Screen size
Galaxy A216.5"
Galaxy A37Winner: 6.7"+3%
Quick verdict
Galaxy A37 leads the measured specs 16-4.
Measured wins
Galaxy A21
4
spec wins
Ties
3
equal specs
Galaxy A37
16
spec wins
Overall winner
Screen size
Technology
Galaxy A21
GSM / CDMA / HSPA / EVDO / LTE
Galaxy A37
GSM / HSPA / LTE / 5G
2G bands
Galaxy A21
GSM 850 / 900 / 1800 / 1900 , CDMA 800 / 1900
Galaxy A37
GSM 850 / 900 / 1800 / 1900
3G bands
Galaxy A21
HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100 - USA, CDMA2000 1xEV-DO
Galaxy A37
HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100
4G bands
Galaxy A21
1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 20, 25, 26, 28, 38, 39, 40, 41, 66, 71 - USA
Resolution
Refresh rate
Peak brightness
Pixel density
CPU speed
RAM
Storage
Main camera
Front camera
Battery
Wired charging
Weight
Thickness
IP rating
Wi‑Fi
Bluetooth
equal specsUSB
equal specs5G support
NFC
equal specs3.5mm jack
SD card
Stereo speakers
Galaxy A37
1, 2, 3, 4, 5, 7, 8, 12, 17, 20, 25, 26, 28, 32, 38, 40, 41, 66
Speed
Galaxy A21
HSPA 42.2/5.76 Mbps, LTE Cat4 150/50 Mbps
Galaxy A37
HSPA, LTE, 5G
5G bands
Galaxy A21
-
Galaxy A37
1, 3, 5, 7, 8, 20, 28, 38, 40, 41, 66, 77, 78 SA/NSA/Sub6
Announced
Galaxy A21
2020, April 08. Released 2020, June 26
Galaxy A37
2026, March 25
Status
Galaxy A21
Discontinued
Galaxy A37
Released Apr 10, 2026
Dimensions
Galaxy A21
167.8 x 76.7 x 8.1 mm (6.61 x 3.02 x 0.32 in)
Galaxy A37
162.9 x 78.2 x 7.4 mm (6.41 x 3.08 x 0.29 in)
Weight
Galaxy A21
193 g (6.81 oz)
Galaxy A37
196 g (6.91 oz)
Build
Galaxy A21
Glass front, plastic back, plastic frame
Galaxy A37
Glass front (Gorilla Glass Victus+), plastic frame, glass back (Gorilla Glass Victus+)
SIM
Galaxy A21
· Nano-SIM· Nano-SIM + Nano-SIM
Galaxy A37
· Nano-SIM + eSIM· Nano-SIM + Nano-SIM + eSIM + eSIM (max 2 at a time)
Other
Galaxy A21
-
Galaxy A37
IP68 dust tight and water resistant (immersible up to 1.5m for 30 min)
Type
Galaxy A21
IPS LCD
Galaxy A37
Super AMOLED, 120Hz, 1200 nits (HBM), 1900 nits (peak)
Size
Galaxy A21
6.5 inches, 102.0 cm2 (~79.3% screen-to-body ratio)
Galaxy A37
6.7 inches, 110.2 cm2 (~86.5% screen-to-body ratio)
Resolution
Galaxy A21
720 x 1600 pixels, 20:9 ratio (~270 ppi density)
Galaxy A37
1080 x 2340 pixels, 19.5:9 ratio (~385 ppi density)
Protection
Galaxy A21
-
Galaxy A37
Corning Gorilla Glass Victus+, Mohs level 5
OS
Galaxy A21
Android 10, One UI 2.0
Galaxy A37
Android 16, up to 6 major Android upgrades, One UI 8.5
Chipset
