Xiaomi 18 vs Xiaomi 17 Ultra
Here you can compare Xiaomi 18 and Xiaomi 17 Ultra. Comparing Xiaomi 18 vs Xiaomi 17 Ultra on Smartprix enables you to check their respective specs scores and unique features. It would potentially help you understand how Xiaomi 18 stands against Xiaomi 17 Ultra and which one should you buy The current lowest price found for Xiaomi 18 is $898 and for Xiaomi 17 Ultra is $1,216.83. The details of both of these products were last updated on Oct 14, 2026.
| Specification | Xiaomi 18 | Xiaomi 17 Ultra |
|---|---|---|
| Internal Memory | 512 GB | 512 GB |
| CPU | Octa Core Processor | 4.6 GHz, Octa Core Processor |
| Display | 6.4 inches, 1220 x 2656 pixels, 144 Hz | 6.9 inches, 1200 x 2608 pixels, 120 Hz |
| OS | Android v17 | Android v16 |
| Battery | 7200 mAh, Si/C Li-Ion | 6800 mAh |
| Price | $898 | $1,216.83 |
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Overview
| Specs Score | 66 / 100 | 70 / 100 Better Specs |
| Display Size | 6.4 in | 6.9 in Bigger Display |
| Display Resolution | 1220 x 2656 pixels Better Resolution | 1200 x 2608 pixels |
| RAM | 12 GB | 16 GB More RAM |
| CPU Clock Speed | 4.6 GHz Faster Clock Speed | |
| Weight | 230 g Lighter | |
| Thickness | 8.5 mm Slimmer | |
| Battery | 7200 mAh Bigger Battery | 6800 mAh |
General
| Model | 18 | 25128PNA1C |
| Sim Type | Dual Sim, GSM+GSM | Dual Sim, GSM+GSM |
| Dual Sim | Yes | Yes |
| Sim Size | eSIM+Nano SIM | eSIM+Nano SIM |
| eSIM Support | Yes | Yes |
| Device Type | Smartphone | Smartphone |
| Release Date | March 11, 2027 (Expected) | December 25, 2025 |
Design
| Dimensions | 77.6 x 162.9 x 8.5 mm | |
| Weight | 230 g | |
| Bezel less | Yes | |
| Qwerty | No | |
| Colors | Black, White, Starry Green, Purple |
Display
| Type | Color LTPO AMOLED Screen (68B) | Color LTPO AMOLED Screen (68B) |
| Touch | Yes | Yes, 300 Hz Touch Sampling Rate |
| Size | 6.4 inches, 1220 x 2656 pixels, 144 Hz | 6.9 inches, 1200 x 2608 pixels, 120 Hz |
| Aspect Ratio | 19.6:9 | 20:9 |
| PPI | ~ 460 PPI | ~ 416 PPI |
| Screen to Body Ratio | ~ 89.5% | ~ 92.3% |
| Glass Type | Xiaomi Dragon Crystal Glass | Xiaomi Shield Glass 2.0 |
| Brightness | 5500 Nits Multi-scenario Peak Brightness | 5000 nits (peak) |
| HDR Support | Yes, HDR10+, Dolby Vision | |
| Adaptive Refresh Rate | Yes, LTPO | Yes, LTPO |
| Features | Color Gamut:dci-p3, Color Depth: 12bit, Eye-care Dc Dimming, Original Color Pro | Pro HDR | Wet Touch Technology, Hdr10+, Dolby Vision, Tüv Rheinland Low Blue Light (Hardware Solution) Certified, Tüv Rheinland Flicker Free Certified, Tüv Rheinland Circadian Friendly Certified | |
| Notch | Yes, Punch Hole | Yes, Punch Hole |
| Curved Display | Yes |
Memory
| RAM | 12 GB | 16 GB |
| RAM Type | LPDDR5X | LPDDR5X |
| Storage | 512 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 | 5G:n1/2/3/5/7/8/12/20/25/26/28/38/40/41/48/66/71/75/77/78 | SA:n1/2/3/5/7/8/12/20/25/26/28A/28B/38/40/41/48/66/75/77/78/79/71, NSA: n1/3/5/7/8/20/28/38/40/41/66/75/77/78/79/71 |
