Xiaomi Redmi K30 vs Mi 9T
Here we compared two mid-range smartphones: the 6.67-inch Xiaomi Redmi K30 (with Qualcomm Snapdragon 730G) that was released on December 10, 2019, against the Xiaomi Mi 9T, which is powered by Qualcomm Snapdragon 730 and came out 6 months before. On this page, you will find tests, full specs, strengths, and weaknesses of each of the gadgets.
Key differences
Reasons to consider the Xiaomi Redmi K30
- Higher display refresh rate – 120 Hz
- Optical image stabilization
- Expandable storage via MicroSD card up to 256GB
- Comes with 500 mAh larger battery capacity: 4500 vs 4000 mAh
- 10% better performance in AnTuTu Benchmark (277K versus 252K)
- Delivers 12% higher maximum brightness (724 against 647 nits)
- The phone is 6-months newer
- Has a built-in infrared port
Reasons to consider the Xiaomi Mi 9T
- The rear camera has a 2x optical zoom
- AMOLED display (versus competitor's IPS LCD)
- Weighs 17 grams less
Review
Display
Screen quality, color accuracy, brightness
Performance
CPU/GPU performance in apps and games
Battery
Battery life, charging type and speed
Camera
Photo and video recording quality
Connectivity
Networks, ports, data transmission
NanoReview score
Final comparison evaluation
Value for money
You can enter your local price of these phones (in USD or any other currency) and click on the "Calculate" button to see which one has a better value for money.
Tests and specifications
Comparison table of technical specifications and testsDisplay
| Type | IPS LCD | AMOLED |
| Size | 6.67 inches | 6.39 inches |
| Resolution | 1080 x 2400 pixels | 1080 x 2340 pixels |
| Aspect ratio | 20:9 | 19.5:9 |
| PPI | 395 ppi | 403 ppi |
| Refresh rate | 120 Hz | 60 Hz |
| HDR support | Yes, HDR10 | Yes, HDR10 |
| Screen protection | Corning Gorilla Glass 5 | Corning Gorilla Glass 5 |
| Screen-to-body ratio | 84.8% | 86.1% |
| Display features | - Always-On Display - DC Dimming |
- Always-On Display |
| RGB color space | - | 95.1% |
| PWM | - | 245 Hz |
| Response time | - | 3.6 ms |
| Contrast | - | ∞ Infinity |
Max. Brightness
Design and build
| Height | 165.3 mm (6.51 inches) | 156.7 mm (6.17 inches) |
| Width | 76.6 mm (3.02 inches) | 74.3 mm (2.93 inches) |
| Thickness | 8.8 mm (0.35 inches) | 8.8 mm (0.35 inches) |
| Weight | 208 gramm (7.34 oz) | 191 gramm (6.74 oz) |
| Waterproof | No | No |
| Rear material | Glass | Glass |
| Frame material | Plastic | Metal |
| Colors | White, Blue, Red, Purple | Black, Blue, Red |
| Fingerprint scanner | Yes, in home button | Yes, in-display |
Screen-to-body ratio
Performance
| Chipset | Qualcomm Snapdragon 730G | Qualcomm Snapdragon 730 |
| Max. clock | 2200 MHz | 2200 MHz |
| CPU cores | 8 (2 + 6) | 8 (2 + 6) |
| Architecture | - 6 cores at 1.8 GHz: Kryo 470 Silver (Cortex-A55) - 2 cores at 2.2 GHz: Kryo 470 Gold (Cortex-A76) |
- 6 cores at 1.8 GHz: Kryo 470 Silver (Cortex-A55) - 2 cores at 2.2 GHz: Kryo 470 Gold (Cortex-A76) |
| Lithography process | 8 nanometers | 8 nanometers |
| Graphics | Adreno 618 | Adreno 618 |
| GPU clock | 575 MHz | 500 MHz |
| FLOPS | ~422 GFLOPS | ~386 GFLOPS |
| RAM size | 6, 8 GB | 6 GB |
| Memory type | LPDDR4X | LPDDR4X |
| Memory clock | 1866 MHz | 1866 MHz |
| Channels | 2 | 2 |
| Storage size | 64, 128, 256 GB | 64, 128 GB |
| Storage type | UFS 2.1 | UFS 2.1 |
| Memory card | MicroSD | No |
| Memory card max. size | Up to 256 GB | - |
Benchmarks
Geekbench 5 (Single-Core)
Geekbench 5 (Multi-Core)
AnTuTu Benchmark 8
AnTuTu Benchmark Android Rating (227th and 244th place)
Software
| Operating system | Android 10 | Android 9.0 (Can be upgraded to Android 10) |
| ROM | MIUI 12 | MIUI 12 |
| OS size | - | 11.3 GB |
Battery
| Capacity | 4500 mAh | 4000 mAh |
| Charge power | 27 W | 18 W |
| Battery type | Li-Po | Li-Po |
| Replaceable | No | No |
| Wireless charging | No | No |
| Reverse charging | No | No |
