Xiaomi 15 Ultra vs Xiaomi Mix Fold 4

Quick Comparison

Xiaomi 15 Ultra has better RAM than Xiaomi Mix Fold 4. In terms of display resolution, Xiaomi Mix Fold 4 has better resolution of 2488 x 2224 than Xiaomi 15 Ultra which has resolution of 3200 x 1440. Xiaomi 15 Ultra has more internal memory than Xiaomi Mix Fold.

Name	Xiaomi 15 Ultra	Xiaomi Mix Fold 4
RAM	16 GB	12 GB
Display	6.73 in	7.98 in
Internal Memory	512 GB	256 GB
Battery	5410 mAh	5100 mAh
Camera	50 MP Quad	50 MP Quad
Price	Rs. 109999	Rs. 103990

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Xiaomi 16 Ultra

Detailed Comparison

Price And Launch

The launch Date of the first phone is March 11, 2025. The cost of Xiaomi 15 Ultra is Rs. 109999. The launch Date of the second phone is July 19, 2024. The Expected cost of Xiaomi Mix Fold 4 is Rs. 103990.

Display comparison

Xiaomi 15 Ultra has screen size of 6.73 inches which falls short to Xiaomi Mix Fold 4's 7.98 inch screen. Both the phones have LTPO AMOLED Screen Type. Xiaomi 15 Ultra has display density of 522 PPI & Xiaomi Mix Fold 4 has only 418 PPI display density. In terms of screen to body ratio, Xiaomi 15 Ultra has better screen to body ratio of ~ 89.7% than Xiaomi Mix Fold 4's ~ 89.4%. Xiaomi 15 Ultra has 20:9 aspect ratio where as Xiaomi Mix Fold 4 has 4:3 aspect ratio.

Memory comparison

Xiaomi 15 Ultra's larger 16 GB RAM is better for playing games and all with respect to Xiaomi Mix Fold 4's lower 12 GB RAM. Xiaomi 15 Ultra has more Internal Memory (512 GB) than Xiaomi Mix Fold 4 (256 GB).

Camera comparison

They both have the same 50 MP Quad Rear Camera. Xiaomi 15 Ultra will be better choice if you're looking to click lot of selfies as it has better 32 MP Front Camera in comparison to Xiaomi Mix Fold 4's 16 MP + 16 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.

Related Comparisons

Google Pixel 9 Pro Fold

Xiaomi Mix Fold 4

Full Comparison

Name	Xiaomi 15 Ultra	Xiaomi Mix Fold 4
General
Model	Mi 15 Ultra	Mi Mix Fold 4
Sim Type	Dual Sim, GSM+GSM	Dual Sim, GSM+GSM
Dual Sim	Yes	Yes
Sim Size	Nano+Nano SIM	Nano+Nano SIM
Device Type	Smartphone	Smartphone
Release Date	March 11, 2025	July 19, 2024
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	159.4 x 143.3 x 4.6 mm
Weight	229 g	226 g
Bezel less		No
Colors	Silver Chrome	Black, White, Blue
Display
Type	Color LTPO AMOLED Screen (68 B)	Color LTPO AMOLED Screen (1B Colors)
Touch	Yes, 300 Hz Touch Sampling Rate	Yes, 380 Hz Touch Sampling Rate
Size	6.73 inches, 1440 x 3200 pixels, 120 Hz	7.98 inches, 2224 x 2488 pixels, 120 Hz
Aspect Ratio	20:9	4:3
PPI	~ 522 PPI	~ 418 PPI
Screen to Body Ratio	~ 89.7%	~ 89.4%
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+, Dolby Vision, 1700 nits (HBM), 3000 nits (peak)
Notch	Yes, Punch Hole	Yes, Punch Hole
Foldable Display		Yes
Dual Display		Yes, LTPO AMOLED, 6.7 inches, 1080 x 2520 pixels, 68B colors, 120Hz, HDR10+, Dolby Vision, 1700 nits (HBM), 3000 nits (peak)
Memory
RAM	16 GB	12 GB
Storage	512 GB	256 GB
Storage Type	UFS 4.1	UFS 4
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
VoLTE	Yes, Dual Stand-By	Yes, Dual Stand-By
Vo5G	Yes	Yes
Wifi	Yes, with wifi-hotspot	Yes, with wifi-hotspot
Wifi Version	WiFi 6 support
Bluetooth	Yes, v6.0, A2DP, LE, aptX HD	Yes, v5.4, A2DP, LE
USB	Yes, USB-C v3.2	Yes, USB-C v3.2
USB Features	USB Tethering, USB on-the-go, USB Charging	USB on-the-go, USB Charging
IR Blaster	Yes	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 tri-band A-GPS, GLONASS, BDS, GALILEO, QZSS, NavIC
Fingerprint Sensor	Yes, In Display	Yes, Side
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	Accelerometer, Gyro, Proximity, Compass, Color Spectrum, Barometer
3.5mm Headphone Jack	No	No
NFC	Yes	Yes
Water Resistance	Yes, 1.5 m upto 30 min	Yes, 1.5 m upto 30 min
IP Rating	IP68	IPX8
Dust Resistant	Yes
Extra Features	LPDDR5X RAM, Xiaomi 3D Dual-Channel IceLoop system, Stereo Speakers, 4-Mic Array	Dimensions Folded: 159.4 x 73.1 x 9.5 mm
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/1.7 (Wide Angle) 23mm, 1/1.49", 1.0µm, Laser AF, PDAF, OIS 50 MP ƒ/2 (Telephoto) 47mm, PDAF (9cm - ∞), OIS, 2x optical zoom 10 MP ƒ/2.9 (Telephoto) 115mm, PDAF (30cm - ∞), OIS, 5x optical zoom 12 MP ƒ/2.2 (Ultra Wide) 15mm, 120˚
Camera Sensor	LYT-900
OIS	Yes
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	HDR, Panorama, Leica lenses
Video Recording	8K @ 30 fps UHD, 1080p @ 30/60 fps FHD, 4K @ 120/30/60 fps UHD	4K @ 24 fps UHD, 1080p @ 30 fps FHD, 720p @ 1920 fps HD
Flash	Yes, LED	Yes, LED
Front Camera	32 MP ƒ/2 (Wide Angle) 21mm, 90° FOV Punch Hole, Autofocus, Screen Flash	16 MP (Wide Angle) 16 MP (Wide Angle) 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	HyperOS
Chipset	Qualcomm Snapdragon 8 Elite	Qualcomm Snapdragon 8 Gen3
CPU	4.32 GHz, Octa Core Processor	3.3 GHz, Octa Core Processor
Core Details	2x Prime Core@4.32 GHz & 6x Performance Core@3.53 GHz & Qualcomm AI engine	1xCortex-X4@3.3 GHz & 5xCortex-A720@3.2 GHz & 2x Cortex-A520@2.3 GHz
GPU	Adreno 830	Adreno 750
Java	No	No
Browser	Yes	Yes
Multimedia
Email	Yes	Yes
Music	MP3, FLAC, APE, AAC, OGG, WAV, WMA, AMR, AWB	Yes
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	5100 mAh, Si/C
Fast Charging	Yes, 90W HyperCharge	Yes, 67W Fast Charging
Wireless Charging	Yes, 80W HyperCharge	Yes, 50W
Reverse Charging	Yes
Reverse Wireless Charging	Yes