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Smartphone comparison

Xiaomi 17 Ultra vs Vivo X300 Ultra

Compare cameras, battery, screen and everyday features.

Compared products
01Selected
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
02
Vivo X300 Ultra

Vivo X300 Ultra

  • About 144 Hz display refresh rate.
  • About 6.82 inch screen.
  • Qualcomm SM8850-AC Snapdragon 8 Elite Gen 5 (3 nm) processor.
  • 16 GB RAM in this version.
  • 512 GB storage in this version.
KSh 200,000Out of Stock

Add to comparison

2 spaces available

Google Pixel 11 Pro XL 512GBKSh 166,000
Xiaomi 18 Pro MaxKSh 170,000
iPhone 17 Pro MaxKSh 162,000
Google Pixel 11 Pro 512GBKSh 157,000
iPhone 17 ProKSh 155,000
Xiaomi 15 UltraKSh 142,000
Vivo X300 Pro 5GKSh 149,000
2 of 4 products

Our quick verdict

With the same Qualcomm Snapdragon 8 Elite Gen 5 processor, 16 GB of RAM and IP68 rating, the Vivo X300 Ultra has a bigger battery (6,600 mAh) and a sharper screen, scrolls more smoothly (144 Hz) and has a higher-resolution main camera (200 MP), while the Xiaomi 17 Ultra charges faster wirelessly (50 W), is lighter (218.4 g) and has a deeper water-immersion rating (6 m).

Refresh

Xiaomi 17 Ultra
About 120 Hz display refresh rate
Vivo X300 Ultra
About 144 Hz display refresh rate

Display

Xiaomi 17 Ultra
About 6.9 inch screen
Vivo X300 Ultra
About 6.82 inch screen

Charging

Xiaomi 17 Ultra
90 W rated wired charging power
Vivo X300 Ultra
100 W rated wired charging power

Software

Xiaomi 17 Ultra
Runs Android 16, upgradable to Android 17, HyperOS 3
Vivo X300 Ultra
Runs Android 16, OriginOS 6

Storage

Xiaomi 17 Ultra
Up to 1 TB storage
Vivo X300 Ultra
512 GB storage

Key differences

The main differences to help you choose.

Xiaomi 17 Ultra

  • Higher rated immersion depth: 6 m (vs 1.5 m), both IP68.
  • Faster wireless charging: 50 W (vs 40 W).
  • Newer Bluetooth 6.0 (vs 5.4).
  • Lighter: 218.4 g (vs 232 g).

Vivo X300 Ultra

  • Bigger battery: 6,600 mAh (vs 6,000 mAh).
  • Smoother 144 Hz display (vs 120 Hz).
  • Sharper screen: 510 ppi (vs 416 ppi).
  • Higher-resolution main camera: 200 MP (vs 50 MP).
  • Brighter screen: 1,935 nits (vs 1,132 nits).

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 17 UltraVivo X300 Ultra
Display6.9-inch OLED display, 120 Hz, 416 ppi6.82-inch OLED display, 144 Hz, 510 ppi
Camera50 MP main camera with OIS, plus a telephoto camera200 MP main camera with OIS, plus a 3.7x telephoto camera
StorageUp to 1 TB storage512 GB storage
Battery capacity6,000 mAh battery6,600 mAh battery
Charging90 W wired, 50 W wireless charging100 W wired, 40 W wireless charging
Weight218.4 g232 g

Detailed comparison

Explore the full specifications, section by section.

General

General specifications comparison
SpecificationXiaomi 17 UltraVivo X300 Ultra
BrandXiaomiVivo
Model17 UltraX300 Ultra
Announced2026, February 282026, March 30
Release statusAvailable. Released 2026, March 10Available. Released 2026, April 03
Model numbers25128PNA1G, 2512BPNDAGV2547A, V2547DA, V2536A, V2562

Design

Design specifications comparison
SpecificationXiaomi 17 UltraVivo X300 Ultra
Dimensions162.9 x 77.6 x 8.3 mm (6.41 x 3.06 x 0.33 in)163 x 76.8 x 8.2 mm or 8.5 mm
Weight218.4 g or 223.4 g (7.69 oz)232 g or 237 g (8.18 oz)
Build materialsGlass front, glass-fiber reinforced plastic back / silicone polymer back (eco leather), aluminum frameGlass front, glass back, aluminum frame
Additional body featuresAerospace-grade glass fiber—

