Xiaomi 15 Ultra vs Vivo X Fold 4
Quick Comparison
Xiaomi 15 Ultra has better RAM than Vivo X Fold 4. In terms of display resolution, Xiaomi 15 Ultra has better resolution of 3200 x 1440 than Vivo X Fold 4 which has resolution of 2160 x 1916. Xiaomi 15 Ultra has more internal memory than Vivo X Fold.
| Name | Xiaomi 15 Ultra | Vivo X Fold 4 |
| RAM | 16 GB | 12 GB |
|---|---|---|
| Display | 6.73 in | 8.2 in |
| Internal Memory | 512 GB | 256 GB |
| Battery | 5410 mAh | 6000 mAh |
| Camera | 50 MP Quad | 50 MP + 50 MP + 50 MP Triple |
| Price | Rs. 109999 | Rs. 139990 |
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Detailed Comparison
Price And Launch
The launch Date of the first phone is March 11, 2025. The Expected cost of Xiaomi 15 Ultra is Rs. 109999. The launch Date of the second phone is expected to be April 20, 2025 (Expected). The Expected cost of Vivo X Fold 4 is Rs. 139990.
Display comparison
Vivo X Fold 4 has larger screen size of 8.2 inches in comparison to Xiaomi 15 Ultra's 6.73 inch screen. There is LTPO AMOLED Screen Type in both the phones. Xiaomi's phone has display density of 522 PPI & Vivo's phone has only 360 PPI display density. In terms of screen to body ratio, Xiaomi's phone has better screen to body ratio of ~ 89.7% than Vivo's phone ~ 89.3%. Xiaomi 15 Ultra has 20:9 aspect ratio where as Vivo X Fold 4 has 4:3.55 aspect ratio.
Memory comparison
Xiaomi 15 Ultra's larger 16 GB RAM is better for playing games and all with respect to Vivo X Fold 4's lower 12 GB RAM. Xiaomi 15 Ultra has more Internal Memory (512 GB) than Vivo X Fold 4 (256 GB).
Camera comparison
Xiaomi 15 Ultra has 50 MP Quad Rear Camera in comparison to Vivo X Fold 4's 50 MP + 50 MP + 50 MP Triple Rear Camera.Xiaomi 15 Ultra has 32 MP Front Camera in comparison to Vivo X Fold 4's 32 MP + 32 MP Dual Front Camera.
Technical comparison
Both the phones has Android Operating System but the first one runs on version 15 and the second one on 14 version.
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Full Comparison
| Name | Xiaomi 15 Ultra | Vivo X Fold 4 |
| General | ||
| Model | Mi 15 Ultra | X Fold 4 |
| Sim Type | Dual Sim, GSM+GSM | Dual Sim, GSM+GSM |
| Dual Sim | Yes | Yes |
| Sim Size | Nano+Nano SIM | Nano SIM |
| Device Type | Smartphone | Smartphone |
| Release Date | March 11, 2025 | April 20, 2025 (Expected) |
| In The Box | Mobile Phone, Adapter, USB Type-C Cable, SIM Eject Tool, Protective Case, Safety Information, Quick Start Guide and Warranty Card, Desiccant | |
| Design | ||
| Dimensions | 75.3 x 161.3 x 9.48 mm | |
| Weight | 229 g | |
| Colors | Silver Chrome | Black, Blue, Red |
| Display | ||
| Type | Color LTPO AMOLED Screen (68 B) | Color LTPO AMOLED Screen (1B Colors) |
| Touch | Yes, 300 Hz Touch Sampling Rate | Yes, 240 Hz Touch Sampling Rate |
| Size | 6.73 inches, 1440 x 3200 pixels, 120 Hz | 8.2 inches, 1916 x 2160 pixels, 144 Hz |
| Aspect Ratio | 20:9 | 4:3.55 |
| PPI | ~ 522 PPI | ~ 360 PPI |
| Screen to Body Ratio | ~ 89.7% | ~ 89.3% |
| Glass Type | Xiaomi Shield Glass 2.0 | |
| Features | Dolby Vision, HDR10+, 3200 nits (peak), 1920Hz PWM dimming / 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 | HDR10+, 1800 nits (peak) |
| Notch | Yes, Punch Hole | Punch Hole |
| Foldable Display | Yes | |
| Dual Display | Yes, 6.67 inches, 1080 x 2520 pixels, AMOLED, Screen To Body Ratio 88.75%, Aspect Ratio 21:9, 120Hz, 1600 nits (peak) | |
| Memory | ||
| RAM | 16 GB | 12 GB |
| Storage | 512 GB | 256 GB |
| Storage Type | UFS 4.1 | UFS 4.0 |
| Card Slot | No | No |
| Connectivity | ||
| GPRS | Yes | Yes |
| EDGE | Yes | Yes |
| 3G | Yes | Yes |
| 4G | Yes | Yes |
| 5G | Yes | Yes |
| 5G Bands | SA:n1/2/3/5/7/8/12/20/25/26/28A/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 | 1, 2, 3, 5, 7, 8, 12, 20, 28, 38, 40, 41, 66, 77, 78 SA/NSA |
| VoLTE | Yes, Dual Stand-By | Yes, Dual Stand-By |
| Vo5G | Yes | |
| Wifi | Yes, with wifi-hotspot | Yes, with wifi-hotspot |
| Wifi Version | WiFi 6 support | Wi-Fi 6; Wi-Fi 7; 2.4G&5G |
