OnePlus 13 vs Xiaomi 15 Ultra
A spec-by-spec comparison of the OnePlus 13 and the Xiaomi 15 Ultra, taken from their full specification sheets. Green marks the better value in each measured row.
VS
Head to head
| OnePlus 13 | Xiaomi 15 Ultra | |
|---|---|---|
| Our rating | 9/10 | 9/10 |
| Battery | 6,000 mAh | 5,410 mAh |
| Wired charging | 100W | 90W |
| RAM (max) | 24 GB | 16 GB |
| Storage (max) | 512 GB | 512 GB |
| Screen size | 6.82 in | 6.73 in |
| Refresh rate | 120 Hz | 120 Hz |
| Main camera | 50 MP | 200 MP |
| Weight (lower is lighter) | 210 g | 226 g |
| Released | Jan 2025 | Feb 2025 |
Summary: OnePlus 13 is ahead on battery, wired charging, ram (max), screen size. Xiaomi 15 Ultra is ahead on main camera.
Display
| OnePlus 13 | Xiaomi 15 Ultra | |
|---|---|---|
| Type | LTPO 4.1 AMOLED, 1B colors, 120Hz ProXDR Display, HDR10+, Dolby Vision®, HDR Vivid | LTPO AMOLED, 1B colors, 120Hz, Dolby Vision, HDR10+, 3528.5 nits (peak) |
| Size | 6.82 inches, 113.0 cm² (~91.5% screen-to-body ratio) | 6.73 inches |
| Resolution | 1440 x 3168 pixels, 19.8:9 ratio (~510 ppi density) | 1440 x 3200 pixels |
| Protection | Ceramic Guard | Xiaomi Shield Glass 2.0 |
| Brightness | 1600 nits (HBM), 4500 nits (peak) | — |
| Features | 1-120Hz dynamic refresh rate, Nature tone display, Eye comfort, Bedtime mode, Image sharpener, Video color enhancer, Screen color mode, Color vision enhancement, Auto brightness, Manual brightness, Screen Color Temperature, Bright HDR video mode, Night mode, Multi-brightness color calibration, Aqua Touch 2.0, RadiantView, Intelligent Eye Care 4.0 | — |
Platform
| OnePlus 13 | Xiaomi 15 Ultra | |
|---|---|---|
| OS | Android 15, OxygenOS 15.0 | Android 15, HyperOS 2 |
| Chipset | Qualcomm Snapdragon 8 Elite Mobile Platform (4 nm) | Qualcomm Snapdragon 8 Elite (4 nm) |
| CPU | Octa-core (Next-gen 8-core Oryon™ CPU) | Octa-core (2x Prime Core 4.32 GHz, 6x Performance Core 3.53 GHz) |
| GPU | Adreno GPU | Adreno™ GPU |
Memory
| OnePlus 13 | Xiaomi 15 Ultra | |
|---|---|---|
| Card slot | No | — |
| Internal | 256GB 12GB RAM, 512GB 12GB RAM, 512GB 16GB RAM, 1TB 24GB RAM | 256GB 12GB RAM, 512GB 16GB RAM, 1TB 16GB RAM |
| Type | UFS 4.0 | — |
| Card Slot | — | No |
Main Camera
| OnePlus 13 | Xiaomi 15 Ultra | |
|---|---|---|
| Triple | 50 MP, f/1.6, 23mm (wide), 1/1.43", 1.12µm, multi-directional PDAF, OIS (Sony LYT-808); 50 MP, f/2.6, 73mm (periscope telephoto), 1/1.95", 3x optical zoom, PDAF, OIS (Sony LYT-600 with Triprism design); 50 MP, f/2.0, 15mm, 120˚ (ultrawide), PDAF (Samsung ISOCELL JN5) | — |
| Features | Hasselblad Color Calibration, Dual-LED flash, HDR, panorama, Clear Burst, dual exposure, Action Mode, Portrait Mode, Master Mode, AI Detail Boost, AI Unblur, AI Reflection Eraser, High Pixel mode | Leica lenses, Dual-LED flash, HDR, panorama, variable aperture |
| Video | 8K@30fps (main camera), 4K@30/60fps, 1080p@30/60/240fps, gyro-EIS, OIS, HDR, 4K Dolby Vision capture with every camera | 8K@24/30fps, 4K@24/30/60/120fps, 1080p@30/60/120/240/480/960/1920fps, gyro-EIS, OIS, HDR10+, 10-bit video |
