Samsung Galaxy A21 vs Infinix Smart 20 128GB

Network
TechnologyGSM / CDMA / HSPA / EVDO / LTE
2G bandsGSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 (dual-SIM only)
 CDMA 800 / 1900
3G bandsHSDPA 850 / 900 / 1700(AWS) / 1900 / 2100 - USA
 CDMA2000 1xEV-DO
4G bands1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 20, 25, 26, 28, 38, 39, 40, 41, 66, 71 - USA
SpeedHSPA 42.2/5.76 Mbps, LTE Cat4 150/50 Mbps
Launch
Announced2020, April 08
StatusAvailable. Released 2020, June 26
Body
Dimensions167.8 x 76.7 x 8.1 mm (6.61 x 3.02 x 0.32 in)
Weight193 g (6.81 oz)
BuildGlass front, plastic back, plastic frame
SIMSingle SIM (Nano-SIM) or Dual SIM (Nano-SIM, dual stand-by)
Display for Samsung Galaxy A21
TypeIPS LCD
Size6.5 inches, 102.0 cm2 (~79.3% screen-to-body ratio)
Resolution720 x 1600 pixels, 20:9 ratio (~270 ppi density)
Platform
OSAndroid 10, One UI 2.0
CPUOcta-core (4x2.3 GHz & 4x1.8 GHz)
Memory
Card slotmicroSDXC (dedicated slot)
Internal32GB 3GB RAM
 eMMC 5.1
Main Camera
Quad16 MP, f/1.8, (wide), 1/3.06", 1.0µm, PDAF
8 MP, f/2.2, (ultrawide), 1/4.0", 1.12µm
2 MP, f/2.4, (macro)
2 MP, f/2.4, (depth)
FeaturesLED flash, panorama, HDR
Video1080p@30fps
Selfie camera
Single13 MP, f/2.0, (wide)
Video1080p@30fps
Sound
Loudspeaker Yes
3.5mm jack Yes
Comms
WLANWi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct, hotspot
Bluetooth5.0, A2DP, LE
GPSYes, with A-GPS, GLONASS, BDS
NFCYes (market/region dependent)
RadioUnspecified
USBUSB Type-C 2.0
Features
SensorsFingerprint (rear-mounted), accelerometer, gyro, proximity, compass
Battery
TypeLi-Po 4000 mAh, non-removable
ChargingFast charging 15W
space
Network
Technology GSM / HSPA / LTE
2G bands GSM 850 / 900 / 1800 / 1900
3G bands HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100
4G bands 1, 2, 3, 4, 5, 7, 8, 20, 28, 38, 41, 40
Speed HSPA, LTE
Launch
Announced 2026, March 04
Status Available. Released 2026
Body
Dimensions 167.7 x 78.8 x 7.7 mm (6.60 x 3.10 x 0.30 in)
Weight 187 g (6.60 oz)
Build Glass front, plastic back, plastic frame
SIM Nano-SIM + Nano-SIM
 IP64 dust tight and water resistant (water splashes)
Drop resistant up to 1.5m
Display for Infinix Smart 20 128GB
Type IPS LCD, 120Hz, 700 nits (HBM)
Size 6.78 inches, 109.5 cm2 (~82.9% screen-to-body ratio)
Resolution 720 x 1576 pixels, 19.5:9 ratio (~259 ppi density)
Platform
OS Android 16, XOS 16
Chipset Mediatek Helio G81 Ultimate (12 nm)
CPU Octa-core (2x2.0 GHz Cortex-A75 & 6x1.7 GHz Cortex-A55)
GPU Mali-G52 MC2
Memory
Card slot microSDXC (dedicated slot)
Internal 128GB 4GB RAM
 eMMC 5.1
Main Camera
Single 8 MP, f/2.0, (wide), 1/4.0", 1.12µm, AF
Features Dual-LED flash, panorama
Video 1440p@30fps, 1080p@30fps
Selfie camera
Single 8 MP, f/2.0, (wide), 1/4.0", 1.12µm
Video 1440p@30fps, 1080p@30fps
Sound
Loudspeaker Yes
3.5mm jack Yes
Comms
WLAN Wi-Fi 802.11 a/b/g/n/ac, dual-band
Bluetooth Yes
Positioning GPS
NFC Yes
Infrared port Yes
Radio FM radio
USB USB Type-C 2.0, OTG
Features
Sensors Fingerprint (side-mounted), accelerometer, proximity, compass
Battery
Type 5200 mAh
Charging 15W wired
5W reverse wired