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Xiaomi Xiaomi Mix Fold 4

2.8

Price TBA

View Details

★ Our Pick

Samsung Samsung Galaxy S25 Ultra

256GB · 12GB RAM

4.1

From $1,299

View Details

Our Verdict

Analysis

Xiaomi Mix Fold 4 has the bigger display.

Overall Winner

Xiaomi Mix Fold 4

Display Winner

Xiaomi Mix Fold 4

Performance Winner

Tie

Camera Winner

Tie

Battery Winner

Tie

Value Winner

Tie

Specifications Comparison

Feature	Xiaomi Mix Fold 4	Samsung Galaxy S25 Ultra
Display size (in)	7.98	6.90
Charging (W)	67	45
Main camera (MP)	50.00	200.00
Selfie (MP)	16.00	12.00
Weight (g)	226	218
Thickness (mm)	4.60	8.20
Chipset	Qualcomm SM8650-AB Snapdragon 8 Gen 3 (4 nm)	Snapdragon 8 Elite
OS	Android 14, HyperOS	Android 15

Pros & Cons

Xiaomi Mix Fold 4

Samsung Galaxy S25 Ultra

Brilliant display
Versatile camera system
Long update commitment
Productivity features
Premium pricing
Bulky design
Slow charging vs Chinese rivals

Every Spec, Side by Side

Specification

Xiaomi

Xiaomi Mix Fold 4

Samsung

Samsung Galaxy S25 Ultra

Battery 3 specs

Type

5100 mAh

Li-Ion 5000 mAh

Charging

67W wired, PD3.0, QC4, 31% in 10 min 50W wireless, 24% in 10 min

45W wired

Capacity

—

5000 mAh

Body 5 specs

Dimensions

Unfolded: 159.4 x 143.3 x 4.6 mm Folded: 159.4 x 73.1 x 9.5 mm

162.8 x 77.6 x 8.2 mm

Weight

226 g or 228 g (7.97 oz)

218 g

Build

Glass front (folded), plastic front (unfolded), aluminum frame

Glass front (Corning Gorilla Armor 2), glass back (Gorilla Glass Victus 2), titanium frame (grade 5)

SIM

Nano-SIM + Nano-SIM

· Nano-SIM + Nano-SIM + eSIM + eSIM (max 2 at a time) - INT· Nano-SIM + eSIM + eSIM (max 2 at a time) - USA· Nano-SIM + Nano-SIM - CN

IPX8 water resistant (immersible up to 1.5m for 30 min)

IP68 dust tight and water resistant (immersible up to 1.5m for 30 min) Stylus

Connectivity 8 specs

WLAN

Wi-Fi 802.11 a/b/g/n/ac/6e/7, dual-band (tri-band after future SW update), Wi-Fi Direct

Wi-Fi 802.11 a/b/g/n/ac/6e/7, tri-band, Wi-Fi Direct

Bluetooth

5.4, A2DP, LE, aptX HD, aptX Adaptive, LHDC

5.4, A2DP, LE

Positioning

GPS (L1+L5), BDS (B1I+B1c+B2a), GALILEO (E1+E5a), QZSS (L1+L5), NavIC (L5), GLONASS

GPS, GLONASS, BDS, GALILEO, QZSS

NFC

Yes

Infrared port

Yes

—

Radio

USB

USB Type-C 3.2, OTG

USB Type-C 3.2, DisplayPort 1.2, OTG

—

Yes

Display 5 specs

Type

Foldable LTPO AMOLED, 1B colors, 120Hz, HDR10+, Dolby Vision, 1700 nits (HBM), 3000 nits (peak)

Dynamic AMOLED 2X

Size

7.98 inches, 204.1 cm2 (~89.4% screen-to-body ratio)

6.9 inches

Resolution

2224 x 2488 pixels (~418 ppi density)

1440 x 3120 pixels

Cover display: LTPO AMOLED, 68B colors, 120Hz, HDR10+, Dolby Vision, 1700 nits (HBM), 3000 nits (peak) 6.56 inches, 1080 x 2520 pixels, 21:9 ratio Scratch/drop-resistant glass

DX anti-reflective coating

Protection

—

Corning Gorilla Armor 2, Mohs level 6

Features 2 specs

Sensors

Fingerprint (side-mounted), accelerometer, gyro, proximity, compass, barometer

Fingerprint (under display, ultrasonic), accelerometer, gyro, proximity, compass, barometer

Two-way satellite communication (calls, messages)

Samsung DeX, Samsung Wireless DeX (desktop experience support) Ultra Wideband (UWB) support

Launch 2 specs

Announced

2024, July 19

2025, January 22

Status

Available. Released 2024, July 19

Available. Released 2025, February 03

Main Camera 3 specs

Quad

50 MP, f/1.7, 23mm (wide), 1/1.49", 1.0µm, PDAF, OIS 50 MP, f/2.0, 47mm (telephoto), PDAF (9cm - ∞), OIS, 2x optical zoom 10 MP, f/2.9, 115mm (periscope telephoto), PDAF (30cm - ∞), OIS, 5x optical zoom 12 MP, f/2.2, 15mm, 120˚ (ultrawide)

