Xiaomi 15 Ultra vs Xiaomi Redmi K80
Compare Xiaomi 15 Ultra vs Xiaomi Redmi K80 side by side: Qualcomm Snapdragon 8 Elite vs Qualcomm Snapdragon 8 Gen 3, 50MP vs 50MP camera, 6000mAh vs 6550mAh…
Xiaomi
15 Ultra
$1,499
8categories won
Xiaomi
Redmi K80
$389
4categories won
8 categories tied · 20 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 K80, delivering a stronger technical package across gaming and photography. For battery longevity and charging speed, the Redmi K80 takes the lead, while the 15 Ultra is the clear choice for demanding 3D gaming and heavy multitasking. Choose the 15 Ultra if you want the highest performance ceiling, or opt for the Redmi K80 if its lower retail price better fit your budget.
Redmi K80 takes battery honors offering 6,550 mAh alongside 90W 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 K80 wins on budget and value at $389 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 K80: specifications compared
Display
| Specification | 15 Ultra | Redmi K80 |
|---|---|---|
| Screen size | 6.73" | 6.67" |
| Resolution | 1440 x 3200 | 1440 x 3200 |
| Pixel density | 522 ppi | 526 ppi |
| Refresh rate | 120 Hz | 120 Hz |
| Peak brightness | 3200 nits | — |
Performance
| Specification | 15 Ultra | Redmi K80 |
|---|---|---|
| Chipset | Qualcomm Snapdragon 8 Elite | Qualcomm Snapdragon 8 Gen 3 |
| Process node | 3 nmWinner | 4 nm |
| AnTuTu score | 2,840,000Winner | 2,150,000 |
| Geekbench multi | 9940Winner | 6920 |
| Maximum RAM | 16 GB | 16 GB |
| Maximum storage | 1TB | 1TB |
Camera
| Specification | 15 Ultra | Redmi K80 |
|---|---|---|
| Main sensor | 50 MP | 50 MP |
| Rear cameras | 4Winner | 2 |
| Optical zoom | 4.3x | — |
| Ultrawide | 50 MPWinner | 8 MP |
| Selfie camera | 32 MPWinner | 20 MP |
| Max video | 8K at 30fps, 4K at 120fps Dolby Vision | 8K@24fps, 4K@60fps |
Battery and charging
| Specification | 15 Ultra | Redmi K80 |
|---|---|---|
| Capacity | 6,000 mAh | 6,550 mAhWinner |
| Wired charging | 90 W | 90 W |
| Wireless charging | 80 WWinner | No |
Design
| Specification | 15 Ultra | Redmi K80 |
|---|---|---|
| Weight | 226 g | 206 gWinner |
| Thickness | 9.4 mm | 8.1 mmWinner |
| Water resistance | IP68 | IP68 |
| Build | Aerospace aluminum frame, eco-leather or ceramic-glass back | Matte aluminum metal frame, circular deco camera module, glass back |
Software and support
| Specification | 15 Ultra | Redmi K80 |
|---|---|---|
| Operating system | Android 15 | Android 15 |
| OS updates | 4 years | 4 years |
| Security updates | 6 yearsWinner | 5 years |
Connectivity and value
| Specification | 15 Ultra | Redmi K80 |
|---|---|---|
| 5G | Yes | Yes |
| Wi-Fi | Wi-Fi 7 (802.11be) | Wi-Fi 7 (802.11be) |
| Storage expansion | None | None |
| 3.5mm jack | No | No |
| Launch price | $1,499 | $389Winner |
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 K80
The Redmi K80 redefines flagship-killer boundaries with a massive 6,550mAh high-density silicon-carbon battery, a breathtaking 2K 120Hz OLED display reaching 3,200 nits, Snapdragon 8 Gen 3 silicon, and IP68 waterproof resistance.
- Display
- 6.67"
- Chipset
- Qualcomm Snapdragon 8 Gen 3
- Main camera
- 50MP
- Battery
- 6,550mAh