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Smartphone comparison

Xiaomi 15 Ultra vs Xiaomi 17 Ultra

Compare cameras, battery, screen and everyday features.

Compared products
01Selected
Xiaomi 15 Ultra

Xiaomi 15 Ultra

  • About 120 Hz display refresh rate.
  • About 6.73 inch screen.
  • Qualcomm SM8750-AB Snapdragon 8 Elite (3 nm) processor.
  • Storage: UFS 4.1.
  • 90 W rated wired charging power.
KSh 142,000In Stock
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02
Xiaomi 17 Ultra

Xiaomi 17 Ultra

  • About 120 Hz display refresh rate.
  • About 6.9 inch screen.
  • Qualcomm SM8850-AC Snapdragon 8 Elite Gen 5 (3 nm) processor.
  • 16 GB RAM in this version.
  • Storage: UFS 4.1.
KSh 164,000Out of Stock

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Google Pixel 11 Pro 256GBKSh 141,000
Xiaomi 17 Pro MaxKSh 131,000
Samsung Galaxy S26 UltraKSh 124,000
Vivo X300 Pro 5GKSh 149,000
Google Pixel 11 Pro XL 256GBKSh 132,000
iPhone 17 ProKSh 155,000
iPhone 17 Pro MaxKSh 162,000
2 of 4 products

Our quick verdict

With the same IP68 rating and 50 MP main camera, the Xiaomi 17 Ultra has a bigger battery (6,000 mAh), a larger 6.9-inch screen and sharper selfies (50 MP), while the Xiaomi 15 Ultra has a sharper screen and charges faster wirelessly (80 W).

Display

Xiaomi 15 Ultra
About 6.73 inch screen
Xiaomi 17 Ultra
About 6.9 inch screen

Performance

Xiaomi 15 Ultra
Qualcomm SM8750-AB Snapdragon 8 Elite (3 nm) processor
Xiaomi 17 Ultra
Qualcomm SM8850-AC Snapdragon 8 Elite Gen 5 (3 nm) processor

Memory

Xiaomi 15 Ultra
Up to 16 GB RAM
Xiaomi 17 Ultra
16 GB RAM

Battery capacity

Xiaomi 15 Ultra
5,410 mAh battery
Xiaomi 17 Ultra
6,000 mAh battery

Charging

Xiaomi 15 Ultra
90 W wired, 80 W wireless charging
Xiaomi 17 Ultra
90 W wired, 50 W wireless charging

Key differences

The main differences to help you choose.

Xiaomi 15 Ultra

  • Sharper screen: 522 ppi (vs 416 ppi).
  • Faster wireless charging: 80 W (vs 50 W).

Xiaomi 17 Ultra

  • Bigger battery: 6,000 mAh (vs 5,410 mAh).
  • Higher rated immersion depth: 6 m (vs 1.5 m), both IP68.
  • Larger 6.9-inch screen (vs 6.73-inch).
  • Higher-resolution selfie camera: 50 MP (vs 32 MP).
  • Slimmer: 8.3 mm thick (vs 9.4 mm).
  • Newer Android 16 (vs Android 15).

What matters most to you?

Choose any priorities

How each product answers the questions buyers ask most. Tick a topic to add it, untick one to hide it.

More topicsFewer topics
6 priorities selected.
How each product answers the selected priorities
PriorityXiaomi 15 UltraXiaomi 17 Ultra
Display6.73-inch OLED display, 120 Hz, 522 ppi6.9-inch OLED display, 120 Hz, 416 ppi
Camera50 MP main camera with OIS, plus a 3x telephoto camera50 MP main camera with OIS, plus a telephoto camera
PerformanceQualcomm Snapdragon 8 Elite processorQualcomm Snapdragon 8 Elite Gen 5 processor
MemoryUp to 16 GB RAM16 GB RAM
Battery capacity5,410 mAh battery6,000 mAh battery
Charging90 W wired, 80 W wireless charging90 W wired, 50 W wireless charging

Detailed comparison

Explore the full specifications, section by section.

General

General specifications comparison
SpecificationXiaomi 15 UltraXiaomi 17 Ultra
BrandXiaomiXiaomi
Model15 Ultra17 Ultra
Announced2025, February 272026, February 28
Release statusAvailable. Released 2025, February 27Available. Released 2026, March 10
Model numbers25010PN30G25128PNA1G, 2512BPNDAG

Design

Design specifications comparison
SpecificationXiaomi 15 UltraXiaomi 17 Ultra
Dimensions161.3 x 75.3 x 9.4 mm (6.35 x 2.96 x 0.37 in)162.9 x 77.6 x 8.3 mm (6.41 x 3.06 x 0.33 in)
Weight226 g or 229 g (7.97 oz)218.4 g or 223.4 g (7.69 oz)
Build materialsGlass front, glass-fiber reinforced plastic back or silicone polymer back (eco leather), aluminum frameGlass front, glass-fiber reinforced plastic back / silicone polymer back (eco leather), aluminum frame
Additional body featuresAerospace-grade glass fiberAerospace-grade glass fiber