| 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 | Yes, v5.4, A2DP, LE, aptX HD |
| USB | Yes, USB-C v3.2 | Yes, USB-C v3.2 |
| USB Features | 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 | Yes, with dual-band A-GPS, GLONASS, GALILEO, QZSS, NavIC, BDS (tri-band) | GPS: L1+L5, Galileo: E1+E5a, GLONASS: G1, Beidou, QZSS: L1 + L5, NavIC: L5, A-GPS Supplementary Positioning, Electronic Compass, Wireless Network, Data Network, SAP |
| Fingerprint Sensor | Yes, In Display | Yes, In Display |
| Face Unlock | Yes | Yes |
| Sensors | Proximity Sensor | Ambient Light Sensor | Accelerometer | Gyroscope | Electronic Compass | X-axis Linear Vibration Motor | Ir Blaster | Flicker Sensor | Laser Focus Sensor | Barometer | Hall Sensor | Accelerometer, Proximity, Gyro, Compass, Barometer |
| 3.5mm Headphone Jack | No | No |
| NFC | Yes | Yes |
| AI Features | Al Speech Recognition, Al Interpreter, Al Search, Al Dynamic Wallpapers, Al Creativity Assistant,, Circle to Search with Google, Google Gemini | |
| Water Resistance | Yes, 1.5 m upto 30 min | Yes, 6 m upto 30 min |
| IP Rating | IP69+ IP68 | IP68 |
| Dust Resistant | Yes | Yes |
Camera
| Rear Camera | 50 MP (Wide Angle) 200 MP (Telephoto) 50 MP (Ultra Wide) | 50 MP ƒ/1.7 (Wide Angle) 23mm (wide), 1.0"-type, 1.6µm, dual pixel PDAF, OIS 200 MP ƒ/2.4-3 (Telephoto) 75-100mm (periscope telephoto), 1/1.4", 0.56µm, multi-directional PDAF (30cm - ∞), OIS, 3.2-4.3x continuous optical zoom, zoom ring 50 MP ƒ/2.2 (Ultra Wide) 14mm, 115˚ (ultrawide), 1/2.76", 0.64µm, dual pixel PDAF |
| Camera Sensor | LYT-900 | |
| OIS | Yes | Yes |
| Auto Focus | Yes | Yes, Laser AF |
| Features | Laser AF, color spectrum sensor, Leica lenses, HDR, panorama, 67mm filter ring holder (optional) | |
| Video Recording | 8K @ 30 fps UHD, 4K @ 60 fps UHD, 1080p @ 60 fps FHD | 8K @ 30 fps UHD, 1080p @ 60 fps FHD, 4K @ 60 fps UHD |
| Flash | Yes, Dual LED | Yes, Dual LED |
| Front Camera | 50 MP ƒ/2.2 (Wide Angle) Punch Hole | 50 MP (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 |
Technical
| OS | Android v17 | Android v16 |
| Custom UI | Xiaomi HyperOS 4 | Xiaomi HyperOS 3 |
| Chipset | Qualcomm Snapdragon 8 Elite Gen 6 | Qualcomm Snapdragon 8 Elite Gen 5 |
| CPU | Octa Core Processor | 4.6 GHz, Octa Core Processor |
| Core Details | 2x4.6 GHz Oryon V3 Phoenix L + 6x3.62 GHz Oryon V3 Phoenix M | |
| Fabrication Node | 3 nm | |
| GPU | Adreno | Adreno 840 |
| NPU | Qualcomm Hexagon NPU | |
| Java | No | No |
| Browser | Yes | Yes |
Multimedia
| Yes | Yes | |
| Music | Yes | MP3, FLAC, APE, AAC, OGG, WAV, WMA, AMR, AWB |
| Video | MP4, MKV, WEBM, 3GP | 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 | 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 | 7200 mAh, Si/C Li-Ion | 6800 mAh |
| Fast Charging | Yes, 120W HyperCharge | Yes, 90W |
| Wireless Charging | Yes, 50W HyperCharge | Yes, 50W |
| Reverse Charging | Yes, 10W | Yes, 22.5W |
| Reverse Wireless Charging | Yes, 22.5W | Yes, 10W |
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