Side-by-side technical data
Xiaomi Black Shark 2 vs Xiaomi Redmi K20
Comparison between Xiaomi Black Shark 2 and Xiaomi Redmi K20: camera, battery, fast charging, display, performance and colors, side by side. More phones from Xiaomi.
The verdict
Your pick: Xiaomi Redmi K20, ahead on Design & display, Camera and Connectivity. Unless Performance & hardware decides it for you.
| Category | Black Shark 2 | Redmi K20 |
|---|---|---|
| Design & display | 6.3 | 6.6 |
| Performance & hardware | 5.8 | 4.6 |
| Camera | 4.7 | 5.6 |
| Connectivity | 4.8 | 5.2 |
| Battery & charging | 4.0 | 3.7 |
Which one is for you?
Xiaomi Black Shark 2, if you care about…
- RAM Capacity
- 12 GB
- against 8 GB
- Fast Charge Power
- 27 W
- against 18 W
- Max. download speed
- 1,200 Mbps
- against 800 Mbps
- Max. upload speed
- 310 Mbps
- against 150 Mbps
Xiaomi Redmi K20, if you care about…
- Weight
- 191 g
- against 205 g
- Usable Surface
- 86.1 %
- against 81.7 %
Specification comparison
Performance
| Specification | Black Shark 2 | Redmi K20 |
|---|---|---|
| Processor Model | Qualcomm Snapdragon 855 | Qualcomm Snapdragon 730 |
| Processor Process Size | 7 nm Best value | 8 nm |
| Graphics GPU | Qualcomm Adreno 640 | Qualcomm Adreno 618 |
| Storage Type | UFS 2.1 | UFS 2.1 |
| Maximum CPU Clock | 2.84 GHz Best value | 2.2 GHz |
| Maximum Storage Capacity | 256 GB | 256 GB |
| AnTuTu Score | 343,460 | 261,545 |
| CPU Description | Octa-core: 1 × 2.84 GHz Kryo 485, 3 × 2.42 GHz Kryo 485, and 4 × 1.78 GHz Kryo 485 | Octa-core: 2 × 2.2 GHz Kryo 470 Gold and 6 × 1.8 GHz Kryo 470 Silver |
| Processor Type | Octa-Core | Octa-Core |
| 64-Bit Processor | Yes | Yes |
| RAM Capacity | 12 GB Best value | 8 GB |
| RAM Type | DDR4 | — |
| AnTuTu version | v7 | — |
Design
| Specification | Black Shark 2 | Redmi K20 |
|---|---|---|
| Body Colors | Black, Silver, Blue | Black, Red, Blue, White |
| Body Thickness | 8.8 mm | 8.8 mm |
| Body Width | 75 mm | 74.3 mm |
| Body Height | 163.6 mm | 156.7 mm |
| Weight | 205 g | 191 g Best value |
| Usable Surface | 81.7 % | 86.1 % Best value |
| Body Materials | Glass, Aluminium Alloy | Glass, Aluminium Alloy |
| Unfolded thickness | 8.8 mm | — |
Battery
| Specification | Black Shark 2 | Redmi K20 |
|---|---|---|
| Battery Capacity | 4,000 mAh | 4,000 mAh |
| Battery Type | Li-Ion | Li-Po |
| Fast Charge Power | 27 W Best value | 18 W |
| Battery Features | Fast Charging, Battery Level Indicator, Rechargeable | Fast Charging, Battery Level Indicator, Rechargeable |
Display
| Specification | Black Shark 2 | Redmi K20 |
|---|---|---|
| Display Aspect Ratio | 19.5:9 | 19.5:9 |
| Display Technology | AMOLED | Super AMOLED |
| Peak Display Brightness | — | 600 nits |
| Display Diagonal | 6.39″ | 6.39″ |
| Display Horizontal Resolution | 1,080 px | 1,080 px |
| Display Vertical Resolution | 2,340 px | 2,340 px |
| Display Pixel Density | 403 ppi | 403 ppi |
| Display Refresh Rate | 60 Hz | — |
| Display Contrast Ratio | — | 6,000 :1 |
| Display Features | Gorilla Glass 6, Always-On Display, Touchscreen | Gorilla Glass 5, HDR, Always-On Display, Capacitive Touch |
Sensors
| Specification | Black Shark 2 | Redmi K20 |
|---|---|---|
| Fingerprint Sensor Placement | Under Display | Under Display |
Sensor
| Specification | Black Shark 2 | Redmi K20 |
|---|---|---|
| Sensor Features | Fingerprint Sensor, Accelerometer, Gyroscope, Proximity Sensor, Compass | Fingerprint Sensor, Accelerometer, Gyroscope, Proximity Sensor, Compass |
Software
| Specification | Black Shark 2 | Redmi K20 |
|---|---|---|
| Operating System | Android 9 | Android 9 |
| OS Family | Android | Android |
| OS Version | 9 | 9 |
Connectivity
| Specification | Black Shark 2 | Redmi K20 |
|---|---|---|
| SIM Configurations | Dual Nano-SIM | Dual Nano-SIM |
| Cellular Bands | 2G GSM 850, 2G GSM 900, 2G GSM 1800, 2G GSM 1900, 3G UMTS B850, 3G UMTS B900, 3G UMTS 1900, 3G UMTS 2100, 4G LTE B1, 4G LTE B3, 4G LTE B4, 4G LTE B5, 4G LTE B7, 4G LTE B8, 4G LTE B20, 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 1900, 3G UMTS 2100, 4G LTE B1, 4G LTE B3, 4G LTE B5, 4G LTE B7, 4G LTE B8, 4G LTE B34, 4G LTE B38, 4G LTE B39, 4G LTE B40, 4G LTE B41 |
| Cellular Technologies | GSM, CDMA, HSPA, EVDO, LTE, 4G | GSM, HSPA, LTE, 4G |
| Wi-Fi Standards | Wi-Fi 802.11a/b/g/n/ac, Wi-Fi 4 (802.11n), Wi-Fi 5 (802.11ac) | Wi-Fi 802.11a/b/g/n/ac |
| Wi-Fi Features | Dual Band, Wi-Fi Direct | Dual Band, Wi-Fi Direct |
| Bluetooth Version | Bluetooth 5.0 | Bluetooth 5.0 |
| Bluetooth Profiles | A2DP, aptX HD, LE | A2DP, LE, aptX HD |
| Navigation Systems | GPS, GLONASS, BeiDou | GPS, GLONASS, Galileo, BeiDou Best value |
| Connectivity Features | USB Type-C, USB 2.0, DLNA, Infrared, FM Radio | 3.5 mm Audio Jack, FM Radio, USB Type-C, USB OTG, USB 2.0, DLNA, NFC |
| USB Version | USB 2.0 | USB 2.0 |
| SAR American Head | — | 1.07 W/kg |
| SAR American Body | — | 0.72 W/kg |
| Max. download speed | 1,200 Mbps Best value | 800 Mbps |
| Max. upload speed | 310 Mbps Best value | 150 Mbps |
Audio
| Specification | Black Shark 2 | Redmi K20 |
|---|---|---|
| Microphone Count | 2 | 2 |
| Audio Features | A2DP, aptX HD, LE, Stereo Speakers Best value | A2DP, LE, aptX HD, Loudspeaker, 24-bit/192kHz Audio, Hi-Res Audio |
Technical
| Specification | Black Shark 2 | Redmi K20 |
|---|---|---|
| Model numbers | SKW-H0, SKW-A0 | M1903F10I |