| Bluetooth | Yes, v6.0, A2DP, LE, aptX HD | Yes, v5.3, A2DP, LE, aptX HD |
| USB | Yes, USB-C v3.2 | Yes, USB-C v2.0 |
| USB Features | USB Tethering, USB on-the-go, USB Charging | USB on-the-go, USB Charging |
| IR Blaster | Yes | |
| Extra | ||
| GPS | 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 | Yes, with A-GPS, GLONASS, BDS, GALILEO, QZSS, NavIC |
| Fingerprint Sensor | Yes, In Display | Yes, In Display |
| Face Unlock | Yes | Yes |
| Sensors | Proximity Sensor, Ambient Light Sensor, Accelerometer, Gyroscope, Electronic Compass, IR Blaster, Laser Autofocus, Barometer, Flicker Sensor, X-Axis Linear Vibration Motor | Dual screen fingerprint (under display, ultrasonic) accelerometer, gyro, proximity, compass, barometer |
| 3.5mm Headphone Jack | No | No |
| NFC | Yes | Yes |
| Water Resistance | Yes, 1.5 m upto 30 min | |
| IP Rating | IP68 | |
| Dust Resistant | Yes | |
| Extra Features | LPDDR5X RAM, Xiaomi 3D Dual-Channel IceLoop system, Stereo Speakers, 4-Mic Array | |
| Camera | ||
| Rear Camera | 50 MP ƒ/1.6 (Wide Angle) 23mm (wide), 1.0"-type, 1.6µm, multi-directional PDAF, OIS 50 MP ƒ/1.8 (Telephoto) 70mm (telephoto), 1/2.51", 0.7µm, dual pixel PDAF (10cm - ∞), OIS, 3x optical zoom 200 MP ƒ/2.6 (ultra telephoto) 100mm (periscope telephoto), 1/1.4", 0.56µm, multi-directional PDAF, OIS, 4.3x optical zoom 50 MP ƒ/2.2 (Ultra Wide) 14mm, 115˚ (ultrawide), 1/2.76", 0.64µm, dual pixel PDAF | 50 MP ƒ/1.8 (Wide Angle) 50 MP ƒ/2 (Telephoto) 50 MP ƒ/2 (Ultra Wide) 14mm, 114˚ |
| Camera Sensor | LYT-900 | Sony IMX866 |
| Auto Focus | Yes | Yes |
| Features | Leica Summilux Optical Lens, Laser AF, Color Spectrum Sensor, Leica Lenses, 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, HDR, Dynamic Shot, Portrait Mode, Master-Lens System (23mm-135mm), 50MP Mode (Wide/Ultra Wide/Telephoto), 200MP Mode (Periscope), Super Macro, Panorama, Long Exposure, Documents, Fastshot Mode, Supermoon, Pro Mode, Image Formats Captured: DNG, HEIF, JPEG, RAW Mode, UltraRAW: 16-Bit, Rear Camera Video Features, Movie Mode, ShootSteady, Slow Motion, Dual Video, Time-Lapse, Ultra Night Video, Video Pro Mode, Video Log Format | Sports, night scene, portrait, photo, video, micro movie, 50 million, panorama, ultra-clear document, slow motion, time-lapse Photography, time slow door, super moon, starry sky, Zeiss landscape and architecture, professional, gourmet, Jovi scan, dual-view video, dynamic photo, super group photo MP4 |
| Video Recording | 8K @ 30 fps UHD, 1080p @ 30/60 fps FHD, 4K @ 120/30/60 fps UHD | K @ 30 fps, 1080p @ 30 fps FHD |
| Flash | Yes, LED | Yes, Dual LED |
| Front Camera | 32 MP ƒ/2 (Wide Angle) 21mm, 90° FOV Punch Hole, Autofocus, Screen Flash | 32 MP ƒ/2.5 (Wide Angle) 32 MP ƒ/2.5 Cover camera Punch Hole |
| Front Video Recording | 4K @ 30/60 fps UHD, 1080p @ 30/60 fps FHD | 1080p @ 30 fps FHD |
| Technical | ||
| OS | Android v15 | Android v14 |
| Custom UI | Xiaomi HyperOS 2 | OriginOS 4 |
| Chipset | Qualcomm Snapdragon 8 Elite | Qualcomm Snapdragon 8 Elite |
| CPU | 4.32 GHz, Octa Core Processor | 4.32 GHz, Octa Core Processor |
| Core Details | 2x Prime Core@4.32 GHz & 6x Performance Core@3.53 GHz & Qualcomm AI engine | 2x Prime Core@4.32 GHz & 6x Performance Core@3.53 GHz |
| GPU | Adreno 830 | Adreno GPU |
| Java | No | No |
| Browser | Yes | Yes |
| Multimedia | ||
| Yes | Yes | |
| Music | MP3, FLAC, APE, AAC, OGG, WAV, WMA, AMR, AWB | AAC, MIDI, OGG, FLAC, WMA, WAV, APE, MP3 |
| Video | MP4, MKV, WEBM, 3GP, TS, HDR10+, Supports HDR Display When Playing HDR10+, Dolby Vision®, HDR Vivid Video Content | Yes |
| FM Radio | No | No |
| Document Reader | Yes | Yes |
| Battery | ||
| Type | Non-Removable Battery | Non-Removable Battery |
| Size | 5410 mAh, Xiaomi Surge Battery | 6000 mAh, Li-Po Battery |
| Fast Charging | Yes, 90W HyperCharge | Yes, 80W Fast Charging |
| Wireless Charging | Yes, 80W HyperCharge | Yes, 50W |
| Reverse Charging | Yes | Yes, 10W |
| Reverse Wireless Charging | Yes | |