OnePlus Ace 6 Ultra vs Xiaomi Poco X8 Pro Max

Verdict

The OnePlus Ace 6 Ultra scores higher in 3 of 6 sections (camera, performance and design & durability), while the Xiaomi Poco X8 Pro Max leads in battery, connectivity & features and display.

The biggest difference is battery: 71 vs 86 points.

Choose the OnePlus Ace 6 Ultra for camera and performance; choose the Xiaomi Poco X8 Pro Max for battery and connectivity & features.

Ace 6 Ultra leads in 5 fields
Poco X8 Pro Max leads in 5 fields
29 ties

39 scored fields compared

Score by section

Section scores	Ace 6 Ultra	Poco X8 Pro Max
Overall
Performance	98	93
Camera	61	55
Battery	71	86
Display	87	90
Design & durability	86	83
Connectivity & features	67	74

Full specifications

Only differences

Performance

Chipset performance index: Ace 6 Ultra: 98/100(Better); Poco X8 Pro Max: 92/100
Chipset: Ace 6 Ultra: Dimensity 9500; Poco X8 Pro Max: Dimensity 9500s
RAM (max): Ace 6 Ultra: 16 GB(Better); Poco X8 Pro Max: 12 GB
Storage (max): Ace 6 Ultra: 1 TB; Poco X8 Pro Max: 512 GB
Process node: Ace 6 Ultra: 3 nm; Poco X8 Pro Max: 3 nm

Camera

Main camera resolution: Ace 6 Ultra: 50 MP; Poco X8 Pro Max: 50 MP
Main sensor size: Ace 6 Ultra: 1/1.55″(Better); Poco X8 Pro Max: 1/1.95″
Optical stabilization (OIS): Ace 6 Ultra: Yes; Poco X8 Pro Max: Yes
Ultra-wide camera: Ace 6 Ultra: Yes; Poco X8 Pro Max: Yes
Telephoto camera: Ace 6 Ultra: No; Poco X8 Pro Max: No
Periscope lens: Ace 6 Ultra: No; Poco X8 Pro Max: No
Optical zoom: Ace 6 Ultra: No; Poco X8 Pro Max: No
Video recording: Ace 6 Ultra: 4K 60 fps; Poco X8 Pro Max: 4K 60 fps
Front camera: Ace 6 Ultra: 16 MP; Poco X8 Pro Max: 20 MP(Better)
Front camera 4K video: Ace 6 Ultra: No; Poco X8 Pro Max: No

Battery

Battery capacity: Ace 6 Ultra: 8600 mAh; Poco X8 Pro Max: 8500 mAh
Battery endurance (EU label): Ace 6 Ultra: Unknown; Poco X8 Pro Max: 80:14 h
EU label cycles: Ace 6 Ultra: Unknown; Poco X8 Pro Max: 1000
Wired charging: Ace 6 Ultra: 120 W; Poco X8 Pro Max: 100 W
Wireless charging: Ace 6 Ultra: No; Poco X8 Pro Max: No
Reverse charging: Ace 6 Ultra: No; Poco X8 Pro Max: Yes(Better)
Reverse charging type: Ace 6 Ultra: No; Poco X8 Pro Max: Wired

Display

Screen size: Ace 6 Ultra: 6.78″; Poco X8 Pro Max: 6.83″
Panel type: Ace 6 Ultra: OLED; Poco X8 Pro Max: OLED
Refresh rate: Ace 6 Ultra: 165 Hz(Better); Poco X8 Pro Max: 120 Hz
Pixel density: Ace 6 Ultra: 450 ppi(Better); Poco X8 Pro Max: 447 ppi
Peak brightness: Ace 6 Ultra: 1800 nits; Poco X8 Pro Max: 3500 nits(Better)
Resolution: Ace 6 Ultra: 1272x2772; Poco X8 Pro Max: 1280x2772
Screen protection: Ace 6 Ultra: Crystal Shield Glass; Poco X8 Pro Max: Corning Gorilla Glass 7i

Design & durability

Weight: Ace 6 Ultra: 217 g; Poco X8 Pro Max: 218 g
Thickness: Ace 6 Ultra: 8.5 mm; Poco X8 Pro Max: 8.2 mm(Better)
Dust & water resistance: Ace 6 Ultra: IP68 + IP69; Poco X8 Pro Max: IP68 + IP69
Back material: Ace 6 Ultra: Leather; Poco X8 Pro Max: Fiber
Frame material: Ace 6 Ultra: Aluminum; Poco X8 Pro Max: Aluminum
EU repairability class: Ace 6 Ultra: Unknown; Poco X8 Pro Max: C
EU drop resistance class: Ace 6 Ultra: Unknown; Poco X8 Pro Max: B
EU energy class: Ace 6 Ultra: Unknown; Poco X8 Pro Max: B

