off the: Samsung Galaxy A51 VS Samsung Galaxy A31

Samsung Galaxy A51
Samsung Galaxy A51
VS Samsung Galaxy A31
Samsung Galaxy A31
December 16, 2019 Released: April 27, 2020
Android 10, upgradable to Android 12, One UI 4.1 Operating System: Android 10, One UI 2.5
Prism Crush Black, Prism Crush White, Prism Crush Blue, Prism Crush Pink Colors: Prism Crush Black, Prism Crush Blue, Prism Crush Red, Prism Crush White
SM-A515F, SM-A515F/DSN, SM-A515F/DS, SM-A515F/DST, SM-A515F/DSM, SM-A515F/N, SM-A515U, SM-A515U1, SM-A515W, SM-A515X, SM-S515DL Models: SM-A315F, SM-A315F/DS, SM-A315G/DS, SM-A315G, SM-A315N
4G, 3G, 2G Network Speed: 4G, 3G, 2G
Display
6.5 inches, 102.0 cm2 (87.4% screen-to-body ratio) Size: 6.4 inches, 98.9 cm2 (84.9% screen-to-body ratio)
1080 x 2400 pixels, 20:9 ratio (405 ppi density) Resolution: 1080 x 2400 pixels, 20:9 ratio (411 ppi density)
Super AMOLED Type: Super AMOLED
Corning Gorilla Glass 3 Protection:
Body
158.5 mm (6.24 in) Height: 159.3 mm (6.27 in)
73.6 mm (2.90 in) Width: 73.1 mm (2.88 in)
7.9 mm (0.31 in) Thickness: 8.6 mm (0.34 in)
172 g Weight: 185 g
No Water Resistant: No
Glass front (Gorilla Glass 3), plastic back, plastic frame Material:
Single SIM (Nano-SIM) or Dual SIM (Nano-SIM, dual stand-by) SIM: Single SIM (Nano-SIM) or Dual SIM (Nano-SIM, dual stand-by)
Rear Camera
4 Number of Cameras: 4
48 MP, f/2.0, 26 mm (wide), 1/2.0″, 0.8µm, PDAF
12 MP, f/2.2, 123˚ (ultrawide)
5 MP, f/2.4, (macro)
5 MP, f/2.2, (depth)
Camera Resolutions: 48 MP, f/2.0, 26 mm (wide), 1/2.0″, 0.8µm, PDAF
8 MP, f/2.2, 123˚, (ultrawide), 1/4.0″, 1.12µm
5 MP, f/2.4, (macro)
5 MP, f/2.4, (depth)
4K@30fps, 1080p@30/120fps; gyro-EIS Video Resolution: 1080p@30fps
LED flash, panorama, HDR Features: LED flash, panorama, HDR
Front (Selfie) Camera
32 MP, f/2.2, 26 mm (wide), 1/2.8″, 0.8µm Camera Resolutions: 20 MP, f/2.2, (wide)
4K@30fps, 1080p@30fps Video Resolution: 1080p@30fps
HDR Features:
Battery
Li-Po 4000 mAh, non-removable Battery Capacity: Li-Po 5000 mAh, non-removable
Fast charging 15W Charging: Fast charging 15W
Hardware
Exynos 9611 (10nm) Chipset: Mediatek MT6768 Helio P65 (12nm)
Octa-core (4x2.3 GHz Cortex-A73 & 4x1.7 GHz Cortex-A53) Processor: Octa-core (2x2.0 GHz Cortex-A75 & 6x1.7 GHz Cortex-A55)
Mali-G72 MP3 GPU: Mali-G52 MC2
64GB 4GB RAM, 128GB 4GB RAM, 128GB 6GB RAM, 128GB 8GB RAM, 256GB 8GB RAM Memory: 64GB 4GB RAM, 128GB 4GB RAM, 128GB 6GB RAM, 128GB 8GB RAM
microSDXC (dedicated slot) Memory Card Slot: microSDXC (dedicated slot)
Fingerprint (under display, optical), accelerometer, gyro, compass Sensors: Fingerprint (under display, optical), accelerometer, gyro, compass
FM radio Radio: FM radio, RDS, recording
Yes Audio Jack 3.5 mm: Yes
Virtual proximity sensing
ANT+
Other: Virtual proximity sensing
Network & Connectivity
Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct, hotspot Wi-Fi: Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct, hotspot
5.0, A2DP, LE Bluetooth: 5.0, A2DP, LE
USB Type-C 2.0, USB On-The-Go USB: USB Type-C 2.0, USB On-The-Go
Yes, with A-GPS, GLONASS, GALILEO, BDS GPS: Yes, with A-GPS, GLONASS, GALILEO, BDS
Yes NFC: Yes (market/region dependent)
LTE / HSPA / GSM Technology: LTE / HSPA / GSM

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