Samsung Galaxy A21 vs Samsung Galaxy A51 5G Specs Comparison
Compare mobile phone specifications of up to three devices at once. Our specs comparison tool helps you find and compare the perfect phone for your needs.
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| Samsung Galaxy A21 | Samsung Galaxy A51 5G |
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Released
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Jun 29, 2020
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Released
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Apr 29, 2020
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6.5-inch · 1600x720px
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6.5-inch · 2400x1080px
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Quad camera
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Quad camera
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3GB · 32GB
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6GB · 128GB
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4000 mAh
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4500 mAh
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| Check Accessories | Check Accessories |
Availability
| Officially announced | |
|---|---|
| Apr 08, 2020 | Apr 08, 2020 |
| Prices (MSRP) | |
| $250 | $500 |
Design
| Dimensions | |
|---|---|
| 6.61 x 3.02 x 0.32 inches 167.8 x 76.7 x 8.1 mm |
6.26 x 2.90 x 0.34 inches 158.9 x 73.6 x 8.7 mm |
| Weight | |
| 6.81 oz / 193.0 g | 6.60 oz / 187.0 g |
| Materials | |
| Back: Plastic Frame: Plastic |
Back: Plastic Frame: Aluminum |
| Biometrics | |
| Fingerprint (touch) | 2D Face unlock, Optical in-screen fingerprint |
| Keys | |
| Right: Volume control, Lock/Unlock key | Right: Volume control, Lock/Unlock key |
| Colors | |
| Black | Prism cube black |
Display
| Size | |
|---|---|
| 6.5-inch, 79.20% screen-to-body | 6.5-inch, 87.37% screen-to-body |
| Type | |
| IPS LCD, 60Hz | Super AMOLED, 60Hz |
| Resolution | |
| 1600x720px, 20:9 ratio, 270 PPI | 2400x1080px, 20:9 ratio, 405 PPI |
| Protection | |
| Corning Gorilla Glass 3 | |
Hardware
| System chip | |
|---|---|
| Mediatek Helio P35 MT6765 (12 nm) | Samsung Exynos 980 (8 nm) |
| Processor | |
| Octa-core 4x2.3GHz Cortex-A53 4x1.8GHz Cortex-A53 |
Octa-core 2x2.2GHz Cortex-A77 6x1.8GHz Cortex-A55 |
| GPU | |
| PowerVR GE8320 | Mali-G76 MP5 |
| Memory | |
| 3GB (LPDDR4)/32GB (eMMC 5.1) | 6GB (LPDDR4)/128GB 8GB/128GB |
| Storage expansion | |
| microSDXC up to 512 GB | microSDXC up to 1000 GB |
| OS | |
| Android (10) | Android (11, 10) |
Battery
| Type | |
|---|---|
| 4000 mAh, Li - Polymer | 4500 mAh, Li - Polymer |
| Charging | |
| Fast charging | Fast charging |
| Charge speed | |
| Wired: 15.0W | Wired: 25.0W |
Camera
| Rear | |
|---|---|
| Quad camera | Quad camera |
| Main camera | |
| 16 MP (PDAF) Aperture size: F1.8 Sensor size: 1/3.06" Pixel size: 1 μm |
48 MP (PDAF) Aperture size: F2.0 Focal length: 26 mm Sensor size: 1/2" Pixel size: 0.8 μm |
| Second camera | |
| 8 MP (Ultra-wide) Aperture size: F2.2 Sensor size: 1/4" Pixel size: 1.12 μm | 12 MP (Ultra-wide) Aperture size: F2.2 Focal Length: 13 mm Pixel size: 1.12 μm |
| Third camera | |
| 2 MP (Macro) Aperture size: F2.4 | 5 MP (Macro) Aperture size: F2.4 Focal Length: 40 mm |
| Fourth camera | |
| 2 MP (Depth information) Aperture size: F2.4 |
5 MP (Depth information) Aperture size: F2.2 Sensor size: 1/5" Pixel size: 1.12 μm |
