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Full specifications
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LAUNCH DATE3 fields
| Specification | MIX Fold 4 | 18 Pro Max |
|---|---|---|
| Announced | July 19 2024 | 2026, September 23 |
| Released | 2024, July | 2026-09-23 |
| Status | Available | Available |
NETWORK6 fields
| Specification | MIX Fold 4 | 18 Pro Max |
|---|---|---|
| 2G Bands | GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 | GSM B2 / B3 / B5 / B8 |
| 3G Bands | HSDPA 800 / 850 / 900 / 1700(AWS) / 1900 / 2100 | WCDMA B1 / B2 / B4 / B5 / B6 / B8 / B19 |
| 4G LTE | 1, 2, 3, 4, 5, 7, 8, 12, 17, 18, 19, 20, 26, 28, 34, 38, 39, 40, 41, 42, 48, 66 | 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, 26, 28, 38, 40, 41, 48, 66, 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 | LTE, 5G | — |
| Technology | 5G/4G/LTE/GSM | 5G / 4G LTE / 3G / 2G |
BODY6 fields
| Specification | MIX Fold 4 | 18 Pro Max |
|---|---|---|
| Build | Glass front (folded), plastic front (unfolded), 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 | Unfolded: 159.4 x 143.3 x 4.6 mm Folded: 159.4 x 73.1 x 9.5 mm | 163.39 x 77.6 x 8.39 mm (Black / White / Ice Peach Pink); 8.47 mm thick (Star River Blue / Transparent) |
| IP Rating | IPX8 Water Resistant (up to 1.5m for 30 min) | IP66 / IP68 / IP69 |
| SIM | Nano-SIM + Nano-SIM | Dual Nano-SIM |
| Weight | 226 g or 228 g (7.97 oz) | 235 g (Black / White / Ice Peach Pink); 240 g (Star River Blue / Transparent) |
DISPLAY7 fields
| Specification | MIX Fold 4 | 18 Pro Max |
|---|---|---|
| Brightness | 1700 nits (HBM), 3000 nits (peak) | 4000 nits (peak), main and rear displays |
| Protection | Cover display: LTPO AMOLED, 68B colors, 120Hz, HDR10+, Dolby Vision, 1700 nits (HBM), 3000 nits (peak) 6.56 inches, 1080 x 2520 pixels, 21:9 ratio Scratch/drop-resistant glass | Xiaomi Dragon Crystal Glass 3.0 |
| Refresh Rate | 120Hz | 1-120Hz adaptive (LTPO), 300Hz touch sampling; rear display 120Hz |
| Resolution | 2224 x 2488 pixels (~418 ppi density) | 2624 x 1208 pixels (main); 976 x 596 pixels (rear display) |
| Screen-to-body | ~89.4% | — |
| Size | 7.98 inches, 204.1 cm2 (~89.4% screen-to-body ratio) | 6.9 inches (main); 2.9 inches (rear display) |
| Type | Foldable LTPO AMOLED, 1B colors, 120Hz, HDR10+, Dolby Vision, 1700 nits (HBM), 3000 nits (peak) | 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 |
PLATFORM4 fields
| Specification | MIX Fold 4 | 18 Pro Max |
|---|---|---|
| CPU | Octa-core (1x3.3 GHz Cortex-X4 & 3x3.2 GHz Cortex-A720 & 2x3.0 GHz Cortex-A720 & 2x2.3 GHz Cortex-A520) | Octa-core, Qualcomm 4th-gen Oryon, up to 5 GHz |
| Chipset | Qualcomm SM8650-AB Snapdragon 8 Gen 3 (4 nm) | Qualcomm Snapdragon 8 Elite Extreme Gen 6 (2 nm) |
| GPU | Adreno 750 | Qualcomm Adreno |
| OS | Android 14, HyperOS | Android 17, Xiaomi HyperOS 4 |
MEMORY5 fields
| Specification | MIX Fold 4 | 18 Pro Max |
|---|---|---|
| Card slot | No | No |
| Internal | 256GB, 512GB, 1TB | 256GB, 512GB, 1TB |
| RAM | 12GB RAM, 16GB RAM | 12GB, 16GB LPDDR5X |
| Storage Type | UFS 4.0 | UFS 4.1 |
| Storage/RAM variants | 256GB, 512GB, 1TB; 12GB RAM, 16GB RAM | 12GB + 256GB, 12GB + 512GB, 16GB + 512GB, 16GB + 1TB |
MAIN CAMERA3 fields
