Vivo X400 vs Xiaomi 17 Ultra
Here you can compare Vivo X400 and Xiaomi 17 Ultra. Comparing Vivo X400 vs Xiaomi 17 Ultra on Smartprix enables you to check their respective specs scores and unique features. It would potentially help you understand how Vivo X400 stands against Xiaomi 17 Ultra and which one should you buy The current lowest price found for Vivo X400 is ₹79,990 and for Xiaomi 17 Ultra is ₹1,39,998. The details of both of these products were last updated on Aug 08, 2026.
| Specification | Vivo X400 | Xiaomi 17 Ultra |
|---|---|---|
| Display | 6.45 inches, 1216 x 2640 pixels, 120 Hz | 6.9 inches, 1200 x 2608 pixels, 120 Hz |
| OS | Android v17 | Android v16 |
| Internal Memory | 256 GB | 512 GB |
| Battery | 7000 mAh, Li-ion Battery | 6000 mAh |
| CPU | Octa Core Processor | 4.6 GHz, Octa Core Processor |
| Price | ₹79,990 | ₹1,39,998 |
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Overview
| Specs Score | 84 / 100 | 97 / 100 Better Specs |
| Display Size | 6.45 in | 6.9 in Bigger Display |
| Display Resolution | 1216 x 2640 pixels Better Resolution | 1200 x 2608 pixels |
| Screen To Body Ratio | ~ 86.7% | ~ 92.3% Less Bezels |
| RAM | 12 GB | 16 GB More RAM |
| Storage | 256 GB | 512 GB More Storage |
| CPU Clock Speed | 4.6 GHz Faster Clock Speed | |
| Rear Camera | 200 MP + 64 MP + 50 MP Triple Better Camera Resolution | 200 MP + 50 MP + 50 MP Triple |
| Weight | 218.4 g Lighter | |
| Thickness | 8.3 mm Slimmer | |
| Battery | 7000 mAh Bigger Battery | 6000 mAh |
General
| Model | X400 | 25128PNA1G, 2512BPNDAG |
| Sim Type | Dual Sim, GSM+GSM | Dual Sim, GSM+GSM |
| Dual Sim | Yes | Yes |
| Sim Size | Nano-SIM + Nano-SIM + eSIM (max 2 at a time | nano SIM + nano SIM or nano SIM + eSIM, eSIM + eSIM SIM |
| eSIM Support | Yes | |
| Device Type | Smartphone | Smartphone |
| Release Date | October 13, 2026 (Expected) | March 11, 2026 |
| In The Box | Xiaomi 17 Ultra / USB Type-C Cable / SIM Eject Tool Protective Case / Quick Start Guide / Warranty Card |
Design
| Dimensions | 77.6 x 162.9 x 8.3 mm | |
| Weight | 218.4 g | |
| Bezel less | Yes | Yes |
| Qwerty | No | |
| Colors | Black, White, Starlit Green |
Display
| Type | Color AMOLED Screen (1B Colors) | Color Xiaomi HyperRGB OLED display Screen (68B) |
| Touch | Yes | Yes, 300 Hz Touch Sampling Rate |
| Size | 6.45 inches, 1216 x 2640 pixels, 120 Hz | 6.9 inches, 1200 x 2608 pixels, 120 Hz |
| Aspect Ratio | 20:9 | 20:9 |
| PPI | ~ 451 PPI | ~ 416 PPI |
| Screen to Body Ratio | ~ 86.7% | ~ 92.3% |
| Glass Type | Xiaomi Shield Glass 3.0 | |
| Brightness | 3500 nits Multi-scenario Peak Brightness | |
| HDR Support | Yes, HDR10+ | Yes, HDR10+, Dolby Vision |
| Color Gamut | Color gamut: DCI-P3 | |
| Features | 2160Hz PWM, HDR10+ | 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, Color depth: 12bit |
| Notch | Yes, Punch Hole | Yes, Punch Hole |
| Curved Display | Yes |
Memory
| RAM | 12 GB | 16 GB |
| RAM Type | LPDDR5X | |
| Expandable RAM | Upto 12 GB Extra Virtual RAM | |
| Storage | 256 GB | 512 GB |
| Storage Type | UFS 4.1 | UFS 4.1 |
| Card Slot | No | No |
Connectivity
| GPRS | Yes | Yes |
| EDGE | Yes | Yes |
| 3G | Yes | Yes |
| 4G | Yes | Yes |
| 5G | Yes | Yes |
| 5G Bands | 5G SA: n1/2/3/5/7/8/12/20/25/26/28/38/40/41/48/66/71 75/77/78/79, 5G NSA: n1/2/3/5/7/8/20/28/38/40/41/66/71/75/77/78/79 | |
| VoLTE | Yes, Dual Stand-By | Yes, Dual Stand-By |
| Vo5G | Yes | |
| Wifi | Yes, with wifi-hotspot | Yes, with wifi-hotspot |
| Wifi Version | Wi-Fi 7/Wi-Fi 6E/Wi-Fi 6 | |
| Bluetooth | Yes, v6.0, A2DP, LE, aptX HD | Yes, v6.0, SBC/AAC/AptX/AptX HD/AptX Adaptive LDAC/LHDC 5.0/LC3/MIHC |
| 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
| AnTuTu Score | 3,595,092 (Total) (v11) 1,037,573 (CPU) 1,321,907 (GPU) 496,037 (Memory) 739,575 (UX) | |
| Geekbench Score | 2,960 (Single Core) | |
| Camera Score | 166 (DxOMark) |
Extra
| GPS | Yes, with GPS, BeiDou, GLONASS, Galileo, QZSS, NavIC, A-GPS, Cellular Positioning, Wi-Fi Positioning | GPS: L1+L5 | Galileo: E1+E5a | GLONASS: G1 | Beidou QZSS: L1 + L5 | NavIC: L5 |
