Device Comparison
| 17 Ultra | 18 Pro Max | |
|---|---|---|
| LAUNCH DATE | ||
| Announced | 25 December, 2025 | 2026, September 23 |
| Released | 27 December, 2025 | 2026-09-23 |
| Status | Available | Available |
| NETWORK | ||
| 2G Bands | GSM 850 / 900 / 1800 / 1900 | GSM B2 / B3 / B5 / B8 |
| 3G Bands | HSDPA 850 / 900 / 2100 | WCDMA B1 / B2 / B4 / B5 / B6 / B8 / B19 |
| 4G LTE | 1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 18, 19, 20, 25, 26, 28, 32, 38, 39, 40, 41, 42, 48, 66, 71 | 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 |
| 5G | 1, 2, 3, 5, 7, 8, 12, 20, 25, 26, 28, 38, 40, 41, 48, 66, 71, 75, 77, 78, 79 SA/NSA | 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 |
| Speed | HSPA, LTE, 5G | — |
| Technology | GSM / HSPA / LTE / 5G | 5G / 4G LTE / 3G / 2G |
| BODY | ||
| Build | Glass front, glass or ceramic back, aluminum frame | Glass back (Star River Blue / Transparent) or fibreglass back (Black / White / Ice Peach Pink), metal frame, Xiaomi Dragon Crystal Glass 3.0 front |
| Colors | — | Classic Black, Classic White, Ice Peach Pink, Star River Blue, Red Transparent Special Edition |
| Dimensions | 162.9 x 77.6 x 8.5 mm (6.41 x 3.06 x 0.33 in) | 163.39 x 77.6 x 8.39 mm (Black / White / Ice Peach Pink); 8.47 mm thick (Star River Blue / Transparent) |
| IP Rating | IP68/IP69 dust tight and water resistant (high pressure water jets; immersible up to 6m for 30 min) | IP66 / IP68 / IP69 |
| SIM | Dual Nano‑SIM | Dual Nano-SIM |
| Weight | 218.4 g or 223.4 g (7.69 oz) | 235 g (Black / White / Ice Peach Pink); 240 g (Star River Blue / Transparent) |
| DISPLAY | ||
| Brightness | 3500 nits (peak) | 4000 nits (peak), main and rear displays |
| Features | Dolby Vision, HDR10+, adaptive color and brightness | — |
| Protection | Premium reinforced glass | Xiaomi Dragon Crystal Glass 3.0 |
| Refresh Rate | 120Hz | 1-120Hz adaptive (LTPO), 300Hz touch sampling; rear display 120Hz |
| Resolution | 1200 x 2608 pixels, 19.5:9 ratio (~416 ppi density) | 2624 x 1208 pixels (main); 976 x 596 pixels (rear display) |
| Screen-to-body | 90% (very slim bezels) | — |
| Size | 6.9 inches, 116.6 cm2 (~92.3% screen-to-body ratio) | 6.9 inches (main); 2.9 inches (rear display) |
| Type | LTPO AMOLED, 1B colors, adaptive refresh rate | 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 |
| PLATFORM | ||
| CPU | Octa-core (2x4.6 GHz Prime & 6x3.62 GHz Performance, Qualcomm Oryon) | Octa-core, Qualcomm 4th-gen Oryon, up to 5 GHz |
| Chipset | Qualcomm Snapdragon 8 Elite Gen 5 (3 nm) | Qualcomm Snapdragon 8 Elite Extreme Gen 6 (2 nm) |
| GPU | Adreno 840 | Qualcomm Adreno |
| OS | Android 16 | Android 17, Xiaomi HyperOS 4 |
| MEMORY | ||
| Card slot | No | No |
| Internal | 256 GB / 512 GB / 1 TB | 256GB, 512GB, 1TB |
| RAM | 12 GB / 16 GB | 12GB, 16GB LPDDR5X |
| Storage Type | UFS 4.0 | UFS 4.1 |
| Storage/RAM variants | 256 GB / 512 GB / 1 TB; 12 GB / 16 GB RAM | 12GB + 256GB, 12GB + 512GB, 16GB + 512GB, 16GB + 1TB |
| MAIN CAMERA | ||
| Features | Leica optics, laser autofocus, HDR, panorama | Leica optics, Legendary Moment imaging (on-device + cloud processing), up to 12.8x lossless zoom, 12cm telephoto macro, LED flash |
| MAIN CAMERA | 50 MP wide, large sensor, OIS, 50 MP ultra‑wide, 50 MP periscope telephoto, optical zoom | 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 |
| Video | 8K video recording, advanced stabilization | 8K@30fps, 4K@30/60/120fps, 1080p@30/60/120/240/960fps |
| SELFIE CAMERA | ||
| Features | HDR, portrait effects | Portrait blur, AI beauty, face fill light, dynamic photos, time-lapse, slow motion |
| Selfie camera | 50 MP, f/2.2, 21mm (wide), 1/2.7", 0.61µm, AF | 50 MP, f/2.2, 1/2.88-inch |
| Video | 4K video recording | 4K@30/60fps, 1080p@30/60fps |
| SOUND | ||
| 3.5mm jack | No | No |
| Dolby Atmos | Supported | — |
| Loudspeaker | Stereo speakers | Yes, triple-speaker stereo setup |
| COMMUNICATION | ||
| Bluetooth | 5.4 stable low‑energy connection | 6.0 |
| NFC | Yes | Yes (plus UWB and IR blaster) |
| Positioning | GPS, GLONASS, GALILEO, BDS | Dual-frequency GPS, tri-frequency BeiDou, GLONASS |
| Radio | No | No |
| USB | USB Type‑C | USB Type-C 3.2 Gen 1 (5Gbps) |
| WLAN | Wi‑Fi 7 | Wi-Fi 7 (802.11 a/b/g/n/ac/ax/be), 2x2 MIMO |
| FEATURES | ||
| Ai | Advanced camera AI, real‑time translation, smart system optimizations | — |
| Satellite | Two-way satellite communication | — |
| Sensors | Under‑display fingerprint, accelerometer, gyro, proximity, compass | Ultrasonic under-display fingerprint, accelerometer, gyroscope, compass, proximity, ambient light, barometer, Hall sensor, IR blaster |
| BATTERY | ||
| Capacity | 6000 mAh (Global), 6800 mAh (China) | 8500 mAh |
| Charging Type | Fast wired charging, fast wireless charging, reverse wireless charging | 100W wired, 50W wireless, 27W reverse wired |
| Type | Li‑Po, non‑removable | Silicon-carbon (Jinsha River battery), single cell |
| ADDITIONAL INFORMATION | ||
| Colors | Black, White, Starry Green, Purple | Classic Black, Classic White, Ice Peach Pink, Star River Blue, Red Transparent Special Edition |
| 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). |
| Cooling | Advanced vapor‑chamber cooling system | New-generation circular cold-pump cooling system with a 5,513 mm² heat-dissipation area; OFFSET PoP high-thermal-conductivity chip packaging |
| 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 |
| Launch Price (USD) | $1,005.00 (reference only — see Price in Nigeria above for the actual retail price) | — |
| Models | 25128PNA1C | — |
| Price in Nigeria | ₦1,200,000 – ₦1,500,000 | ₦1,463,000 – ₦2,299,200 (estimate, converted from China launch price) |
| TESTS | ||
| 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) |
| 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) |
| SECURITY | ||
| Security | Ultrasonic under‑display fingerprint sensor, secure hardware encryption | 3D ultrasonic under-display fingerprint, face unlock |