Realme 12x 5G vs Xiaomi 16 Ultra
Compare Realme 12x 5G vs Xiaomi 16 Ultra side by side: MediaTek Dimensity 6100+ vs Qualcomm Snapdragon 8 Elite Gen 2, 5000mAh vs 6200mAh battery, $699 vs…
Realme
Realme 12x 5G
$699
3categories won
Xiaomi
16 Ultra
$1,299
9categories won
1 categories tied · 13 scored in total · add a third phone
Which one wins?
Xiaomi 16 Ultra takes the overall win
The Xiaomi 16 Ultra proves superior overall against the Realme 12x 5G, outperforming on gaming and photography. In camera testing, the 16 Ultra leads with superior optics, while battery endurance leans towards the 16 Ultra. Choose the 16 Ultra if you want the highest performance ceiling, or opt for the Realme 12x 5G if its lower retail price better fit your budget.
16 Ultra takes battery honors offering 6,200 mAh alongside 120W charging.
16 Ultra provides greater sustained gaming output with its Qualcomm Snapdragon 8 Elite Gen 2 and 24GB RAM.
16 Ultra takes photography with 50MP optics and 3.2x optical telephoto capabilities.
Realme 12x 5G provides a sharper value proposition, coming in at $699 vs $1299.
Category verdicts are computed algorithmically from verified technical specifications and hardware benchmarks. Rows where neither figure is objectively better — screen size preference, operating system choice, aesthetic build materials — are displayed for direct reference without scoring bias.
Realme 12x 5G vs 16 Ultra: specifications compared
Display
| Specification | Realme 12x 5G | 16 Ultra |
|---|---|---|
| Screen size | 6.72" | 6.73" |
| Resolution | 1080 x 2400 | 1440 x 3200Winner |
| Pixel density | 392 ppi | 521 ppiWinner |
| Refresh rate | 120 Hz | 120 Hz |
| Peak brightness | 950 nits | 3600 nitsWinner |
Performance
| Specification | Realme 12x 5G | 16 Ultra |
|---|---|---|
| Chipset | MediaTek Dimensity 6100+ | Qualcomm Snapdragon 8 Elite Gen 2 |
| Process node | — | 2 nm |
| AnTuTu score | 415,000 | 3,200,000Winner |
| Geekbench multi | 1920 | 10800Winner |
| Maximum RAM | — | 24 GB |
| Maximum storage | — | 2TB |
Camera
| Specification | Realme 12x 5G | 16 Ultra |
|---|---|---|
| Main sensor | — | 50 MP |
| Rear cameras | — | 4 |
| Optical zoom | — | 3.2x |
| Ultrawide | — | 50 MP |
| Selfie camera | 8 MP | 32 MPWinner |
| Max video | 1080p@30fps | 8K at 30fps / 4K at 120fps |
Battery and charging
| Specification | Realme 12x 5G | 16 Ultra |
|---|---|---|
| Capacity | 5,000 mAh | 6,200 mAhWinner |
| Wired charging | 45 W | 120 WWinner |
| Wireless charging | No | 80 WWinner |
Design
| Specification | Realme 12x 5G | 16 Ultra |
|---|---|---|
| Weight | 188 gWinner | 226 g |
| Thickness | 7.9 mmWinner | 9.2 mm |
| Water resistance | IP54 | IP68 |
| Build | — | Grade 5 Titanium frame, Ceramic Glass front and back |
Software and support
| Specification | Realme 12x 5G | 16 Ultra |
|---|---|---|
| Operating system | 14, Realme UI 5.0 | Android 17 |
| OS updates | — | 7 years |
| Security updates | — | 7 years |
Connectivity and value
| Specification | Realme 12x 5G | 16 Ultra |
|---|---|---|
| 5G | Yes | Yes |
| Wi-Fi | Wi-Fi 5 (802.11ac) | Wi-Fi 7 (802.11be, tri-band 2.4/5/6GHz, 320MHz bandwidth) |
| Storage expansion | microSD | None |
| 3.5mm jack | No | No |
| Launch price | $699Winner | $1,299 |
Realme 12x 5G
Realme 12x 5G sets a new value standard with 45W SuperVOOC charging, a 6.72-inch 120Hz FHD+ screen, Air Gestures, and 50MP AI primary photography.
- Display
- 6.72"
- Chipset
- MediaTek Dimensity 6100+
- Battery
- 5,000mAh
- Software
- 14, Realme UI 5.0
Xiaomi 16 Ultra
Equipped with a second-gen 1-inch LOFIC sensor with 15EV dynamic range, stepless physical f/1.6–f/4.0 aperture, a mammoth 200MP 1/1.4" periscope telephoto, 120W wired and 80W wireless charging, and 6,200 mAh capacity, the 16 Ultra is a DSLR in your pocket.
- Display
- 6.73"
- Chipset
- Qualcomm Snapdragon 8 Elite Gen 2
- Main camera
- 50MP
- Battery
- 6,200mAh