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Samsung Galaxy A51 vs Samsung Galaxy A21

Samsung Galaxy A51

Samsung Galaxy A51

December, 2019


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Samsung Galaxy A21

Samsung Galaxy A21

April, 2020


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Samsung Galaxy A51 vs Samsung Galaxy A21


Samsung Galaxy A51

Samsung Galaxy A21

Price
EUR: €141EUR: N/A
USD: $143USD: $98
GBP: £139GBP: N/A
INR: N/AINR: N/A
PKR: Rs.54,999PKR: N/A
Body
Form Factor
Candybar, TouchscreenCandybar, Touchscreen
Dimensions
158.5 x 73.6 x 7.9 mm (6.24 x 2.90 x 0.31 in)167.8 x 76.7 x 8.1 mm (6.61 x 3.02 x 0.32 in)
Weight
172 g (6.07 oz)193 g (6.81 oz)
Build
Glass front (Gorilla Glass 3), plastic back, plastic frameGlass front, plastic back, plastic frame
Colors
Prism Crush Black, Prism Crush White, Prism Crush Blue, Prism Crush PinkBlack
Models
SM-A515F, SM-A515F/DSN, SM-A515F/DS, SM-A515F/DST, SM-A515F/DSM, SM-A515F/N, SM-A515U, SM-A515U1, SM-A515W, SM-A515X, SM-S515DLSM-A215U, SM-A215U1, SM-S215DL, SM-A215W
Display
Type
Super AMOLEDIPS LCD
Size
6.5 inches, 102.0 cm2 (~87.4% screen-to-body ratio)6.5 inches, 102.0 cm2 (~79.3% screen-to-body ratio)
Resolution
1080 x 2400 pixels, 20:9 ratio (~405 ppi density)720 x 1600 pixels, 20:9 ratio (~270 ppi density)
Protection
Corning Gorilla Glass 3
Network
Technology
GSM / HSPA / LTEGSM / CDMA / HSPA / EVDO / LTE
2G Bands
GSM 850 / 900 / 1800 / 1900 SIM 1 & SIM 2 (dual-SIM model only)GSM 850 / 900 / 1800 / 1900 SIM 1 & SIM 2 (dual-SIM only)
3G Bands
HSDPA 850 / 900 / 1900 / 2100HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100 USA
4G Bands
1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 20, 26, 28, 38, 40, 41, 661, 2, 3, 4, 5, 7, 8, 12, 13, 17, 20, 25, 26, 28, 38, 39, 40, 41, 66, 71 USA
Memory
Internal Memory
64GB ROM, 4GB RAM

128GB ROM, 4GB RAM

128GB ROM, 6GB RAM

128GB ROM, 8GB RAM

256GB ROM, 8GB RAM
32GB ROM, 3GB RAM
Storage Type
UFS 2.0eMMC 5.1
Card Slot
microSDXC (dedicated slot)microSDXC (dedicated slot)
Connectivity
Speed
HSPA, LTEHSPA 42.2/5.76 Mbps, LTE Cat4 150/50 Mbps
WLAN
Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi DirectWi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct
Bluetooth
5.0, A2DP, LE5.0, A2DP, LE
USB
USB Type-C 2.0, OTGUSB Type-C 2.0
GPS
Yes, with A-GPS, GLONASS, GALILEO, BDSYes, with A-GPS, GLONASS, BDS
NFC
YesYes (market/region dependent)
Camera
Main Camera
Primary: 48 MP, f/2.0, 26mm (wide), 1/2.0", 0.8µm, PDAF

Secondary: 12 MP, f/2.2, 123" (ultrawide)

Third: 5 MP, f/2.4, (macro)

Forth: 5 MP, f/2.2, (depth)
Primary: 16 MP, f/1.8, (wide), 1/3.06", 1.0µm, PDAF

Secondary: 8 MP, f/2.2, (ultrawide), 1/4.0", 1.12µm

Third: 2 MP, f/2.4, (macro)

Forth: 2 MP, f/2.4, (depth)
Camera Features
LED flash, panorama, HDRLED flash, panorama, HDR
Video
4K@30fps, 1080p@30/120fps, gyro-EIS1080p@30fps
Selfie Camera
32 MP, f/2.2, 26mm (wide), 1/2.8", 0.8µm

Features: HDR

Video: 4K@30fps, 1080p@30fps
13 MP, f/2.0, (wide), 1/3.1", 1.12µm

Video: 1080p@30fps
Multimedia
Radio
FM radioFM radio
Software
Operating System (OS)
Android OS, v10Android OS, v10
Upgradable
Upgradable to Android 13
UI
One UI 5One UI 2.0
Hardware
Chipset
Exynos 9611 (10nm)Mediatek MT6765 Helio P35 (12nm)
CPU
Octa-core (4x2.3 GHz Cortex-A73 & 4x1.7 GHz Cortex-A53)Octa-core (4x2.35 GHz Cortex-A53 & 4x1.8 GHz Cortex-A53)
GPU
Mali-G72 MP3PowerVR GE8320
Sensors
Fingerprint (under display, optical), accelerometer, gyro, compassFingerprint (rear-mounted), accelerometer, gyro, proximity, compass
SIM
Single SIM (Nano-SIM)

Dual SIM (Nano-SIM, dual stand-by)
Single SIM (Nano-SIM)

Dual SIM (Nano-SIM, dual stand-by)
Speakers
YesYes
Audio Jack
3.5 mm3.5 mm
Benchmarks
Performance
AnTuTu: 113051 (v7), 175363 (v8)

GeekBench: 5401 (v4.4), 1294 (v5.1)

GFXBench: 5.6fps (ES 3.1 onscreen)
Battery
Battery Type
Li-Po 4000 mAh, non-removableLi-Po 4000 mAh, non-removable
Charging
15W wired15W wired
Talk Time
Up to 32 h (3G)
Music Play
Up to 87 h
Additional Features
Features
Virtual proximity sensing

ANT+
Misc
SAR EU
0.37 W/kg (head) 1.59 W/kg (body)

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