Home > Smartphone comparison > Mix Fold 4 vs iPhone Duo – which one to choose?

Xiaomi Mix Fold 4 vs Apple iPhone Duo

76 out of 100
Xiaomi Mix Fold 4
VS
93 out of 100
Apple iPhone Duo
Xiaomi Mix Fold 4
Apple iPhone Duo

Here we compared two flagship smartphones: the 7.98-inch Xiaomi Mix Fold 4 (with Qualcomm Snapdragon 8 Gen 3) that was released on July 19, 2024, against the Apple iPhone Duo, which is powered by Apple A20 Pro and came out 2 years and 2 months after. On this page, you will find tests, full specs, strengths, and weaknesses of each of the devices.

Select the amount of RAM to evaluate performance and value for money more precisely
Memory
  1. Differences
  2. Review
  3. Specs
  4. Benchmarks
  5. Battery life
  6. Camera
  7. Comments

Key differences

An overview of the main advantages of each smartphone
Reasons to consider the Xiaomi Mix Fold 4
  • The rear camera has a 5x optical zoom
  • Has a 0.38 inch larger screen size
  • Slow-motion recording at 1920FPS
  • Better grip in hands – the body is 21.3 mm narrower
  • CPU with a higher amount of cores (+2)
  • Weighs 26 grams less
  • Has a built-in infrared port
Reasons to consider the Apple iPhone Duo
  • Waterproof body (IP68 classification)
  • 54% better performance in AnTuTu Benchmark (3061K versus 1991K)
  • Newer Bluetooth version (v6.0)
  • The phone is 2 years and 2 months newer
  • More energy-efficient CPU – Apple A20 Pro
  • 2.2x faster in single-core GeekBench 6 test: 4731 and 2129 points
  • The front-facing camera can record video at 4K
  • Ready for eSIM technology

Review

Evaluation of Xiaomi Mix Fold 4 and Apple iPhone Duo crucial features
Display
Screen quality, color accuracy, brightness
Camera
Photo and video recording quality
Performance
CPU and memory performance (apps, system)
Gaming
Capabilities for playing modern games
Battery
Battery life, charging type and speed
Connectivity
Networks, ports, data transmission
Scores with a red asterisk (*) are approximate and may change in the future as we gather more data.
NanoReview Score
Final comparison evaluation
Select your primary usage scenario to get a more accurate NanoReview Score
📱 Primary usage:

Value for money (Beta)

Should I update?
No 88% Yes
Yes, this is a clear and meaningful upgrade.
Updating from Xiaomi Mix Fold 4 to Apple iPhone Duo is a clear step forward, and the improvements should be easy to notice.
Main improvements: gaming, performance, and battery life.

Tests and specifications

Comparison table of technical specifications and tests
Phone:
Mix Fold 4
vs
iPhone Duo

Display

Type AMOLED OLED
Size 7.98 inches 7.6 inches
Resolution 2224 x 2488 pixels 1878 x 2670 pixels
Aspect ratio 10.15:9 1.4:1
PPI 418 ppi 430 ppi
Refresh rate 120 Hz 120 Hz
Adaptive refresh rate Yes Yes (1-120 Hz)
Max rated brightness 3000 nits 3000 nits
Max rated brightness in HDR - 1600 nits
HDR support Yes, Dolby Vision Yes, Dolby Vision
Touch sampling rate 240 Hz -
Screen protection Tempered glass Ceramic Shield 2
Screen-to-body ratio 89.3% 90.9%
Display features - DCI-P3
- Always-On Display
- DC Dimming		 - DCI-P3
- Always-On Display
Display tests
RGB color space 99.9% -
PWM 120 Hz -
Response time 7 ms -
Contrast ∞ Infinity -
Screen space comparison
Mix Fold 4
7.98″ (10.15:9 ratio) = 31.6 in2
iPhone Duo
7.6″ (1.4:1 ratio) = 27.3 in2
~15% more screen space
Peak brightness test (auto)
Mix Fold 4
1124 nits
iPhone Duo
n/a
Sources: NotebookCheck [3]

