Xiaomi 15T vs Xiaomi Poco X8 Pro Max Specs Comparison

Availability

Officially announced
Sep 24, 2025	Mar 17, 2026
Prices (MSRP)
15GB/256GB - €649	12GB/256GB - $469

Design

Dimensions
6.43 x 3.07 x 0.30 inches 163.2 x 78 x 7.5 mm	6.41 x 3.07 x 0.32 inches 162.9 x 77.9 x 8.2 mm
Weight
6.84 oz / 194.0 g	7.69 oz / 218.0 g
Materials
Back: Glass (Corning Gorilla Glass 7i) Frame: Plastic	Back: Glass Frame: Aluminum
Resistance
Water, Dust; IP68	Water, Dust; IP68
Biometrics
Optical in-screen fingerprint	Ultrasonic in-screen fingerprint
Keys
Right: Volume control, Lock/Unlock key	Right: Volume control, Lock/Unlock key
Colors
Black, Gray, Rose Gold

Display

Size
6.8-inch, 89.94% screen-to-body	6.8-inch, 90.22% screen-to-body
Type
AMOLED, 120Hz, HDR10+, 3200 nits	AMOLED, 120Hz, 3500 nits
Resolution
2772x1280px, 20:9 ratio, 447 PPI	2772x1280px, 447 PPI

PhoneArena Display Test

Bright Max (20% APL)
3264 (Excellent)	3362 (Excellent)
Bright Min
1.9 (Good)	1.9 (Good)

Learn more on our PhoneArena Display Test Results page.

Hardware

System chip
Mediatek Dimensity 8400 Ultra (4 nm)	MediaTek Dimensity 9500 (3 nm)
Processor
Octa-core 1x3.35GHz Cortex-A725 3x3.0​0GHz Cortex-A725 4x2.1​0GHz Cortex-A725	Octa-core 1x4.21GHz C1-Ultra 3x3.5GHz C1-Premium 4x2.7 GHz C1-Pro
GPU
Mali-G720 MC7	Mali G1-Ultra
Memory
12GB/256GB (UFS 4.1) 12GB/512GB	12GB/256GB 12GB/512GB
Storage expansion
not expandable
OS
Android (15)	Android (16)

PhoneArena Performance Test

GeekBench 6 Single
1614	2636
GeekBench 6 Multi
6446	8334
3D Mark High
3958	4194
3D Mark Low
2980	3416

Learn more on our PhoneArena Performance Test Results page.

Battery

Type
5500 mAh, Li - Ion	8500 mAh, Si - Carbon
Charge speed
Wired: 67.0W	Wired: 100.0W

PhoneArena Battery Tests

Battery Life Estimate

7h 11min

Browsing

16h 32min

Video

10h 26min

Gaming

9h 57min

Battery Life Estimate

10h 21min

Browsing

26h 6min

Video

15h 26min

Gaming

9h 55min

Learn more on our PhoneArena Battery Test Results page

Camera

Rear
Triple camera	Dual camera
Main camera
50 MP (OIS, PDAF) Aperture size: F1.7 Focal length: 23 mm Sensor size: 1/1.55" Pixel size: 1.0 μm	50 MP (OIS, PDAF) Aperture size: F1.5
Second camera
12 MP (Ultra-wide) Aperture size: F2.2 Focal Length: 15 mm Sensor size: 1/3.06" Pixel size: 1.12 μm	8 MP (Ultra-wide) Aperture size: F2.2
Third camera
50 MP (Telephoto, PDAF) Optical zoom: 2.0x Aperture size: F1.9 Focal Length: 46 mm Sensor size: 1/2.76" Pixel size: 0.64 μm
Flash
LED	LED
Video recording
4K UHD (60 fps)	Yes
Front
32 MP	20 MP

PhoneArena Camera Tests

136

Overall

144

Photo

129

Video

N/A

Overall

N/A

Photo

N/A

Video

Learn more on our PhoneArena Camera Test Results page

Connectivity & Features

Bluetooth
6.0	Yes
WLAN
Wi-Fi 6E Wi-Fi Direct, Hotspot	Wi-Fi 6,Wi-Fi 7 Wi-Fi Direct, Hotspot
USB
Type-C	Type-C
Sensors
Accelerometer, Gyroscope, Compass, Ambient light sensor, Proximity sensor	Accelerometer, Gyroscope, Compass, Ambient light sensor, Proximity sensor
Location
GPS, A-GPS, Glonass, Galileo, BeiDou, NavIC, Cell ID, Wi-Fi positioning	GPS, A-GPS, Glonass, Galileo, BeiDou, Cell ID, Wi-Fi positioning
Other
NFC, Infrared	NFC

Multimedia

Headphones
No 3.5mm jack	No 3.5mm jack
Speakers
Earpiece, Multiple speakers	Earpiece, Multiple speakers
Screen mirroring
	Wireless screen share
Additional microphone(s)
	Noise cancellation

Cellular

5G Bands
n1, n2, n3, n5, n7, n8, n12, n20, n28, n38, n40, n41, n48, n66, n77, n78, SA, NSA	5G Ready
LTE Bands
1, 2, 3, 4, 5, 7, 12, 13, 17, 18, 19, 20, 26, 28, 32, 66
TDD Bands
38, 40, 41, 42
3G Bands
1, 2, 4, 5, 6, 8
Data Speed
LTE-A, HSDPA+ (4G) 42.2 Mbit/s
SIM type
Nano SIM, eSIM	Nano SIM

Discover more

Full Specs Xiaomi 15T Specs PA Review Xiaomi 15T Review

Full Specs Xiaomi Poco X8 Pro Max Specs PA Review Xiaomi Poco X8 Pro Max Review