| Quad | — | 50 MP, f/1.6, 23mm (wide), 1.0"-type, multi-directional PDAF, Laser AF, OIS; 50 MP, f/2.2, 12mm, 122˚ (ultrawide), AF; 50 MP, f/1.8, 75mm (telephoto), PDAF, OIS, 3.2x optical zoom; 200 MP, f/2.6, 120mm (periscope telephoto), 1/1.4"-type, PDAF, OIS, 5x optical zoom |
Selfie Camera
| OnePlus 13 | Xiaomi 15 Ultra | |
|---|---|---|
| Single | 16 MP, f/2.4, 21mm (wide) | 32 MP, f/2.0, 22mm (wide) |
| Features | Auto-HDR | HDR, panorama |
| Video | 4K@30fps, 1080p@30fps, gyro-EIS | 4K@30/60fps, 1080p@30/60fps, gyro-EIS |
Battery
| OnePlus 13 | Xiaomi 15 Ultra | |
|---|---|---|
| Type | Silicon-carbon, non-removable, dual-cell design | Li-Po 5410 mAh, non-removable |
| Capacity | 6000 mAh (typical) | — |
| Charging | 100W SUPERVOOC wired (100% in 36 min), 50W AIRVOOC wireless (100% in 75 min), 50W magnetic charger (with magnetic case, 100% in 75 min), 10W reverse wireless | 90W wired, PD3.0, QC4, 100% in 35 min (approx.); 80W wireless, 100% in 49 min (approx.); 10W reverse wireless |
Body
| OnePlus 13 | Xiaomi 15 Ultra | |
|---|---|---|
| Dimensions | 162.9 x 76.5 x 8.5 mm (Arctic Dawn/Black Eclipse); 162.9 x 76.5 x 8.9 mm (Midnight Ocean) | 161.3 x 75.3 x 9.4 mm |
| Weight | 210g or 213g | 226g (Glass fiber/Vegan leather), 229g (Silver Chrome) |
| Build | Glass front (Ceramic Guard), glass back, aluminum frame with quad-curved design and flat mid-frame | Glass front (Xiaomi Shield Glass 2.0), aluminum frame, glass fiber or vegan leather back |
| SIM | Dual SIM (Nano-SIM, dual stand-by) | Dual SIM (Nano-SIM, dual stand-by) or eSIM |
| Durability | IP68/IP69 dust/water resistant | — |
| IP Rating | — | IP68 dust/water resistant (up to 1.5m for 30 min) |
Comms
| OnePlus 13 | Xiaomi 15 Ultra | |
|---|---|---|
| WLAN | Wi-Fi 802.11 a/b/g/n/ac/6e/7, dual-band, 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 | 5.4, A2DP, LE, aptX HD, aptX Adaptive |
| Positioning | GPS (L1+L5), GLONASS (G1), BDS (B1I+B1c+B2a), GALILEO (E1+E5a), QZSS (L1+L5) | GPS (L1+L5), GLONASS (G1), BDS (B1I+B1c+B2a), GALILEO (E1+E5a), QZSS (L1+L5), NavIC (L5) |
| NFC | Yes | Yes |
| Radio | No | — |
| USB | USB Type-C 3.2, OTG | USB Type-C 3.2, OTG |
| Infrared port | — | Yes |
Launch
| OnePlus 13 | Xiaomi 15 Ultra | |
|---|---|---|
| Announced | 2024, October 31 (China); 2025, January 7 (Global) | 2025, February 27 |
| Status | Available. Released 2025, January 7. | Available |
Frequently asked questions
Which has the better battery, OnePlus 13 or Xiaomi 15 Ultra?
OnePlus 13 — 6,000 mAh for the OnePlus 13 versus 5,410 mAh for the Xiaomi 15 Ultra.
Which has more RAM, OnePlus 13 or Xiaomi 15 Ultra?
OnePlus 13 — 24 GB for the OnePlus 13 versus 16 GB for the Xiaomi 15 Ultra.
Which is lighter, OnePlus 13 or Xiaomi 15 Ultra?
OnePlus 13 — 210 g for the OnePlus 13 versus 226 g for the Xiaomi 15 Ultra.
Which is newer, OnePlus 13 or Xiaomi 15 Ultra?
Xiaomi 15 Ultra — Jan 2025 for the OnePlus 13 versus Feb 2025 for the Xiaomi 15 Ultra.
Is the OnePlus 13 or the Xiaomi 15 Ultra rated higher?
We rate the OnePlus 13 9/10 and the Xiaomi 15 Ultra 9/10.