Xiaomi 18 Ultra has better RAM than Xiaomi 18 Pro Max. Both have the same amount of internal memory.
| Name | Xiaomi 18 Pro Max | Xiaomi 18 Ultra |
| RAM | 12 GB | 16 GB |
|---|---|---|
| Display | 6.9 in | 6.9 in |
| Internal Memory | 512 GB | 512 GB |
| Battery | 8000 mAh | 7000 mAh |
| Camera | 200 MP + 200 MP + 50 MP Triple | 200 MP + 200 MP + 50 MP Triple |
| Price | Rs. 89990 | Rs. 119990 |
The launch Date of the first phone is expected to be September 25, 2026 (Expected). The Expected cost of Xiaomi 18 Pro Max is Rs. 89990. The launch Date of the second phone is expected to be February 28, 2027 (Expected). The cost of Xiaomi 18 Ultra is Rs. 119990.
Both the phones have LTPO AMOLED Screen Type. Both have same 416 PPI. Both phones have same aspect ratio of 20:9.
Xiaomi 18 Ultra's larger 16 GB RAM is better for playing games and all with respect to Xiaomi 18 Pro Max's lower 12 GB RAM. and both have same Internal Memory of 512 GB.
Xiaomi 18 Pro Max has 200 MP + 200 MP + 50 MP Triple Rear Camera in comparison to Xiaomi 18 Ultra's 200 MP + 200 MP + 50 MP Triple Rear Camera. Both of them stand equal in terms of Front Camera Resolution as both have 50 MP Front Camera.
Both the phones run on Android Operating System Version 17.
| Name | Xiaomi 18 Pro Max | Xiaomi 18 Ultra |
| General | ||
| Sim Type | Dual Sim, GSM+GSM | Dual Sim, GSM+GSM |
| Dual Sim | Yes | Yes |
| Sim Size | Nano+Nano SIM | eSIM+eSIM SIM |
| Device Type | Smartphone | Smartphone |
| Release Date | September 25, 2026 (Expected) | February 28, 2027 (Expected) |
| Design | ||
| Bezel less | Yes | |
| Qwerty | No | |
| Display | ||
| Type | Color LTPO AMOLED Screen (68 B) | Color LTPO AMOLED Screen (68B) |
| Touch | Yes | Yes, 300 Hz Touch Sampling Rate |
| Size | 6.9 inches, 1200 x 2608 pixels | 6.9 inches, 1200 x 2608 pixels, 120 Hz |
| Aspect Ratio | 20:9 | 20:9 |
| PPI | ~ 416 PPI | ~ 416 PPI |
| Screen to Body Ratio | ~ 92.3% | ~ 92.3% |
| Brightness | 5000 nits (peak) | |
| Features | 1132 nits max brightness (measured) | |
| Notch | Yes, Punch Hole | Yes, Punch Hole |
| Curved Display | Yes | |
| Memory | ||
| RAM | 12 GB | 16 GB |
| RAM Type | LPDDR5X | |
| Storage | 512 GB | 512 GB |
| Storage Type | UFS | UFS 4.1 |
| Card Slot | No | |
| Connectivity | ||
| GPRS | Yes | Yes |
| EDGE | Yes | Yes |
| 3G | Yes | Yes |
| 4G | Yes | Yes |
| 5G | Yes | Yes |
| 5G Bands | SA: n1/2/3/5/7/8/20/28/38/40/41/48/66*/77/78/79, NSA: n1/3/5/7/8/20/28/38/40/41/66*/77/78/79 | |
| VoLTE | Yes, Dual Stand-By | Yes, Dual Stand-By |
| Vo5G | Yes | Yes |
| Wifi | Yes, with wifi-hotspot | Yes, with wifi-hotspot |
| Wifi Version | Wi-Fi 7 | WiFi 6 support |
