Samsung Galaxy M21 2021 vs Realme 8i

Phones Images
PHONES
Phone Names Samsung Galaxy M21 2021 Realme 8i
Network
2G bandsGSM 850 / 900 / 1800 / 1900GSM 850 / 900 / 1800 / 1900
3G bandsHSDPA 850 / 900 / 1900 / 2100HSDPA 850 / 900 / 2100
4G bands1, 3, 5, 7, 8, 20, 38, 40, 411, 3, 5, 8, 38, 40, 41
SpeedHSPA, LTEHSPA, LTE
TechnologyGSM / HSPA / LTEGSM / HSPA / LTE
Launch
Announced2021, July 212021, September 09
StatusAvailable. Released 2021, July 26Available. Released 2021, September 14
Body
BuildGlass front, plastic back, plastic frameGlass front, plastic frame, plastic back
Dimensions159 x 75.1 x 9 mm (6.26 x 2.96 x 0.35 in)164.1 x 75.5 x 8.5 mm (6.46 x 2.97 x 0.33 in)
SIMNano-SIM + Nano-SIMNano-SIM + Nano-SIM
Weight192 g (6.77 oz)194 g (6.84 oz)
Display
Resolution1080 x 2340 pixels, 19.5:9 ratio (~403 ppi density)1080 x 2412 pixels, 20:9 ratio (~400 ppi density)
Size6.4 inches, 100.5 cm2 (~84.2% screen-to-body ratio)6.6 inches, 104.8 cm2 (~84.6% screen-to-body ratio)
TypeSuper AMOLED, 420 nits (peak)IPS LCD, 120Hz, 600 nits (peak)
Platform
CPUOcta-core (4x2.3 GHz Cortex-A73 & 4x1.7 GHz Cortex-A53)Octa-core (2x2.05 GHz Cortex-A76 & 6x2.0 GHz Cortex-A55)
ChipsetExynos 9611 (10 nm)Mediatek MT6781 Helio G96 (12 nm)
GPUMali-G72 MP3Mali-G57 MC2
OSAndroid 11, One UI 3.1 CoreAndroid 11, Realme UI 2.0
Memory
Card slotmicroSDXC (dedicated slot)microSDXC (dedicated slot)
Internal64GB 4GB RAM, 128GB 6GB RAM64GB 4GB RAM, 128GB 4GB RAM, 128GB 6GB RAM
 -UFS 2.1
Main Camera
FeaturesLED flash, panorama, HDRLED flash, HDR, panorama
Single-16 MP, f/2.1, (wide), 1/3.0", 1.0µm
Triple48 MP, f/2.0, 26mm (wide), 1/2.0", 0.8µm, PDAF 8 MP, f/2.2, 123˚ (ultrawide), 1/4.0", 1.12µm Auxiliary lens50 MP, f/1.8, 26mm (wide), 1/2.76", 0.64µm, PDAF 2 MP (macro) Auxiliary lens
Video4K@30fps, 1080p@30fps, 720p@240fps, gyro-EIS1080p@30fps
Selfie camera
FeaturesHDRPanorama
Single20 MP, f/2.2, 26mm (wide)16 MP, f/2.1, (wide), 1/3.0", 1.0µm
Video1080p@30fps1080p@30fps
Sound
3.5mm jack YesYes
35mm jackYesYes
Loudspeaker YesYes
Comms
Bluetooth5.0, A2DP, LE5.1, A2DP, LE
NFCYes (market/region dependent)Yes (market/region dependent)
PositioningGPS, GLONASS, GALILEO, BDSGPS, GLONASS, GALILEO, BDS
RadioFM radio, RDS, recordingNo
USBUSB Type-C 2.0USB Type-C 2.0, OTG
WLANWi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi DirectWi-Fi 802.11 a/b/g/n/ac, dual-band
Features
SensorsFingerprint (rear-mounted), accelerometer, gyro, proximity, compassFingerprint (side-mounted), accelerometer, gyro, proximity, compass
Battery
Charging15W wired18W wired
TypeLi-Po 6000 mAh5000 mAh
Misc
ColorsCharcoal Black, Arctic BlueSpace Black, Space Purple
ModelsSM-M215G, SM-M215G/DSRMX3151
PriceAbout 130 EURAbout 440 EUR
SAR0.47 W/kg (head)-
Tests
Battery life- Endurance rating 131h
Camera- Photo / Video
Loudspeaker- -28.4 LUFS (Average)
OUR TESTS
Battery (old)-Endurance rating 131h
Camera-Photo / Video
Display-1244:1 contrast ratio, 540 nits max brightness (measured)
Loudspeaker--28.4 LUFS (Average)