Sizometry

Device sizes, specs, and comparisons.

Phone (4b) vs X8

Device summary

Nothing

Phone (4b)

POCO

X8

Full specifications

Basic information

Release year

Phone (4b)
2026
X8
2026

Starting price

Phone (4b)
X8

Display size

Phone (4b)
X8
6.8-inch

Dimensions

Phone (4b)
78.2 mm × 164.4 mm × 8.6 mm
X8
78.3 mm × 163.4 mm × 8.6 mm

Weight

Phone (4b)
210 g
X8
223 g

Front material

Phone (4b)
X8

Back material

Phone (4b)
X8

Display

Display technology

Phone (4b)
X8
AMOLED

Resolution

Phone (4b)
X8
2772 × 1280

Refresh rate

Phone (4b)
X8
120 Hz

Performance

Chipset

Phone (4b)
Snapdragon 6 Gen 4
X8
Snapdragon 6s Gen 4

RAM

Phone (4b)
X8
6 GB, 8 GB, 12 GB

Storage

Phone (4b)
X8
128 GB, 256 GB

Cameras

Main camera

Phone (4b)
Main · 50 MP
X8
Wide · 50 MP

Depth camera

Phone (4b)
X8
Depth · 2 MP

Front cameras

Phone (4b)
X8
Front · 16 MP

Video recording

Phone (4b)
4K
X8

Battery & charging

Wired charging

Phone (4b)
X8
67 W

Typical capacity

Phone (4b)
X8
8340 mAh

Build & durability

Ingress protection

Phone (4b)
X8
IP66/IP68/IP69/IP69K

Key differences

The most meaningful measured gaps in size and weight — not an overall winner.

  • Weight

    Phone (4b)

    13 g lighter

  • Height

    Phone (4b)

    1 mm taller · minor difference

  • Width

    Very similar width

  • Thickness

    Very similar thickness

Compare in Sizometry Tool

See both devices at the same scale.