OnePlus 12 vs Xiaomi 15
A spec-by-spec comparison of the OnePlus 12 and the Xiaomi 15, taken from their full specification sheets. Green marks the better value in each measured row.
VS
Head to head
| OnePlus 12 | Xiaomi 15 | |
|---|---|---|
| Our rating | 8/10 | 9/10 |
| Battery | 5,400 mAh | 5,240 mAh |
| Wired charging | 100W | 90W |
| Storage (max) | 512 GB | 512 GB |
| Screen size | 6.82 in | 6.36 in |
| Refresh rate | 120 Hz | 120 Hz |
| Main camera | 64 MP | 50 MP |
| Weight (lower is lighter) | 220 g | 181 g |
| Released | Jan 2024 | Mar 2025 |
Summary: OnePlus 12 is ahead on battery, wired charging, screen size, main camera. Xiaomi 15 is ahead on our rating, weight (lower is lighter).
Display
| OnePlus 12 | Xiaomi 15 | |
|---|---|---|
| Type | LTPO AMOLED, 1B colors, 120Hz, Dolby Vision, HDR10+, 600 nits (typ), 1600 nits (HBM), 4500 nits (peak) | OLED, 68B colors, 120Hz, HDR10+, Dolby Vision, 3200 nits (peak) |
| Size | 6.82 inches | 6.36 inches |
| Resolution | 1440 x 3168 pixels, 19.8:9 ratio (~510 ppi density) | 1200 x 2670 pixels (1.5K) |
| Protection | Corning Gorilla Glass Victus 2 | Xiaomi Shield Glass |
| Features | ProXDR Display, Nature Tone Display, Eye Comfort, Bedtime Mode, Image Sharpener, Video Color Enhancer | — |
Platform
| OnePlus 12 | Xiaomi 15 | |
|---|---|---|
| OS | Android 14, OxygenOS 14 (International) | Android 15, Xiaomi HyperOS 2 |
| Chipset | Qualcomm Snapdragon 8 Gen 3 (4 nm) | Qualcomm Snapdragon 8 Elite (3 nm) |
| CPU | Octa-core (1x3.3 GHz Cortex-X4 & 3x3.2 GHz Cortex-A720 & 2x3.0 GHz Cortex-A720 & 2x2.3 GHz Cortex-A520) | Octa-core (1x 4.32 GHz Prime + 4x Performance + 3x Efficiency) |
| GPU | Adreno 750 | Adreno 830 |
Memory
| OnePlus 12 | Xiaomi 15 | |
|---|---|---|
| RAM | 12GB or 16GB LPDDR5X | 12GB, 16GB LPDDR5X |
| Storage | 256GB, 512GB, or 1TB UFS 4.0 | 256GB, 512GB, 1TB UFS 4.0 |
| Card Slot | No | — |
| Card slot | — | No |
Main Camera
| OnePlus 12 | Xiaomi 15 | |
|---|---|---|
| Triple | 50 MP, f/1.6, 23mm (wide), 1/1.43", 1.12µm, multi-directional PDAF, OIS (Sony LYT-808 sensor); 64 MP, f/2.6, 70mm (periscope telephoto), 1/2.0", 0.7µm, PDAF, OIS, 3x optical zoom (OmniVision OV64B sensor); 48 MP, f/2.2, 14mm, 114˚ (ultrawide), 1/2.0", 0.8µm, PDAF (Sony IMX581 sensor) | 50 MP, f/1.6 (wide), 1/1.31", 1.2µm, dual pixel PDAF, OIS (Leica lens); 50 MP (ultrawide); 50 MP (telephoto) |
| Features | Hasselblad Color Calibration, Dual-LED flash, HDR, panorama, Master Mode, ProXDR | Leica optics, Dual-LED dual-tone flash, HDR, panorama |
| Video | 8K@24fps, 4K@30/60fps, 1080p@30/60/240/480fps, Auto HDR, gyro-EIS, Dolby Vision | 8K@24fps, 4K@24/30/60fps, 1080p@30/60/120/240/480/960/1920fps, gyro-EIS |
Selfie Camera
| OnePlus 12 | Xiaomi 15 | |
|---|---|---|
| Single | 32 MP, f/2.4, 21mm (wide), 1/2.74", 0.8µm (Sony IMX615 sensor) | 32 MP |
| Features | HDR, panorama | HDR, panorama |
| Video | 4K@30fps, 1080p@30fps, gyro-EIS | 4K@30/60fps, 1080p@30/60fps |
Battery
| OnePlus 12 | Xiaomi 15 | |
|---|---|---|
| Type | Li-Po 5400 mAh, non-removable | Silicon-carbon, non-removable |
| Charging | 100W wired (International, 1-100% in 26 min), 80W wired (USA, 1-100% in 30 min), 50W wireless (1-100% in 55 min), 10W reverse wireless | 90W wired, 50W wireless, 10W reverse wireless |
| Capacity | — | 5240 mAh (Global) |
Body
| OnePlus 12 | Xiaomi 15 | |
|---|---|---|
| Dimensions | 164.3 x 75.8 x 9.2 mm (6.47 x 2.98 x 0.36 in) | 152.3 x 71.2 x 8.08 mm |
| Weight | 220 g (7.76 oz) | 181 g |
| Build | Glass front (Gorilla Glass Victus 2), glass back, aluminum frame | Glass front (Xiaomi Shield Glass), glass back, aluminum frame |
| SIM | Dual SIM (Nano-SIM, dual stand-by) | — |
| Colors | Flowy Emerald, Silky Black | — |
| Durability | IP65 dust/water resistant | — |
Comms
| OnePlus 12 | Xiaomi 15 | |
|---|---|---|
| WLAN | Wi-Fi 802.11 a/b/g/n/ac/ax/be, tri-band, Wi-Fi 7, Wi-Fi Direct | Wi-Fi 802.11 a/b/g/n/ac/6e/7, tri-band, Wi-Fi Direct |
| Bluetooth | 5.4, A2DP, LE, aptX HD, LHDC | 5.4, A2DP, LE, aptX HD |
| Positioning | GPS (L1+L5), GLONASS (G1), BDS (B1I+B1c+B2a), GALILEO (E1+E5a), A-GPS | GPS (L1+L5), GLONASS (G1), BDS (B1I+B1c+B2a), GALILEO (E1+E5a), QZSS (L1+L5), NavIC (L5) |
| NFC | Yes | Yes |
| Infrared Port | Yes | — |
| USB | USB Type-C 3.2 Gen 1, OTG | USB Type-C 3.2, OTG |
| Infrared port | — | Yes |
Launch
| OnePlus 12 | Xiaomi 15 | |
|---|---|---|
| Announced | December 5, 2023 | October 29, 2024 (China), March 3, 2025 (Global) |
| Status | Released January 23, 2024 (Global) | Released March 2025 |
Frequently asked questions
Which has the better battery, OnePlus 12 or Xiaomi 15?
OnePlus 12 — 5,400 mAh for the OnePlus 12 versus 5,240 mAh for the Xiaomi 15.
Which is lighter, OnePlus 12 or Xiaomi 15?
Xiaomi 15 — 220 g for the OnePlus 12 versus 181 g for the Xiaomi 15.
Which is newer, OnePlus 12 or Xiaomi 15?
Xiaomi 15 — Jan 2024 for the OnePlus 12 versus Mar 2025 for the Xiaomi 15.
Is the OnePlus 12 or the Xiaomi 15 rated higher?
We rate the OnePlus 12 8/10 and the Xiaomi 15 9/10.