Xiaomi 15 vs Xiaomi 15T vs Xiaomi Poco X8 Pro Max Specs Comparison

Availability

Officially announced
	Sep 24, 2025	Mar 17, 2026
Prices (MSRP)
12GB/256GB - €999 12GB/512GB - €1100	15GB/256GB - €649	12GB/256GB - $469

Design

Dimensions
6.00 x 2.80 x 0.32 inches 152.3 x 71.2 x 8.08 mm	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
6.67 oz / 189.0 g	6.84 oz / 194.0 g	7.69 oz / 218.0 g
Materials
Back: Glass	Back: Glass (Corning Gorilla Glass 7i) Frame: Plastic	Back: Glass Frame: Aluminum
Resistance
Yes; IP68	Water, Dust; IP68	Water, Dust; IP68
Biometrics
Ultrasonic in-screen fingerprint	Optical in-screen fingerprint	Ultrasonic in-screen fingerprint
Keys
Right: Volume control, Lock/Unlock key	Right: Volume control, Lock/Unlock key	Right: Volume control, Lock/Unlock key
Colors
	Black, Gray, Rose Gold

Display

Size
6.4-inch, 90.03% screen-to-body	6.8-inch, 89.94% screen-to-body	6.8-inch, 90.22% screen-to-body
Type
OLED, 120Hz, HDR, 3200 nits	AMOLED, 120Hz, HDR10+, 3200 nits	AMOLED, 120Hz, 3500 nits
Resolution
2670x1200px, 20:9 ratio, 460 PPI	2772x1280px, 20:9 ratio, 447 PPI	2772x1280px, 447 PPI
Features
HDR support, Dolby Vision

PhoneArena Display Test

Bright Max (20% APL)
3175 (Excellent)	3264 (Excellent)	3362 (Excellent)
Bright Min
1.9 (Good)	1.9 (Good)	1.9 (Good)

Learn more on our PhoneArena Display Test Results page.

Hardware

System chip
Snapdragon 8 Elite SM8750-AB (3 nm)	Mediatek Dimensity 8400 Ultra (4 nm)	MediaTek Dimensity 9500 (3 nm)
Processor
Octa-core 2x4.32GHz Prime cores 6x3.53GHz Performance core	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
Adreno 830	Mali-G720 MC7	Mali G1-Ultra
Memory
12GB/256GB (UFS 4.0) 12GB/512GB 16GB/512GB 16GB/1024GB	12GB/256GB (UFS 4.1) 12GB/512GB	12GB/256GB 12GB/512GB
Storage expansion
not expandable	not expandable
OS
Android (14)	Android (15)	Android (16)

PhoneArena Performance Test

GeekBench 6 Single
3053	1614	2636
GeekBench 6 Multi
9261	6446	8334
3D Mark High
6220	3958	4194
3D Mark Low
4475	2980	3416

Learn more on our PhoneArena Performance Test Results page.

Battery

Type
5240 mAh	5500 mAh, Li - Ion	8500 mAh, Si - Carbon
Charging
Fast charging Qi wireless charging, Reverse wireless charging
Charge speed
Wired: 90.0W Wireless: 50.0W	Wired: 67.0W	Wired: 100.0W

PhoneArena Battery Tests

Battery Life Estimate

7h 18min

Browsing

17h 6min

Video

9h 49min

Gaming

11h 38min

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	Triple camera	Dual camera
Main camera
50 MP (OIS, Laser and PDAF) Aperture size: F1.6 Focal length: 23 mm	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
50 MP (Telephoto, Periscope, OIS) Optical zoom: Yes Aperture size: F2.2	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, Periscope, OIS) Optical zoom: Yes Aperture size: F2.0 Focal Length: 60 mm	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
Dual LED	LED	LED
Video recording
8K UHD (30 fps), 4K UHD (60 fps), 1080p (960 fps)	4K UHD (60 fps)	Yes
Front
32 MP Video capture: 4K UHD (60 fps)	32 MP	20 MP

PhoneArena Camera Tests

146

Overall

153

Photo

138

Video

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
5.4	6.0	Yes
WLAN
Wi-Fi 6,Wi-Fi 6E,Wi-Fi 7 Wi-Fi Direct, Hotspot 802.11 a, b, g, n, ac, ax	Wi-Fi 6E Wi-Fi Direct, Hotspot	Wi-Fi 6,Wi-Fi 7 Wi-Fi Direct, Hotspot
USB
Type-C, USB 3.2	Type-C	Type-C
Sensors
Accelerometer, Gyroscope, Compass, Barometer	Accelerometer, Gyroscope, Compass, Ambient light sensor, Proximity sensor	Accelerometer, Gyroscope, Compass, Ambient light sensor, Proximity sensor
Location
GPS, A-GPS, Glonass, Galileo, BeiDou, Cell ID, Wi-Fi positioning	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, Infrared	NFC

Multimedia

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

Cellular

5G Bands
n1, n3, n5, n7, n8, n28, n38, n40, n41, n48, n66, n77, n78, n79, SA, NSA	n1, n2, n3, n5, n7, n8, n12, n20, n28, n38, n40, n41, n48, n66, n77, n78, SA, NSA	5G Ready
LTE Bands
1, 3, 4, 5, 7, 8, 18, 19, 26, 28, 66	1, 2, 3, 4, 5, 7, 12, 13, 17, 18, 19, 20, 26, 28, 32, 66
TDD Bands
34, 38, 39, 40, 41, 42, 48	38, 40, 41, 42
3G Bands
1, 2, 4, 5, 6, 8	1, 2, 4, 5, 6, 8
Data Speed
	LTE-A, HSDPA+ (4G) 42.2 Mbit/s
SIM type
Dual Nano SIM + eSIM	Nano SIM, eSIM	Nano SIM

Alternative variants

With 512GB internal storage

Memory	512GB

With 16GB RAM and 512GB internal storage

Memory	16GB/512GB

With 16GB RAM and 1TB internal storage

Memory	16GB/1024GB

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