200 MP + 50 MP + 50 MP + 10 MP

Features

Laser AF, color spectrum sensor, LED flash, HDR, panorama, Leica lenses

Laser AF, Best Face, LED flash, auto-HDR, panorama

Video

8K@24fps, 4K@24/30/60fps, 1080p@30/60/120/240/960fps, 720p@1920fps, Dolby Vision HDR

8K@24/30fps, 4K@30/60/120fps, 1080p@30/60/120/240fps, 10-bit HDR, HDR10+, stereo sound rec., gyro-EIS

Memory 5 specs

Card slot

Internal

256GB 12GB RAM, 512GB 16GB RAM, 1TB 16GB RAM

256GB 12GB RAM, 512GB 12GB RAM, 1TB 12GB RAM, 1TB 16GB RAM

UFS 4.0

RAM

—

12GB

Storage

—

256GB

Misc 5 specs

Colors

Black, White, Blue

Titanium Silver Blue, Titanium Black, Titanium White Silver, Titanium Gray, Titanium Jade Green, Titanium Jet Black, Titanium Pink Gold

Price

About 1140 EUR

$ 806.08 / C$ 1,149.00 / £ 689.99 / € 840.00 / ₹ 99,990

Models

—

SM-S938B, SM-S938B/DS, SM-S938U, SM-S938U1, SM-S938W, SM-S938N, SM-S9380, SM-S938E, SM-S938E/DS

SAR

—

1.26 W/kg (head) 0.64 W/kg (body)

SAR EU

—

1.25 W/kg (head) 1.42 W/kg (body)

Network 7 specs

Technology

GSM / CDMA / HSPA / EVDO / LTE / 5G

2G bands

GSM 850 / 900 / 1800 / 1900

CDMA2000 1xEV-DO

1, 2, 5, 7, 25, 28, 41, 66, 71, 77, 78, 257, 258, 260, 261 SA/NSA/Sub6/mmWave - USA unlocked

3G bands

HSDPA 800 / 850 / 900 / 1700(AWS) / 1900 / 2100

HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100

4G bands

1, 2, 3, 4, 5, 7, 8, 12, 17, 18, 19, 20, 26, 28, 34, 38, 39, 40, 41, 42, 48, 66

1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 18, 19, 20, 25, 26, 28, 32, 38, 39, 40, 41, 66 - International

5G bands

1, 2, 3, 5, 7, 8, 12, 20, 26, 28, 38, 40, 41, 48, 66, 77, 78, 79 SA/NSA

1, 2, 3, 5, 7, 8, 12, 20, 25, 26, 28, 38, 40, 41, 66, 75, 77, 78 SA/NSA/Sub6 - International

Speed

HSPA, LTE, 5G

HSPA, LTE (CA), 5G

Platform 4 specs

Android 14, HyperOS

Android 15

Chipset

Qualcomm SM8650-AB Snapdragon 8 Gen 3 (4 nm)

Snapdragon 8 Elite

CPU

Octa-core (1x3.3 GHz Cortex-X4 & 3x3.2 GHz Cortex-A720 & 2x3.0 GHz Cortex-A720 & 2x2.3 GHz Cortex-A520)

Octa-core (2x4.47 GHz Oryon V2 Phoenix L + 6x3.53 GHz Oryon V2 Phoenix M)

GPU

Adreno 750

Adreno 830 (1200 MHz)

Selfie Camera 3 specs

Single

16 MP, (wide) Cover camera: 16 MP, (wide)

12 MP

Features

Dolby Vision HDR

HDR, HDR10+

Video

1080p@30/60fps

4K@30/60fps, 1080p@30fps

Sound 3 specs

Loudspeaker

Yes, with stereo speakers

3.5mm jack

24-bit/192kHz Hi-Res & Hi-Res Wireless audio Snapdragon Sound

High-bitrate audio support

Eu Label 4 specs

Energy

—

Class B

Battery

—

44:54h endurance, 2000 cycles

Free fall

—

Class A (270 falls)

Repairability

—

Class C

Our Tests 4 specs

Performance

—

AnTuTu: 2207809 (v10) GeekBench: 9846 (v6) 3DMark: 6687 (Wild Life Extreme)

Display

—

1417 nits max brightness (measured)

Loudspeaker

—

-24.6 LUFS (Very good)

Battery

—

Active use score 14:49h

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Common Questions

Which phone is the best in this comparison?

Xiaomi Mix Fold 4 has the bigger display.

How are the comparison winners decided?

We compare measurable specs (display size, battery capacity, RAM, charging, weight) and price (USD). When two phones tie or data is missing we mark the category "Depends".

Which is more affordable?

The cheaper option is shown as the value winner above. Prices are USD and may vary by region or retailer.

Compare Phones.

Our Verdict

Specifications Comparison

Pros & Cons

Xiaomi Mix Fold 4

Samsung Galaxy S25 Ultra

Every Spec, Side by Side

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