Compare Devices
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Brand | samsung | oneplus | xiaomi |
Model | samsung galaxy a31 | oneplus ace 2 pro | xiaomi redmi 8 |
Announced | 2020 March 24 | 2023 August 16 | 2019 October 09 |
Status | Available. Released 2020 April 27 | Available. Released 2023 August 23 | Available. Released 2019 October 12 |
Device Body | glass front ( asahi glass ) | plastic frame | glass back ( gorilla glass 5 ) | glass front ( gorilla glass 5 ) | plastic back | plastic frame | |
Dimensions | 159.3 x 73.1 x 8.6 mm ( 6.27 x 2.88 x 0.34 in ) | 163.1 x 74.2 x 9 mm ( 6.42 x 2.92 x 0.35 in ) | 156.5 x 75.4 x 9.4 mm ( 6.16 x 2.97 x 0.37 in ) |
Weight in gram | 185 | 210 | 188 |
SIM card | single SIM ( Nano-SIM ) or dual SIM ( Nano-SIM | dual stand-by ) | Nano-SIM + Nano-SIM | dual SIM ( Nano-SIM | dual stand-by ) |
Water Resistance | No | No | water repellent coating |
Display type | Super AMOLED | AMOLED | 1b colors | 120hz | hdr10+ | 550 Luminance units ( typ ) | 1200 Luminance units ( hbmillion) | 1600 Luminance units ( the peak ) | IPS LCD | 400 Luminance units ( typ ) |
Display resolution | 1080 x 2400 pixels | 20 : 9 ratio ( ~411 pixel per inch density ) | 1240 x 2772 pixels | 20 : 9 ratio ( ~451 pixel per inch density ) | 720 x 1520 pixels | 19 : 9 ratio ( ~270 pixel per inch density ) |
Display size | 6.4 inches | 98.9 cm2 ( ~84.9% screen to body ratio ) | 6.74 inches | 109.2 cm2 ( ~90.3% screen to body ratio ) | 6.22 inches | 96.6 cm2 ( ~81.8% screen to body ratio ) |
Display Protection | asahi glass | corning gorilla glass 5 | |
Operating System | android 10 | one ui 2.5 | android 13 | coloros 13.1 | android 9.0 ( pie ) | upgradable to android 10 | miui 12 |
CPU | Octa-core ( 2x2.0 GHz cortex-a75 & 6x1.7 GHz cortex-a55 ) | Octa-core ( 1x3.2 GHz cortex-x3 & 2x2.8 GHz cortex-a715 & 2x2.8 GHz cortex-a710 & 3x2.0 GHz cortex-a510 ) | Octa-core ( 4x1.95 GHz cortex-a53 & 4x1.45 GHz Cortex a53 ) |
Chipset | mediatek mt6768 helio p65 ( 12nm ) | Qualcomm sm8550-ab snapdragon 8 generation 2 ( 4 nm ) | Qualcomm sdm439 snapdragon 439 ( 12 nm ) |
GPU | mali-g52 mc2 | adreno 740 | adreno 505 |
Memory card | microsdxc ( dedicated slot ) | No | microsdxc ( dedicated slot ) |
Memory v1 | 64gb 4gb RAM | 256gb 12gb RAM | 32gb 3gb RAM |
Memory v2 | 128gb 4gb RAM | 128gb 6gb RAM | 128gb 8gb RAM | 512gb 16gb RAM | 1tb 24gb RAM | 64gb 4gb RAM |
Primary camera | 48 megapixel| lens aperture2.0 | 26mm ( wide ) | 1/2.0" | 0.8µm | phase detection autofocus 8 megapixel| lens aperture2.2 | 123˚ | ( ultrawide ) | 1/4.0" | 1.12µm 5 megapixel| lens aperture2.4 | ( macro ) 5 megapixel| lens aperture2.4 | ( depth ) | 50 megapixel| lens aperture1.8 | 24mm ( wide ) | 1/1.56" | 1.0µm | phase detection autofocus | OIS 8 megapixel| lens aperture2.2 | 16mm | 112˚ ( ultrawide ) | 1/4.0" | 1.12µm 2 megapixel| lens aperture2.4 | ( macro ) | 12 megapixel| lens aperture1.8 | 1/2.55" | 1.4µm | Dual Pixel phase detection autofocus |
Secondary camera | 20 megapixel| lens aperture2.2 | ( wide ) | 16 megapixel| lens aperture2.4 | 26mm ( wide ) | 1/3.09" | 1.0µm | 8 megapixel| lens aperture2.0 | 1/4" | 1.12µm |
Loud speaker | Yes | Yes with stereo speakers | Yes |
Audio jack | Yes | No | Yes |
WLAN | Wi-Fi 802.11 a/b/g/n/ac | dual-band | Wi-Fi Direct | Wi-Fi 802.11 a/b/g/n/ac/6/7 | dual-band | Wi-Fi 802.11 b/g/n | Wi-Fi Direct | hotspot |
Bluetooth | 5.0 | a2dp | le | 5.3 | a2dp | le | aptx hd | 4.2 | a2dp | le |
GPS | Yes with a-gps glonass galileo bds | ||
NFC | Yes ( market/region dependent ) | Yes | ese | hce | No |
Radio | FM Radio | rds | recording | No | wireless FM Radio ( No wired headphones required ) |
USB | USB Type-C 2.0 | otg | USB Type-C 2.0 | USB Type-C 2.0 | USB on-the-go |
Sensors | fingerprint ( under display | optical ) | accelerometer | gyroscope | compass | fingerprint ( under display | optical ) | accelerometer | gyroscope | proximity | compass | fingerprint ( rear-mounted ) | accelerometer | proximity | compass |
Battery | li-po 5000 mAh | Non-removable | li-po 5000 mAh | li-po 5000 mAh | Non-removable |
Battery Charge | 15w wired | 150w wired | Fast charging 18w |
Colors | black color gradations, prism color color gradations, red color gradations, white color gradations | green color gradations, gray color gradations | black color gradations, red color gradations, blue color gradations, red color gradations |
Network technology | gsm / hspa / lte | gsm / cdma / hspa / lte / 5g | gsm / hspa / lte |
5G bands | 1 | 3 | 5 | 8 | 28 | 41 | 77 | 78 sa/nsa | ||
Network speed | hspa lte-a | hspa lte (ca) 5g | hspa 42.2/5.76 mbps lte-a |
GPRS | |||
EDGE | |||
Approx price |
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180 GBP
214 EUR
2040 NOK
2200 SEK
13200 RUB
210 USD
1110 BRL
310 AUD
280000 KRW
29000 JPY
290 SGD
940 MYR
770 AED
3600 ZAR