Display

Display specifications comparison
SpecificationXiaomi 15 UltraXiaomi 17 Ultra
Display6.73 inches, 108.9 cm2 (~89.7% screen-to-body ratio); LTPO AMOLED, 68B colors, 120Hz, 1920Hz PWM, Dolby Vision, HDR10+, HDR Vivid, 3200 nits (peak)6.9 inches, 116.6 cm2 (~92.3% screen-to-body ratio); LTPO AMOLED, 68B colors, 120Hz, 2160Hz PWM, Dolby Vision, HDR10+, 3500 nits (peak)
Screen resolution1440 x 3200 pixels, 20:9 ratio (~522 ppi density)1200 x 2608 pixels, 19.5:9 ratio (~416 ppi density)
Display protectionXiaomi Shield Glass 2.0Xiaomi Shield Glass 3.0
Display featuresLTPO AMOLED, 68B colors, 120Hz, 1920Hz PWM, Dolby Vision, HDR10+, HDR Vivid, 3200 nits (peak)LTPO AMOLED, 68B colors, 120Hz, 2160Hz PWM, Dolby Vision, HDR10+, 3500 nits (peak)

Performance

Performance specifications comparison
SpecificationXiaomi 15 UltraXiaomi 17 Ultra
ProcessorQualcomm SM8750-AB Snapdragon 8 Elite (3 nm)Qualcomm SM8850-AC Snapdragon 8 Elite Gen 5 (3 nm)
CPUOcta-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)
GPUAdreno 830Adreno 840

Memory & Storage

Memory & Storage specifications comparison
SpecificationXiaomi 15 UltraXiaomi 17 Ultra
RAM12GB / 16GB16GB
Storage256GB / 512GB / 1TB512GB / 1TB
Storage technologyUFS 4.1UFS 4.1
Expandable storageNoNo
Memory configurations256GB 12GB RAM, 512GB 16GB RAM, 1TB 16GB RAM512GB 16GB RAM, 1TB 16GB RAM

Cameras

Cameras specifications comparison
SpecificationXiaomi 15 UltraXiaomi 17 Ultra
Rear camera50 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), 1.0"-type, 1.6µm, dual pixel PDAF, OIS 200 MP, f/2.4-3.0, 75-100mm (periscope telephoto), 1/1.4", 0.56µm, multi-directional PDAF (30cm - ∞), OIS, 3.2-4.3x continuous optical zoom, zoom ring 50 MP, f/2.2, 14mm, 115˚ (ultrawide), 1/2.76", 0.64µm, dual pixel PDAF TOF 3D, (depth)
Front camera32 MP, f/2.0, 21mm (wide), 1/3.14", 0.7µm50 MP, f/2.2, 21mm (wide), 1/2.7", 0.61µm, AF
Rear camera featuresLaser AF, color spectrum sensor, Leica lenses, Dual-LED flash, HDR, panorama, 67mm filter ring holder (optional)Laser AF, color spectrum sensor, Leica lenses, Dual-LED flash, HDR, panorama
Rear camera video8K@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, 4K@30/60/120fps, 1080p@30/60/120/240/480/960/1920fps, gyro-EIS, Dolby Vision HDR 10-bit rec. (4K@60fps, 1080p)
Front camera featuresHDR, panoramaHDR, panorama
Front camera video4K@30/60fps, 1080p@30/60fps, gyro-EIS4K@30/60fps, 1080p@30/60/120fps, gyro-EIS

Battery & Charging

Battery & Charging specifications comparison
SpecificationXiaomi 15 UltraXiaomi 17 Ultra
BatteryMarket-dependent versions: · Si/C Li-Ion 5410 mAh - Global · Si/C Li-Ion 6000 mAh - ChinaSi/C Li-Ion 6000 mAh
Charging90W wired, PD3.0, QC3+ 80W wireless 10W reverse wireless90W wired, 90W PPS, PD3.0, QC3+ 50W wireless 22.5W reverse wired 10W reverse wireless

Software

Software specifications comparison
SpecificationXiaomi 15 UltraXiaomi 17 Ultra
Operating systemAndroid 15, up to 4 major OS updates, HyperOS 3Android 16, upgradable to Android 17, HyperOS 3

Network

Network specifications comparison
SpecificationXiaomi 15 UltraXiaomi 17 Ultra
NetworkGSM / HSPA / LTE / 5GGSM / HSPA / LTE / 5G
SIM· Nano-SIM + Nano-SIM · Nano-SIM + Nano-SIM + eSIM + eSIM (max 2 at a time)Nano-SIM + Nano-SIM + eSIM + eSIM + eSIM (max 2 at a time)
2G bandsGSM 850 / 900 / 1800 / 1900GSM 850 / 900 / 1800 / 1900
3G bandsHSDPA 800 / 850 / 900 / 1700(AWS) / 1900 / 2100HSDPA 800 / 850 / 900 / 1700(AWS) / 1800 / 1900 / 2100
4G bands1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 18, 19, 20, 25, 26, 28, 32, 38, 39, 40, 41, 42, 48, 66, 71 - International; 1, 2, 3, 4, 5, 7, 8, 12, 17, 18, 19, 20, 26, 28, 34, 38, 39, 40, 41, 42, 48, 66 - China1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 18, 19, 20, 25, 26, 28, 32, 38, 39, 40, 41, 42, 48, 66, 71
5G bands1, 2, 3, 5, 7, 8, 12, 20, 25, 26, 28, 38, 40, 41, 48, 66, 71, 75, 77, 78, 79 SA/NSA - International; 1, 2, 3, 5, 7, 8, 12, 20, 26, 28, 38, 40, 41, 48, 66, 77, 78, 79, 80, 81, 83, 84, 89 SA/NSA - China1, 2, 3, 5, 7, 8, 12, 20, 25, 26, 28, 38, 40, 41, 48, 66, 71, 75, 77, 78, 79 SA/NSA
Network speedHSPA, LTE, 5GHSPA, LTE, 5G

