Xiaomi 18 Ultra vs Poco X8 Pro Max 5G (12GB RAM + 512GB)

Here you can compare Xiaomi 18 Ultra and Poco X8 Pro Max 5G (12GB RAM + 512GB). Comparing Xiaomi 18 Ultra vs Poco X8 Pro Max 5G (12GB RAM + 512GB) on Smartprix enables you to check their respective specs scores and unique features. It would potentially help you understand how Xiaomi 18 Ultra stands against Poco X8 Pro Max 5G (12GB RAM + 512GB) and which one should you buy The current lowest price found for Xiaomi 18 Ultra is ₹1,19,990 and for Poco X8 Pro Max 5G (12GB RAM + 512GB) is ₹48,999. The details of both of these products were last updated on Jun 12, 2026.

Specification	Xiaomi 18 Ultra	Poco X8 Pro Max 5G (12GB RAM + 512GB)
Display	6.9 inches, 1200 x 2608 pixels, 120 Hz	6.83 inches, 1280 x 2772 pixels, 120 Hz
RAM	16 GB	12 GB
OS	Android v17	Android v16
Battery	7000 mAh	9000 mAh, Li-Po Battery
Internal Memory	512 GB	512 GB
Price	₹1,19,990	₹48,999

Xiaomi 18 Ultra₹1,19,990

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Poco X8 Pro Max 5G (12GB RAM + 512GB)₹48,9993%

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Xiaomi 18 Ultra₹1,19,990

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Poco X8 Pro Max 5G (12GB RAM + 512GB)₹48,9993%

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Overview

Specs Score	94 / 100 Better Specs	84 / 100
Display Resolution	1200 x 2608 pixels	1280 x 2772 pixels Better Resolution
RAM	16 GB More RAM	12 GB
CPU Clock Speed		3.73 GHz Faster Clock Speed
Rear Camera	200 MP + 200 MP + 50 MP Triple Better Camera Resolution	50 MP + 8 MP Dual
Front Camera	50 MP Better Front Camera Resolution	20 MP
Weight		218 g Lighter
Thickness		8.2 mm Slimmer
Battery	7000 mAh	9000 mAh Bigger Battery
Unique Features	NFC Wireless Charging	No No

General

Model		2602BPC18G
Sim Type	Dual Sim, GSM+GSM	Dual Sim, GSM+GSM
Dual Sim	Yes	Yes
Sim Size	eSIM+eSIM SIM	Nano+Nano SIM
eSIM Support	Yes
Device Type	Smartphone	Smartphone
OS Updates		4 years
Security Updates		6 years
Release Date	February 28, 2027 (Expected)	March 17, 2026
In The Box		1 x Handset, 1 x Adapter, 1 x Type-C USB Cable, 1 x Sim Eject Tool, 1 x Protective Case, 1 x Quick Start Guide, 1 x Warranty Card

Design

Dimensions		77.9 x 162.9 x 8.2 mm
Weight		218 g
Bezel less	Yes
Qwerty	No
Colors		Black, White, Blue

Display

Type	Color LTPO AMOLED Screen (68B)	Color AMOLED Screen (68.7 B)
Touch	Yes, 300 Hz Touch Sampling Rate	Yes
Size	6.9 inches, 1200 x 2608 pixels, 120 Hz	6.83 inches, 1280 x 2772 pixels, 120 Hz
Aspect Ratio	20:9	20:9
PPI	~ 416 PPI	~ 447 PPI
Screen to Body Ratio	~ 92.3%	~ 90.3%
Glass Type		Corning Gorilla Glass 7i
Brightness	5000 nits (peak)	2000 nits (HBM), 3500 nits (peak)
HDR Support		Yes, HDR10+, Dolby Vision
Adaptive Refresh Rate	Yes, LTPO	Yes
Features	1132 nits max brightness (measured)	3840Hz PWM, Dolby Vision, HDR10+, Adaptive Refresh Rate 30(AOD)/60/90/120Hz TÜV Rheinland Low Blue light (Hardware Solution), TÜV Rheinland Circadian Friendly, TÜV Rheinland flicker free
Notch	Yes, Punch Hole	Yes, Punch Hole
Curved Display	Yes

Memory

RAM	16 GB	12 GB
RAM Type	LPDDR5X	LPDDR5X Ultra
Storage	512 GB	512 GB
Storage Type	UFS 4.1	UFS 4.1
Card Slot	No