Design and build

Height 159.37 mm (6.27 inches) 117.8 mm (4.64 inches)
Width 143.3 mm (5.64 inches) 164.6 mm (6.48 inches)
Thickness 4.59 mm (0.18 inches) 5.2 mm (0.2 inches)
Weight 228 g (8.04 oz) 254 g (8.96 oz)
Waterproof IPX8 IP68
Advanced cooling Vapor chamber Vapor chamber
Rear material Glass Glass
Frame material Metal Metal
Colors White, Black, Blue White, Black
Fingerprint scanner Yes, in-button Yes, in-button
Screen-to-body ratio
Mix Fold 4
89.3%
iPhone Duo +2%
90.9%

Performance

Chipset specifications of Xiaomi Mix Fold 4 and Apple iPhone Duo
SoC
Chipset Qualcomm Snapdragon 8 Gen 3 Apple A20 Pro
Max clock 3300 MHz 4930 MHz
CPU cores 8 (1 + 3 + 2 + 2) 6 (2 + 4)
Architecture - 2 cores at 2.27 GHz: Cortex-A520
- 2 cores at 2.96 GHz: Cortex-A720
- 3 cores at 3.15 GHz: Cortex-A720
- 1 core at 3.3 GHz: Cortex-X4		 - 4 cores at 2.64 GHz:
- 2 cores at 4.93 GHz:
L3 cache 12 MB -
Manufacturing TSMC TSMC
Lithography process 4 nanometers 2 nanometers
Neural processor (NPU) Hexagon Apple Neural Engine
GPU
Graphics Adreno 750 7 core Apple GPU
GPU shading units 1536 896
GPU clock 903-1000 MHz 1620 MHz
FLOPS ~2774 GFLOPS ~2903 GFLOPS

Benchmarks

Benchmark comparison of Xiaomi Mix Fold 4 and Apple iPhone Duo
Geekbench 6 (Single-Core)
Mix Fold 4
2129
iPhone Duo +122%
4731
Geekbench 6 (Multi-Core)
Mix Fold 4
6630
iPhone Duo +99%
13202
Compute Score (GPU)
Mix Fold 4
14837
iPhone Duo +244%
51029
Compute Score (GPU) 14837 51029
Single-core score 2129 4731
Multi-core score 6630 13202
Sources: Geekbench [3]
AnTuTu Benchmark 11
Mix Fold 4
1991672
iPhone Duo +54%
3061434
CPU 623232 904154
GPU 560801 1139824
Memory 398946 259571
UX 408693 757885
Total score 1991672 3061434
Samples Less than 3 Less than 3
3DMark Steel Nomad Light
Stability 74% -
Graphics test 10 FPS -
Graphics score 1410 -
3DMark Solar Bay
Graphics test 25 FPS -
Section 1 29 FPS -
Section 2 24 FPS -
Section 3 21 FPS -
Graphics score 6558 -
Sources: 3DMark [5]
PCMark 3.0
Web score 14938 -
Video editing 7910 -
Photo editing 31681 -
Data manipulation 16101 -
Writing score 17461 -
Submit your benchmark results

Memory

RAM
RAM size 12 GB 12 GB
Memory type LPDDR5X LPDDR5X
Memory clock 4200 MHz 4800 MHz
Channels 4 3
Storage
Storage size 256 GB 256 GB
Storage type UFS 4.0 NVMe
Memory card No No

Software

Operating system Android 14 iOS 27
ROM HyperOS 1.0 -
OS size 31 GB -
OS updates - 7 years
Security updates - 7 years

Battery

Capacity 5100 mAh 5400 mAh
Max charge power 67 W -
Battery type Li-Po Li-Ion
Replaceable No No
Wireless charging Yes (50 W) Yes (20 W)
Reverse charging Yes, (wireless) Yes, (wireless)
Bypass charging - No
Fast charging Yes (31% in 10 min) Yes (50% in 20 min)
Full charging time 0:55 hr -
Battery life tests
Web browsing 09:24 hr -
Watching video 15:08 hr -
Gaming 05:24 hr -
Standby 108 hr -
General battery life
Mix Fold 4
23:22 hr
iPhone Duo
n/a
Add your battery life

