Side-by-side technical data
Xiaomi Mi 8 vs Xiaomi Redmi K20
Comparison between Xiaomi Mi 8 and Xiaomi Redmi K20: camera, battery, fast charging, display, performance and colors, side by side. More phones from Xiaomi.
The verdict
Neither runs away with it: each wins something.
| Category | Mi 8 | Redmi K20 |
|---|---|---|
| Design & display | 6.9 | 6.6 |
| Performance & hardware | 5.1 | 4.6 |
| Camera | 5.5 | 5.6 |
| Connectivity | 5.4 | 5.2 |
| Battery & charging | 2.9 | 3.7 |
Which one is for you?
Xiaomi Mi 8, if you care about…
- Weight
- 175 g
- against 191 g
- Body Thickness
- 7.6 mm
- against 8.8 mm
- Max. download speed
- 1,200 Mbps
- against 800 Mbps
Xiaomi Redmi K20, if you care about…
- Battery Capacity
- 4,000 mAh
- against 3,400 mAh
- Display Vertical Resolution
- 2,340 px
- against 2,248 px
- OS Version
- 9
- against 8
Specification comparison
Performance
| Specification | Mi 8 | Redmi K20 |
|---|---|---|
| Processor Model | Qualcomm Snapdragon 845 | Qualcomm Snapdragon 730 |
| Processor Process Size | 10 nm | 8 nm Best value |
| Graphics GPU | Qualcomm Adreno 630 | Qualcomm Adreno 618 |
| Storage Type | UFS 2.1 | UFS 2.1 |
| Maximum CPU Clock | 2.8 GHz Best value | 2.2 GHz |
| Maximum Storage Capacity | 256 GB | 256 GB |
| AnTuTu Score | 341,687 | 261,545 |
| CPU Description | Octa-core: 4 × 2.8 GHz Kryo 385 Gold and 4 × 1.8 GHz Kryo 385 Silver | 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 | 8 GB | 8 GB |
| RAM Type | DDR4 | — |
| AnTuTu version | v8 | — |
Design
| Specification | Mi 8 | Redmi K20 |
|---|---|---|
| Body Colors | Black, Blue, White, Gold | Black, Red, Blue, White |
| Body Thickness | 7.6 mm Best value | 8.8 mm |
| Body Width | 74.8 mm | 74.3 mm |
| Body Height | 154.9 mm | 156.7 mm |
| Weight | 175 g Best value | 191 g |
| Usable Surface | 83.8 % | 86.1 % Best value |
| Body Materials | Glass, Aluminium Alloy | Glass, Aluminium Alloy |
Battery
| Specification | Mi 8 | Redmi K20 |
|---|---|---|
| Battery Capacity | 3,400 mAh | 4,000 mAh Best value |
| Battery Type | Li-Po | Li-Po |
| Fast Charge Power | 18 W | 18 W |
| Battery Features | Fast Charging, Battery Level Indicator, Rechargeable | Fast Charging, Battery Level Indicator, Rechargeable |
Display
| Specification | Mi 8 | Redmi K20 |
|---|---|---|
| Display Aspect Ratio | 18.7:9 | 19.5:9 |
| Display Technology | Super AMOLED | Super AMOLED |
| Peak Display Brightness | — | 600 nits |
| Display Diagonal | 6.21″ | 6.39″ Best value |
| Display Horizontal Resolution | 1,080 px | 1,080 px |
| Display Vertical Resolution | 2,248 px | 2,340 px Best value |
| Display Pixel Density | 402 ppi | 403 ppi Best value |
| Display Refresh Rate | 60 Hz | — |
| Display Contrast Ratio | — | 6,000 :1 |
| Display Features | Gorilla Glass 5, Always-On Display, Capacitive Touch | Gorilla Glass 5, HDR, Always-On Display, Capacitive Touch |
Sensors
| Specification | Mi 8 | Redmi K20 |
|---|---|---|
| Fingerprint Sensor Placement | Rear | Under Display |
Sensor
| Specification | Mi 8 | Redmi K20 |
|---|---|---|
| Sensor Features | Fingerprint Sensor, Accelerometer, Gyroscope, Proximity Sensor, Barometer, Compass | Fingerprint Sensor, Accelerometer, Gyroscope, Proximity Sensor, Compass |
Software
| Specification | Mi 8 | Redmi K20 |
|---|---|---|
| Operating System | Android 8.1 | Android 9 |
| OS Family | Android | Android |
| OS Version | 8 | 9 Best value |
Connectivity
| Specification | Mi 8 | 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 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 B17, 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, 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, DLNA, Wi-Fi Password Sharing | Dual Band, Wi-Fi Direct |
| Bluetooth Version | Bluetooth 5.0 | Bluetooth 5.0 |
| Bluetooth Profiles | A2DP, LE, aptX HD | A2DP, LE, aptX HD |
| Navigation Systems | GPS, GLONASS, BeiDou, Galileo, QZSS Best value | GPS, GLONASS, Galileo, BeiDou |
| Connectivity Features | NFC, USB Type-C, DLNA | 3.5 mm Audio Jack, FM Radio, USB Type-C, USB OTG, USB 2.0, DLNA, NFC |
| USB Version | USB Type-C | USB 2.0 |
| SAR American Head | 0.7 W/kg Best value | 1.07 W/kg |
| SAR American Body | 1.66 W/kg | 0.72 W/kg Best value |
| SAR (EU) head | 1.01 W/kg | — |
| SAR (EU) body | 1.32 W/kg | — |
| Max. download speed | 1,200 Mbps Best value | 800 Mbps |
| Max. upload speed | 150 Mbps | 150 Mbps |
Audio
| Specification | Mi 8 | Redmi K20 |
|---|---|---|
| Microphone Count | 2 | 2 |
| Audio Features | Loudspeaker | A2DP, LE, aptX HD, Loudspeaker, 24-bit/192kHz Audio, Hi-Res Audio |
Technical
| Specification | Mi 8 | Redmi K20 |
|---|---|---|
| Model numbers | M1803E1A | M1903F10I |