Connectivity & features

5G: Ace 6 Ultra: Yes; Poco X8 Pro Max: Yes
Wi-Fi: Ace 6 Ultra: Wi-Fi 7; Poco X8 Pro Max: Wi-Fi 7
Bluetooth: Ace 6 Ultra: 6.0; Poco X8 Pro Max: 6.0
USB speed: Ace 6 Ultra: USB 2.0; Poco X8 Pro Max: USB 2.0
USB port: Ace 6 Ultra: USB-C 2.0; Poco X8 Pro Max: USB-C 2.0
DisplayPort output: Ace 6 Ultra: No; Poco X8 Pro Max: No
NFC: Ace 6 Ultra: Yes; Poco X8 Pro Max: Yes
eSIM: Ace 6 Ultra: No; Poco X8 Pro Max: Yes(Better)
Ultra-wideband (UWB): Ace 6 Ultra: No; Poco X8 Pro Max: No
Satellite connectivity: Ace 6 Ultra: No; Poco X8 Pro Max: No
Stereo speakers: Ace 6 Ultra: Yes; Poco X8 Pro Max: Yes
3.5 mm headphone jack: Ace 6 Ultra: No; Poco X8 Pro Max: No
Fingerprint reader: Ace 6 Ultra: Under display (ultrasonic); Poco X8 Pro Max: Under display (ultrasonic)
3D face unlock: Ace 6 Ultra: No; Poco X8 Pro Max: No
Infrared blaster: Ace 6 Ultra: Yes; Poco X8 Pro Max: Yes
FM radio: Ace 6 Ultra: No; Poco X8 Pro Max: No
microSD slot: Ace 6 Ultra: No; Poco X8 Pro Max: No
Card slot: Ace 6 Ultra: No; Poco X8 Pro Max: No

General

Operating system: Ace 6 Ultra: Android 16; Poco X8 Pro Max: Android 16
Launch price: Ace 6 Ultra: About 440 EUR; Poco X8 Pro Max: $ 515.00
Year: Ace 6 Ultra: 2026; Poco X8 Pro Max: 2026

Show raw spec text

Original text from the source spec sheet, for reference.

