Xiaomi 13 Ultra vs Xiaomi Redmi A3x
Compare Xiaomi 13 Ultra vs Xiaomi Redmi A3x side by side: Qualcomm Snapdragon 8 Gen 2 vs Unisoc T603, 50MP vs 8MP camera, 5000mAh vs 5000mAh battery, $1099 vs…

Xiaomi
13 Ultra
$1,099
16categories won

Xiaomi
Redmi A3x
$79
3categories won
1 categories tied · 20 scored in total · add a third phone
Which one wins?
Xiaomi 13 Ultra takes the overall win
The Xiaomi 13 Ultra claims the overall win over the Xiaomi Redmi A3x, delivering a stronger technical package across gaming and photography. In camera testing, the 13 Ultra leads with sharper imaging, while battery endurance leans towards the 13 Ultra. Choose the 13 Ultra if you want the highest performance ceiling, or opt for the Redmi A3x if its lower retail price better fit your budget.
13 Ultra wins on endurance with 5,000 mAh and 90W fast charging.
13 Ultra leads gaming and raw performance powered by the Qualcomm Snapdragon 8 Gen 2 and 16GB RAM.
13 Ultra wins photography with 50MP main imaging and 3.2x dedicated optical zoom.
Redmi A3x wins on budget and value at $79 compared to $1099.
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.
13 Ultra vs Redmi A3x: specifications compared
Display
| Specification | 13 Ultra | Redmi A3x |
|---|---|---|
| Screen size | 6.73" | 6.71" |
| Resolution | 1440 x 3200Winner | 720 x 1650 |
| Pixel density | 521 ppiWinner | 268 ppi |
| Refresh rate | 120 HzWinner | 90 Hz |
| Peak brightness | 2600 nitsWinner | 500 nits |
Performance
| Specification | 13 Ultra | Redmi A3x |
|---|---|---|
| Chipset | Qualcomm Snapdragon 8 Gen 2 | Unisoc T603 |
| Process node | 4 nmWinner | 12 nm |
| AnTuTu score | 1,560,000Winner | 180,000 |
| Geekbench multi | 5320Winner | 1120 |
| Maximum RAM | 16 GBWinner | 4 GB |
| Maximum storage | 1TBWinner | 128GB |
Camera
| Specification | 13 Ultra | Redmi A3x |
|---|---|---|
| Main sensor | 50 MPWinner | 8 MP |
| Rear cameras | 4Winner | 2 |
| Optical zoom | 3.2x | — |
| Ultrawide | 50 MP | — |
| Selfie camera | 32 MPWinner | 5 MP |
| Max video | 8K at 24fps, 4K at 60fps Dolby Vision | 1080p@30fps |
Battery and charging
| Specification | 13 Ultra | Redmi A3x |
|---|---|---|
| Capacity | 5,000 mAh | 5,000 mAh |
| Wired charging | 90 WWinner | 10 W |
| Wireless charging | 50 WWinner | No |
Design
| Specification | 13 Ultra | Redmi A3x |
|---|---|---|
| Weight | 227 g | 193 gWinner |
| Thickness | 9.6 mm | 8.3 mmWinner |
| Water resistance | IP68 | IP52 |
| Build | Aluminum unibody frame, antibacterial silicone leather back, Gorilla Glass Victus front | Premium circular halo glass back design, polycarbonate frame |
Software and support
| Specification | 13 Ultra | Redmi A3x |
|---|---|---|
| Operating system | Android 13 | Android 14 |
| OS updates | 3 yearsWinner | 2 years |
| Security updates | 4 yearsWinner | 3 years |
Connectivity and value
| Specification | 13 Ultra | Redmi 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 | $1,099 | $79Winner |
Xiaomi 13 Ultra
The Xiaomi 13 Ultra stands as an imaging titan, combining four 50MP Sony sensors covering 12mm to 120mm focal lengths, a physical two-stop variable aperture on the 1-inch Sony IMX989, 90W wired and 50W wireless charging, and an ergonomic leather camera body.
- Display
- 6.73"
- Chipset
- Qualcomm Snapdragon 8 Gen 2
- Main camera
- 50MP
- Battery
- 5,000mAh
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