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LG K42

Samsung Galaxy A31

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LG K42
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LG K42

Samsung Galaxy A31

Network
Technology GSM / HSPA / LTE GSM / HSPA / LTE
2G bands GSM 850 / 900 / 1800 / 1900 GSM 850 / 900 / 1800 / 1900
3G Network HSDPA 850 / 900 / 1900 / 2100 HSDPA 850 / 900 / 1900 / 2100 - SM-A315F
  HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100 - SM-A315G
4G Network 1, 3, 7, 8, 20, 28, 38 - Europe 1, 2, 3, 5, 7, 8, 20, 38, 40, 41 - SM-A315F
  1, 3, 5, 7, 8, 20, 28, 38, 39, 40, 41 - Australia 1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 20, 28, 38, 40, 41, 66 - SM-A315G
Speed Yes, 384 kbps HSPA, LTE
Launch
Announced 2020, September 21 2020, March 24
Status Available. Released 2020, September 21 Available. Released 2020, April 27
Body
Dimensions 165 x 76.7 x 8.4 mm (6.50 x 3.02 x 0.33 in) 159.3 x 73.1 x 8.6 mm (6.27 x 2.88 x 0.34 in)
Weight 182 g (6.42 oz) 185 g (6.53 oz)
SIM Nano-SIM + Nano-SIM Nano-SIM
Nano-SIM + Nano-SIM
 MIL-STD-810G compliant*
*does not guarantee ruggedness or use in extreme conditions
Display
Type IPS LCD Super AMOLED
Size 6.6 inches, 105.2 cm2 (~83.1% screen-to-body ratio) 6.4 inches, 98.9 cm2 (~84.9% screen-to-body ratio)
Resolution 720 x 1600 pixels, 20:9 ratio (~266 ppi density) 1080 x 2400 pixels, 20:9 ratio (~411 ppi density)
Platform
OS Android 10, upgradable to Android 11 Android 10, up to Android 12, One UI 4.1
Chipset Mediatek MT6762 Helio P22 (12 nm) Mediatek MT6768 Helio P65 (12 nm)
CPU Octa-core 2.0 GHz Cortex-A53 Octa-core (2x2.0 GHz Cortex-A75 & 6x1.7 GHz Cortex-A55)
GPU PowerVR GE8320 Mali-G52 MC2
Memory
Card slot microSDXC microSDXC (dedicated slot)
Internal 64GB 3GB RAM 64GB 4GB RAM, 128GB 4GB RAM, 128GB 6GB RAM, 128GB 8GB RAM
 eMMC 5.1 eMMC 5.1
Main Camera
Modules 13 MP, 27mm (wide), 1/3.1", 1.12µm, PDAF
5 MP, f/2.2, 115˚ (ultrawide), 1/5.0", 1.12µm
2 MP, f/2.4, (macro)
2 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
5 MP, f/2.4, (macro)
5 MP, f/2.4, (depth)
Features LED flash, panorama, HDR LED flash, panorama, HDR
Video 1080p@30fps 1080p@30fps
Selfie Camera
Modules 8 MP, (wide) 20 MP, f/2.2, (wide)
Video 1080p@30fps 1080p@30fps
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Sound
Loudspeaker Yes Yes
3.5mm jack Yes Yes
Comms
WLAN Wi-Fi 802.11 b/g/n, Wi-Fi Direct Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct
Bluetooth 5.0, A2DP, LE 5.0, A2DP, LE
Positioning GPS GPS, GLONASS, GALILEO, BDS
NFC Yes (market/region dependent) Yes (market/region dependent)
Infrared port No No
Radio No FM radio, RDS, recording
USB USB Type-C 2.0, OTG USB Type-C 2.0, OTG
Features
Sensors Fingerprint (side-mounted), accelerometer, proximity, compass Fingerprint (under display, optical), accelerometer, gyro, compass
  Virtual proximity sensing
Battery
Type Li-Po 4000 mAh Li-Po 5000 mAh
Charging 10W wired 15W wired
Misc
Colors Gray, Green Prism Crush Black, Prism Crush Blue, Prism Crush Red, Prism Crush White
SAR EU 0.49 W/kg (head)     1.68 W/kg (body)    
Models LMK420, LM-K420, LMK420H, LM-K420H, LMK420E, LM-K420E, LMK420Y, LM-K420Y SM-A315F, SM-A315F/DS, SM-A315G/DS, SM-A315G, SM-A315N
Price About 140 EUR £ 139.99 / € 239.99
Tests
Performance AnTuTu: 151815 (v8)
GeekBench: 5096 (v4.4), 1216 (v5.1)
GFXBench: 7fps (ES 3.1 onscreen)
Display 635 nits max brightness (measured)
Loudspeaker -30.9 LUFS (Below average)
Battery (old) Endurance rating 124h

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