Connectivity

GPRS	Yes	Yes
EDGE	Yes	Yes
3G	Yes	Yes
4G	Yes	Yes
5G	Yes	Yes
5G Bands		5G SA: n1/n2/n3/n5/n7/n8/n20/n28/n38/n40/n41/n48/n77/n78, 5G NSA: n1/n2/n3/n5/n7/n8/n20/n28/n38/n40/n41/n48/n77/n78
VoLTE	Yes, Dual Stand-By	Yes, Dual Stand-By
Vo5G	Yes
Wifi	Yes, with wifi-hotspot	Yes, with wifi-hotspot
Wifi Version	WiFi 6 support	Wi-Fi 7
Bluetooth	Yes, v6.0	Yes, v6.0, A2DP, LE
USB	Yes, USB-C v3.2	Yes, USB-C v2.0
USB Features	USB Tethering, USB on-the-go, USB Charging	USB on-the-go, USB Charging
IR Blaster	Yes	Yes

Performance

AnTuTu Score		2,712,214 (Total) (v11)
Geekbench Score	2,960 (Single Core)	8,254 (Multi Core) (v6) 2,596 (Single Core) 20,010 (OpenCL) 21,920 (Vulkan)
3DMark Score		6,019 (Wild Life Extreme) (36.04 FPS)

Extra

GPS	Yes	Yes, with A-GPS. Up to tri-band: GLONASS, BDS, GALILEO, QZSS, NavIC
Fingerprint Sensor	Yes, In Display	Yes, In Display
Face Unlock	Yes	Yes
Sensors	Accelerometer, Proximity, Gyro, Compass, Barometer	Ultrasonic In-Display Fingerprint Sensor, Proximity Sensor, Ambient Light Sensor, Accelerometer, E-Compass, Gyroscope, IR Blaster, Flicker Sensor
3.5mm Headphone Jack	No	No
NFC	Yes
AI Features		Circle to Search with Google, Google Gemini, AI Writing, AI Speech Recognition, AI Interpreter
Water Resistance	Yes, 6 m upto 30 min	Yes, 1.5 m upto 30 min
IP Rating	IP69	IP66/IP68/IP69/ IP69K
Dust Resistant	Yes	Yes
Extra Features		3D IceLoop Cooling System, X-axis Linear Motor

Camera

Rear Camera	200 MP (Wide Angle) 200 MP (Telephoto) 50 MP (Ultra Wide)	50 MP ƒ/1.5 (Wide Angle) 26mm (wide), 1/1.95", 0.8µm, PDAF, OIS 8 MP ƒ/2.2 (Ultra Wide) 15mm (ultrawide), 1/4.0", 1.12µm
Camera Sensor	LYT-900
OIS	Yes	Yes
Auto Focus	Yes, Laser AF	Yes
Features	Laser AF, color spectrum sensor, Leica lenses, HDR, panorama	Dynamic Shot, Motion Capture, Documents Mode, Potrait Mode, Pro Mode, 50MP Mode, Slow Motion, Time Lapse, Voice Shutter, HDR, Panaroma, Google Lens, DUAL Video, Long Exposure, Timed Burst
Video Recording	8K @ 30 fps UHD, 1080p, 4K	4K @ 30/60 fps UHD, 1080p @ 30/60 fps FHD
Flash	Yes, Dual LED	Yes, LED
Front Camera	50 MP ƒ/2.2 (Wide Angle) Punch Hole, Autofocus, Screen Flash	20 MP ƒ/2.2 (Wide Angle) Punch Hole
Front Video Recording	4K @ 30 fps UHD, 1080p @ 30 fps FHD	1080p @ 60 fps FHD

Technical

OS	Android v17	Android v16
Custom UI	Xiaomi HyperOS 4	HyperOS 3
Chipset	Qualcomm Snapdragon 8 Elite Gen 6	Mediatek Dimensity 9500s
CPU	Octa Core Processor	3.73 GHz, Octa Core Processor
Fabrication Node	3 nm
GPU		Immortalis-G925 MC12
Java	No	No
Browser	Yes	Yes

Multimedia

Email	Yes	Yes
Music	MP3, FLAC, APE, AAC, OGG, WAV, WMA, AMR, AWB	Yes
Video	MP4, MKV, WEBM, 3GP, TS, HDR10+, Supports HDR Display When Playing HDR10+, Dolby Vision, HDR Vivid Video Content	Yes
FM Radio	No	No
Speaker Type	Stereo	Dual Stereo
Audio Features	4-Mic Array, 24-bit/192kHz Hi-Res & Hi-Res Wireless Audio. Qualcomm XPAN (24-bit/96kHz Audio), Dolby Atmos	Hi-Res Audio, Stereo Speakers, Dolby Atmos
Document Reader	Yes	Yes

Battery

Type	Non-Removable Battery	Non-Removable Battery
Size	7000 mAh	9000 mAh, Li-Po Battery
Fast Charging	Yes, 100W	Yes, 100W Fast charging
Wireless Charging	Yes, 50W
Reverse Charging	Yes, 22.5W	Yes, 27W
Reverse Wireless Charging	Yes, 10W

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