Xiaomi 12X vs Realme GT Neo 2
Here we compared two flagship smartphones: the 6.28-inch Xiaomi 12X (with Qualcomm Snapdragon 870) that was released on December 28, 2021, against the Realme GT Neo 2, which is powered by the same chip and came out 4 months before. On this page, you will find tests, full specs, strengths, and weaknesses of each of the devices.
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Key differences
Reasons to consider the Xiaomi 12X
- Delivers 40% higher peak brightness (929 against 663 nits)
- Optical image stabilization
- Slow-motion recording at 960FPS
- Uses a faster type of memory: LPDDR5
- Better grip in hands β the body is 5.9 mm narrower
- Weighs 24 grams less
- Has a built-in infrared port
Reasons to consider the Realme GT Neo 2
- Water-resistant body (IPX5 classification)
- Newer Bluetooth version (v5.2)
- Has a 0.34 inch larger screen size
Review
Display
Screen quality, color accuracy, brightness
Camera
Photo and video recording quality
Performance
CPU and memory performance (apps, system)
Gaming
Capabilities for playing modern games
Battery
Battery life, charging type and speed
Connectivity
Networks, ports, data transmission
Scores with a red asterisk (*) are approximate and may change in the future as we gather more data.
Select your primary usage scenario to get a more accurate DeviceFacts Score
Value for money (Beta)
Tests and specifications
Comparison table of technical specifications and testsDisplay
| Type | AMOLED | AMOLED |
| Size | 6.28 inches | 6.62 inches |
| Resolution | 1080 x 2400 pixels | 1080 x 2400 pixels |
| Aspect ratio | 20:9 | 20:9 |
| PPI | 419 ppi | 397 ppi |
| Refresh rate | 120 Hz | 120 Hz |
| Adaptive refresh rate | Yes | Yes |
| Max rated brightness | 500 nits | 500 nits |
| Max rated brightness in HDR | 1100 nits | 1300 nits |
| HDR support | Yes, HDR10+ | Yes, HDR10+ |
| Touch sampling rate | 480 Hz | 600 Hz |
| Screen protection | Gorilla Glass Victus | Corning Gorilla Glass 5 |
| Screen-to-body ratio | 89.3% | 85.7% |
| Display features | - DCI-P3 - Always-On Display - DC Dimming |
- DCI-P3 - Always-On Display - DC Dimming |
| RGB color space | 98.6% | 98.1% |
| PWM | 523 Hz | 531 Hz |
| Response time | 1 ms | 6 ms |
| Contrast | β Infinity | β Infinity |
Screen space comparison
GT Neo 2
6.62β³ (20:9 ratio) = 16.4 in2
Xiaomi 12X
6.28β³ (20:9 ratio) = 14.8 in2
~11% more screen space
Peak brightness test (auto)
Design and build
| Height | 152.7 mm (6.01 inches) | 162.9 mm (6.41 inches) |
| Width | 69.9 mm (2.75 inches) | 75.8 mm (2.98 inches) |
| Thickness | 8.16 mm (0.32 inches) | 8.6 mm (0.34 inches) |
| Weight | 176 g (6.21 oz) | 200 g (7.05 oz) |
| Waterproof | No | IPX5 |
| Advanced cooling | - | Vapor chamber |
| Rear material | Glass | Glass |
| Frame material | Metal | Plastic |
| Colors | Black, Blue, Pink | Black, Blue, Green |
| Fingerprint scanner | Yes, in-display | Yes, in-display |
Screen-to-body ratio
Performance
| Chipset | Qualcomm Snapdragon 870 | Qualcomm Snapdragon 870 |
| Max clock | 3200 MHz | 3200 MHz |
| CPU cores | 8 (1 + 3 + 4) | 8 (1 + 3 + 4) |
| Architecture | - 4 cores at 1.8 GHz: Kryo 585 Silver (Cortex-A55) - 3 cores at 2.42 GHz: Kryo 585 Gold (Cortex-A77) - 1 core at 3.2 GHz: Kryo 585 Prime (Cortex-A77) |
