Xiaomi 15 Ultra vs Xiaomi 18 Pro Max
Compare specifications, current prices and availability. Choose up to four products from the same family.
Add up to 2 more items to compare
Vivo X300 Pro 5GKSh 149,000.00
Xiaomi 17 Pro MaxKSh 126,000.00
Google Pixel 11 Pro XL 256GBKSh 150,000.00
Google Pixel 11 Pro 256GBKSh 140,000.00
Quick comparison
At a glance
Key specifications and important differences. Full details follow below.
| Feature |  Xiaomi 15 Ultra | Xiaomi 18 Pro Max |
|---|---|---|
| Price | KSh 142,000 | KSh 126,000.00 |
| Display | 6.73 inches, 108.9 cm2 (~89.7% screen-to-body ratio); LTPO AMOLED | 6.9 inches, 116.6 cm2 (~92.3% screen-to-body ratio); LTPO AMOLED, 68B colors, 2160Hz PWM, 120Hz, Dolby Vision, HDR Vivid, HDR10+, 3500 nits (peak) |
| Processor | Qualcomm SM8750-AB Snapdragon 8 Elite (3 nm) | Qualcomm SM8850-AC Snapdragon 8 Elite Gen 5 (3 nm) |
| RAM | 12GB, 16GB | 12GB, 16GB |
| Storage | 256GB, 512GB, 1TB | 512GB |
| Rear camera | 50 MP, f/1.6, 23mm (wide), 1.0"-type, 1.6µm, dual pixel PDAF, OIS; 50 MP, f/1.8, 70mm (telephoto), 1/2.51", 0.7µm, dual pixel PDAF (10cm - ∞), OIS, 3x optical zoom; 200 MP, f/2.6, 100mm (periscope telephoto), 1/1.4", 0.56µm, multi-directional PDAF, OIS, 4.3x optical zoom; 50 MP, f/2.2, 14mm, 115˚ (ultrawide), 1/2.76", 0.64µm, dual pixel PDAF; TOF 3D, (depth) | 50 MP, f/1.7, 23mm (wide), 1/1.28", 1.22μm, dual pixel PDAF, OIS 50 MP, f/2.6, 115mm (periscope telephoto), 1/1.95", 0.8μm, PDAF (30cm - ∞), OIS, 5x optical zoom 50 MP, f/2.4, 17mm, 102˚ (ultrawide), 1/2.88", 0.61μm, PDAF |
| Battery | Si/C Li-Ion 5410 mAh (Global); Si/C Li-Ion 6000 mAh (China) | Si/C Li-Ion 7500 mAh |
| Charging | 90W wired, PD3.0, QC3+; 80W wireless; 10W reverse wireless | 100W wired, PD3.0, QC3+, 100W PPS 50W wireless 22.5W reverse wireless |
| Weight | 226 g or 229 g (7.97 oz) | 219 g (7.72 oz) |
| Operating system | Android 15, up to 4 major OS updates, HyperOS 3 | Android 16, HyperOS 3 |
| Network | GSM / HSPA / LTE / 5G | GSM / HSPA / LTE / 5G |
No differences in these highlights for the visible products.
Full specifications
2 of 4 products
No specification differences for the visible products. Turn off “Show differences only” to see all published specifications.
