Side-by-side technical data
Samsung Galaxy A20s vs Samsung Galaxy A30s vs Samsung Galaxy A70s
Comparison between Samsung Galaxy A20s, Samsung Galaxy A30s and Samsung Galaxy A70s: camera, battery, fast charging, display, performance and colors, side by side. More phones from Samsung.
NeoTeo's verdict
Which of the two is the better buy
The Samsung Galaxy A70s is the most complete choice for anyone seeking display quality, performance, cameras and battery: its 6.7-inch Super AMOLED panel delivers 1080 × 2400 pixels and 393 ppi, while the A30s pairs Super AMOLED with 720 × 1560 pixels and 268 ppi, and the A20s uses a 6.5-inch IPS LCD with 720 × 1560 pixels and 264 ppi.
The A70s also leads in performance with 8GB of RAM, UFS 2.0 storage and a Snapdragon 675; the A30s has 4GB, eMMC 5.1 and an Exynos 7904, while the A20s has 4GB, eMMC 5.1 and a Snapdragon 450. For anyone who values a lighter phone, the A30s weighs 169 g versus 183 g for the A20s and 187 g for the A70s. The A30s and A70s also add Wi-Fi 5 and Bluetooth 5.0, compared with Wi-Fi 802.11 b/g/n and Bluetooth 4.2 on the A20s.
For photography, the A70s offers a 64MP main camera and 32MP front camera, plus 4K video at 30 fps and 240 fps slow motion; the A30s drops to 25MP and 16MP, with 4K at 30 fps, while the A20s has 13MP and 8MP. The A70s adds a 4500mAh battery and 25W charging, versus 4000mAh and 15W on both the A20s and A30s. The A20s is the better buy only if it costs less.
Samsung Galaxy A20s
The Samsung Galaxy A70s is the better buy for anyone seeking a sharper display, with 1080 × 2400 pixels and 393 ppi.
Samsung Galaxy A70s
The Samsung Galaxy A20s is the better buy only if it costs less; the A30s weighs 169 g and the A70s has 8GB of RAM.
The verdict
Your pick: Samsung Galaxy A70s, ahead on Design & display, Performance & hardware, Camera and Battery & charging.
| Category | Galaxy A20s | Galaxy A30s | Galaxy A70s |
|---|---|---|---|
| Design & display | 5.0 | 6.3 | 7.1 |
| Performance & hardware | 2.3 | 2.8 | 4.1 |
| Camera | 4.8 | 5.1 | 5.5 |
| Connectivity | 4.0 | 5.3 | 5.3 |
| Battery & charging | 3.7 | 3.7 | 4.8 |
Which one is for you?
Samsung Galaxy A30s, if you care about…
- Weight
- 169 g
- against 183 g · 187 g
Samsung Galaxy A70s, if you care about…
- Battery Capacity
- 4,500 mAh
- against 4,000 mAh · 4,000 mAh
- RAM Capacity
- 8 GB
- against 4 GB · 4 GB
- Storage Type
- UFS 2.0
- against eMMC 5.1 · eMMC 5.1
- Display Pixel Density
- 393 ppi
- against 264 ppi · 268 ppi
Specification comparison
Performance
| Specification | Galaxy A20s | Galaxy A30s | Galaxy A70s |
|---|---|---|---|
| Processor Model | Qualcomm Snapdragon 450 | Samsung Exynos 7904 | Qualcomm Snapdragon 675 |
| Processor Process Size | 14 nm | 14 nm | 11 nm Best value |
| Graphics GPU | Qualcomm Adreno 506 | ARM Mali-G71 MP2 | Qualcomm Adreno 612 |
| Storage Type | eMMC 5.1 | eMMC 5.1 | UFS 2.0 Best value |
