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Full Differences
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Samsung Galaxy A31

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Samsung Galaxy A31
64GB 4GB RAM
$ 257.50 Deal
All prices

Samsung Galaxy A21s

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Samsung Galaxy A21s
64GB 4GB RAM
$ 278.99 Deal
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Network Technology GSM / HSPA / LTE GSM / HSPA / LTE
2G bands GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 (dual-SIM model only) GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 (dual-SIM model only)
3G bands HSDPA 850 / 900 / 1900 / 2100 - SM-A315F HSDPA 850 / 900 / 1900 / 2100
  HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100 - SM-A315G
4G bands 1, 2, 3, 5, 7, 8, 20, 38, 40, 41 - SM-A315F 1, 2, 3, 5, 7, 8, 20, 28, 38, 40, 41
  1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 20, 28, 38, 40, 41, 66 - SM-A315G
Speed HSPA 42.2/5.76 Mbps, LTE-A HSPA 42.2/5.76 Mbps, LTE-A
Launch Announced 2020, March 24 2020, May 15
Status Available. Released 2020, April 27 Available. Released 2020, June 02
Body Dimensions 159.3 x 73.1 x 8.6 mm (6.27 x 2.88 x 0.34 in) 163.7 x 75.3 x 8.9 mm (6.44 x 2.96 x 0.35 in)
Weight 185 g (6.53 oz) 192 g (6.77 oz)
Build Glass front, plastic frame, plastic back
SIM Single SIM (Nano-SIM) or Dual SIM (Nano-SIM, dual stand-by) Single SIM (Nano-SIM) or Dual SIM (Nano-SIM, dual stand-by)
Display Type Super AMOLED PLS LCD
Size 6.4 inches, 98.9 cm2 (~84.9% screen-to-body ratio) 6.5 inches, 102.0 cm2 (~82.8% screen-to-body ratio)
Resolution 1080 x 2400 pixels, 20:9 ratio (~411 ppi density) 720 x 1600 pixels, 20:9 ratio (~270 ppi density)
Platform OS Android 10, One UI 2.5 Android 10, upgradable to Android 11, One UI 3.1
Chipset Mediatek MT6768 Helio P65 (12nm) Exynos 850 (8nm)
CPU Octa-core (2x2.0 GHz Cortex-A75 & 6x1.7 GHz Cortex-A55) Octa-core (4x2.0 GHz Cortex-A55 & 4x2.0 GHz Cortex-A55)
GPU Mali-G52 MC2 Mali-G52
Memory Card slot microSDXC (dedicated slot) microSDXC (dedicated slot)
Internal 64GB 4GB RAM, 128GB 4GB RAM, 128GB 6GB RAM, 128GB 8GB RAM 32GB 2GB RAM, 32GB 3GB RAM, 32GB 4GB RAM, 64GB 3GB RAM, 64GB 4GB RAM, 64GB 6GB RAM, 128GB 3GB RAM, 128GB 4GB RAM, 128GB 6GB RAM
 eMMC 5.1 eMMC 5.1
Main Camera Modules 48 MP, f/2.0, 26mm (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)
48 MP, f/2.0, 26mm (wide), 1/2.0", 0.8µm, PDAF
8 MP, f/2.2, 123˚ (ultrawide), 1/4.0", 1.12µm
2 MP, f/2.4, (macro)
2 MP, f/2.4, (depth)
Features LED flash, panorama, HDR LED flash, panorama, HDR
Video [email protected] [email protected]
Selfie Camera Modules 20 MP, f/2.2, (wide) 13 MP, f/2.2, (wide), 1/3.1", 1.12µm
Video [email protected] [email protected]
Sound Loudspeaker Yes Yes
3.5mm jack Yes Yes
Comms 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 5.0, A2DP, LE 5.0, A2DP, LE
GPS Yes, with A-GPS, GLONASS, GALILEO, BDS Yes, with A-GPS, GLONASS, GALILEO, BDS
NFC Yes (market/region dependent) Yes (market/region dependent)
Infrared port No No
Radio FM radio, RDS, recording FM radio, RDS, recording
USB USB Type-C 2.0, USB On-The-Go USB Type-C 2.0
Features Sensors Fingerprint (under display, optical), accelerometer, gyro, compass Fingerprint (rear-mounted), accelerometer, gyro, proximity, compass
 Virtual proximity sensing
Battery Type Li-Po 5000 mAh, non-removable Li-Po 5000 mAh, non-removable
Charging Fast charging 15W Fast charging 15W
Stand-by
Talk time
Misc
Colors Prism Crush Black, Prism Crush Blue, Prism Crush Red, Prism Crush White Black, White, Blue, Red
SAR EU 0.49 W/kg (head)     1.68 W/kg (body)     0.42 W/kg (head)     1.54 W/kg (body)    
Models SM-A315F, SM-A315F/DS, SM-A315G/DS, SM-A315G, SM-A315N SM-A217F, SM-A217F/DS, SM-A217F/DSN, SM-A217M, SM-A217M/DS, SM-A217N
Price $ 203.36 / £ 195.00 / Rp 3,250,000 $ 169.09 / C$ 585.00 / £ 165.00 / € 178.00 / Rp 2,745,000
Tests Performance AnTuTu: 151815 (v8)
GeekBench: 5096 (v4.4), 1216 (v5.1)
GFXBench: 7fps (ES 3.1 onscreen)
AnTuTu: 107157 (v8)
GeekBench: 1100 (v5.1)
GFXBench: 11fps (ES 3.1 onscreen)
Display Contrast ratio: Infinite (nominal) Contrast ratio: 1287:1 (nominal)
Camera Compare PHOTO / Compare VIDEO
Loudspeaker -30.9 LUFS (Below average) -30.0 LUFS (Average)
Battery life 124h endurance rating 119h endurance rating

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