| Bluetooth | Yes, v6.0, A2DP, LE, aptX HD | Yes, v6.0 |
| USB | Yes, USB-C v3.2 | Yes, USB-C v3.2 |
| USB Features | USB Tethering, USB on-the-go, USB Charging | USB Tethering, USB on-the-go, USB Charging |
| IR Blaster | Yes | Yes |
| Performance | ||
| Geekbench Score | 2,960 (Single Core) | |
| Extra | ||
| GPS | with GPS, Galileo, GLONASS, Beidou, NAVIC | Yes |
| Fingerprint Sensor | Yes, In Display | Yes, In Display |
| Face Unlock | Yes | Yes |
| Sensors | Accelerometer, Proximity, Gyro, Compass, Bbarometer | Accelerometer, Proximity, Gyro, Compass, Barometer |
| 3.5mm Headphone Jack | No | No |
| NFC | Yes | Yes |
| Water Resistance | Yes | Yes, 6 m upto 30 min |
| IP Rating | IP69 | IP69 |
| Dust Resistant | Yes | Yes |
| Camera | ||
| Rear Camera | 200 MP (Wide Angle) 200 MP (Telephoto) 50 MP ƒ/2.4 (Ultra Wide) | 200 MP (Wide Angle) 200 MP (Telephoto) 50 MP (Ultra Wide) |
| Camera Sensor | LYT-900 | |
| OIS | Yes | Yes |
| Auto Focus | Yes | Yes, Laser AF |
| Features | Laser AF, Color Spectrum Sensor, Leica Lens, Dual-tone , HDR, Panorama | Laser AF, color spectrum sensor, Leica lenses, HDR, panorama |
| Video Recording | 8K @ 30 fps UHD, 1080p @ 60 fps FHD, 4K @ 60 fps UHD | 8K @ 30 fps UHD, 1080p, 4K |
| Flash | Yes, Dual LED | Yes, Dual LED |
| Front Camera | 50 MP ƒ/2.2 (Wide Angle) Punch Hole, Autofocus, Screen Flash | 50 MP ƒ/2.2 (Wide Angle) Punch Hole, Autofocus, Screen Flash |
| Front Video Recording | 4K @ 60 fps UHD, 1080p @ 60 fps FHD | 4K @ 30 fps UHD, 1080p @ 30 fps FHD |
| Technical | ||
| OS | Android v17 | Android v17 |
| Custom UI | HyperOS 4 | Xiaomi HyperOS 4 |
| Chipset | Qualcomm Snapdragon 8 Elite Gen 6 | Qualcomm Snapdragon 8 Elite Gen 6 |
| CPU | Octa Core Processor | Octa Core Processor |
| Fabrication Node | 3 nm | |
| GPU | Adreno | |
| Java | No | No |
| Browser | Yes | Yes |
| Multimedia | ||
| Yes | Yes | |
| Music | MP3, FLAC, APE, AAC, OGG, WAV, WMA, AMR, AWB | MP3, FLAC, APE, AAC, OGG, WAV, WMA, AMR, AWB |
| Video | MP4, MKV, AVI, WMV, WEBM, 3GP, ASF playback | MP4, MKV, WEBM, 3GP, TS, HDR10+, Supports HDR Display When Playing HDR10+, Dolby Vision, HDR Vivid Video Content |
| FM Radio | No | No |
| Speaker Type | Stereo | |
| Audio Features | 4-Mic Array, 24-bit/192kHz Hi-Res & Hi-Res Wireless Audio. Qualcomm XPAN (24-bit/96kHz Audio), Dolby Atmos | |
| Document Reader | Yes | Yes |
| Battery | ||
| Type | Non-Removable Battery | Non-Removable Battery |
| Size | 8000 mAh, Li-Po Battery | 7000 mAh |
| Fast Charging | Yes, 120W Fast Charging | Yes, 100W |
| Wireless Charging | Yes, 50W | Yes, 50W |
| Reverse Charging | Yes | Yes, 22.5W |
| Reverse Wireless Charging | Yes, 22.5W | Yes, 10W |