Side-by-side technical data
Xiaomi Redmi K40 Pro Plus vs Xiaomi Redmi 8
Comparison between Xiaomi Redmi K40 Pro Plus and Xiaomi Redmi 8: camera, battery, fast charging, display, performance and colors, side by side. More phones from Xiaomi.
The verdict
Your pick: Xiaomi Redmi K40 Pro Plus, ahead on Design & display, Performance & hardware, Camera and Connectivity. Unless Battery & charging decides it for you.
| Category | Redmi K40 Pro Plus | Redmi 8 |
|---|---|---|
| Design & display | 7.2 | 4.5 |
| Performance & hardware | 7.2 | 2.5 |
| Camera | 6.2 | 3.6 |
| Connectivity | 7.3 | 3.9 |
| Battery & charging | 4.9 | 5.4 |
Which one is for you?
Xiaomi Redmi K40 Pro Plus, if you care about…
- RAM Capacity
- 12 GB
- against 4 GB
- Wi-Fi Standards
- Wi-Fi 4 (802.11n), Wi-Fi 5 (802.11ac), Wi-Fi 6 (802.11ax), Wi-Fi 6E
- against Wi-Fi 802.11 b/g/n, Wi-Fi 4 (802.11n)
- Storage Type
- UFS 3.1
- against eMMC 5.1
- Display Technology
- Super AMOLED
- against IPS LCD
Xiaomi Redmi 8, if you care about…
- Battery Capacity
- 5,000 mAh
- against 4,520 mAh
- Weight
- 188 g
- against 196 g
Specification comparison
Performance
| Specification | Redmi K40 Pro Plus | Redmi 8 |
|---|---|---|
| Processor Model | Qualcomm Snapdragon 888 | Qualcomm Snapdragon 439 |
| Processor Process Size | 5 nm Best value | 12 nm |
| Graphics GPU | Qualcomm Adreno 660 | Qualcomm Adreno 505 |
| Storage Type | UFS 3.1 Best value | eMMC 5.1 |
| Maximum CPU Clock | 2.84 GHz Best value | 1.95 GHz |
| Maximum Storage Capacity | 256 GB Best value | 64 GB |
| AnTuTu Score | 903,172 | 89,903 |
| Geekbench 6 Single-Core | 1,002 Best value | 492 |
| Geekbench 6 Multi-Core | 3,014 Best value | 1,701 |
| CPU Description | Octa-core CPU with 1 Cortex-X1 core at 2.84 GHz, 3 Cortex-A78 cores at 2.42 GHz, and 4 Cortex-A55 cores at 1.80 GHz. | Octa-core CPU with 4 Cortex-A53 cores at 1.95 GHz and 4 Cortex-A53 cores at 1.45 GHz. |
| Processor Type | Octa-Core | Octa-Core |
| 64-Bit Processor | Yes | Yes |
| RAM Capacity | 12 GB Best value | 4 GB |
| RAM Type | LPDDR5 Best value | DDR3 |
| AnTuTu version | v10 | — |
Design
| Specification | Redmi K40 Pro Plus | Redmi 8 |
|---|---|---|
| Body Colors | Black, White, Aurora, Purple | Black, Red, Blue |
| Body Thickness | 7.8 mm Best value | 9.4 mm |
| Body Width | 76.4 mm | 75.4 mm |
| Body Height | 163.7 mm | 156.5 mm |
| Weight | 196 g | 188 g Best value |
| Usable Surface | 85.9 % Best value | 81.8 % |
| Body Materials | Plastic, Glass | Glass, Plastic |
| Resistance Features | IP53 | Water Resistant |
Battery
| Specification | Redmi K40 Pro Plus | Redmi 8 |
|---|---|---|
| Battery Capacity | 4,520 mAh | 5,000 mAh Best value |
| Battery Type | Li-Polymer | Li-Polymer |
| Fast Charge Power | 33 W Best value | 18 W |
| Battery Features | Non-Removable, Fast Charging, Rechargeable, Battery Level Indicator | Fast Charging, Battery Level Indicator, Rechargeable |
Display
| Specification | Redmi K40 Pro Plus | Redmi 8 |
|---|---|---|
| Display Aspect Ratio | 20:9 | 19:9 |
| Display Technology | Super AMOLED Best value | IPS LCD |
| Peak Display Brightness | 1,300 nits Best value | 400 nits |
