Two devices. One clear decision.

LAUNCH DATE3 fields

Specification	18 Pro Max	9
Announced	2026, September 23	19 November 2024
Released	2026-09-23	7 January 2025 (US availability; global rollout from late 2024)
Status	Available	Available

NETWORK6 fields

Specification	18 Pro Max	9
2G Bands	GSM B2 / B3 / B5 / B8	GSM 850 / 900 / 1800 / 1900
3G Bands	WCDMA B1 / B2 / B4 / B5 / B6 / B8 / B19	WCDMA 800 / 850 / 900 / 1700 / 1900 / 2100
4G LTE	FDD-LTE B1/B2/B3/B4/B5/B7/B8/B12/B13/B14/B17/B18/B19/B20/B25/B26/B28/B29/B66/B71; TD-LTE B34/B38/B39/B40/B41/B42/B43/B48	FDD: 1, 2, 3, 4, 5, 7, 8, 12, 17, 18, 19, 20, 25, 26, 28, 32, 66; TDD: 34, 38, 39, 40, 41, 42, 43, 48 (WW version); US version adds 29, 30, 71
5G	n1, n2, n3, n5, n7, n8, n12, n13, n14, n18, n20, n25, n26, n28, n29, n38, n40, n41, n48, n66, n70, n71, n77, n78, n79, n80, n81, n83, n84, n89	SA/NSA n1, n2, n3, n5, n7, n8, n12, n18, n20, n25, n26, n28, n38, n40, n41, n48, n66, n77, n78, n79 (WW version)
Speed	—	HSPA, LTE, 5G
Technology	5G / 4G LTE / 3G / 2G	GSM / HSPA / LTE / 5G

BODY6 fields

Specification	18 Pro Max	9
Build	Glass back (Star River Blue / Transparent) or fibreglass back (Black / White / Ice Peach Pink), metal frame, Xiaomi Dragon Crystal Glass 3.0 front	Glass front (Gorilla Glass Victus 2), glass back (matte, nano-crystalline texture)
Colors	Classic Black, Classic White, Ice Peach Pink, Star River Blue, Red Transparent Special Edition	—
Dimensions	163.39 x 77.6 x 8.39 mm (Black / White / Ice Peach Pink); 8.47 mm thick (Star River Blue / Transparent)	163.8 x 77 x 8.9 mm
IP Rating	IP66 / IP68 / IP69	IP65/IP68
SIM	Dual Nano-SIM	Nano-SIM + Nano-SIM (dual standby)
Weight	235 g (Black / White / Ice Peach Pink); 240 g (Star River Blue / Transparent)	227 g

DISPLAY7 fields

Specification	18 Pro Max	9
Brightness	4000 nits (peak), main and rear displays	2500 nits (peak); 1600 nits (HBM)
Features	—	HDR10; 107.37% DCI-P3; 720Hz touch sampling rate; 10-point multitouch
Protection	Xiaomi Dragon Crystal Glass 3.0	Corning Gorilla Glass Victus 2
Refresh Rate	1-120Hz adaptive (LTPO), 300Hz touch sampling; rear display 120Hz	LTPO 1-120Hz; up to 185Hz in Game Genie
Resolution	2624 x 1208 pixels (main); 976 x 596 pixels (rear display)	1080 x 2400 pixels (FHD+)
Size	6.9 inches (main); 2.9 inches (rear display)	6.78 inches
Type	LTPO OLED (Super Pixel Screen 2.0, M11 light-emitting materials), BT.2020 colour gamut, HDR10+, Dolby Vision, DC dimming, hardware-level privacy display; secondary 2.9-inch OLED rear display	Samsung Flexible AMOLED (E6), LTPO, 185Hz, HDR10

PLATFORM4 fields

Specification	18 Pro Max	9
CPU	Octa-core, Qualcomm 4th-gen Oryon, up to 5 GHz	Octa-core, up to 4.3GHz, 64-bit (2nd-gen Qualcomm Oryon)
Chipset	Qualcomm Snapdragon 8 Elite Extreme Gen 6 (2 nm)	Qualcomm Snapdragon 8 Elite
GPU	Qualcomm Adreno	Adreno 830
OS	Android 17, Xiaomi HyperOS 4	Android 15, ROG UI

MEMORY5 fields

Specification	18 Pro Max	9
Card slot	No	—
Internal	256GB, 512GB, 1TB	256GB / 512GB
RAM	12GB, 16GB LPDDR5X	12GB / 16GB LPDDR5X
Storage Type	UFS 4.1	UFS 4.0
Storage/RAM variants	12GB + 256GB, 12GB + 512GB, 16GB + 512GB, 16GB + 1TB	256GB 12GB RAM; 512GB 16GB RAM

MAIN CAMERA3 fields

Specification	18 Pro Max	9
Features	Leica optics, Legendary Moment imaging (on-device + cloud processing), up to 12.8x lossless zoom, 12cm telephoto macro, LED flash	LED flash, 6-axis hybrid gimbal stabilization, AI Object Sense, AI HyperClarity
MAIN CAMERA	200 MP, f/1.67, 23mm (wide), 1/1.28-inch Light Hunter 960L, LOFIC, OIS; 200 MP, f/2.4, 75mm (periscope telephoto), 1/1.56-inch Samsung HP5, 3.2x optical zoom; 50 MP, f/2.4, 17mm (ultrawide), 1/2.88-inch OmniVision OV51D40	50 MP, f/1.9, 1/1.56", Sony Lytia 700 (wide), gimbal OIS | 13 MP, 120° (ultrawide) | 5 MP (macro)
Video	8K@30fps, 4K@30/60/120fps, 1080p@30/60/120/240/960fps	8K@30fps, 4K@30/60fps, 1080p@30/60fps; slow motion 4K@120fps, 1080p@120/240fps, 720p@480fps

