Xiaomi 15 Ultra vs Xiaomi Redmi 12 5G
Compare Xiaomi 15 Ultra vs Xiaomi Redmi 12 5G side by side: Qualcomm Snapdragon 8 Elite vs Qualcomm Snapdragon 4 Gen 2, 6000mAh vs 5000mAh battery, $1499 vs…
Xiaomi
15 Ultra
$1,499
10categories won
Xiaomi
Redmi 12 5G
$699
3categories won
13 scored in total · add a third phone
Which one wins?
Xiaomi 15 Ultra takes the overall win
The Xiaomi 15 Ultra claims the overall win over the Xiaomi Redmi 12 5G, delivering a stronger technical package across gaming and photography. In camera testing, the 15 Ultra leads with sharper imaging, while battery endurance leans towards the 15 Ultra. Choose the 15 Ultra if you want the highest performance ceiling, or opt for the Redmi 12 5G if its lower retail price better fit your budget.
15 Ultra wins on endurance with 6,000 mAh and 90W fast charging.
15 Ultra leads gaming and raw performance powered by the Qualcomm Snapdragon 8 Elite and 16GB RAM.
15 Ultra wins photography with 50MP main imaging and 4.3x dedicated optical zoom.
Redmi 12 5G wins on budget and value at $699 compared to $1499.
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.
15 Ultra vs Redmi 12 5G: specifications compared
Display
| Specification | 15 Ultra | Redmi 12 5G |
|---|---|---|
| Screen size | 6.73" | 6.79" |
| Resolution | 1440 x 3200Winner | 1080 x 2460 |
| Pixel density | 522 ppiWinner | 396 ppi |
| Refresh rate | 120 HzWinner | 90 Hz |
| Peak brightness | 3200 nitsWinner | 550 nits |
Performance
| Specification | 15 Ultra | Redmi 12 5G |
|---|---|---|
| Chipset | Qualcomm Snapdragon 8 Elite | Qualcomm Snapdragon 4 Gen 2 |
| Process node | 3 nm | — |
| AnTuTu score | 2,840,000Winner | 445,000 |
| Geekbench multi | 9940Winner | 2130 |
| Maximum RAM | 16 GB | — |
| Maximum storage | 1TB | — |
Camera
| Specification | 15 Ultra | Redmi 12 5G |
|---|---|---|
| Main sensor | 50 MP | — |
| Rear cameras | 4 | — |
| Optical zoom | 4.3x | — |
| Ultrawide | 50 MP | — |
| Selfie camera | 32 MPWinner | 8 MP |
| Max video | 8K at 30fps, 4K at 120fps Dolby Vision | 1080p@30fps |
Battery and charging
| Specification | 15 Ultra | Redmi 12 5G |
|---|---|---|
| Capacity | 6,000 mAhWinner | 5,000 mAh |
| Wired charging | 90 WWinner | 18 W |
| Wireless charging | 80 WWinner | No |
Design
| Specification | 15 Ultra | Redmi 12 5G |
|---|---|---|
| Weight | 226 g | 199 gWinner |
| Thickness | 9.4 mm | 8.2 mmWinner |
| Water resistance | IP68 | IP53 |
| Build | Aerospace aluminum frame, eco-leather or ceramic-glass back | — |
Software and support
| Specification | 15 Ultra | Redmi 12 5G |
|---|---|---|
| Operating system | Android 15 | 13 (Upgradable to 14, HyperOS) |
| OS updates | 4 years | — |
| Security updates | 6 years | — |
Connectivity and value
| Specification | 15 Ultra | Redmi 12 5G |
|---|---|---|
| 5G | Yes | Yes |
| Wi-Fi | Wi-Fi 7 (802.11be) | Wi-Fi 5 (802.11ac) |
| Storage expansion | None | microSD |
| 3.5mm jack | No | No |
| Launch price | $1,499 | $699Winner |
Xiaomi 15 Ultra
Equipped with a giant 1-inch Sony LYT-900 primary sensor, an audacious 200MP 4.3x periscope telephoto, a massive 6000 mAh silicon-carbon battery, and 90W fast charging, the Xiaomi 15 Ultra is the ultimate optical zoom powerhouse.
- Display
- 6.73"
- Chipset
- Qualcomm Snapdragon 8 Elite
- Main camera
- 50MP
- Battery
- 6,000mAh
Xiaomi Redmi 12 5G
Redmi 12 5G revolutionized the budget tier by debuting Qualcomm's advanced 4nm Snapdragon 4 Gen 2 architecture inside a crystal glass housing with a massive 6.79-inch FHD+ 90Hz display.
- Display
- 6.79"
- Chipset
- Qualcomm Snapdragon 4 Gen 2
- Battery
- 5,000mAh
- Software
- 13 (Upgradable to 14, HyperOS)