Main camera

Matrix 50 megapixels 48 megapixels
Image resolution 8192 x 6144 8064 x 6048
Zoom Optical, 5x Digital
Flash LED Dual LED
Stabilization Optical Optical
8K video recording Up to 24FPS No
4K video recording Up to 60FPS Up to 120FPS
1080p video recording Up to 60FPS Up to 120FPS
Slow motion 1920 FPS (1080p) 240 FPS (1080p)
Angle of widest lens 120° 120°
Lenses 1) Standard: 50 MP
2) Telephoto: 50 MP
3) Telephoto: 10 MP
4) Ultrawide: 12 MP
1) Standard: 48 MP
2) Ultrawide: 48 MP
Camera features - Bokeh mode
- Pro mode
- RAW support		 - Bokeh mode
- Pro mode
- RAW support
Standard lens
Image resolution 50 MP 48 MP
Aperture f/1.7 f/1.6
Focal length 23 mm 26 mm
Sensor Omnivision OV50 Light Hunter 800 -
Sensor size 1/1.55" (≈ 0.65 inch) 1/1.56" (≈ 0.64 inch)
Pixel size 1 micron 1 micron
Autofocus Phase autofocus Phase autofocus (Dual Pixel)
Stabilization Optical Optical
Telephoto lens
Image resolution 50 MP -
Aperture f/2.9 -
Focal length 47 mm -
Sensor Omnivision OV60A -
Sensor size 1/2.8" (≈ 0.36 inch) -
Pixel size 1.12 micron -
Stabilization Optical -
Ultra-wide lens
Image resolution 12 MP 48 MP
Aperture f/2.2 f/2.2
Focal length 15 mm 13 mm
Sensor Omnivision OV13B10 -
Sensor size 1/3.06" (≈ 0.33 inch) 1/2.55" (≈ 0.39 inch)
Pixel size 1.12 micron 0.7 micron
Stabilization Digital Digital

Selfie camera

Megapixels 16 megapixels 12 megapixels
Aperture - f/2.2
Sensor Omnivision OV16F CMOS
Autofocus No Phase autofocus
Stabilization Digital Optical
Video resolution 1080p (Full HD) at 60 FPS 2160p (4K) at 60 FPS
Depth sensor (TOF 3D) No No

Connectivity

Wi-Fi standard Wi-Fi 7 (802.11 a/b/g/n/ac/ax/be) Wi-Fi 7 (802.11 a/b/g/n/ac/ax/be)
Wi-Fi features - Dual Band
- Wi-Fi MiMO
- Wi-Fi Direct
- Wi-Fi Hotspot
- Wi-Fi Display		 - Dual Band
- Wi-Fi MiMO
- Wi-Fi Direct
- Wi-Fi Hotspot
- Wi-Fi Display
Bluetooth version 5.4 6.0
Bluetooth features LE LE
USB type USB Type-C USB Type-C
USB version 3.2 3.2
USB features - Charging
- USB-Storage mode
- OTG		 - Charging
- USB-Storage mode
- OTG
DisplayPort Yes, DP 1.4 Yes
GPS GPS, GLONASS, Beidou, Galileo, QZSS, NAVIC GPS, GLONASS, Beidou, Galileo, QZSS, NAVIC
NFC* Yes Yes
Infrared port Yes No
Network
Number of SIM* 2 -
Type of SIM card Nano eSIM
Multi SIM mode Standby -
eSIM support* No Yes
Hybrid slot No No
LTE Cat* 20 -
5G support Yes Yes

Sound

Speakers Stereo Stereo
Headphone audio jack No No
FM radio No No
Dolby Atmos Yes Yes
Speakers test
Max loudness
Mix Fold 4
79.2 dB
iPhone Duo
n/a

Other

Category Flagship Flagship
Announced July 2024 September 2026
Release date July 2024 October 2026
Launch price (MSRP) $1300 $1999
Sensors - Barometer
- Proximity sensor
- Gyroscope
- Accelerometer
- Ambient light sensor
- Compass
- Fingerprint		 - Barometer
- Proximity sensor
- Gyroscope
- Accelerometer
- Ambient light sensor
- Compass
- Fingerprint
Bundled charger Yes, 67 W Not included
*Disclaimer! NFC, GSM network support, and some other specs can be different depending on the country.

Conclusion

After analyzing all the data, we think that the Apple iPhone Duo is definitely a better buy.

Cast your vote

So, which phone would you choose?
1 (50%)
1 (50%)
Total votes: 2

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