Compare / Xiaomi 17 Ultra vs Xiaomi Poco X8
Xiaomi 17 Ultra vs Xiaomi Poco X8
A side-by-side comparison of the Xiaomi 17 Ultra and the Xiaomi Poco X8, covering display, chipset, memory, camera, battery and build.
Overview
Specifications
Xiaomi 17 Ultra
- Technology
- GSM / HSPA / LTE / 5G
- 2G bands
- GSM 850 / 900 / 1800 / 1900
- 3G bands
- HSDPA 800 / 850 / 900 / 1700(AWS) / 1800 / 1900 / 2100
- 4G bands
- 1, 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 bands
- 1, 2, 3, 5, 7, 8, 12, 20, 25, 26, 28, 38, 40, 41, 48, 66, 71, 75, 77, 78, 79 SA/NSA
- Speed
- HSPA, LTE, 5G
Xiaomi Poco X8
- Technology
- GSM / HSPA / LTE / 5G
- 2G bands
- GSM 850 / 900 / 1800 / 1900
- 3G bands
- HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100
- 4G bands
- 1, 2, 3, 4, 5, 7, 8, 18, 19, 20, 26, 28, 38, 40, 41, 42, 48, 66, 71
- 5G bands
- 1, 2, 3, 5, 7, 8, 20, 26, 28, 38, 40, 41, 48, 66, 71, 77, 78 SA/NSA
- Speed
- HSPA, LTE, 5G
Xiaomi 17 Ultra
- Announced
- 2026, February 28
- Status
- Available. Released 2026, March 10
Xiaomi Poco X8
- Announced
- 2026, September 01
- Status
- Available. Released 2026, September 11
Xiaomi 17 Ultra
- Dimensions
- 162.9 x 77.6 x 8.3 mm (6.41 x 3.06 x 0.33 in)
- Weight
- 218.4 g or 223.4 g (7.69 oz)
- Build
- Glass front, glass-fiber reinforced plastic back / silicone polymer back (eco leather), aluminum frame
- SIM
Nano-SIM + Nano-SIM + eSIM + eSIM + eSIM (max 2 at a time)
IP68/IP69 dust tight and water resistant (high pressure water jets; immersible up to 6m for 30 min)
Aerospace-grade glass fiber
Xiaomi Poco X8
- Dimensions
- 163.5 x 78.3 x 8.6 mm (6.44 x 3.08 x 0.34 in)
- Weight
- 223 g (7.87 oz)
- Build
- Glass front (Gorilla Glass Victus 2), plastic back, plastic frame
- SIM
Nano-SIM + Nano-SIM
IP68/IP69K dust tight and water resistant (high pressure water jets; immersible up to 1.5m for 30 min)
Manufacturer-rated water-resistance (up to 2m for 72 hours)
Drop resistant up to 3m
Xiaomi 17 Ultra
- Type
- LTPO AMOLED68B colors120Hz2160Hz PWMDolby VisionHDR10+3500 nits (peak)
- Size
- 6.9 inches, 116.6 cm2 (~92.3% screen-to-body ratio)
- Resolution
- 1200 x 2608 pixels, 19.5:9 ratio (~416 ppi density)
- Protection
- Xiaomi Shield Glass 3.0
Xiaomi Poco X8
- Type
- AMOLED68B colors120Hz3840Hz PWM1060 nits (typ)1800 nits (HBM)3500 nits (peak)
- Size
- 6.83 inches, 114.5 cm2 (~89.5% screen-to-body ratio)
- Resolution
- 1280 x 2772 pixels, 19.5:9 ratio (~447 ppi density)
- Protection
- Corning Gorilla Glass Victus 2
Xiaomi 17 Ultra
- OS
- Android 16, upgradable to Android 17, HyperOS 3
- Chipset
- Qualcomm SM8850-AC Snapdragon 8 Elite Gen 5 (3 nm)
- CPU
- Octa-core (2x4.6 GHz Oryon V3 Phoenix L + 6x3.62 GHz Oryon V3 Phoenix M)
- GPU
- Adreno 840
Xiaomi Poco X8
- OS
- Android 16, HyperOS 3
- Chipset
- Qualcomm SM6435-AA Snapdragon 6s Gen 4 (4 nm)
- CPU
- Octa-core (4x2.4 GHz Cortex-A78 & 4x1.8 GHz Cortex-A55)
- GPU
- Adreno 710
Xiaomi 17 Ultra
- Card slot
- No
- Internal
512GB 16GB RAM, 1TB 16GB RAM
UFS 4.1
Xiaomi Poco X8