SELFIE CAMERA3 fields

Specification	18 Pro Max	9
Features	Portrait blur, AI beauty, face fill light, dynamic photos, time-lapse, slow motion	1x and 0.7x selfie perspectives
Selfie camera	50 MP, f/2.2, 1/2.88-inch	32 MP RGBW, 90° FoV
Video	4K@30/60fps, 1080p@30/60fps	—

SOUND2 fields

Specification	18 Pro Max	9
3.5mm jack	No	Yes; Hi-Res Audio up to 384 kHz / 32-bit; Dirac Virtuo spatial sound
Loudspeaker	Yes, triple-speaker stereo setup	Yes, with stereo speakers (multi-magnet dual)

COMMUNICATION6 fields

Specification	18 Pro Max	9
Bluetooth	6.0	5.4, aptX Adaptive, aptX Lossless
NFC	Yes (plus UWB and IR blaster)	Yes
Positioning	Dual-frequency GPS, tri-frequency BeiDou, GLONASS	GPS (L1+L5), GLONASS (L1), Galileo (E1+E5a), BeiDou (B1i/B1c/B2a), QZSS (L1+L5), NavIC
Radio	No	—
USB	USB Type-C 3.2 Gen 1 (5Gbps)	2x USB Type-C: USB 3.1 Gen 1 (side), USB 2.0 (bottom), OTG (ROG Phone 9 Pro review; same chassis)
WLAN	Wi-Fi 7 (802.11 a/b/g/n/ac/ax/be), 2x2 MIMO	Wi-Fi 802.11 a/b/g/n/ac/ax/be (Wi-Fi 7), 2.4/5/6GHz

FEATURES3 fields

Specification	18 Pro Max	9
Ai	—	X Sense, X Capture, AI Grabber, AI Call Translator, AI Noise Cancellation
Other features	—	AniMe Vision rear display (85 mini-LEDs); AirTriggers; Game Genie
Sensors	Ultrasonic under-display fingerprint, accelerometer, gyroscope, compass, proximity, ambient light, barometer, Hall sensor, IR blaster	In-display fingerprint, face recognition, accelerometer, e-compass, gyroscope, proximity, ambient light, AirTrigger

BATTERY3 fields

Specification	18 Pro Max	9
Capacity	8500 mAh	5800 mAh
Charging Type	100W wired, 50W wireless, 27W reverse wired	65W wired (QC 5.0, PD 3.0), 0-100% in 46 min; 15W wireless (Qi 1.3)
Type	Silicon-carbon (Jinsha River battery), single cell	5800 mAh (typical)

ADDITIONAL INFORMATION8 fields

Specification	18 Pro Max	9
Colors	Classic Black, Classic White, Ice Peach Pink, Star River Blue, Red Transparent Special Edition	Phantom Black; Storm White
Compatibility	China launch model (sold in China from 23 Sep 2026, HyperOS 4). Xiaomi has confirmed a global launch but has not given dates or prices. Reports based on HyperOS code say the global 18 Pro Max will have a smaller battery (7,050 mAh vs 8,500 mAh in China) with similar charging speed (90/100W).	Band lists differ between WW/US/CN versions (US adds LTE B29/B30/B71); 2 Android OS updates and 5 years of security updates; screen protector in box only in TW/HK
Cooling	New-generation circular cold-pump cooling system with a 5,513 mm² heat-dissipation area; OFFSET PoP high-thermal-conductivity chip packaging	ROG GameCool 9: 360° SoC Cooling System Gen 3, vapor chamber, graphite sheet (+57% volume), boron nitride; optional AeroActive Cooler X Pro
Launch Price	CNY 6,999 (12GB+256GB), CNY 7,999 (12GB+512GB), CNY 8,999 (16GB+512GB), CNY 9,999 (16GB+1TB), CNY 10,999 (Transparent Edition 16GB+1TB) — China launch, 2026-09-23	EUR 1,099 (12GB/256GB), EUR 1,149 (12GB/512GB) (Europe)
Launch Price (USD)	—	$999.99 (US, 12GB/256GB)
Models	—	AI2501
Models and regions	—	WW, US and CN versions with different band lists
Price in Nigeria	Nigeria price not recorded. Worldwide quote: USD 1,199	₦1,400,000 (Stored estimate)

TESTS3 fields

Specification	18 Pro Max	9
Battery Endurance	15-hour endurance test: 48% battery left (iPhone 18 Pro Max: 31%) (Xiaomi launch figure); keeps at least 80% capacity after 2,000 cycles (Xiaomi). AnTuTu review: 3 h of continuous gaming used 36% (64% left); 6 h of mixed use used 48% (52% left)	At least 4.5 h heavy gaming, 22.1 h video streaming, 23.4 h IG scrolling (ASUS manufacturer figures)
Graphics	AnTuTu v12.0.1 GPU: 1,629,180; Honor of Kings (max settings, 30 min): avg 120.14 fps; Genshin Impact (max settings): avg 59.96 fps (AnTuTu review)	—
Performance	AnTuTu v12.0.1: 4,443,544 (CPU 1,159,810; memory 684,064; UX 970,490) (AnTuTu review)	—

SECURITY1 field

Specification	18 Pro Max	9
Security	3D ultrasonic under-display fingerprint, face unlock	In-display fingerprint, face recognition