- 4 cores at 1.8 GHz: Kryo 585 Silver (Cortex-A55) - 3 cores at 2.42 GHz: Kryo 585 Gold (Cortex-A77) - 1 core at 3.2 GHz: Kryo 585 Prime (Cortex-A77) |
| L3 cache | 4 MB | 4 MB |
| Manufacturing | TSMC | TSMC |
| Lithography process | 7 nanometers | 7 nanometers |
| Neural processor (NPU) | Hexagon 698 | Hexagon 698 |
| Graphics | Adreno 650 | Adreno 650 |
| GPU shading units | 768 | 768 |
| GPU clock | 670 MHz | 670 MHz |
| FLOPS | ~1029.1 GFLOPS | ~1029.1 GFLOPS |
Benchmarks
Geekbench 6 (Single-Core)
Geekbench 6 (Multi-Core)
Compute Score (GPU)
| Compute Score (GPU) | - | 3381 |
| Single-core score | 1297 | 1300 |
| Multi-core score | 3428 | 3600 |
AnTuTu Benchmark 11
| CPU | 389144 | 406766 |
| GPU | 137246 | 188015 |
| Memory | 189635 | 190650 |
| UX | 278947 | 289033 |
| Total score | 994972 | 1074464 |
| Samples | [15 tests] | [7 tests] |
3DMark Wild Life Extreme
| Stability | 91% | 99% |
| Graphics test | 7 FPS | 7 FPS |
| Graphics score | 1216 | 1228 |
Recent User Tests
Xiaomi 12X
| Date | Benchmark | Result |
|---|---|---|
| π 2026-10-11 (ex4ample) | AnTuTu 12 | 1079226 |
| π 2026-08-29 (Forsic) | AnTuTu 11 | 1020372 |
| π 2026-04-17 -> cnprt | AnTuTu 11 | 1070681 |
| π 2026-04-17 (cnprt) | AnTuTu 11 | 1052508 |
| π 2026-04-07 (cnprt) | AnTuTu 11 | 902096 |
Realme GT Neo 2
| Date | Benchmark | Result |
|---|---|---|
| π 2026-07-20 (Walid) | AnTuTu 11 | 1090680 |
| π 2026-07-19 (Dr strange) | AnTuTu 11 | 1036473 |
| π 2026-06-24 -> Ra1nManQ | AnTuTu 11 | 1070347 |
| π 2026-04-28 (Walid) | AnTuTu 11 | 1074464 |
| π 2026-01-10 (Konstatinos KALYVAS) | AnTuTu 11 | 1101461 |
Memory
| RAM size | 8 GB | 8 GB |
| Memory type | LPDDR5 | LPDDR4X |
| Memory clock | - | 2133 MHz |
| Channels | 2 | 2 |
| Storage size | 128 GB | 128 GB |
| Storage type | UFS 3.1 | UFS 3.1 |
| Memory card | No | No |
Software
| Operating system | Android 11 (Can be upgraded to Android 13) | Android 11 (Can be upgraded to Android 13) |
| ROM | HyperOS 1.0 | Realme UI 4.0 |
| OS size | 29.3 GB | 16 GB |
Battery
| Capacity | 4500 mAh | 5000 mAh |
| Max charge power | 67 W | 65 W |
| Battery type | Li-Po | Li-Po |
| Replaceable | No | No |
| Wireless charging | No | No |
| Reverse charging | No | No |
| Fast charging | Yes (78% in 30 min) | Yes, SuperDart Charge (97% in 30 min) |
| Full charging time | 0:48 hr | 0:32 hr |
| Web browsing | 09:35 hr | 09:05 hr |
| Watching video | 14:39 hr | 12:45 hr |
| Gaming | 05:35 hr | 05:34 hr |
| Standby | 101 hr | 113 hr |
General battery life
Main camera
| Matrix | 50 megapixels | 64 megapixels |
| Image resolution | 8700 x 5800 | 9280 x 6920 |
| Zoom | Digital | Digital |
| Flash | Dual LED | Dual LED |
| Stabilization | Optical | Digital |
| 8K video recording | Up to 24FPS | No |
| 4K video recording | Up to 60FPS | Up to 60FPS |
| 1080p video recording | Up to 60FPS | Up to 60FPS |
| Slow motion | 960 FPS (720p) | 240 FPS (1080p) |
| Angle of widest lens | 123Β° | 119Β° |
| Lenses | 1) Standard: 50 MP 2) Ultrawide: 13 MP 3) Macro: 5 MP |
1) Standard: 64 MP 2) Ultrawide: 8 MP 3) Macro: 2 MP |
| Camera features | - Bokeh mode - Pro mode |
- Bokeh mode - Pro mode |
