Xiaomi 18 Ultra has better RAM than Xiaomi 18 Pro Max. In terms of display resolution, Xiaomi 18 Pro Max has better resolution of 2624 x 1208 than Xiaomi 18 Ultra which has resolution of 2608 x 1200. Xiaomi 18 Ultra has more internal memory than Xiaomi 18 Pro Max
| Name | Xiaomi 18 Pro Max | Xiaomi 18 Ultra |
| RAM | 12 GB | 16 GB |
|---|---|---|
| Display | 6.9 in | 6.9 in |
| Internal Memory | 256 GB | 512 GB |
| Battery | 8500 mAh | 7000 mAh |
| Camera | 200 MP + 200 MP + 50 MP Triple | 200 MP + 200 MP + 50 MP Triple |
| Price | Rs. 99999 | Rs. 119990 |
The launch Date of the first phone is September 23, 2026. The Expected cost of Xiaomi 18 Pro Max is Rs. 99999. The launch Date of the second phone is expected to be February 28, 2027 (Expected). The Expected cost of Xiaomi 18 Ultra is Rs. 119990.
Both the phones have LTPO AMOLED Screen Type. Xiaomi 18 Pro Max has display density of 418 PPI & Xiaomi 18 Ultra has only 416 PPI display density. In terms of screen to body ratio, Xiaomi 18 Ultra has better screen to body ratio of ~ 92.3% than Xiaomi 18 Pro Max's ~ 91.6%. Both mobiles 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. Xiaomi 18 Ultra has more Internal Memory (512 GB) than Xiaomi 18 Pro Max (256 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 | ||
| Model | 18 pro max | |
| Sim Type | Dual Sim, GSM+GSM | Dual Sim, GSM+GSM |
| Dual Sim | Yes | Yes |
| Sim Size | Nano+Nano SIM | eSIM+eSIM SIM |
| eSIM Support | Yes | |
| Device Type | Smartphone | Smartphone |
| Release Date | September 23, 2026 | February 28, 2027 (Expected) |
| Design | ||
| Dimensions | 77.6 x 163.4 x 8.4 mm | |
| Weight | 235 g | |
| Bezel less | Yes | |
| Qwerty | No | |
| Colors | Black, White, Pink, Red | |
| 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, 1208 x 2624 pixels, 120 Hz | 6.9 inches, 1200 x 2608 pixels, 120 Hz |
| Aspect Ratio | 20:9 | 20:9 |
| PPI | ~ 418 PPI | ~ 416 PPI |
| Screen to Body Ratio | ~ 91.6% | ~ 92.3% |
| Glass Type | Xiaomi Dragon Crystal Glass 3 | |
| Brightness | 4000 nits (peak) | 5000 nits (peak) |
| Adaptive Refresh Rate | Yes, LTPO | Yes, LTPO |
| Display Dimming | 2160Hz PWM, 120Hz | |
| Features | 1132 nits max brightness (measured) | |
| Notch | Yes, Punch Hole | Yes, Punch Hole |
| Curved Display | Yes | |
| Dual Display | 2.9 inches, LTPO AMOLED, 596 x 976 pixels, 120Hz, Dolby Vision, HDR Vivid, HDR10+, BT.2020, 4000 nits (peak) | |
| Memory | ||
| RAM | 12 GB | 16 GB |
| RAM Type | LPDDR5X | |
| Storage | 256 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 | 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, Barometer | Accelerometer, Proximity, Gyro, Compass, Barometer |
| 3.5mm Headphone Jack | No | No |
| NFC | Yes | Yes |
| Water Resistance | Yes, 6 m upto 30 min | Yes, 6 m upto 30 min |
| IP Rating | IP68 | IP69 |
| Dust Resistant | Yes | Yes |
| Camera | ||
| Rear Camera | 200 MP ƒ/1.7 (Wide Angle) 23mm (wide), 1/1.28", 0.61µm, dual pixel PDAF, OIS 200 MP ƒ/2.4 (Periscope Telephoto) 1/1.56", PDAF (10cm - ∞), OIS, 3.2x optical zoom 50 MP ƒ/2.4 (Ultra Wide) 17mm, 102˚ (ultrawide), 1/2.88", 0.61µm, PDAF | 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 @ 120 fps FHD, 720p | 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 |
| Front Camera Features | HDR, panorama | HDR, panorama |
| Technical | ||
| OS | Android v17 | Android v17 |
| Custom UI | HyperOS 4 | Xiaomi HyperOS 4 |
| Chipset | Qualcomm Snapdragon 8 Elite Extreme Gen 6 | Qualcomm Snapdragon 8 Elite Gen 6 |
| CPU | 5 GHz, Octa Core Processor | Octa Core Processor |
| Fabrication Node | 2nm | 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 | 24-bit/192kHz Hi-Res & Hi-Res wireless audio Snapdragon sound | 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 | 8500 mAh, Si/C Li-ion Battery | 7000 mAh |
| Fast Charging | Yes, 100W Fast Charging | Yes, 100W |
| Wireless Charging | Yes, 50W | Yes, 50W |
| Reverse Charging | Yes | Yes, 22.5W |
| Reverse Wireless Charging | Yes, 27W | Yes, 10W |