Side-by-side technical data
Xiaomi Redmi K30 vs Samsung Galaxy M21
Comparison between Xiaomi Redmi K30 and Samsung Galaxy M21: camera, battery, fast charging, display, performance and colors, side by side. More phones from Xiaomi and Samsung.
The verdict
Neither runs away with it: each wins something.
| Category | Redmi K30 | Galaxy M21 |
|---|---|---|
| Design & display | 6.4 | 6.3 |
| Performance & hardware | 4.0 | 3.4 |
| Camera | 5.4 | 5.3 |
| Connectivity | 5.6 | 5.5 |
| Battery & charging | 4.8 | 5.9 |
Which one is for you?
Xiaomi Redmi K30, if you care about…
- AnTuTu Score
- 272,229
- against 186,282
- RAM Capacity
- 8 GB
- against 6 GB
- Maximum Storage Capacity
- 256 GB
- against 128 GB
- Fast Charge Power
- 27 W
- against 15 W
Samsung Galaxy M21, if you care about…
- Battery Capacity
- 6,000 mAh
- against 4,500 mAh
- Display Technology
- Super AMOLED
- against IPS LCD
- Weight
- 188 g
- against 208 g
- Google Services
- Yes
- against No
Specification comparison
Performance
| Specification | Redmi K30 | Galaxy M21 |
|---|---|---|
| Processor Model | Qualcomm Snapdragon 730G | Samsung Exynos 9611 |
| Processor Process Size | 8 nm Best value | 10 nm |
| Graphics GPU | Qualcomm Adreno 618 | Mali-G72 MP3 |
| Storage Type | UFS 2.1 | UFS 2.1 |
| Maximum CPU Clock | 2.2 GHz | 2.3 GHz Best value |
| Maximum Storage Capacity | 256 GB Best value | 128 GB |
| AnTuTu Score | 272,229 Best value | 186,282 |
| Geekbench 6 Single-Core | 697 | — |
| Geekbench 6 Multi-Core | 1,809 | — |
| CPU Description | Octa-core: 2x Kryo 470 Gold at 2.2 GHz and 6x Kryo 470 Silver at 1.8 GHz | Octa-core processor with four Cortex-A73 cores at 2.3 GHz and four Cortex-A53 cores at 1.7 GHz. |
| Processor Type | Octa-Core | Octa-Core |
| 64-Bit Processor | Yes | Yes |
| RAM Capacity | 8 GB Best value | 6 GB |
| RAM Type | LPDDR4X | LPDDR4X |
| Expandable Storage | Yes | Yes |
| AnTuTu version | v8 | v8 |
Design
| Specification | Redmi K30 | Galaxy M21 |
|---|---|---|
| Body Colors | Blue, Red, Purple | Black, Blue, Green |
| Body Thickness | 8.79 mm Best value | 8.9 mm |
| Body Width | 76.6 mm | 75.1 mm |
| Body Height | 165.3 mm | 159 mm |
| Weight | 208 g | 188 g Best value |
| Usable Surface | 84.8 % Best value | 84.2 % |
| Body Materials | Glass, Aluminium Alloy, P2i Nano Coating Best value | Glass, Plastic |
Battery
| Specification | Redmi K30 | Galaxy M21 |
|---|---|---|
| Battery Capacity | 4,500 mAh | 6,000 mAh Best value |
| Battery Type | Li-Polymer | Li-Polymer |
| Fast Charge Power | 27 W Best value | 15 W |
| Battery Features | Fast Charging, Non-Removable, Rechargeable, Battery Level Indicator | Fast Charging, Non-Removable, Rechargeable, Battery Level Indicator |
Display
| Specification | Redmi K30 | Galaxy M21 |
|---|---|---|
| Display Aspect Ratio | 20:9 | 19.5:9 |
| Display Technology | IPS LCD | Super AMOLED Best value |
| Peak Display Brightness | — | 420 nits |
| Display Diagonal | 6.67″ Best value | 6.4″ |
| Display Horizontal Resolution | 1,080 px | 1,080 px |