—	Ace 6 Ultra	Poco X8 Pro Max
Network
Technology	GSM / HSPA / LTE / 5G	GSM / HSPA / LTE / 5G
2G bands	GSM 850 / 1800 / 1900	GSM 850 / 900 / 1800 / 1900
3G bands	HSDPA 850 / 900 / 2100	HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100
4G bands	1, 3, 4, 5, 8, 18, 19, 26, 28, 34, 38, 39, 40, 41, 42, 43, 48, 66	1, 2, 3, 4, 5, 7, 8, 18, 19, 20, 26, 28, 38, 40, 41, 42, 48, 66
5G bands	1, 3, 5, 8, 18, 26, 28, 34, 38, 39, 40, 41, 48, 66, 77, 78 SA/NSA	1, 2, 3, 5, 7, 8, 20, 28, 38, 40, 41, 48, 66, 77, 78 SA/NSA/Sub6
Speed	HSPA, LTE, 5G	HSPA, LTE, 5G
Launch
Announced	2026, April 28	2026, March 17
Status	Available. Released 2026, April 28	Available. Released 2026, March 17
Body
Dimensions	162.5 x 77.5 x 8.5 mm (6.40 x 3.05 x 0.33 in)	162.9 x 77.9 x 8.2 mm (6.41 x 3.07 x 0.32 in)
Weight	217 g or 219 g (7.65 oz)	218 g (7.69 oz)
Build	Glass front (Crystal Shield Glass), glass back or silicone polymer back (eco leather), aluminum frame	Glass front (Gorilla Glass 7i), aluminum frame, glass-fiber reinforced plastic back
SIM	Nano-SIM + Nano-SIM IP68/IP69K dust tight and water resistant (high pressure water jets; immersible up to 1.5m for 30 min)	Nano-SIM + Nano-SIM + eSIM (max 2 at a time) IP68/IP69K dust tight and water resistant (high pressure water jets; immersible up to 1.5m for 30 min) IP69K (market/region dependent)
Display
Type	AMOLED, 1B colors, 165Hz, PWM, Dolby Vision, HDR10+, HDR Vivid, 800 nits (typ), 1800 nits (HBM)	AMOLED, 68B colors, 120Hz, 3840Hz PWM, Dolby Vision, HDR10+, 2000 nits (HBM), 3500 nits (peak)
Size	6.78 inches, 112.4 cm2 (~89.3% screen-to-body ratio)	6.83 inches, 114.5 cm2 (~90.3% screen-to-body ratio)
Resolution	1272 x 2772 pixels, 19.5:9 ratio (~450 ppi density)	1280 x 2772 pixels, 19.5:9 ratio (~447 ppi density)
Protection	Crystal Shield Glass	Corning Gorilla Glass 7i
Platform
OS	Android 16, ColorOS 16	Android 16, HyperOS 3
Chipset	Mediatek Dimensity 9500 (3 nm)	Mediatek Dimensity 9500s (3 nm)
CPU	Octa-core (1x4.21 GHz C1-Ultra & 3x3.5 GHz C1-Premium & 4x2.7 GHz C1-Pro)	Octa-core (1x3.73 GHz Cortex-X925 & 3x3.3 GHz Cortex-X4 & 4x2.4 GHz Cortex-A720)
GPU	Arm Mali G1-Ultra MC12	Immortalis-G925 MC11
Memory
Card slot	No	No
Internal	256GB 12GB RAM, 256GB 16GB RAM, 512GB 12GB RAM, 512GB 16GB RAM, 1TB 16GB RAM UFS 4.1	256GB 12GB RAM, 512GB 12GB RAM UFS 4.1
Main Camera
Dual	50 MP, f/1.8, 23mm (wide), 1/1.55", PDAF, OIS 8 MP, f/2.2, 16mm, 112˚ (ultrawide)	50 MP, f/1.5, 26mm (wide), 1/1.95", 0.8µm, PDAF, OIS 8 MP, f/2.2, 15mm (ultrawide), 1/4.0", 1.12µm
Features	Color spectrum sensor, LED flash, HDR, panorama	LED flash, HDR, panorama
Video	4K@30/60fps, 1080p@30/60/240fps, gyro-EIS	4K@30/60fps, 1080p@30/60/120/240/960fps, gyro-EIS, HDR10+
Selfie camera
Single	16 MP, f/2.4, 23mm (wide), 1/3"	20 MP, f/2.2, 21mm (wide), 1/4.0", 0.7µm
Features	Panorama	–
Video	1080p@30fps, gyro-EIS	1080p@30/60fps
Sound
Loudspeaker	Yes, with stereo speakers	Yes, with stereo speakers (with Dolby Atmos)
3.5mm jack	No	No 24-bit/192kHz Hi-Res & Hi-Res Wireless audio
Comms
WLAN	802.11 a/b/g/n/ac/6/7, dual-band, Wi-Fi Direct	Wi-Fi 802.11 a/b/g/n/ac/6/7, dual-band, Wi-Fi Direct
Bluetooth	6.0, A2DP, LE	6.0, A2DP, LE, aptX HD, LHDC 5, Auracast, ASHA
Positioning	GPS (L1+L5), GALILEO (E1+E5a+E5b), QZSS (L1+L5), BDS (B1l+B1C+ B2a+B2b), GLONASS, NavIC (L5)	GPS (L1+L5), BDS (B1I+B1c+B2a+B2b), GALILEO (E1+E5a+E5b), QZSS (L1+L5), NavIC (L1+L5), GLONASS
NFC	Yes	Yes (market/region dependent)
Infrared port	Yes	Yes
Radio	No	No
USB	USB Type-C 2.0, OTG	USB Type-C 2.0, OTG
Features
Sensors	Fingerprint (under display, ultrasonic), accelerometer, gyro, proximity, compass	Fingerprint (under display, ultrasonic), accelerometer, gyro, compass, proximity
Battery
Type	Si/C Li-Ion 8600 mAh	Si/C Li-Ion 8500 mAh or 9000 mAh (market/region dependent)
Charging	120W wired, 44W/120W UFCS, 55W PPS, 13.5W PD, 53% in 22 min	100W wired, 100W PPS, PD3.0, PPS, 50% in 24 min 27W reverse wired Bypass charging
Misc
Colors	Gray, Gold	Black, White, Blue
Price	About 440 EUR	$ 515.00 / € 558.99 / £ 499.00
Models	–	2602BPC18G
EU LABEL
Energy	–	Class B
Battery	–	80:14h endurance, 1000 cycles
Free fall	–	Class B (180 falls)
Repairability	–	Class C