| Maximum CPU Clock | 1.8 GHz | 1.8 GHz | 2 GHz Best value |
| Maximum Storage Capacity | 64 GB | 128 GB Best value | 128 GB Best value |
| AnTuTu Score | 75,800 | 155,235 | 212,000 |
| Geekbench 6 Single-Core | 168 | 286 | 652 Best value |
| Geekbench 6 Multi-Core | 762 | 937 | 1,609 Best value |
| CPU Description | Octa-core 1.8 GHz Cortex-A53 | Octa-core processor with 2 Cortex-A73 cores at 1.8 GHz and 6 Cortex-A53 cores at 1.6 GHz | Octa-core processor with 2x2.0 GHz Kryo 460 Gold cores and 6x1.7 GHz Kryo 460 Silver cores |
| Processor Type | Octa-Core | Octa-Core | Octa-Core |
| 64-Bit Processor | Yes | Yes | Yes |
| RAM Capacity | 4 GB | 4 GB | 8 GB Best value |
| RAM Type | DDR3 | DDR4 Best value | DDR4 Best value |
| Expandable Storage | Yes | Yes | Yes |
Design
| Specification | Galaxy A20s | Galaxy A30s | Galaxy A70s |
|---|---|---|---|
| Body Colors | Black, Blue, Red, Green | Black, White, Green, Purple | Red, White, Black |
| Body Thickness | 8 mm | 7.8 mm Best value | 7.9 mm |
| Body Width | 77.5 mm | 74.7 mm | 76.7 mm |
| Body Height | 163.3 mm | 158.5 mm | 164.3 mm |
| Weight | 183 g | 169 g Best value | 187 g |
| Usable Surface | 81.9 % | 84.9 % | 86 % Best value |
| Body Materials | Glass, Plastic | Glass, Plastic | Glass, Plastic |
Battery
| Specification | Galaxy A20s | Galaxy A30s | Galaxy A70s |
|---|---|---|---|
| Battery Capacity | 4,000 mAh | 4,000 mAh | 4,500 mAh Best value |
| Battery Type | Li-Polymer | Li-Po | Li-Polymer |
| Fast Charge Power | 15 W | 15 W | 25 W Best value |
| Battery Features | Fast Charging, Rechargeable, Battery Level Indicator | Fast Charging, Rechargeable, Battery Level Indicator | Fast Charging, Battery Level Indicator, Rechargeable |
Display
| Specification | Galaxy A20s | Galaxy A30s | Galaxy A70s |
|---|---|---|---|
| Display Aspect Ratio | 19.5:9 | 19.5:9 | 20:9 |
| Display Technology | IPS LCD | Super AMOLED Best value | Super AMOLED Best value |
| Display Diagonal | 6.5″ | 6.4″ | 6.7″ Best value |
| Display Horizontal Resolution | 720 px | 720 px | 1,080 px Best value |
| Display Vertical Resolution | 1,560 px | 1,560 px | 2,400 px Best value |
| Display Pixel Density | 264 ppi | 268 ppi | 393 ppi Best value |
| Display Refresh Rate | — | 60 Hz | — |
| Display Features | IPS LCD, Touchscreen | Gorilla Glass, Gorilla Glass 3, Touchscreen | Gorilla Glass, Touchscreen, AMOLED |
Sensors
| Specification | Galaxy A20s | Galaxy A30s | Galaxy A70s |
|---|---|---|---|
| Fingerprint Sensor Placement | Rear | Under Display | Under Display |
Sensor
| Specification | Galaxy A20s | Galaxy A30s | Galaxy A70s |
|---|---|---|---|
| Sensor Features | Fingerprint Sensor, Accelerometer, Gyroscope, Proximity Sensor, Compass | Fingerprint Sensor, Accelerometer, Gyroscope, Proximity Sensor, Compass | Fingerprint Sensor, Accelerometer, Gyroscope, Proximity Sensor, Compass |
Software
| Specification | Galaxy A20s | Galaxy A30s | Galaxy A70s |
|---|---|---|---|