| Fast charging | Yes (100% in 70 min) | Yes (45% in 30 min) |
| Full charging time | 1:10 hr | 1:25 hr |
Battery life tests
Web browsing (Wi-Fi)
Watching videos (Player)
Talk (3G)
Phone Battery Life Ranking (75th and 101st place)
Camera
| Matrix | 64 megapixels | 48 megapixels |
| Image resolution | 9000 x 7000 | 8000 x 6000 |
| Zoom | Digital | Optical, 2x |
| Flash | Dual LED | Dual LED |
| Stabilization | Optical | Digital |
| 8K video recording | No | No |
| 4K video recording | Up to 30FPS | Up to 30FPS |
| 1080p video recording | Up to 120FPS | Up to 240FPS |
| Slow motion | 960 FPS (720p) | 960 FPS (1080p) |
| Angle of widest lens | 120° | 124° |
| Lenses | 4 (64 MP + 8 MP + 2 MP + 2 MP) | 3 (48 MP + 8 MP + 13 MP) |
| Wide (main) lens | - 64 MP - Aperture: f/1.9 - Focal length: 26 mm - Pixel size: 0.8 micron - Sensor: 1/1.7", Sony IMX686 (Exmor-RS CMOS) - Phase autofocus - Optical stabilization |
- 48 MP - Aperture: f/1.8 - Focal length: 26 mm - Pixel size: 0.8 micron - Sensor: 1/2", Sony IMX582 (Exmor-RS CMOS) - Phase autofocus |
| Telephoto lens | - | - 8 MP - Aperture: f/2.4 - Focal length: 53 mm - Pixel size: 1.12 micron - Sensor: 1/4", Omnivision OV8865 (BSI CMOS) - Phase autofocus |
| Ultra-wide lens | - 8 MP - Aperture: f/2.2 - Focal length: 13 mm - Pixel size: 1.12 micron - Sensor: 1/4", OmniVision OV8856 (CMOS) |
- 13 MP - Aperture: f/2.4 - Focal length: 12 mm - Pixel size: 1.12 micron - Sensor: 1/3.1", Samsung S5K3L6 (ISOCELL CMOS) |
| Macro lens | - 2 MP - Aperture: f/2.4 - Focal length: 1.94 mm - Pixel size: 1.75 micron - Sensor: 1/5", GalaxyCore GC02M1 (CMOS) |
- |
| Depth lens | - 2 MP - Aperture: f/2.4 - Pixel size: 1.75 micron - Sensor: 1/5", GalaxyCore GC02M1 (CMOS) |
- |
| Camera features | - Bokeh mode - Pro mode |
- Bokeh mode - Pro mode - RAW support |
| Megapixels | 20 megapixels | 20 megapixels |
| Image resolution | 5963 x 3354 | 5184 x 3880 |
| Aperture | f/2.2 | f/2.2 |
| Focal length | 27 mm | 18 mm |
| Pixel size | 0.8 microns | 0.8 microns |
| Sensor type | ISOCELL CMOS | CMOS |
| Sensor size | 1/3.4" | 1/3.4" |
| Video resolution | 1080p (Full HD) при 30 FPS | 1080p (Full HD) при 30 FPS |
Connectivity
| Wi-Fi standard | Wi-Fi 5 (802.11 b/g/n/ac) | Wi-Fi 5 (802.11 a/b/g/n/ac) |
| Wi-Fi features | - Dual Band - Wi-Fi Direct - Wi-Fi Hotspot - Wi-Fi Display |
- Dual Band - Wi-Fi Direct - Wi-Fi Hotspot - Wi-Fi Display |
| Bluetooth version | 5 | 5 |
| Bluetooth features | LE, A2DP | LE, A2DP |
| USB type | USB Type-C | USB Type-C |
| USB version | 2 | 2 |
| USB features | - Charging - USB-Storage mode - OTG |
- Charging - USB-Storage mode - USB-Host mode - OTG |
| GPS | GPS, GLONASS, Beidou, Galileo | GPS, GLONASS, Beidou |
| NFC* | Yes | Yes |
| Infrared port | Yes | No |
| Number of SIM* | 2 | 2 |
| Type of SIM card | Nano | Nano |
| Multi SIM mode | Standby | Standby |
| eSIM support* | No | No |
| Hybrid slot | Yes | No |
| LTE Cat* | 15 | 12 |
| 5G support | Yes | No |
Sound
| Speakers | Mono | Mono |
| Headphone audio jack | Yes | Yes |
| FM radio | Yes | Yes |
| Dolby Atmos | No | No |
Speakers test
Max. loudness
Other
| Category | Mid-range | Mid-range |
| Announced | December 2019 | May 2019 |
| Release date | February 2020 | June 2019 |
| Launch price | ~ 287 USD | ~ 275 USD |
| SAR (head) | 0.47 W/kg | 1.34 W/kg |
| SAR (body) | 1.16 W/kg | 1.51 W/kg |
| Sensors | - Barometer - Proximity sensor - Gyroscope - Accelerometer - Ambient light sensor - Compass - Fingerprint |
- Proximity sensor - Gyroscope - Accelerometer - Ambient light sensor - Compass - Fingerprint |
*Disclaimer! NFC, GSM network support, and some other specs can be different depending on the country.
Conclusion
If the display, performance, and camera are more important to you, then choose the Xiaomi Redmi K30. But if the design is more of a priority – go for the Xiaomi Mi 9T.
Cast your vote
Total votes: 14