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Xiaomi MIX Fold 4 vs Xiaomi Redmi A3x

Compare Xiaomi MIX Fold 4 vs Xiaomi Redmi A3x side by side: Qualcomm Snapdragon 8 Gen 3 vs Unisoc T603, 50MP vs 8MP camera, 5100mAh vs 5000mAh battery, $1499…

Xiaomi Xiaomi MIX Fold 4 official product image

Xiaomi

Xiaomi MIX Fold 4

$1,499

17categories won

Xiaomi Redmi A3x official product image

Xiaomi

Redmi A3x

$79

2categories won

1 categories tied · 20 scored in total · add a third phone

Information Gain

Which one wins?

MxMob Algorithmic Verdict

Xiaomi MIX Fold 4 takes the overall win

Overall Pick

The Xiaomi MIX Fold 4 claims the overall win over the Xiaomi Redmi A3x, delivering a stronger technical package across gaming and photography. In camera testing, the Xiaomi MIX Fold 4 leads with sharper imaging, while battery endurance leans towards the Xiaomi MIX Fold 4. Choose the Xiaomi MIX Fold 4 if you want the highest performance ceiling, or opt for the Redmi A3x if its lower retail price better fit your budget.

🔋 BatteryXiaomi MIX Fold 4

Xiaomi MIX Fold 4 wins on endurance with 5,100 mAh and 67W fast charging.

🎮 GamingXiaomi MIX Fold 4

Xiaomi MIX Fold 4 leads gaming and raw performance powered by the Qualcomm Snapdragon 8 Gen 3 and 16GB RAM.

📸 CameraXiaomi MIX Fold 4

Xiaomi MIX Fold 4 wins photography with 50MP main imaging and 2x dedicated optical zoom.

🏷️ ValueRedmi A3x

Redmi A3x wins on budget and value at $79 compared to $1499.

Category verdicts are computed algorithmically from verified technical specifications and hardware benchmarks. Rows where neither figure is objectively better — screen size preference, operating system choice, aesthetic build materials — are displayed for direct reference without scoring bias.

Xiaomi MIX Fold 4 vs Redmi A3x: specifications compared

Display

Display comparison between the Xiaomi MIX Fold 4, Xiaomi Redmi A3x
SpecificationXiaomi MIX Fold 4Redmi A3x
Screen size
7.98"
6.71"
Resolution
2224 x 2488Winner
720 x 1650
Pixel density
418 ppiWinner
268 ppi
Refresh rate
120 HzWinner
90 Hz
Peak brightness
3000 nitsWinner
500 nits

Performance

Performance comparison between the Xiaomi MIX Fold 4, Xiaomi Redmi A3x
SpecificationXiaomi MIX Fold 4Redmi A3x
Chipset
Qualcomm Snapdragon 8 Gen 3
Unisoc T603
Process node
4 nmWinner
12 nm
AnTuTu score
2,110,000Winner
180,000
Geekbench multi
6940Winner
1120
Maximum RAM
16 GBWinner
4 GB
Maximum storage
1TBWinner
128GB

Camera

Camera comparison between the Xiaomi MIX Fold 4, Xiaomi Redmi A3x
SpecificationXiaomi MIX Fold 4Redmi A3x
Main sensor
50 MPWinner
8 MP
Rear cameras
4Winner
2
Optical zoom
2x
Ultrawide
12 MP
Selfie camera
16 MPWinner
5 MP
Max video
8K@24fps, 4K@60fps Dolby Vision
1080p@30fps

Battery and charging

Battery and charging comparison between the Xiaomi MIX Fold 4, Xiaomi Redmi A3x
SpecificationXiaomi MIX Fold 4Redmi A3x
Capacity
5,100 mAh
5,000 mAh
Wired charging
67 WWinner
10 W
Wireless charging
50 WWinner
No

Design

Design comparison between the Xiaomi MIX Fold 4, Xiaomi Redmi A3x
SpecificationXiaomi MIX Fold 4Redmi A3x
Weight
226 g
193 gWinner
Thickness
4.59 mmWinner
8.3 mm
Water resistance
IPX8
IP52
Build
All-carbon fiber architecture, high-strength steel hinge, Dragon Crystal Glass
Premium circular halo glass back design, polycarbonate frame

Software and support

Software and support comparison between the Xiaomi MIX Fold 4, Xiaomi Redmi A3x
SpecificationXiaomi MIX Fold 4Redmi A3x
Operating system
Android 14
Android 14
OS updates
4 yearsWinner
2 years
Security updates
5 yearsWinner
3 years

Connectivity and value

Connectivity and value comparison between the Xiaomi MIX Fold 4, Xiaomi Redmi A3x
SpecificationXiaomi MIX Fold 4Redmi A3x
5G
Yes
Yes
Wi-Fi
Wi-Fi 7 (802.11be)
Wi-Fi 4 (802.11n)
Storage expansion
None
microSD
3.5mm jack
No
No
Launch price
$1,499
$79Winner

Xiaomi MIX Fold 4

The Xiaomi MIX Fold 4 sets an apex benchmark for book-style foldables, measuring a breathtaking 4.59mm unfolded and 9.47mm folded while weighing only 226g. Equipped with quad Leica cameras including dual telephotos (2x floating + 5x periscope), IPX8 waterproofing, 5,100mAh battery, and 50W wireless charging.

Display
7.98"
Chipset
Qualcomm Snapdragon 8 Gen 3
Main camera
50MP
Battery
5,100mAh
Full Xiaomi MIX Fold 4 specifications →

Xiaomi Redmi A3x

The Redmi A3x elevates entry-level smartphones with a genuine Corning Gorilla Glass 3 rear panel, a circular halo camera ring echoing ultra-flagships, 90Hz smooth display, side-mounted fingerprint scanner, and USB-C.

Display
6.71"
Chipset
Unisoc T603
Main camera
8MP
Battery
5,000mAh
Full Redmi A3x specifications →

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