Product
Samsung Galaxy A31
Samsung Galaxy A31
Xiaomi Redmi 13C
Xiaomi Redmi 13C
Battery
Charging 15W wired 18W wired, PD
Type Li-Po 5000 mAh Li-Po 5000 mAh
Body
Dimensions 159.3 x 73.1 x 8.6 mm (6.27 x 2.88 x 0.34 in) 168 x 78 x 8.1 mm (6.61 x 3.07 x 0.32 in)
SIM Nano-SIMNano-SIM + Nano-SIM Nano-SIM + Nano-SIM
Weight 185 g (6.53 oz) 192 g (6.77 oz)
Comms
Bluetooth 5.0, A2DP, LE 5.3, A2DP, LE
NFC Yes (market/region dependent) Yes (market/region dependent)
Positioning GPS, GLONASS, GALILEO, BDS GPS, GLONASS, GALILEO, BDS
Radio FM radio, RDS, recording FM radio
USB USB Type-C 2.0, OTG USB Type-C 2.0
WLAN 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
Display
Protection - Corning Gorilla Glass
Resolution 1080 x 2400 pixels, 20:9 ratio (~411 ppi density) 720 x 1600 pixels, 20:9 ratio (~260 ppi density)
Size 6.4 inches, 98.9 cm2 (~84.9% screen-to-body ratio) 6.74 inches, 109.7 cm2 (~83.7% screen-to-body ratio)
Type Super AMOLED IPS LCD, 90Hz, 450 nits (typ), 600 nits (HBM)
Features
Sensors Fingerprint (under display, optical), accelerometer, gyro, compass Fingerprint (side-mounted), accelerometer, compass
  Virtual proximity sensing Virtual proximity sensing
Launch
Announced 2020, March 24 2023, November 10
Status Available. Released 2020, April 27 Available. Released 2023, November 10
Main Camera
Dual - 50 MP, f/1.8, 28mm (wide), PDAF 2 MP, f/2.4, (macro) 0.08 MP (auxiliary lens)
Features LED flash, panorama, HDR LED flash, HDR
Quad 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) -
Video 1080p@30fps 1080p@30fps
Memory
Card slot microSDXC (dedicated slot) microSDXC (dedicated slot)
Internal 64GB 4GB RAM, 128GB 4GB RAM, 128GB 6GB RAM, 128GB 8GB RAM 128GB 4GB RAM, 128GB 6GB RAM, 128GB 8GB RAM, 256GB 4GB RAM, 256GB 8GB RAM
  eMMC 5.1 eMMC 5.1
Misc
Colors Prism Crush Black, Prism Crush Blue, Prism Crush Red, Prism Crush White Midnight Black, Navy Blue, Glacier White, Clover Green
Models SM-A315F, SM-A315F/DS, SM-A315G/DS, SM-A315G, SM-A315N 23100RN82L, 23106RN0DA, 23108RN04Y, 2311DRN14I
SAR EU 0.49 W/kg (head)     1.68 W/kg (body)     0.98 W/kg (head)     0.99 W/kg (body)    
Network
2G bands GSM 850 / 900 / 1800 / 1900 GSM 850 / 900 / 1800 / 1900
3G bands HSDPA 850 / 900 / 1900 / 2100 - SM-A315F HSDPA 850 / 900 / 2100
4G bands 1, 2, 3, 5, 7, 8, 20, 38, 40, 41 - SM-A315F 1, 3, 5, 7, 8, 20, 28, 38, 40, 41
Speed HSPA, LTE HSPA, LTE
Technology GSM / HSPA / LTE GSM / HSPA / LTE
  1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 20, 28, 38, 40, 41, 66 - SM-A315G -
Our Tests
Battery (old) Endurance rating 124h -
Camera Photo / Video -
Display 635 nits max brightness (measured) -
Loudspeaker -30.9 LUFS (Below average) -
Performance AnTuTu: 151815 (v8) GeekBench: 5096 (v4.4), 1216 (v5.1) GFXBench: 7fps (ES 3.1 onscreen) -
Platform
Chipset Mediatek MT6768 Helio P65 (12 nm) Mediatek MT6769Z Helio G85 (12 nm)
CPU Octa-core (2x2.0 GHz Cortex-A75 & 6x1.7 GHz Cortex-A55) Octa-core (2x2.0 GHz Cortex-A75 & 6x1.8 GHz Cortex-A55)
GPU Mali-G52 MC2 Mali-G52 MC2
OS Android 10, upgradable to Android 12, One UI 4.1 Android 13, MIUI 14
Selfie camera
Features - HDR
Single 20 MP, f/2.2, (wide) 8 MP, f/2.0
Video 1080p@30fps 1080p@30fps
Sound
3.5mm jack Yes Yes
Loudspeaker Yes Yes