Compare / Xiaomi Black Shark GS3 Ultra vs Xiaomi Poco X8
Xiaomi Black Shark GS3 Ultra vs Xiaomi Poco X8
A side-by-side comparison of the Xiaomi Black Shark GS3 Ultra and the Xiaomi Poco X8, covering display, chipset, memory, camera, battery and build.
Overview
Specifications
Xiaomi Black Shark GS3 Ultra
- Technology
- No cellular connectivity
- 2G bands
- N/A
- 3G bands
- N/A
- 4G bands
- N/A
- GPRS
- No
- EDGE
- No
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 Black Shark GS3 Ultra
- Announced
- 2025, November 21
- Status
- Available. Released 2025, December
Xiaomi Poco X8
- Announced
- 2026, September 01
- Status
- Available. Released 2026, September 11
Xiaomi Black Shark GS3 Ultra
- Dimensions
- -
- Weight
- -
- Build
- Glass front (Gorilla Glass), aluminum frame
- SIM
No
IP68/IP69K dust tight and water resistant (high pressure water jets; immersible up to 1.5m for 30 min)
MIL-STD-810H compliant
Waterproof (5ATM)
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 Black Shark GS3 Ultra
- Type
- AMOLED, 1000 nits
- Size
- 1.43 inches
- Resolution
- 466 x 466 pixels (~326 ppi density)
- Protection
- Corning Gorilla Glass
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 Black Shark GS3 Ultra
Not listed for this device
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 Black Shark GS3 Ultra
- Card slot
- No
- Phonebook
- No
- Call records
- Yes
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 Black Shark GS3 Ultra
Not listed for this device
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 Black Shark GS3 Ultra
Not listed for this device
Xiaomi Poco X8
- Single
- 16 MP, f/2.4, (wide), 1.0µm
- Features
- HDR, panorama
- Video
- 1080p@30fps
Xiaomi Black Shark GS3 Ultra
- Loudspeaker
- Yes
- 3.5mm jack
- No
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 Black Shark GS3 Ultra
- WLAN
- No
- Bluetooth
- Yes
- Positioning
- GPS (L1+L5), GLONASS, GALILEO, BDS, QZSS
- NFC
- Unspecified
- Radio
- No
- USB
- No
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 Black Shark GS3 Ultra
- Sensors
- Accelerometergyrocompassbarometerheart rateSpO2
- Messaging
- SMS(threaded view), Email, IM
- Games
- No
- Java
- No
Xiaomi Poco X8
- Sensors
- Fingerprint (under display, optical), accelerometer, gyro, compass, proximity
Xiaomi Black Shark GS3 Ultra
Not listed for this device
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 Black Shark GS3 Ultra
- Colors
- Black, Silver
Xiaomi Poco X8
- Colors
- Black, Frost White, Fiery Orange
- Models
- 2607DPC18G
- Price
- € 313.25
Xiaomi Black Shark GS3 Ultra
- No
Xiaomi Poco X8
Not listed for this device
How the Xiaomi Black Shark GS3 Ultra and Xiaomi Poco X8 differ
- The Xiaomi Poco X8 has the bigger screen, 6.83 inches against 1.43 inches.
- The Xiaomi Poco X8 is the newer of the two, released in September 2026.