Samsung Galaxy A51 vs Samsung Galaxy A02s 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.
|
|
|
| Samsung Galaxy A51 | Samsung Galaxy A02s |
|
Released
·
Dec 27, 2019
|
Released
·
Jan 04, 2021
|
|
6.5-inch · 2400x1080px
|
6.5-inch · 1600x720px
|
|
Quad camera
|
Triple camera
|
|
4GB · 128GB
|
3GB · 32GB
|
|
4000 mAh
|
5000 mAh
|
| Check prices | |
| Check Accessories | Check Accessories |
Availability
| Officially announced | |
|---|---|
| Dec 12, 2019 | Nov 24, 2020 |
| Prices (MSRP) | |
| $400 | |
Design
| Dimensions | |
|---|---|
| 6.24 x 2.90 x 0.31 inches 158.5 x 73.6 x 7.9 mm |
6.46 x 2.99 x 0.36 inches 164.2 x 75.9 x 9.1 mm |
| Weight | |
| 6.07 oz / 172.0 g | 6.91 oz / 196.0 g |
| Materials | |
| Back: Plastic Frame: Plastic | Back: Plastic Frame: Plastic |
| Biometrics | |
| 2D Face unlock, Optical in-screen fingerprint | |
| Keys | |
| Right: Volume control, Lock/Unlock key | Right: Volume control, Lock/Unlock key |
| Colors | |
| Prism Crush black, Prism Crush white, Prism Crush pink, Prism Crush blue | Black, White, Blue |
Display
| Size | |
|---|---|
| 6.5-inch, 87.37% screen-to-body | 6.5-inch, 81.80% screen-to-body |
| Type | |
| Super AMOLED, 60Hz | IPS LCD, 60Hz |
| Resolution | |
| 2400x1080px, 20:9 ratio, 405 PPI | 1600x720px, 20:9 ratio, 270 PPI |
| Protection | |
| Corning Gorilla Glass 3 | |
PhoneArena Display Test
| Bright Max (20% APL) | |
|---|---|
| Untested | Untested |
| Bright Min | |
| 1.7 (Good) | Untested |
Learn more on our
PhoneArena Display Test Results page.
Hardware
| System chip | |
|---|---|
| Samsung Exynos 9611 (10 nm) | Snapdragon 450 SDM450 (14 nm) |
| Processor | |
| Octa-core 2300 MHz 4x2.3GHz Cortex-A73 4x1.7GHz Cortex-A53 |
Octa-core 8x1.8GHz Cortex-A53 |
| GPU | |
| Mali-G72 MP3 | Adreno 506 |
| Memory | |
| 4GB (LPDDR4)/128GB 6GB/128GB |
3GB/32GB (eMMC 5.1) 4GB/64GB |
| Storage expansion | |
| microSDXC up to 512 GB | microSDXC up to 1024 GB |
| OS | |
| Android (11, 10) | Android (12, 11, 10) |
Battery
| Type | |
|---|---|
| 4000 mAh, Li - Polymer | 5000 mAh, Li - Polymer |
| Charging | |
| Fast charging | Samsung Adaptive Fast Charging |
| Charge speed | |
| Wired: 15.0W | |
Battery Life Estimate
5h 22min
Browsing
11h 35min
Video
8h 35min
Gaming
6h 40min
Battery Life Estimate
Untested
Browsing
Untested
Video
Untested
Gaming
Untested
Camera
| Rear | |
|---|---|
| Quad camera | Triple camera |
| Main camera | |
| 48 MP (PDAF) Aperture size: F2.0 Focal length: 26 mm Sensor size: 1/2" Pixel size: 0.8 μm |
13 MP (Autofocus) Aperture size: F2.2 |
| Second camera | |
| 12 MP (Ultra-wide) Aperture size: F2.2 Focal Length: 13 mm Pixel size: 1.12 μm |