Connectivity

Connectivity specifications comparison
SpecificationXiaomi 15 UltraXiaomi 17 Ultra
NFCYesYes
Bluetooth6.0, A2DP, LE, aptX HD, aptX Adaptive, LHDC 56.0, A2DP, LE, aptX HD, aptX Adaptive, LHDC 5, MIHC
Wi-FiWi-Fi 802.11 a/b/g/n/ac/6e/7, dual-band or tri-band, Wi-Fi DirectWi-Fi 802.11 a/b/g/n/ac/6e/7, dual-band or tri-band, Wi-Fi Direct
PositioningGPS (L1+L5), BDS (B1I+B1c+B2a), GALILEO (E1+E5a), QZSS (L1+L5), NavIC (L5), GLONASSGPS (L1+L5), BDS (B1I+B1c+B2a), GALILEO (E1+E5a), QZSS (L1+L5), NavIC (L5), GLONASS
RadioNoNo
USBUSB Type-C 3.2 Gen 2, DisplayPort, OTGUSB Type-C 3.2 Gen 2, DisplayPort, OTG
Satellite featuresTwo-way satellite communication (China model only)—
InfraredYesYes

Durability

Durability specifications comparison
SpecificationXiaomi 15 UltraXiaomi 17 Ultra
Water resistanceIP68 dust tight and water resistant (immersible up to 1.5m for 30 min)IP68/IP69 dust tight and water resistant (high pressure water jets; immersible up to 6m for 30 min)

Features

Features specifications comparison
SpecificationXiaomi 15 UltraXiaomi 17 Ultra
SensorsFingerprint (under display, ultrasonic), accelerometer, proximity, gyro, compass, barometerFingerprint (under display, ultrasonic), accelerometer, proximity, gyro, compass, barometer
ColorsBlack, White, Silver Chrome, GreenBlack, White, Starlit Green
Additional featuresTwo-way satellite communication (China model only)—

Audio

Audio specifications comparison
SpecificationXiaomi 15 UltraXiaomi 17 Ultra
LoudspeakersYes, with stereo speakersYes, with stereo speakers
3.5 mm headphone jackNoNo
Audio features24-bit/192kHz Hi-Res & Hi-Res Wireless audio; Qualcomm XPAN (24-bit/96kHz audio)24-bit/192kHz Hi-Res & Hi-Res Wireless audio

Regulatory

Regulatory specifications comparison
SpecificationXiaomi 15 UltraXiaomi 17 Ultra
SAR (EU)1.00 W/kg (head)     1.00 W/kg (body)—

Tests

Tests specifications comparison
SpecificationXiaomi 15 UltraXiaomi 17 Ultra
Measured loudspeaker loudness-24.1 LUFS (Very good)-24.1 LUFS (Very good)
Active use battery scoreActive use score 16:13hActive use score 19:09h
Performance benchmarks—AnTuTu: 2777490 (v10), 3863387 (v11) GeekBench: 10896 (v6) 3DMark: 6948 (Wild Life Extreme)
Measured display brightness—1132 nits max brightness (measured)

EU label

EU label specifications comparison
SpecificationXiaomi 15 UltraXiaomi 17 Ultra
EnergyClass A—
Battery58:58h endurance, 1000 cycles—
Free fallClass C (90 falls)—
RepairabilityClass C—

Similarities

  • Both are rated IP68.
  • Both have optical image stabilisation.
  • Both support Wi-Fi 7.
  • Both use Bluetooth 6.0.
  • Both have NFC.
  • Both have an aluminium frame.

In summary

For most buyers the Xiaomi 17 Ultra is the better buy; the Xiaomi 15 Ultra makes sense if you want a sharper screen.

Back to compared products ↑

In-stock alternatives

Google Pixel 11 Pro 256GBFor Xiaomi 15 UltraGoogle Pixel 11 Pro 256GBView product ↗Google Pixel 11 Pro XL 256GBFor Xiaomi 15 UltraGoogle Pixel 11 Pro XL 256GBView product ↗iPhone 17 ProFor Xiaomi 17 UltraiPhone 17 ProView product ↗Xiaomi 17 Pro MaxFor Xiaomi 17 UltraXiaomi 17 Pro MaxView product ↗

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