Product
Honor X8b
Honor X8b
Samsung Galaxy M21
Samsung Galaxy M21
Battery
Charging 35W wired 15W wired
Type Li-Po 4500 mAh Li-Po 6000 mAh
Body
Build - Glass front (Gorilla Glass 3), plastic back, plastic frame
Dimensions 161.1 x 74.6 x 6.8 mm (6.34 x 2.94 x 0.27 in) 159 x 75.1 x 8.9 mm (6.26 x 2.96 x 0.35 in)
SIM Nano-SIM + Nano-SIM Nano-SIMNano-SIM + Nano-SIM
Weight 166 g (5.86 oz) 188 g (6.63 oz)
Comms
Bluetooth 5.0, A2DP, LE 5.0, A2DP, LE
NFC No Yes (market/region dependent)
Positioning GPS, GLONASS, GALILEO, BDS GPS, GLONASS, GALILEO, BDS
Radio No FM radio, RDS, recording
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, Wi-Fi Direct
Display
Protection - Corning Gorilla Glass 3
Resolution 1080 x 2412 pixels, 20:9 ratio (~394 ppi density) 1080 x 2340 pixels, 19.5:9 ratio (~403 ppi density)
Size 6.7 inches, 108.0 cm2 (~89.9% screen-to-body ratio) 6.4 inches, 100.5 cm2 (~84.2% screen-to-body ratio)
Type AMOLED, 90Hz, 1200 nits (HBM), 2000 nits (peak) Super AMOLED, 420 nits (peak)
Features
Sensors Fingerprint (side-mounted), accelerometer, compass Fingerprint (rear-mounted), accelerometer, gyro, proximity, compass
  Virtual proximity sensing -
Launch
Announced 2023, December 14 2020, March 18
Status Available. Released 2023, December 22 Available. Released 2020, March 23
Main Camera
Features LED flash, HDR, panorama LED flash, panorama, HDR
Triple 108 MP, f/1.8, 24mm (wide), 1/1.67", PDAF 5 MP, f/2.2, (ultrawide) 2 MP, f/2.4, (macro) 48 MP, f/2.0, 26mm (wide), 1/2.0", 0.8µm, PDAF 8 MP, f/2.2, 12mm (ultrawide), 1/4.0", 1.12µm 5 MP, f/2.2, (depth)
Video 1080p@30fps 4K@30fps, 1080p@30fps, 720p@240fps, gyro-EIS
Memory
Card slot No microSDXC (dedicated slot)
Internal 128GB 8GB RAM, 256GB 6GB RAM, 256GB 8GB RAM, 512GB 8GB RAM 64GB 4GB RAM, 128GB 6GB RAM
  - UFS 2.1
Misc
Colors Glamorous Green, Titanium Silver, Midnight Black, Blue Midnight Blue, Raven Black
Models LLY-LX1, LLY-LX2, LLY-LX3 SM-M215F, SM-M215F/DS, SM-M215F/DSN
SAR - 0.47 W/kg (head)    
Network
2G bands GSM 850 / 900 / 1800 / 1900 GSM 850 / 900 / 1800 / 1900
3G bands HSDPA 850 / 900 / 1900 / 2100 HSDPA 850 / 900 / 1900 / 2100
4G bands LTE 1, 3, 5, 7, 8, 20, 38, 40, 41
Speed HSPA, LTE HSPA, LTE
Technology GSM / HSPA / LTE GSM / HSPA / LTE
Platform
Chipset Qualcomm SM6225 Snapdragon 680 4G (6 nm) Exynos 9611 (10 nm)
CPU Octa-core (4x2.4 GHz Kryo 265 Gold & 4x1.9 GHz Kryo 265 Silver) Octa-core (4x2.3 GHz Cortex-A73 & 4x1.7 GHz Cortex-A53)
GPU Adreno 610 Mali-G72 MP3
OS Android 13, MagicOS 7.2 Android 10, upgradable to Android 11, One UI 3.1 Core
Selfie camera
Features LED flash HDR
Single 50 MP, f/2.1, (wide) 20 MP, f/2.2, 26mm (wide)
Video 1080p@30fps 1080p@30fps
Sound
3.5mm jack No Yes
Loudspeaker Yes Yes