2 MP (Macro) Aperture size: F2.4 |
| Third camera | |
| 5 MP (Macro) Aperture size: F2.4 Focal Length: 40 mm |
2 MP (Depth information) Aperture size: F2.4 |
| Fourth camera | |
| 5 MP (Depth information) Aperture size: F2.2 Sensor size: 1/5" Pixel size: 1.12 μm |
|
| Flash | |
| LED | LED |
| Video recording | |
| 4K UHD (30 fps), 1080p (120 fps), 720p (240 fps) Hyperlapse, EIS |
1080p (30 fps) |
| Front | |
| 32 MP (HDR) Video capture: 1080p (30 fps) |
5 MP |
Connectivity & Features
| Bluetooth | |
|---|---|
| 5.0 | 4.2 |
| WLAN | |
| dual-band Wi-Fi Direct, Hotspot 802.11 a, b, g, n, ac |
Yes Wi-Fi Direct, Hotspot 802.11 b, g, n |
| USB | |
| Type-C, USB 2.0 | Type-C, USB 2.0 |
| Sensors | |
| Accelerometer, Gyroscope, Compass, Hall (for flip covers), Ambient light sensor, Proximity sensor | Accelerometer, Ambient light sensor, Proximity sensor |
| Location | |
| GPS, A-GPS, Glonass, Galileo, BeiDou, Cell ID, Wi-Fi positioning | GPS, A-GPS, Cell ID, Wi-Fi positioning |
| Other | |
| 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 | |
| Additional microphone(s) | |
| Noise cancellation | Noise cancellation |
Cellular
| LTE Bands | |
|---|---|
| 1, 2, 3, 4, 5, 7, 8, 12, 13, 14, 20, 25, 26, 28, 29, 30, 66, 71 Europe version - 1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 20, 26, 28, 66 |
1, 3, 5, 7, 8, 20, 28 |
| TDD Bands | |
| 38, 39, 41 Europe version - 38, 40, 41 |
38, 40, 41 |
| 3G Bands | |
| 1, 2, 4, 5, 8 | 1, 5, 8 |
| Data Speed | |
| LTE-A, HSDPA+ (4G) 42.2 Mbit/s, HSUPA 5.76 Mbit/s | LTE Cat 4 (150/50 Mbit/s), HSDPA+ (4G) 42.2 Mbit/s, HSUPA 5.76 Mbit/s |
| Dual SIM | |
| Yes | |
| SIM type | |
| Nano SIM | Nano SIM |
Regulatory Approval
| FCC approval | |
|---|---|
| Date approved: Nov 28, 2019 FCC ID value: A3LSMA515FN | Date approved: Feb 07, 2021 FCC ID value: ZCASMA025U |
| Measured SAR | |
| Head: 0.89 W/kg Body: 1.18 W/kg Simultaneous Transmission: 1.56 W/kg Wireless Router: 1.12 W/kg Phablet: 2.76 W/kg |
Head: 1.00 W/kg Body: 0.85 W/kg Simultaneous Transmission: 1.40 W/kg Wireless Router: 0.85 W/kg |
Alternative variants
with 128GB storage
| Memory | 6GB/128GB |
|---|---|
with 64GB storage
| Memory | 4GB/64GB |
|---|---|
for Verizon
| LTE Bands | 2, 3, 4, 5, 7, 13, 20, 28, 66 |
|---|---|
| 3G Bands | 5, 8, 2, 1 |
for AT&T
| LTE Bands | 2, 4, 5, 12, 13, 25, 26, 66, 71 |
|---|---|
| TDD Bands | 41 |
for Sprint
| LTE Bands | 2, 4, 5, 12, 13, 25, 26, 66, 71 |
|---|---|
| TDD Bands | 41 |
for Europe
| LTE Bands | 1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 20, 26, 28, 66 |
|---|---|
| TDD Bands | 38, 40, 41 |
| Dual SIM | Yes |
Discover more
|
|