| Specification | MIX Fold 4 | 18 Pro Max |
|---|---|---|
| Features | Laser AF, color spectrum sensor, LED flash, HDR, panorama, Leica lenses | Leica optics, Legendary Moment imaging (on-device + cloud processing), up to 12.8x lossless zoom, 12cm telephoto macro, LED flash |
| MAIN CAMERA | 50 MP, f/1.7, 23mm (wide), 1/1.49", 1.0µm, PDAF, OIS 50 MP, f/2.0, 47mm (telephoto), PDAF (9cm - ∞), OIS, 2x optical zoom 10 MP, f/2.9, 115mm (periscope telephoto), PDAF (30cm - ∞), OIS, 5x optical zoom 12 MP, f/2.2, 15mm, 120˚ (ultrawide) | 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@24fps, 4K@24/30/60fps, 1080p@30/60/120/240/960fps, 720p@1920fps, Dolby Vision HDR | 8K@30fps, 4K@30/60/120fps, 1080p@30/60/120/240/960fps |
SELFIE CAMERA3 fields
| Specification | MIX Fold 4 | 18 Pro Max |
|---|---|---|
| Features | Dolby Vision HDR | Portrait blur, AI beauty, face fill light, dynamic photos, time-lapse, slow motion |
| Selfie camera | 16 MP, (wide) Cover camera: 16 MP, (wide) | 50 MP, f/2.2, 1/2.88-inch |
| Video | 1080p@30/60fps | 4K@30/60fps, 1080p@30/60fps |
SOUND2 fields
| Specification | MIX Fold 4 | 18 Pro Max |
|---|---|---|
| 3.5mm jack | No | No |
| Loudspeaker | Yes, with stereo speakers | Yes, triple-speaker stereo setup |
COMMUNICATION6 fields
| Specification | MIX Fold 4 | 18 Pro Max |
|---|---|---|
| Bluetooth | 5.4, A2DP, LE, aptX HD, aptX Adaptive, LHDC | 6.0 |
| NFC | Yes | Yes (plus UWB and IR blaster) |
| Positioning | GPS (L1+L5), BDS (B1I+B1c+B2a), GALILEO (E1+E5a), QZSS (L1+L5), NavIC (L5), GLONASS | Dual-frequency GPS, tri-frequency BeiDou, GLONASS |
| Radio | No | No |
| USB | USB Type-C 3.2, OTG | USB Type-C 3.2 Gen 1 (5Gbps) |
| WLAN | Wi-Fi 802.11 a/b/g/n/ac/6e/7, dual-band (tri-band after future SW update), Wi-Fi Direct | Wi-Fi 7 (802.11 a/b/g/n/ac/ax/be), 2x2 MIMO |
FEATURES1 field
| Specification | MIX Fold 4 | 18 Pro Max |
|---|---|---|
| Sensors | Fingerprint (side-mounted), accelerometer, gyro, proximity, compass, barometer | Ultrasonic under-display fingerprint, accelerometer, gyroscope, compass, proximity, ambient light, barometer, Hall sensor, IR blaster |
BATTERY3 fields
| Specification | MIX Fold 4 | 18 Pro Max |
|---|---|---|
| Capacity | 5100 mAh | 8500 mAh |
| Charging Type | 67W wired, PD3.0, QC4, 31% in 10 min 50W wireless, 24% in 10 min | 100W wired, 50W wireless, 27W reverse wired |
| Type | 5100 mAh | Silicon-carbon (Jinsha River battery), single cell |
ADDITIONAL INFORMATION7 fields
| Specification | MIX Fold 4 | 18 Pro Max |
|---|---|---|
| Colors | Black, White, Blue | 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 | — | 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) | $1,513.00 (reference only — see Price in Nigeria above for the actual retail price) | — |
| Models | Mix Fold 4 | — |
| Price in Nigeria | ₦1,500,000 (Stored estimate) | Nigeria price not recorded. Worldwide quote: USD 1,199 |
TESTS3 fields
| Specification | MIX Fold 4 | 18 Pro Max |
|---|---|---|
| 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) |
SECURITY1 field
| Specification | MIX Fold 4 | 18 Pro Max |
|---|---|---|
| Security | Biometric security: Fingerprint (side-mounted). | 3D ultrasonic under-display fingerprint, face unlock |