General
| Specification | Xiaomi 15 Ultra | Xiaomi 18 Pro Max |
|---|---|---|
| Brand | Xiaomi | Xiaomi |
| Model | Xiaomi 15 Ultra | — |
| Announced | 2025, February 27 | — |
Design
| Specification | Xiaomi 15 Ultra | Xiaomi 18 Pro Max |
|---|---|---|
| Dimensions | 161.3 x 75.3 x 9.4 mm (6.35 x 2.96 x 0.37 in) | 162.9 x 77.6 x 8 mm (6.41 x 3.06 x 0.31 in) |
| Weight | 226 g or 229 g (7.97 oz) | 219 g (7.72 oz) |
| Build materials | Glass front, glass-fiber reinforced plastic back or silicone polymer back (eco leather), aluminum frame | Glass front (Dragon Crystal Glass 3), aluminum frame |
Display
| Specification | Xiaomi 15 Ultra | Xiaomi 18 Pro Max |
|---|---|---|
| Display | 6.73 inches, 108.9 cm2 (~89.7% screen-to-body ratio); LTPO AMOLED | 6.9 inches, 116.6 cm2 (~92.3% screen-to-body ratio); LTPO AMOLED, 68B colors, 2160Hz PWM, 120Hz, Dolby Vision, HDR Vivid, HDR10+, 3500 nits (peak) |
| Screen resolution | 1440 x 3200 pixels, 20:9 ratio (~522 ppi density) | 1200 x 2608 pixels, 19.5:9 ratio (~416 ppi density) |
| Display protection | Xiaomi Shield Glass 2.0, Mohs level 6 | Xiaomi Dragon Crystal Glass 3 |
| Display features | 68B colors, 120Hz, 1920Hz PWM, Dolby Vision, HDR10+, HDR Vivid, 3200 nits (peak) | Secondary display (on the back): LTPO AMOLED, 120Hz, Dolby Vision, HDR Vivid, HDR10+, 3500 nits (peak) 2.9 inches, 596 x 976 pixels |
Performance
| Specification | Xiaomi 15 Ultra | Xiaomi 18 Pro Max |
|---|---|---|
| Processor | Qualcomm SM8750-AB Snapdragon 8 Elite (3 nm) | Qualcomm SM8850-AC Snapdragon 8 Elite Gen 5 (3 nm) |
| CPU | Octa-core (2x4.32 GHz Oryon V2 Phoenix L + 6x3.53 GHz Oryon V2 Phoenix M) | Octa-core (2x4.6 GHz Oryon V3 Phoenix L + 6x3.62 GHz Oryon V3 Phoenix M) |
| GPU | Adreno 830 | Adreno 840 |
Memory & Storage
| Specification | Xiaomi 15 Ultra | Xiaomi 18 Pro Max |
|---|---|---|
| RAM | 12GB, 16GB | 12GB, 16GB |
| Storage | 256GB, 512GB, 1TB | 512GB |
| Storage technology | UFS 4.1 | UFS 4.1 |
| Expandable storage | No | No |
Cameras
| Specification | Xiaomi 15 Ultra | Xiaomi 18 Pro Max |
|---|---|---|
| Rear camera | 50 MP, f/1.6, 23mm (wide), 1.0"-type, 1.6µm, dual pixel PDAF, OIS; 50 MP, f/1.8, 70mm (telephoto), 1/2.51", 0.7µm, dual pixel PDAF (10cm - ∞), OIS, 3x optical zoom; 200 MP, f/2.6, 100mm (periscope telephoto), 1/1.4", 0.56µm, multi-directional PDAF, OIS, 4.3x optical zoom; 50 MP, f/2.2, 14mm, 115˚ (ultrawide), 1/2.76", 0.64µm, dual pixel PDAF; TOF 3D, (depth) | 50 MP, f/1.7, 23mm (wide), 1/1.28", 1.22μm, dual pixel PDAF, OIS 50 MP, f/2.6, 115mm (periscope telephoto), 1/1.95", 0.8μm, PDAF (30cm - ∞), OIS, 5x optical zoom 50 MP, f/2.4, 17mm, 102˚ (ultrawide), 1/2.88", 0.61μm, PDAF |
| Front camera | 32 MP, f/2.0, 21mm (wide), 1/3.14", 0.7µm | 50 MP, f/2.2, 21mm (wide), 1/2.88", 0.61μm, PDAF |
| Rear camera features | Laser AF, color spectrum sensor, Leica lenses, Dual-LED flash, HDR, panorama, 67mm filter ring holder (optional) | Laser AF, color spectrum sensor, Leica lens, Dual-LED dual-tone flash, HDR, panorama |
| Rear camera video | 8K@30fps, 4K@30/60/120fps, 1080p@30/60/120/240/480/960/1920fps, gyro-EIS, Dolby Vision HDR 10-bit rec. (4K@60fps, 1080p) | 8K@30fps (HDR), 4K@30/60/120fps (HDR10+, 10-bit Dolby Vision HDR, 10-bit LOG), 1080p@30/60/120/240/960fps, 720p@1920fps, gyro-EIS |