| Operating System | Android 9 | Android 9 | Android 9 |
| OS Family | Android | Android | Android |
| OS Version | 9 | 9 | 9 |
Connectivity
| Specification | Galaxy A20s | Galaxy A30s | Galaxy A70s |
|---|---|---|---|
| SIM Configurations | Single Nano-SIM, Dual Nano-SIM | Single Nano-SIM, Dual Nano-SIM | Single Nano-SIM, Dual Nano-SIM, Dual SIM |
| Cellular Bands | 2G GSM 850, 2G GSM 900, 2G GSM 1800, 2G GSM 1900, 3G UMTS B5, 3G UMTS B8, 3G UMTS B2, 3G UMTS B1, 4G LTE B1, 4G LTE B2, 4G LTE B3, 4G LTE B5, 4G LTE B7, 4G LTE B8, 4G LTE B20, LTE B28, 4G LTE B34, 4G LTE B38, 4G LTE B39, 4G LTE B40, 4G LTE B41 | 2G GSM 850, 2G GSM 900, 2G GSM 1800, 2G GSM 1900, 3G UMTS B850, 3G UMTS B900, 3G UMTS 1700 AWS, 3G UMTS 1900, 3G UMTS 2100, 4G LTE B1, 4G LTE B2, 4G LTE B3, 4G LTE B4, 4G LTE B5, 4G LTE B7, 4G LTE B8, 4G LTE B12, 4G LTE B13, 4G LTE B17, 4G LTE B20, LTE B28, 4G LTE B38, 4G LTE B40, 4G LTE B41, 4G LTE B66 | 2G GSM 850, 2G GSM 900, 2G GSM 1800, 2G GSM 1900, 3G UMTS B5, 3G UMTS B8, 3G UMTS B2, 3G UMTS B1, 4G LTE B1, 4G LTE B3, 4G LTE B5, 4G LTE B7, 4G LTE B8, 4G LTE B20, 4G LTE B38, 4G LTE B40, 4G LTE B41 |
| Cellular Technologies | GSM, HSPA, LTE, 4G | GSM, HSPA, UMTS, LTE, 4G | GSM, HSPA, LTE, 4G |
| Wi-Fi Standards | Wi-Fi 802.11 b/g/n | Wi-Fi 4 (802.11n), Wi-Fi 5 (802.11ac), Wi-Fi 802.11a/b/g/n/ac Best value | Wi-Fi 4 (802.11n), Wi-Fi 5 (802.11ac) Best value |
| Wi-Fi Features | Wi-Fi 802.11 b/g/n, Wi-Fi Direct | Dual Band, Wi-Fi Direct | Dual Band, Wi-Fi Direct |
| Bluetooth Version | Bluetooth 4.2 | Bluetooth 5.0 Best value | Bluetooth 5.0 Best value |
| Bluetooth Profiles | A2DP, LE | A2DP, LE | A2DP, LE |
| Navigation Systems | GPS, GLONASS, Galileo, BeiDou | GPS, GLONASS, Galileo, BeiDou | GPS, GLONASS, Galileo, BeiDou |
| Connectivity Features | 3.5 mm Audio Jack, FM Radio, USB Type-C, USB 2.0 | 3.5 mm Audio Jack, NFC, FM Radio, USB Type-C, USB OTG, USB Charging, ANT+ | ANT+, NFC, FM Radio, USB Type-C, 3.5 mm Audio Jack |
| USB Version | USB 2.0 | USB 2.0 | USB 2.0 |
| SAR American Head | 0.69 W/kg Best value | 0.87 W/kg | — |
| SAR American Body | 1.43 W/kg | 0.43 W/kg Best value | — |
| SAR (EU) head | 0.35 W/kg Best value | 1.05 W/kg | 0.42 W/kg |
| SAR (EU) body | 0.83 W/kg Best value | 1.54 W/kg | 1.48 W/kg |
| Max. download speed | 150 Mbps | 450 Mbps | 600 Mbps Best value |
| Max. upload speed | 50 Mbps | 100 Mbps | 150 Mbps Best value |
Audio
| Specification | Galaxy A20s | Galaxy A30s | Galaxy A70s |
|---|---|---|---|
| Microphone Count | 2 | 2 | 2 |
| Audio Features | A2DP, LE, Loudspeaker | A2DP, LE, Loudspeaker | A2DP, LE, Loudspeaker |
Technical
| Specification | Galaxy A20s | Galaxy A30s | Galaxy A70s |
|---|---|---|---|
| Model numbers | SM-A207F, SM-A207M, SM-A2070 | SM-A307F, SM-A307FN, SM-A307G, SM-A307GN, SM-A307GT | SM-A707F, SM-A707FN, SM-A707GM, SM-A707MN, SM-A7070, SM-A707W |
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