Display

Display specifications comparison
SpecificationXiaomi 17 UltraVivo X300 Ultra
Display6.9 inches, 116.6 cm2 (~92.3% screen-to-body ratio); LTPO AMOLED, 68B colors, 120Hz, 2160Hz PWM, Dolby Vision, HDR10+, 3500 nits (peak)6.82 inches, 113.0 cm2 (~90.3% screen-to-body ratio); LTPO AMOLED, 1B colors, 144Hz, 2160Hz PWM, Dolby Vision, HDR10+, HDR Vivid
Screen resolution1200 x 2608 pixels, 19.5:9 ratio (~416 ppi density)1440 x 3168 pixels (~510 ppi density)
Display protectionXiaomi Shield Glass 3.0Armor glass
Display featuresLTPO AMOLED, 68B colors, 120Hz, 2160Hz PWM, Dolby Vision, HDR10+, 3500 nits (peak)LTPO AMOLED, 1B colors, 144Hz, 2160Hz PWM, Dolby Vision, HDR10+, HDR Vivid; Ultra HDR image support

Performance

Performance specifications comparison
SpecificationXiaomi 17 UltraVivo X300 Ultra
ProcessorQualcomm SM8850-AC Snapdragon 8 Elite Gen 5 (3 nm)Qualcomm SM8850-AC Snapdragon 8 Elite Gen 5 (3 nm)
CPUOcta-core (2x4.6 GHz Oryon V3 Phoenix L + 6x3.62 GHz Oryon V3 Phoenix M)Octa-core (2x4.6 GHz Oryon V3 Phoenix L + 6x3.62 GHz Oryon V3 Phoenix M)
GPUAdreno 840Adreno 840

Memory & Storage

Memory & Storage specifications comparison
SpecificationXiaomi 17 UltraVivo X300 Ultra
RAM16GB16GB
Storage512GB / 1TB512GB
Storage technologyUFS 4.1UFS 4.1
Expandable storageNoNo
Memory configurations512GB 16GB RAM, 1TB 16GB RAM256GB 12GB RAM, 512GB 12GB RAM, 512GB 16GB RAM, 1TB 16GB RAM

Cameras

Cameras specifications comparison
SpecificationXiaomi 17 UltraVivo X300 Ultra
Rear camera50 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)200 MP, f/1.9, 35mm (wide), 1/1.12", 0.7µm, PDAF, gimbal OIS 200 MP, f/2.7, 85mm (periscope telephoto), 1/1.4", 0.56µm, multi-directional PDAF, OIS, 3.7x optical zoom, macro 3.4:1 50 MP, f/2.0, 14mm, 116˚ (ultrawide), 1/1.28", 1.22µm, dual pixel PDAF, OIS Optional add-on zoom lenses: 200mm, 2.35x optical zoom, OIS, Zeiss optics 400mm, 4.7x optical zoom, OIS, Zeiss optics
Front camera50 MP, f/2.2, 21mm (wide), 1/2.7", 0.61µm, AF50 MP, f/2.5, 24mm (wide), 1/2.76", 0.64µm, AF
Rear camera featuresLaser AF, color spectrum sensor, Leica lenses, Dual-LED flash, HDR, panoramaLaser AF, color spectrum sensor, Zeiss optics, Zeiss T* lens coating, LED flash, panorama, HDR, 3D LUT import
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@24/30/60/120fps (10-bit Log, Dolby Vision HDR), 1080p@30/60/120/240fps, gyro-EIS, HDR10+
Front camera featuresHDR, panoramaHDR
Front camera video4K@30/60fps, 1080p@30/60/120fps, gyro-EIS4K@30/60fps, 1080p@30/60fps, gyro-EIS, HDR

Battery & Charging

Battery & Charging specifications comparison
SpecificationXiaomi 17 UltraVivo X300 Ultra
BatterySi/C Li-Ion 6000 mAhSi/C Li-Ion 6600 mAh (International) or 6400 mAh (Europe)
Charging90W wired, 90W PPS, PD3.0, QC3+ 50W wireless 22.5W reverse wired 10W reverse wireless100W wired, PD, PPS, QC, UFCS 40W wireless Reverse wired Reverse wireless

Software

Software specifications comparison
SpecificationXiaomi 17 UltraVivo X300 Ultra
Operating systemAndroid 16, upgradable to Android 17, HyperOS 3Android 16, OriginOS 6