| Display Diagonal | 6.67″ Best value | 6.22″ |
| Display Horizontal Resolution | 1,080 px Best value | 720 px |
| Display Vertical Resolution | 2,400 px Best value | 1,520 px |
| Display Pixel Density | 395 ppi Best value | 270 ppi |
| Display Refresh Rate | 120 Hz Best value | 60 Hz |
| Touch Sampling Rate | 360 Hz | — |
| Display Contrast Ratio | 5,000,000 :1 | — |
| Display Features | Gorilla Glass 5, HDR10+, Hole-Punch Notch, Capacitive Touch, Multi-Touch, Scratch Resistant, Frameless | Gorilla Glass 5, IPS LCD, Touchscreen |
Sensors
| Specification | Redmi K40 Pro Plus | Redmi 8 |
|---|---|---|
| Fingerprint Sensor Placement | Side | Rear |
Sensor
| Specification | Redmi K40 Pro Plus | Redmi 8 |
|---|---|---|
| Sensor Features | Accelerometer, Gyroscope, Proximity Sensor, Compass, Barometer, Fingerprint Sensor, Light Sensor, RGB Sensor, Cooling System, Virtual Proximity Sensing | Fingerprint Sensor, Accelerometer, Proximity Sensor, Compass |
Software
| Specification | Redmi K40 Pro Plus | Redmi 8 |
|---|---|---|
| Operating System | Android 11 | Android 9 |
| OS Family | Android | Android |
| OS Version | 11 Best value | 9 |
| Widevine L1 | Yes | — |
Connectivity
| Specification | Redmi K40 Pro Plus | Redmi 8 |
|---|---|---|
| SIM Configurations | Dual Nano-SIM, Dual SIM Dual Standby | 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 B18, 4G LTE B19, 4G LTE B20, 4G LTE B26, LTE B28, 4G LTE B34, 4G LTE B38, 4G LTE B39, 4G LTE B40, 4G LTE B41, 4G LTE B42, 5G NR n1, 5G NR n3, 5G NR n28, 5G NR n41, 5G NR n77, 5G NR n78 | 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 B20, 4G LTE B38, 4G LTE B40 |
| Cellular Technologies | GSM, CDMA, HSPA, CDMA2000, LTE, 5G Best value | GSM, HSPA, UMTS, LTE, 4G |
| Wi-Fi Standards | Wi-Fi 4 (802.11n), Wi-Fi 5 (802.11ac), Wi-Fi 6 (802.11ax), Wi-Fi 6E Best value | Wi-Fi 802.11 b/g/n, Wi-Fi 4 (802.11n) |
| Wi-Fi Features | Dual Band, Wi-Fi Direct, Wi-Fi Hotspot, Wi-Fi Display, MIMO | Wi-Fi Direct, Wi-Fi 802.11 b/g/n |
| Bluetooth Version | Bluetooth 5.2 Best value | Bluetooth 4.2 |
| Bluetooth Profiles | A2DP, LE | A2DP, LE |
| Navigation Systems | GPS, A-GPS, GLONASS, BeiDou, Galileo, QZSS, NavIC Best value | GPS, GLONASS, Galileo, BeiDou |
| Connectivity Features | USB Charging, USB Mass Storage, USB OTG, USB Type-C, NFC, Infrared, Computer Sync, OTA Sync, Tethering, VoLTE | 3.5 mm Audio Jack, Infrared, FM Radio, USB Type-C, USB OTG, USB Charging |
| USB Version | USB 2.0 | USB 2.0 |
| SAR American Head | — | 0.34 W/kg |
| SAR American Body | — | 1 W/kg |
| SAR (EU) head | — | 0.23 W/kg |
| SAR (EU) body | — | 1.48 W/kg |
| Max. download speed | 7,500 Mbps Best value | 150 Mbps |
| Max. upload speed | 3,000 Mbps Best value | 75 Mbps |
Audio
| Specification | Redmi K40 Pro Plus | Redmi 8 |
|---|---|---|
| Microphone Count | 2 | 2 |
| Audio Features | Stereo Speakers, Dolby Atmos, Hi-Res Audio, Two Microphones, A2DP, LE Best value | A2DP, LE, Loudspeaker |
Technical
| Specification | Redmi K40 Pro Plus | Redmi 8 |
|---|---|---|
| Model numbers | — | M1908C3IC, MZB8255IN, M1908C3IG, M1908C3IH |