Xiaomi Mi 9T vs Oppo Realme X
Here we compared two mid-range smartphones: the 6.39-inch Xiaomi Mi 9T (with Qualcomm Snapdragon 730) that was released on May 28, 2019, against the Oppo Realme X, which is powered by Qualcomm Snapdragon 710 and came out 1 month 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 Mi 9T
- The rear camera has a 2x optical zoom
- Shows 16% longer battery life (100 vs 86 hours)
- Delivers 43% higher maximum brightness (639 against 448 nits)
- 17% better performance in AnTuTu Benchmark (250K versus 214K)
- Has an ultra-wide angle camera lens
- More energy-efficient CPU – Snapdragon 730
- 41% faster in single-core GeekBench 5 test: 542 and 385 points
Reasons to consider the Oppo Realme X
- Expandable storage via MicroSD card up to 256GB
- Supports Dolby Atmos sound technology
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 | AMOLED | AMOLED |
| Size | 6.39 inches | 6.53 inches |
| Resolution | 1080 x 2340 pixels | 1080 x 2340 pixels |
| Aspect ratio | 19.5:9 | 19.5:9 |
| PPI | 403 ppi | 395 ppi |
| Refresh rate | 60 Hz | 60 Hz |
| HDR support | Yes, HDR10 | No |
| Screen protection | Corning Gorilla Glass 5 | Corning Gorilla Glass 5 |
| Screen-to-body ratio | 86.1% | 85.72% |
| Display features | - Always-On Display | - Always-On Display |
| RGB color space | 95.1% | - |
| PWM | 245 Hz | - |
| Response time | 3.6 ms | - |
| Contrast | ∞ Infinity | - |
Max. Brightness
Design and build
| Height | 156.7 mm (6.17 inches) | 161.2 mm (6.35 inches) |
| Width | 74.3 mm (2.93 inches) | 76 mm (2.99 inches) |
| Thickness | 8.8 mm (0.35 inches) | 8.6 mm (0.34 inches) |
| Weight | 191 gramm (6.74 oz) | 191 gramm (6.74 oz) |
| Waterproof | No | No |
| Rear material | Glass | Plastic |
| Frame material | Metal | Plastic |
| Colors | Black, Blue, Red | White, Blue |
| Fingerprint scanner | Yes, in-display | Yes, in-display |
Screen-to-body ratio
Performance
| Chipset | Qualcomm Snapdragon 730 | Qualcomm Snapdragon 710 |
| 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 1.7 GHz: Kryo 360 Silver (Cortex-A55) - 2 cores at 2.2 GHz: Kryo 360 Gold (Cortex-A75) |
| Lithography process | 8 nanometers | 10 nanometers |
| Graphics | Adreno 618 | Adreno 616 |
| GPU clock | 500 MHz | 600 MHz |
| FLOPS | ~386 GFLOPS | ~384 GFLOPS |
| RAM size | 6 GB | 4, 6, 8 GB |
| Memory type | LPDDR4X | LPDDR4X |
| Memory clock | 1866 MHz | 1866 MHz |
| Channels | 2 | 2 |
| Storage size | 64, 128 GB | 64, 128 GB |
| Storage type | UFS 2.1 | UFS 2.1 |
| Memory card | No | MicroSD |
| Memory card max. size | - | Up to 256 GB |
Benchmarks
Geekbench 5 (Single-Core)
Geekbench 5 (Multi-Core)
AnTuTu Benchmark 8
AnTuTu Benchmark 8 Smartphone Scores (244th and 263rd place)
Software
| Operating system | Android 9.0 (Can be upgraded to Android 10) | Android 9.0 (Can be upgraded to Android 10) |
| ROM | MIUI 12 | ColorOS 7 |
| OS size | 11.3 GB | - |
Battery
| Capacity | 4000 mAh | 3765 mAh |
| Charge power | 18 W | 20 W |
| Battery type | Li-Po | Li-Po |
| Replaceable | No | No |
| Wireless charging | No | No |
| Reverse charging | No | No |
| Fast charging | Yes (45% in 30 min) | Yes, VOOC 3.0 (55% in 30 min) |
| Full charging time | 1:25 hr | 1:20 hr |
Battery life tests
Web browsing (Wi-Fi)
Watching videos (Player)
Talk (3G)
Camera
| Matrix | 48 megapixels | 48 megapixels |
| Image resolution | 8000 x 6000 | 8000 x 6000 |
| Zoom | Optical, 2x | Digital |
| Flash | Dual LED | LED |
| Stabilization | Digital | Digital |
| 8K video recording | No | No |
| 4K video recording | Up to 30FPS | Up to 30FPS |
| 1080p video recording | Up to 240FPS | Up to 120FPS |
| Slow motion | 960 FPS (1080p) | 960 FPS (720p) |
| Angle of widest lens | 124° | - |
| Lenses | 3 (48 MP + 8 MP + 13 MP) | 2 (48 MP + 5 MP) |
| Wide (main) lens | - 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 |
- 48 MP - Aperture: f/1.7 - Focal length: 26 mm - Pixel size: 0.8 micron - Sensor: 1/2", Sony IMX586 (Exmor-RS CMOS) - Phase autofocus (Dual Pixel) |
| 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 | - 13 MP - Aperture: f/2.4 - Focal length: 12 mm - Pixel size: 1.12 micron - Sensor: 1/3.1", Samsung S5K3L6 (ISOCELL CMOS) |
- |
| Depth lens | - | - 5 MP - Aperture: f/2.4 |
| Camera features | - Bokeh mode - Pro mode - RAW support |
- Bokeh mode - Pro mode |
| Megapixels | 20 megapixels | 16 megapixels |
| Image resolution | 5184 x 3880 | 4608 x 3456 |
| Aperture | f/2.2 | f/2.0 |
| Focal length | 18 mm | 25 mm |
| Pixel size | 0.8 microns | 1 microns |
| Sensor type | CMOS | BSI CMOS |
| Sensor size | 1/3.4" | 1/3" |
| Video resolution | 1080p (Full HD) при 30 FPS | 1080p (Full HD) при 30 FPS |
Connectivity
| Wi-Fi standard | Wi-Fi 5 (802.11 a/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 |
| 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 - USB-Host mode - OTG |
- Charging - USB-Storage mode - OTG |
| GPS | GPS, GLONASS, Beidou | GPS, GLONASS, Beidou |
| NFC* | Yes | No |
| Infrared port | No | No |
| Number of SIM* | 2 | 2 |
| Type of SIM card | Nano | Nano |
| Multi SIM mode | Standby | Standby |
| eSIM support* | No | No |
| Hybrid slot | No | No |
| LTE Cat* | 12 | 15 |
| 5G support | No | No |
Sound
| Speakers | Mono | Mono |
| Headphone audio jack | Yes | Yes |
| FM radio | Yes | No |
| Dolby Atmos | No | Yes |
Speakers test
Max. loudness
Other
| Category | Mid-range | Mid-range |
| Announced | May 2019 | May 2019 |
| Release date | June 2019 | June 2019 |
| Launch price | ~ 275 USD | ~ 211 USD |
| SAR (head) | 1.34 W/kg | 0.92 W/kg |
| SAR (body) | 1.51 W/kg | 1.58 W/kg |
| Sensors | - 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, software, battery life, camera, and design are more important to you, then choose the Xiaomi Mi 9T. But if the sound is more of a priority – go for the Oppo Realme X.
Cast your vote
Total votes: 7