Galaxy A21
Mediatek MT6765 Helio P35 (12 nm)
Galaxy A37
Exynos 1480 (4 nm)
CPU
Galaxy A21
Octa-core (4x2.35 GHz Cortex-A53 & 4x1.8 GHz Cortex-A53)
Galaxy A37
Octa-core (4x2.75 GHz Cortex-A78 & 4x2.0 GHz Cortex-A55)
GPU
Galaxy A21
PowerVR GE8320
Galaxy A37
Xclipse 530
Card slot
Galaxy A21
microSDXC (dedicated slot)
Galaxy A37
No
Internal
Galaxy A21
32GB 3GB RAM
Galaxy A37
128GB 6GB RAM, 128GB 8GB RAM, 256GB 8GB RAM, 256GB 12GB RAM
Other
Galaxy A21
eMMC 5.1
Galaxy A37
UFS
Quad
Galaxy A21
16 MP, f/1.8, (wide), 1/3.06", 1.0µm, PDAF 8 MP, f/2.2, (ultrawide), 1/4.0", 1.12µm 2 MP (macro) Auxiliary lens
Galaxy A37
-
Features
Galaxy A21
LED flash, panorama, HDR
Galaxy A37
LED flash, panorama, HDR
Video
Galaxy A21
1080p@30fps
Galaxy A37
4K@30fps, 1080p@30/60fps, gyro-EIS
Triple
Galaxy A21
-
Galaxy A37
50 MP, f/1.8, (wide), 1/1.56", 1.0µm, PDAF, OIS 8 MP, f/2.2, 123˚, (ultrawide), 1/4.0", 1.12µm 5 MP, f/2.4, (macro)
Single
Galaxy A21
13 MP, f/2.0, (wide), 1/3.1", 1.12µm
Galaxy A37
12 MP, f/2.2, (wide), 1/3.2", 1.12µm
Video
Galaxy A21
1080p@30fps
Galaxy A37
4K@30fps, 1080p@30fps, 10-bit HDR
Loudspeaker
Galaxy A21
Yes
Galaxy A37
Yes, with stereo speakers
3.5mm jack
Galaxy A21
Yes
Galaxy A37
No
WLAN
Galaxy A21
Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct
Galaxy A37
Wi-Fi 802.11 a/b/g/n/ac/6, dual-band, Wi-Fi Direct
Bluetooth
Galaxy A21
5.0, A2DP, LE
Galaxy A37
5.4, A2DP, LE
Positioning
Galaxy A21
GPS, GLONASS, BDS
Galaxy A37
GPS, GALILEO, GLONASS, BDS, QZSS
NFC
Galaxy A21
Yes (market/region dependent)
Galaxy A37
Yes (market/region dependent)
Radio
Galaxy A21
FM radio
Galaxy A37
No
USB
Galaxy A21
USB Type-C 2.0
Galaxy A37
USB Type-C 2.0, OTG
Sensors
Galaxy A21
Fingerprint (rear-mounted), accelerometer, gyro, proximity, compass
Galaxy A37
Fingerprint (under display, optical), accelerometer, gyro, compass
Other
Galaxy A21
-
Galaxy A37
Virtual Proximity Sensing
Type
Galaxy A21
Li-Po 4000 mAh
Galaxy A37
5000 mAh
Charging
Galaxy A21
15W wired
Galaxy A37
45W wired
Colors
Galaxy A21
Black
Galaxy A37
Graygreen, Charkoal, White, Light Violet
Models
Galaxy A21
SM-A215U, SM-A215U1, SM-S215DL, SM-A215W
Galaxy A37
SM-A376E, SM-A376E/DS, SM-A376B, SM-A376B/DS, SM-A376U, SM-A376U1, SM-A376W, SM-A3760
SAR
Galaxy A21
1.27 W/kg (head) 0.60 W/kg (body)
Galaxy A37
0.81 W/kg (head) 1.17 W/kg (body)
Price
Galaxy A21
$ 54.44 / C$ 155.00 / £ 79.99 / € 91.89
Galaxy A37
£ 459.00 / ₹ 41,999
SAR EU
Galaxy A21
-
Galaxy A37
0.72 W/kg (head) 1.14 W/kg (body)