Network

Network specifications comparison
SpecificationXiaomi 17 UltraVivo X300 Ultra
NetworkGSM / HSPA / LTE / 5GGSM / HSPA / LTE / 5G
SIMNano-SIM + Nano-SIM + eSIM + eSIM + eSIM (max 2 at a time)· Nano-SIM + Nano-SIM + eSIM (max 2 at a time) · Nano-SIM + Nano-SIM
2G bandsGSM 850 / 900 / 1800 / 1900GSM 850 / 900 / 1800 / 1900
3G bandsHSDPA 800 / 850 / 900 / 1700(AWS) / 1800 / 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, 711, 2, 3, 4, 5, 7, 8, 12, 13, 17, 18, 19, 20, 25, 26, 28, 32, 34, 38, 39, 40, 41, 42, 43, 48, 66, 71 - Global; 1, 2, 3, 4, 5, 7, 8, 12, 17, 18, 19, 20, 25, 26, 28, 34, 38, 39, 40, 41, 42, 43, 48, 66 - China
5G bands1, 2, 3, 5, 7, 8, 12, 20, 25, 26, 28, 38, 40, 41, 48, 66, 71, 75, 77, 78, 79 SA/NSA1, 2, 3, 5, 7, 8, 12, 20, 25, 28, 38, 40, 41, 66, 71, 75, 77, 78, 79 SA/NSA - Global; 1, 2, 3, 5, 7, 8, 12, 18, 20, 25, 26, 28, 38, 40, 41, 48, 66, 77, 78, 79, 80, 81, 83, 84, 89 SA/NSA - China
Network speedHSPA, LTE, 5GHSPA, LTE, 5G

Connectivity

Connectivity specifications comparison
SpecificationXiaomi 17 UltraVivo X300 Ultra
NFCYesYes
Bluetooth6.0, A2DP, LE, aptX HD, aptX Adaptive, LHDC 5, MIHC5.4, A2DP, LE, aptX HD, aptX Adaptive, aptX Lossless, LHDC 5
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/6/7, dual-band
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), GLONASS
RadioNoNo
USBUSB Type-C 3.2 Gen 2, DisplayPort, OTGUSB Type-C 3.2, OTG, DisplayPort
InfraredYesYes
Satellite features—Emergency SOS via satellite (calls, messages) - 16GB + 1TB model only

Durability

Durability specifications comparison
SpecificationXiaomi 17 UltraVivo X300 Ultra
Water resistanceIP68/IP69 dust tight and water resistant (high pressure water jets; immersible up to 6m for 30 min)IP68/IP69 dust tight and water resistant (immersible up to 1.5m for 30 min)

Features

Features specifications comparison
SpecificationXiaomi 17 UltraVivo X300 Ultra
SensorsFingerprint (under display, ultrasonic), accelerometer, proximity, gyro, compass, barometerFingerprint (under display, ultrasonic), accelerometer, gyro, proximity, compass
ColorsBlack, White, Starlit GreenEclipse Black, Victory Green, Silver

Audio

Audio specifications comparison
SpecificationXiaomi 17 UltraVivo X300 Ultra
LoudspeakersYes, with stereo speakersYes, with stereo speakers
3.5 mm headphone jackNoNo
Audio features24-bit/192kHz Hi-Res & Hi-Res Wireless audio24-bit/192kHz Hi-Res audio

Tests

Tests specifications comparison
SpecificationXiaomi 17 UltraVivo X300 Ultra
Performance benchmarksAnTuTu: 2777490 (v10), 3863387 (v11) GeekBench: 10896 (v6) 3DMark: 6948 (Wild Life Extreme)AnTuTu: 2723497 (v10), 4085695 (v11) GeekBench: 11494 (v6) 3DMark: 7075 (Wild Life Extreme)
Measured display brightness1132 nits max brightness (measured)1935 nits max brightness (measured)
Measured loudspeaker loudness-24.1 LUFS (Very good)-24.7 LUFS (Very good)
Active use battery scoreActive use score 19:09hActive use score 15:45h

EU label

EU label specifications comparison
SpecificationXiaomi 17 UltraVivo X300 Ultra
Energy—Class B
Battery—56:53h endurance, 1200 cycles
Free fall—Class B (180 falls)
Repairability—Class C

Similarities

  • Both have 16 GB RAM.
  • Both are rated IP68.
  • Both have optical image stabilisation.
  • Both support Wi-Fi 7.
  • Both have NFC.
  • Both have an aluminium frame.

In summary

For most buyers the Vivo X300 Ultra is the better buy; the Xiaomi 17 Ultra makes sense if you want faster wireless charging.

Back to compared products ↑

In-stock alternatives

iPhone 17 Pro MaxFor Xiaomi 17 UltraiPhone 17 Pro MaxView product ↗Google Pixel 11 Pro XL 512GBFor Xiaomi 17 UltraGoogle Pixel 11 Pro XL 512GBView product ↗

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