Compare / Xiaomi 17 Ultra vs Xiaomi Poco X8s

Xiaomi 17 Ultra vs Xiaomi Poco X8s

A side-by-side comparison of the Xiaomi 17 Ultra and the Xiaomi Poco X8s, covering display, chipset, memory, camera, battery and build.

Xiaomi 17 Ultra
Xiaomi
Xiaomi 17 Ultra
Xiaomi Poco X8s
Xiaomi
Xiaomi Poco X8s

Overview

Display
Xiaomi 17 Ultra
6.9inch
LTPO AMOLED · 120 Hz
1200 × 2608 · 416 PPI
Xiaomi Poco X8s
6.35inch
LTPO AMOLED · 120 Hz
1220 × 2656 · 460 PPI
Chip
Xiaomi 17 Ultra
Qualcomm SM8850-AC Snapdragon 8 Elite Gen 5 (3 nm)
Octa-core (2x4.6 GHz Oryon V3 Phoenix L + 6x3.62 GHz Oryon V3 Phoenix M)
Adreno 840 · Android 16
Xiaomi Poco X8s
Qualcomm SM7750-AB Snapdragon 7 Gen 4 (4 nm)
Octa-core (1x2.8 GHz Cortex-720 & 4x2.4 GHz Cortex-720 & 3x1.8 GHz Cortex-520)
Adreno 722 · Android 16
Memory
Xiaomi 17 Ultra
16GB RAM
512 GB · 1 TB storage
No card slot
Xiaomi Poco X8s
8 / 12GB RAM
256 GB · 512 GB storage
No card slot
Camera
Xiaomi 17 Ultra
50MP Main
200 MP Periscope
50 MP Ultra Wide
50 MP selfie
8K@30fps video
Xiaomi Poco X8s
50MP Main
50 MP Periscope
8 MP Ultra Wide
20 MP selfie
4K@30fps video
Battery
Xiaomi 17 Ultra
6,000mAh
90 W wired · 50 W wireless
Xiaomi Poco X8s
6,330mAh
100 W wired
Build
Xiaomi 17 Ultra
218.4g
162.9 × 77.6 × 8.3 mm
IP68
Xiaomi Poco X8s
187g
151.1 × 71.8 × 8.1 mm
IP68
Connectivity
Xiaomi 17 Ultra
5GWi-Fi 7Bluetooth 6.0NFCNano-SIM + Nano-SIM + eSIM + eSIM + eSIM (max 2 at a time)USB Type-C 3.2 Gen 2
Xiaomi Poco X8s
5GWi-Fi 6EBluetooth 5.4NFCNano-SIM + Nano-SIM + eSIM + eSIM (max 2 at a time)USB Type-C 2.0

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 X8s

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
5G bands
1, 2, 3, 5, 7, 8, 20, 28, 38, 40, 41, 48, 66, 77, 78 SA/NSA
Speed
HSPA, LTE, 5G

Xiaomi 17 Ultra

Announced
2026, February 28
Status
Available. Released 2026, March 10

Xiaomi Poco X8s

Announced
2026, October 26
Status
Available. Released 2026, October 26

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 X8s

Dimensions
151.1 x 71.8 x 8.1 mm (5.95 x 2.83 x 0.32 in)
Weight
187 g (6.60 oz)
Build
Glass front (Xiaomi Shield Glass), aluminum frame, glass back
SIM

Nano-SIM + Nano-SIM + eSIM + eSIM (max 2 at a time)

IP68 dust tight and water resistant (immersible up to 1.5m for 30 min)

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 X8s

Type
LTPO AMOLED68B colors120HzDolby VisionHDR10+3500 nits (peak)
Size
6.35 inches, 98.7 cm2 (~91.0% screen-to-body ratio)
Resolution
1220 x 2656 pixels, 19.5:9 ratio (~460 ppi density)
Protection
Xiaomi Shield Glass

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 X8s

OS
Android 16, HyperOS 3
Chipset
Qualcomm SM7750-AB Snapdragon 7 Gen 4 (4 nm)
CPU
Octa-core (1x2.8 GHz Cortex-720 & 4x2.4 GHz Cortex-720 & 3x1.8 GHz Cortex-520)
GPU
Adreno 722

Xiaomi 17 Ultra

Card slot
No
Internal

512GB 16GB RAM, 1TB 16GB RAM

UFS 4.1

Xiaomi Poco X8s

Card slot
No
Internal

256GB 8GB RAM, 512GB 12GB RAM

UFS 2.2

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 X8s

Triple

50 MP, f/1.8, (wide), 1/1.55", 1.0µm, PDAF, OIS

50 MP, f/2.2, 57mm (periscope telephoto), PDAF, 2.5x optical zoom

8 MP, f/2.2, 120˚ (ultrawide), 1/4.0", 1.12µm

Features
LED flash, HDR, panorama
Video
4K@30fps, 1080p@30/60/120fps, gyro-EIS, OIS

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 X8s

Single
20 MP
Video
1080p@30/60fps

Xiaomi 17 Ultra

Loudspeaker
Yes, with stereo speakers
3.5mm jack

No

24-bit/192kHz Hi-Res & Hi-Res Wireless audio

Xiaomi Poco X8s

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 X8s

WLAN
Wi-Fi 802.11 a/b/g/n/ac/6e, dual-band, Wi-Fi Direct
Bluetooth
5.4A2DPLEaptX HDaptX AdaptiveLHDC 5AuracastASHA
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 2.0

Xiaomi 17 Ultra

Sensors
Fingerprint (under display, ultrasonic), accelerometer, proximity, gyro, compass, barometer

Xiaomi Poco X8s

Sensors
Fingerprint (under display, ultrasonic), accelerometer, proximity, gyro, compass

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 X8s

Type
Si/C Li-Ion 6330 mAh
Charging

100W wired, PD3.0, QC3+, 100W PPS

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 X8s

Colors
White, Blue, Black
Price
About 360 EUR

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 X8s

Not listed for this device

How the Xiaomi 17 Ultra and Xiaomi Poco X8s differ

  • The Xiaomi Poco X8s has a larger battery, 6330 mAh against 6000 mAh on the Xiaomi 17 Ultra.
  • The Xiaomi 17 Ultra has the bigger screen, 6.9 inches against 6.35 inches.
  • The Xiaomi 17 Ultra offers more RAM, up to 16 GB against 12 GB.
  • The Xiaomi Poco X8s is the newer of the two, released in October 2026.