Xiaomi Poco X8 Pro Max vs vivo X300 Ultra Specs Comparison

Availability

Officially announced
Mar 17, 2026	Mar 30, 2026
Prices (MSRP)
12GB/256GB - $469

Design

Dimensions
6.41 x 3.07 x 0.32 inches 162.9 x 77.9 x 8.2 mm	6.42 x 3.02 x 0.32 inches (~0.63 inches with camera bump) 162.98 x 76.81 x 8.19 mm (~15.96 mm with camera bump)
Weight
7.69 oz / 218.0 g	8.18 oz / 232.0 g
Materials
Back: Glass Frame: Aluminum	Back: Glass Frame: Aluminum
Resistance
Water, Dust; IP68	Yes; IP69
Biometrics
Ultrasonic in-screen fingerprint	Optical in-screen fingerprint
Keys
Right: Volume control, Lock/Unlock key	Right: Volume control, Lock/Unlock key
Colors
	Black, White, Soft Green

Display

Size
6.8-inch, 90.22% screen-to-body	6.8-inch, 90.04% screen-to-body
Type
AMOLED, 120Hz, 3500 nits	AMOLED, 144Hz, HDR
Resolution
2772x1280px, 447 PPI	3168x1440px, 19.8:9 ratio, 510 PPI

PhoneArena Display Test

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

Learn more on our PhoneArena Display Test Results page.

Hardware

System chip
MediaTek Dimensity 9500 (3 nm)	Snapdragon 8 Elite Gen 5 SM8850-AC (3 nm)
Processor
Octa-core 1x4.21GHz C1-Ultra 3x3.5GHz C1-Premium 4x2.7 GHz C1-Pro	Octa-core 2x4.61GHz Oryon V3 Phoenix L 6x3.53GHz Oryon V3 Phoenix M
GPU
Mali G1-Ultra	Adreno 840
Memory
12GB/256GB 12GB/512GB	12GB (LPDDR5X)/256GB (UFS 4.1) 12GB/512GB 16GB/512GB 16GB/1TB
Storage expansion
	not expandable
OS
Android (16)	Android (16)

PhoneArena Performance Test

GeekBench 6 Single
2636	Untested
GeekBench 6 Multi
8334	Untested
3D Mark High
4194	Untested
3D Mark Low
3416	Untested

Learn more on our PhoneArena Performance Test Results page.

Battery

Type
8500 mAh, Si - Carbon	6600 mAh, Si - Carbon
Charging
	Qi wireless charging, Reverse wired charging
Charge speed
Wired: 100.0W	Wired: 100.0W Wireless: 40.0W

PhoneArena Battery Tests

Battery Life Estimate

10h 21min

Browsing

26h 6min

Video

15h 26min

Gaming

9h 55min

Battery Life Estimate

Untested

Browsing

Untested

Video

Untested

Gaming

Untested

Learn more on our PhoneArena Battery Test Results page

Camera

Rear
Dual camera	Triple camera
Main camera
50 MP (OIS, PDAF) Aperture size: F1.5	200 MP (OIS, Laser autofocus, PDAF) Sensor name: Sony LYT-901 Aperture size: F1.9 Focal length: 35 mm Sensor size: 1/1.12″
Second camera
8 MP (Ultra-wide) Aperture size: F2.2	50 MP (Ultra-wide, OIS, PDAF) Sensor name: Sony LYT-818 Aperture size: F2.0 Focal Length: 14 mm Sensor size: 1/1.28" Pixel size: 1.22 μm
Third camera
	200 MP (Telephoto, Periscope, OIS, PDAF) Sensor name: Samsung ISOCELL HP0 Optical zoom: 3.7x Aperture size: F2.7 Focal Length: 85 mm Sensor size: 1/1.4" Pixel size: 0.56 μm
Flash
LED	LED
Video recording
Yes	8K UHD (30 fps), 4K UHD (120 fps), 1080p (240 fps) OIS, HDR
Front
20 MP	50 MP Video capture: 4K UHD (60 fps)

Connectivity & Features

Bluetooth
Yes	5.4
WLAN
Wi-Fi 6,Wi-Fi 7 Wi-Fi Direct, Hotspot	Wi-Fi 6,Wi-Fi 6E,Wi-Fi 7 MIMO, Wi-Fi Direct, Hotspot 802.11 a, b, g, n, ac, ax
USB
Type-C	Type-C, USB 3.2
Sensors
Accelerometer, Gyroscope, Compass, Ambient light sensor, Proximity sensor	Accelerometer, Gyroscope, Compass, Ambient light sensor, Proximity sensor
Hearing aid compatible
	M3/T4
Location
GPS, A-GPS, Glonass, Galileo, BeiDou, Cell ID, Wi-Fi positioning	GPS, A-GPS, Glonass, Galileo, BeiDou, QZSS, Cell ID, Wi-Fi positioning
Other
NFC	NFC, Infrared

Multimedia

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

Cellular

5G Bands
5G Ready	n1, n2, n3, n5, n7, n12, n20, n25, n26, n28, n38, n40, n41, n48, n66, n70, n78, n79, n80
LTE Bands
	1, 2, 3, 4, 5, 7, 8, 12, 17, 18, 19, 20, 25, 26, 28, 66
TDD Bands
	34, 38, 39, 40, 41, 42, 43, 48
3G Bands
	1, 2, 4, 5, 6, 8, 19
SIM type
Nano SIM	Dual Nano SIM

Discover more

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

Full Specs vivo X300 Ultra Specs