| Front camera features | HDR, panorama | HDR, panorama |
| Front camera video | 4K@30/60fps, 1080p@30/60fps, gyro-EIS | 4K@30/60fps, 1080p@30/60fps, HDR10+, gyro-EIS |
Battery & Charging
| Specification | Xiaomi 15 Ultra | Xiaomi 18 Pro Max |
|---|---|---|
| Battery | Si/C Li-Ion 5410 mAh (Global); Si/C Li-Ion 6000 mAh (China) | Si/C Li-Ion 7500 mAh |
| Charging | 90W wired, PD3.0, QC3+; 80W wireless; 10W reverse wireless | 100W wired, PD3.0, QC3+, 100W PPS 50W wireless 22.5W reverse wireless |
Software
| Specification | Xiaomi 15 Ultra | Xiaomi 18 Pro Max |
|---|---|---|
| Operating system | Android 15, up to 4 major OS updates, HyperOS 3 | Android 16, HyperOS 3 |
Network
| Specification | Xiaomi 15 Ultra | Xiaomi 18 Pro Max |
|---|---|---|
| Network | GSM / HSPA / LTE / 5G | GSM / HSPA / LTE / 5G |
| SIM | Nano-SIM + Nano-SIM; Nano-SIM + Nano-SIM + eSIM + eSIM (max 2 at a time) | Nano-SIM + Nano-SIM |
Connectivity
| Specification | Xiaomi 15 Ultra | Xiaomi 18 Pro Max |
|---|---|---|
| NFC | Yes | Yes |
| Bluetooth | 6.0, A2DP, LE, aptX HD, aptX Adaptive, LHDC 5 | 5.4, A2DP, LE, aptX HD, aptX Adaptive, LHDC 5 |
| Wi-Fi | Wi-Fi 802.11 a/b/g/n/ac/6e/7, dual-band or tri-band, Wi-Fi Direct | Wi-Fi 802.11 a/b/g/n/ac/6e/7, dual-band, Wi-Fi Direct |
| Positioning | GPS (L1+L5), BDS (B1I+B1c+B2a), GALILEO (E1+E5a), QZSS (L1+L5), NavIC (L5), GLONASS | GPS (L1+L5), BDS (B1I+B1c+B2a), GALILEO (E1+E5a), QZSS (L1+L5), NavIC (L5), GLONASS |
| Radio | No | No |
| USB | USB Type-C 3.2 Gen 2, DisplayPort, OTG | USB Type-C 3.2, Display Port, OTG |
| Satellite features | Two-way satellite communication (China model only) | — |
| Infrared | — | Yes |
Durability
| Specification | Xiaomi 15 Ultra | Xiaomi 18 Pro Max |
|---|---|---|
| Water resistance | IP68 dust tight and water resistant (immersible up to 1.5m for 30 min) | IP68 dust tight and water resistant (immersible up to 6m for 30 min) |
Features
| Specification | Xiaomi 15 Ultra | Xiaomi 18 Pro Max |
|---|---|---|
| Sensors | Fingerprint (under display, ultrasonic), accelerometer, proximity, gyro, compass, barometer | Fingerprint (under display, ultrasonic), accelerometer, proximity, gyro, compass, barometer |
| Colors | Black, White, Silver Chrome, Green | — |
| Additional features | — | Ultra Wideband (UWB) support |
Audio
| Specification | Xiaomi 15 Ultra | Xiaomi 18 Pro Max |
|---|---|---|
| Loudspeakers | Yes, with stereo speakers; 24-bit/192kHz Hi-Res & Hi-Res Wireless audio; Qualcomm XPAN (24-bit/96kHz audio) | Yes, with stereo speakers (with Dolby Atmos) |
| 3.5 mm headphone jack | No | No |
| Audio features | — | 24-bit/192kHz Hi-Res & Hi-Res wireless audio Snapdragon sound |
Related comparisons
Xiaomi 15 UltraXiaomi 17 Pro MaxXiaomi 15 Ultra
Google Pixel 10 Pro XLVivo X300 Pro 5GXiaomi 17 Pro MaxXiaomi 15 Ultra
Samsung Galaxy S26 Ultra
Vivo X200 Pro 5GXiaomi 15 UltraXiaomi 17 Pro MaxGoogle Pixel 11 Pro XL 256GBXiaomi 17 Pro MaxGoogle Pixel 11 Pro 256GBXiaomi 15 UltraVivo X300 Pro 5GXiaomi 15 Ultra
OnePlus Ace 5 Pro
Samsung Galaxy S24 UltraXiaomi 15 Ultra