| Display Vertical Resolution | 2,400 px Best value | 2,340 px |
| Display Pixel Density | 395 ppi | 403 ppi Best value |
| Display Refresh Rate | 120 Hz | — |
| Display Contrast Ratio | 1,500 :1 | — |
| Display Features | Gorilla Glass 5, HDR10, 120Hz, Hole-Punch Notch, Scratch Resistant, Capacitive Touch, Multi-Touch, Frameless | Gorilla Glass 3, Always-On Display, Capacitive Touch, Multi-Touch, Water Drop Notch, Frameless |
Sensors
| Specification | Redmi K30 | Galaxy M21 |
|---|---|---|
| Fingerprint Sensor Placement | Side | Rear |
Sensor
| Specification | Redmi K30 | Galaxy M21 |
|---|---|---|
| Sensor Features | Fingerprint Sensor, Accelerometer, Gyroscope, Proximity Sensor, Compass, Light Sensor, Cooling System | Fingerprint Sensor, Accelerometer, Gyroscope, Proximity Sensor, Compass |
Software
| Specification | Redmi K30 | Galaxy M21 |
|---|---|---|
| Operating System | Android 10 | Android 10 |
| OS Family | Android | Android |
| OS Version | 10 | 10 |
| OS Update Support | — | 2 years |
| Google Services | No | Yes Best value |
| Widevine L1 | — | Yes |
Connectivity
| Specification | Redmi K30 | Galaxy M21 |
|---|---|---|
| SIM Configurations | Dual Nano-SIM, Dual SIM Dual Standby | Dual Nano-SIM, Dual SIM Dual Standby, Dual SIM |
| Cellular Bands | 2G GSM 850, 2G GSM 900, 2G GSM 1800, 2G GSM 1900, 2G CDMA BC0, 2G CDMA B2, 2G CDMA B3, 2G CDMA B5, 2G CDMA B8, 3G UMTS B1, 3G UMTS B850, 3G UMTS B900, 3G UMTS 2100, 3G UMTS B5, 3G UMTS B8, 3G UMTS B34, 3G UMTS B39, 4G LTE B1, 4G LTE B3, 4G LTE B5, 4G LTE B8, 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 B20, 4G LTE B38, 4G LTE B40, 4G LTE B41 |
| Cellular Technologies | GSM, CDMA, HSPA, EVDO, LTE, 4G | GSM, HSPA, UMTS, LTE, 2G, 3G, 4G |
| Wi-Fi Standards | Wi-Fi 4 (802.11n), Wi-Fi 5 (802.11ac), Wi-Fi 802.11a/b/g | Wi-Fi 4 (802.11n), Wi-Fi 5 (802.11ac) |
| Wi-Fi Features | Dual Band, Wi-Fi Hotspot, Wi-Fi Direct, Wi-Fi Display, MIMO | Dual Band, Wi-Fi Direct, Wi-Fi Hotspot |
| Bluetooth Version | Bluetooth 5.0 | Bluetooth 5.0 |
| Bluetooth Profiles | A2DP, LE, aptX HD | A2DP, LE |
| Navigation Systems | GPS, A-GPS, GLONASS, Galileo, BeiDou | GPS, A-GPS, GLONASS, BeiDou, Galileo |
| Connectivity Features | USB Charging, USB Mass Storage, USB OTG, USB Type-C, NFC, 3.5 mm Audio Jack, FM Radio, Computer Sync, Tethering, Infrared, VoLTE | USB Charging, USB Mass Storage, USB OTG, USB Type-C, NFC, 3.5 mm Audio Jack, FM Radio, Computer Sync, OTA Sync, Tethering, VoLTE |
| USB Version | USB 2.0 | USB 2.0 |
| SAR American Head | — | 0.47 W/kg |
| SAR (EU) head | — | 0.468 W/kg |
| Max. download speed | 800 Mbps Best value | 600 Mbps |
| Max. upload speed | 150 Mbps | 150 Mbps |
Audio
| Specification | Redmi K30 | Galaxy M21 |
|---|---|---|
| Microphone Count | 2 | 2 |
| Audio Features | Loudspeaker, Hi-Res Audio, 24-bit/192kHz Audio | A2DP, LE, Loudspeaker |
Technical
| Specification | Redmi K30 | Galaxy M21 |
|---|---|---|
| Model numbers | M1912G7BE, M1912G7BC | SM-M215F, SM-M215F/DS, SM-M215F/DSN |