| Flash | |
| LED | LED |
| Video recording | |
| 1080p (30 fps) | 4K UHD (30 fps), 1080p (120 fps), 720p (480 fps) Hyperlapse, EIS |
| Front | |
| 13 MP Video capture: 1080p (30 fps) | 32 MP (HDR) Video capture: 1080p (30 fps) |
Connectivity & Features
| Bluetooth | |
|---|---|
| 5.0 | 5.0 |
| WLAN | |
| dual-band Wi-Fi Direct, Hotspot 802.11 a, b, g, n, ac | dual-band Wi-Fi Direct, Hotspot 802.11 a, b, g, n, ac |
| USB | |
| Type-C, USB 2.0 | Type-C, USB 2.0 |
| Sensors | |
| Accelerometer, Gyroscope, Compass, Ambient light sensor, Proximity sensor | Accelerometer, Gyroscope, Compass, Hall (for flip covers), Ambient light sensor, Proximity sensor |
| Hearing aid compatible | |
| M4/T3 | M3/T3 |
| Location | |
| GPS, A-GPS, Glonass, BeiDou, Cell ID, Wi-Fi positioning | GPS, A-GPS, Glonass, Galileo, BeiDou, Cell ID, Wi-Fi positioning |
| Other | |
| NFC | NFC, ANT+ |
Multimedia
| Headphones | |
|---|---|
| 3.5mm jack | 3.5mm jack |
| Speakers | |
| Earpiece, Loudspeaker | Earpiece, Loudspeaker |
| Features | |
| Dolby Atmos | |
| Screen mirroring | |
| Wireless screen share | Wireless screen share |
| Radio | |
| FM | FM |
| Additional microphone(s) | |
| Noise cancellation | |
Cellular
| 5G Bands | |
|---|---|
| n41, n71, SA, NSA Europe version - n41, n78, SA, NSA |
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| LTE Bands | |
| 1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 20, 25, 26, 28, 66, 71 | 1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 20, 25, 26, 28, 66, 71 Europe version - 1, 3, 4, 5, 7, 8, 12, 20, 28 |
| TDD Bands | |
| 38, 39, 40, 41 | 38, 39, 40, 41 Europe version - 38, 40, 41 |
| 3G Bands | |
| 1, 2, 4, 5, 8 | 1, 2, 4, 5 Europe version - 5, 8, 2, 1 |
| Data Speed | |
| LTE-A Cat 6 (300/50 Mbit/s), HSDPA+ (4G) 42.2 Mbit/s, HSUPA 5.76 Mbit/s | LTE-A Pro Cat 16 (1000/150 Mbit/s), HSDPA+ (4G) 42.2 Mbit/s, HSUPA 5.76 Mbit/s |
| SIM type | |
| Nano SIM | |
| HD Voice | |
| Yes | Yes |
Regulatory Approval
| FCC approval | |
|---|---|
| Date approved: Apr 17, 2020 FCC ID value: ZCASMA215U | Date approved: Jul 15, 2020 FCC ID value: A3LSMA516U |
| Measured SAR | |
| Head: 0.42 W/kg Body: 1.27 W/kg Simultaneous Transmission: 1.27 W/kg Wireless Router: 1.27 W/kg |
Head: 1.18 W/kg Body: 1.20 W/kg Simultaneous Transmission: 3.25 W/kg Wireless Router: 1.37 W/kg |
Alternative variants
for Verizon
| LTE Bands | 1, 2, 3, 5, 7, 8, 20, 28 |
|---|---|
| TDD Bands | 38, 40, 41 |
| 3G Bands | 5, 8, 2, 1 |
with 8GB RAM
| Memory | 8GB |
|---|---|
for Sprint
| LTE Bands | 2, 3, 4, 5, 7, 12, 13, 25, 26, 66, 71 |
|---|---|
| TDD Bands | 41 |
for Europe
| Colors | Prism cube black, Prism cube white |
|---|---|
| 5G Bands | n41, n78, SA, NSA |
| LTE Bands | 1, 3, 4, 5, 7, 8, 12, 20, 28 |
| TDD Bands | 38, 40, 41 |
| 3G Bands | 5, 8, 2, 1 |
| Dual SIM | Yes |
| SIM type | Nano SIM |
for Verizon
| System chip | Snapdragon 765G SM7250-AB (7 nm) |
|---|---|
| Processor |
Octa-core 2400 MHz Kryo 475 |
| GPU | Adreno 620 |
| Colors | Prism bricks blue |
| 5G Bands | n260, n261, mmWave |
| LTE Bands | 2, 3, 4, 5, 7, 12, 13, 20, 28, 66 |
| 3G Bands | 5, 8, 2, 1 |
| FCC approval |
Date approved: Jul 20, 2020 FCC ID value: A3LSMA516V |
| Measured SAR |
Head: 0.32 W/kg Body: 1.32 W/kg Simultaneous Transmission: 3.01 W/kg Wireless Router: 1.37 W/kg Phablet: 3.91 W/kg |
| Prices (MSRP) | $550 |
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