| Fingerprint Sensor | Yes, In Display | Yes, In Display |
| Face Unlock | Yes | Yes |
| Sensors | Accelerometer, Gyro, Proximity, Compass | Accelerometer, Proximity, Gyro, Compass, Barometer |
| 3.5mm Headphone Jack | No | No |
| NFC | Yes | Yes |
| Cooling System | Xiaomi 3D Dual-Channel IceLoop system | |
| AI Features | AI Writing, AI Speech Recognition, AI Interpreter, AI Search, AI Dynamic Wallpapers, AI Creativity Assistant, And more., 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 | IP66 + IP68 + IP69 |
| Dust Resistant | Yes | Yes |
| Extra Features | Xiaomi 3D Dual-Channel IceLoop system, Xiaomi Offline Communication |
Camera
| Rear Camera | 200 MP ƒ/1.7 (Wide Angle) 64 MP ƒ/2.6 (Telephoto) 50 MP ƒ/2 (Ultra Wide) | 50 MP ƒ/1.7 (Leica 23mm main camera) 23mm (wide), 1.0"-type, 1.6µm, dual pixel PDAF, OIS, Light Fusion 1050L image sensor 200 MP ƒ/2.4-3 (Leica 200MP 75-100mm telephoto) f/2.4-3.0, 75-100mm (periscope telephoto), 1/1.4", 0.56µm, multi-directional PDAF (30cm - ∞), OIS, 3.2-4.3x continuous optical zoom, zoom ring, Samsung HPE image sensor 50 MP ƒ/2.2 (Leica 14mm ultra-wide camera) 14mm, 115˚ (ultrawide), 1/2.76", 0.64µm, dual pixel PDAF, Samsung JN5 image sensor |
| Camera Sensor | Light Fusion 1050L | |
| OIS | Yes | Yes |
| Auto Focus | Yes | Yes, Laser AF |
| Features | Laser AF, Zeiss optics, Zeiss T lens Coating, Panorama, HDR, 3D LUT import | Two Leica Photographic Styles, (Leica Authentic Look, Leica Vibrant Look), Leica Filters | Leica Classic Shutter Sound | Leica Watermark, Xiaomi Profocus (Motion Tracking Focus, Eye Tracking Focus And Motion Capture), Lightning Burst, Digital Zoom Up To 120x, Xiaomi Procut, Hdr, Dynamic Shot, 50mp (Wide/ultra Wide/telephoto), 200mp Mode (Telephoto), Live Cinematography, Super Macro, Supermoon (Auto), Fastshot, Long Exposure, Panorama, Portrait Mode, Documents Mode, Pro Mode, Image Formats Captured: Jpg, Heif, Raw Mode, 8k (7680x4320) Video Recording At 30fps, 4k (3840x2160) Dolby Vision Video Recording At 30fps, 60fps, 120fps, 1080p (1920x1080) Dolby Vision Video Recording At 30fps, 60fps, 720p (1280x720) Video Recording At 30fps, Log Video Recording Up To 4k At 120fps, Academy Color Encoding System, Slow Motion Video Recording Up To 1080p At 1920fps, Shootsteady Video Recording Up To 2.8k At 60fps, Night Video Recording Up To 4k At 24fps, Time-lapse Video Recording Up To 4k At 30fps, Movie Mode, Pro Mode |
| Video Recording | 4K, 1080p | 8K @ 30 fps UHD, 1080p @ 60 fps FHD, 4K @ 60 fps UHD |
| Flash | Yes, LED | Yes, Dual LED |
| Front Camera | 50 MP ƒ/2 (Wide Angle) Punch Hole, Screen Flash | 50 MP ƒ/2.2 (Wide Angle) Ov50m Image Sensor, 1/2.87" Sensor Size, 1.22μm 4-in-1 Binning, F/2.2, 21mm Equivalent Focal Length, 90° Fov Punch Hole, Autofocus, Screen Flash |
| Front Video Recording | 4K, 1080p | 4K @ 60 fps UHD, 1080p @ 60 fps FHD |
Technical
| OS | Android v17 | Android v16 |
| Custom UI | OriginOS 7 | Xiaomi HyperOS 3 |
| Chipset | 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 840 | |
| NPU | Qualcomm AI engine | |
| Java | No | No |
| Browser | Yes | Yes |
Multimedia
| Yes | Yes | |
| Music | WAV, MP3, MP2, MIDI, Vorbis, APE, FLAC | MP3, FLAC, APE, AAC, OGG, WAV, AMR, AWB |
| Video | MP4, 3GP, AVI, Video Recording: MP4 | MP4, MKV, WEBM, 3GP, TS, Supports HDR display when playing HDR10/HDR10+, Dolby Vision, HDR Vivid video content |
| FM Radio | No | No |
| Speaker Type | Stereo | |
| Audio Features | Hi-Res & Hi-Res Audio Wireless certification, Dolby Atmos | |
| Document Reader | Yes | Yes |
Battery
| Type | Non-Removable Battery | Non-Removable Battery |
| Size | 7000 mAh, Li-ion Battery | 6000 mAh |
| Fast Charging | Yes, 100W | Yes, 90W HyperCharge |
| Wireless Charging | Yes, 50W | Yes, 50W HyperCharge |
| Reverse Charging | Yes | Yes, 22.5W |
| Reverse Wireless Charging | Yes, 10W |
Discuss
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