| Image resolution | 50 MP | 64 MP |
| Aperture | f/1.9 | f/1.8 |
| Focal length | 26 mm | 26 mm |
| Sensor | Sony IMX766 | Samsung Bright S5KGW1 |
| Sensor size | 1/1.56" (β 0.64 inch) | 1/1.72" (β 0.58 inch) |
| Pixel size | 1 micron | 0.8 micron |
| Autofocus | Phase autofocus (Dual Pixel) | Phase autofocus |
| Stabilization | Optical | Digital |
| Image resolution | 13 MP | 8 MP |
| Aperture | f/2.4 | f/2.3 |
| Focal length | 12 mm | 16 mm |
| Sensor | OmniVision OV13B10 | Hynix HI-846 |
| Sensor size | 1/3.06" (β 0.33 inch) | 1/4.0" (β 0.25 inch) |
| Pixel size | 1.12 micron | 1.12 micron |
| Stabilization | Digital | Digital |
| Image resolution | 5 MP | 2 MP |
| Aperture | f/2.4 | f/2.4 |
| Focal length | 50 mm | - |
| Sensor | Samsung S5K5E9 | Omnivision OV02B10 |
| Sensor size | - | 1/5" (β 0.2 inch) |
| Pixel size | 1.12 micron | 1.75 micron |
| Stabilization | Optical | Digital |
DxOMark main camera tests
Photo quality
Video quality
Generic main camera score
| Samples | - | Photo samples of Realme GT Neo 2 from DxOMark |
Selfie camera
| Megapixels | 32 megapixels | 16 megapixels |
| Image resolution | 6528 x 4896 | 4920 x 3264 |
| Aperture | f/2.4 | f/2.5 |
| Focal length | 26 mm | 26 mm |
| Sensor | OmniVision OV32B40 | Sony IMX471 |
| Sensor size | 1/3" (β 0.33 inch) | 1/3.13" (β 0.32 inch) |
| Pixel size | 0.7 micron | 1 micron |
| Autofocus | No | No |
| Stabilization | Digital | Digital |
| Video resolution | 1080p (Full HD) at 60 FPS | 1080p (Full HD) at 30 FPS |
| Depth sensor (TOF 3D) | No | No |
Connectivity
| Wi-Fi standard | Wi-Fi 6 (802.11 a/b/g/n/ac/ax) | Wi-Fi 6 (802.11 a/b/g/n/ac/ax) |
| Wi-Fi features | - Dual Band - Wi-Fi MiMO - Wi-Fi Direct - Wi-Fi Hotspot - Wi-Fi Display |
- Dual Band - Wi-Fi Direct - Wi-Fi Hotspot - Wi-Fi Display |
| Bluetooth version | 5.1 | 5.2 |
| Bluetooth features | LE | 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 - OTG |
| GPS | GPS, GLONASS, Beidou, Galileo, NAVIC | GPS, GLONASS, Beidou, Galileo, QZSS, NAVIC |
| NFC* | Depends on the region | Yes |
| Infrared port | Yes | No |
| Number of SIM* | 2 | 2 |
| Type of SIM card | Nano | Nano |
| Multi SIM mode | Standby | Standby |
| eSIM support* | - | No |
| Hybrid slot | No | No |
| LTE Cat* | - | 20 |
| 5G support | Yes | Yes |
Sound
| Speakers | Stereo | Stereo |
| Headphone audio jack | No | No |
| FM radio | No | No |
| Dolby Atmos | Yes | Yes |
Speakers test
Max loudness
Other
| Category | Flagship | Flagship |
| Announced | December 2021 | September 2021 |
| Release date | December 2021 | September 2021 |
| Launch price (MSRP) | $650 | $390 |
| Successor | - | - Realme GT Neo 5 |
| Sensors | - Proximity sensor - Gyroscope - Accelerometer - Ambient light sensor - Compass - Fingerprint |
- Proximity sensor - Gyroscope - Accelerometer - Ambient light sensor - Compass - Fingerprint |
| Bundled charger | Yes, 67 W | - |
*Disclaimer! NFC, GSM network support, and some other specs can be different depending on the country.
Conclusion
If the display, camera, software, design, and sound are more important to you, then choose the Xiaomi 12X. But if the gaming is more of a priority β go for the Realme GT Neo 2.
Cast your vote
Total votes: 168