- Card slot
- No
- Internal
128GB 6GB RAM, 128GB 8GB RAM, 256GB 8GB RAM, 256GB 12GB RAM
UFS 2.2 - 128GB only
UFS 3.1
Xiaomi 17 Ultra
- Triple
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)
- Features
- Laser AFcolor spectrum sensorLeica lensesDual-LED flashHDRpanorama
- 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)
Xiaomi Poco X8
- Dual
50 MP, f/1.8, 26mm (wide), 1/2.76", 0.64µm, PDAF, OIS
Auxiliary lens
- Features
- LED flash, HDR, panorama
- Video
- 1080p@30fps, gyro-EIS
Xiaomi 17 Ultra
- Single
- 50 MP, f/2.2, 21mm (wide), 1/2.7", 0.61µm, AF
- Features
- HDR, panorama
- Video
- 4K@30/60fps, 1080p@30/60/120fps, gyro-EIS
Xiaomi Poco X8
- Single
- 16 MP, f/2.4, (wide), 1.0µm
- Features
- HDR, panorama
- Video
- 1080p@30fps
Xiaomi 17 Ultra
- Loudspeaker
- Yes, with stereo speakers
- 3.5mm jack
No
24-bit/192kHz Hi-Res & Hi-Res Wireless audio
Xiaomi Poco X8
- Loudspeaker
- Yes, with stereo speakers (with Dolby Atmos)
- 3.5mm jack
No
24-bit/192kHz Hi-Res & Hi-Res wireless audio
Xiaomi 17 Ultra
- WLAN
- Wi-Fi 802.11 a/b/g/n/ac/6e/7, dual-band or tri-band, Wi-Fi Direct
- Bluetooth
- 6.0, A2DP, LE, aptX HD, aptX Adaptive, LHDC 5, MIHC
- Positioning
- GPS (L1+L5)BDS (B1I+B1c+B2a)GALILEO (E1+E5a)QZSS (L1+L5)NavIC (L5)GLONASS
- NFC
- Yes
- Infrared port
- Yes
- Radio
- No
- USB
- USB Type-C 3.2 Gen 2, DisplayPort, OTG
Xiaomi Poco X8
- WLAN
- Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct
- Bluetooth
- 5.1, A2DP, LE
- Positioning
- GPS, GALILEO, GLONASS, QZSS, BDS (B1I+B1c)
- NFC
- Yes (market/region dependent)
- Infrared port
- Yes
- Radio
- No
- USB
- USB Type-C 2.0, OTG
Xiaomi 17 Ultra
- Sensors
- Fingerprint (under display, ultrasonic), accelerometer, proximity, gyro, compass, barometer
Xiaomi Poco X8
- Sensors
- Fingerprint (under display, optical), accelerometer, gyro, compass, proximity
Xiaomi 17 Ultra
- Type
- Si/C Li-Ion 6000 mAh
- Charging
90W wired, 90W PPS, PD3.0, QC3+
50W wireless
22.5W reverse wired
10W reverse wireless
Xiaomi Poco X8
- Type
Si/C Li-Ion 8340 mAh - version 1
Si/C Li-Ion 9000 mAh - version 2
- Charging
67W wired, PD3.0
22.5W reverse wired
Xiaomi 17 Ultra
- Colors
- Black, White, Starlit Green
- Models
- 25128PNA1G, 2512BPNDAG
- Price
- £ 1,099.00 / € 1,199.90 / $ 1,205.61
Xiaomi Poco X8
- Colors
- Black, Frost White, Fiery Orange
- Models
- 2607DPC18G
- Price
- € 313.25
Xiaomi 17 Ultra
- Performance
AnTuTu: 2777490 (v10), 3863387 (v11)
GeekBench: 10896 (v6)
3DMark: 6948 (Wild Life Extreme)
- Display
- 1132 nits max brightness (measured)
- Loudspeaker
- -24.1 LUFS (Very good)
- Battery
- Active use score 19:09h
Xiaomi Poco X8
Not listed for this device
How the Xiaomi 17 Ultra and Xiaomi Poco X8 differ
- The Xiaomi Poco X8 has a larger battery, 8340 mAh against 6000 mAh on the Xiaomi 17 Ultra.
- The Xiaomi 17 Ultra has the bigger screen, 6.9 inches against 6.83 inches.
- The Xiaomi 17 Ultra offers more RAM, up to 16 GB against 12 GB.
- The Xiaomi Poco X8 is the newer of the two, released in September 2026.