Compare / Xiaomi Poco X8s vs Poco F9 Ultra

Xiaomi Poco X8s vs Poco F9 Ultra

A side-by-side comparison of the Xiaomi Poco X8s and the Poco F9 Ultra, covering display, chipset, memory, camera, battery and build.

Xiaomi Poco X8s
Xiaomi
Xiaomi Poco X8s
Poco F9 Ultra
Xiaomi
Poco F9 Ultra

Overview

Display
Xiaomi Poco X8s
6.35inch
LTPO AMOLED · 120 Hz
1220 × 2656 · 460 PPI
Poco F9 Ultra
6.9inch
AMOLED · 185 Hz
1200 × 2608 · 416 PPI
Chip
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
Poco F9 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
Memory
Xiaomi Poco X8s
8 / 12GB RAM
256 GB · 512 GB storage
No card slot
Poco F9 Ultra
12 / 16GB RAM
256 GB · 512 GB · 1 TB storage
No card slot
Camera
Xiaomi Poco X8s
50MP Main
50 MP Periscope
8 MP Ultra Wide
20 MP selfie
4K@30fps video
Poco F9 Ultra
200MP Main
50 MP Periscope
50 MP Ultra Wide
32 MP selfie
8K@30fps video
Battery
Xiaomi Poco X8s
6,330mAh
100 W wired
Poco F9 Ultra
8,050mAh
100 W wired · 50 W wireless
Build
Xiaomi Poco X8s
187g
151.1 × 71.8 × 8.1 mm
IP68
Poco F9 Ultra
235g
163.5 × 77.9 × 8.7 mm
IP68
Connectivity
Xiaomi Poco X8s
5GWi-Fi 6EBluetooth 5.4NFCNano-SIM + Nano-SIM + eSIM + eSIM (max 2 at a time)USB Type-C 2.0
Poco F9 Ultra
5GWi-Fi 7Bluetooth 6.0NFCNano-SIM + Nano-SIM + eSIM + eSIM (max 2 at a time)USB Type-C 3.2

Specifications

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

Poco F9 Ultra

Technology
GSM / HSPA / LTE / 5G
2G bands
GSM 850 / 900 / 1800 / 1900
3G bands
HSDPA 800 / 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, 26, 28, 38, 40, 41, 48, 66, 77, 78 SA/NSA
Speed
HSPA, LTE, 5G

Xiaomi Poco X8s

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

Poco F9 Ultra

Announced
2026, September 01
Status
Available. Released 2026, September 01

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)

Poco F9 Ultra

Dimensions
163.5 x 77.9 x 8.7 mm (6.44 x 3.07 x 0.34 in)
Weight
235 g (8.29 oz)
Build
Glass front (Gorilla Glass 7i), aluminum frame, glass-fiber reinforced plastic 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 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

Poco F9 Ultra

Type
AMOLED68B colors185HzDolby VisionHDR10+850 nits (typ)2200 nits (HBM)4500 nits (peak)
Size
6.9 inches, 116.6 cm2 (~91.6% screen-to-body ratio)
Resolution
1200 x 2608 pixels, 19.5:9 ratio (~416 ppi density)
Protection

Corning Gorilla Glass 7i

10000 nits (peak) in HDR videos only

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

Poco F9 Ultra

OS
Android 16, up to 4 major OS updates, 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

Card slot
No
Internal

256GB 8GB RAM, 512GB 12GB RAM

UFS 2.2

Poco F9 Ultra

Card slot
No
Internal

256GB 12GB RAM, 512GB 16GB RAM, 1TB 16GB RAM

UFS 4.1

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

Poco F9 Ultra

Triple

200 MP, f/1.7, 24mm (wide), 1/1.56", 0.5µm, PDAF, OIS

50 MP, f/3.0, 114mm (periscope telephoto), 1/2.76", 0.64µm, PDAF, OIS, 5x optical zoom

50 MP, f/2.4, 17mm, 102˚ (ultrawide), 1/2.88", 0.61µm

Features
Color spectrum sensor, LED flash, HDR, panorama
Video
8K@30fps, 4K@30/60fps, 1080p@30/60/120/240/960/1920fps, gyro-EIS, HDR10+

Xiaomi Poco X8s

Single
20 MP
Video
1080p@30/60fps

Poco F9 Ultra

Single
32 MP, f/2.2, 22mm (wide), 1/3.4", 0.61µm
Features
HDR
Video
4K@30fps, 1080p@30/60fps

Xiaomi Poco X8s

Loudspeaker
Yes, with stereo speakers (with Dolby Atmos)
3.5mm jack

No

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

Poco F9 Ultra

Loudspeaker
Yes, with stereo speakers (with Dolby Atmos)
3.5mm jack

No

Tuned by Bose

Bose 2.1 stereo sound system with a woofer

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

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

Poco F9 Ultra

WLAN
Wi-Fi 802.11 a/b/g/n/ac/6/7, dual-band, Wi-Fi Direct
Bluetooth
6.0A2DPLEAptX HDAptX AdaptiveLHDC 5.0ASHAMIHCAuracast
Positioning
GPS (L1+L5)BDS (B1I+B1c+B2a)GALILEO (E1+E5a)QZSS (L1+L5)NavIC (L5)GLONASS
NFC
Yes (market/region dependent)
Infrared port
Yes
Radio
No
USB
USB Type-C 3.2, OTG, video output

Xiaomi Poco X8s

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

Poco F9 Ultra

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

Xiaomi Poco X8s

Type
Si/C Li-Ion 6330 mAh
Charging

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

22.5W reverse wired

Poco F9 Ultra

Type
Si/C Li-Ion 8050 mAh
Charging

100W wired, PD3.0, QC3+, 100W PPS, 100% in 50 min

50W wireless, 50% in 37 min

27W reverse wired

22.5W reverse wireless

Xiaomi Poco X8s

Colors
White, Blue, Black
Price
About 360 EUR

Poco F9 Ultra

Colors
Black, Dark Cherry
Models
26077PC53G
Price
£ 729.00 / € 779.90

Xiaomi Poco X8s

Not listed for this device

Poco F9 Ultra

Performance
GeekBench: 10500 (v6)
Display
1283 nits max brightness (measured)
Loudspeaker
-26.1 LUFS (Good)
Battery
Active use score 24:35h

Xiaomi Poco X8s

Not listed for this device

Poco F9 Ultra

Energy
Class A
Battery
80:44h endurance, 1000 cycles
Free fall
Class C (90 falls)
Repairability
Class C

How the Xiaomi Poco X8s and Poco F9 Ultra differ

  • The Poco F9 Ultra has a larger battery, 8050 mAh against 6330 mAh on the Xiaomi Poco X8s.
  • The Poco F9 Ultra has the bigger screen, 6.9 inches against 6.35 inches.
  • The Poco F9 Ultra offers more RAM, up to 16 GB against 12 GB.
  • The main cameras are 50 MP on the Xiaomi Poco X8s and 200 MP on the Poco F9 Ultra.
  • The Xiaomi Poco X8s is the newer of the two, released in October 2026.