Xiaomi Redmi A3x vs Xiaomi Redmi K100 Pro
Compare Xiaomi Redmi A3x vs Xiaomi Redmi K100 Pro side by side: Unisoc T603 vs Qualcomm SM8850-AC Snapdragon 8 Elite Gen 5 V Series, 8MP vs 200MP camera…
Xiaomi
Redmi A3x
$79
2categories won
Xiaomi
Redmi K100 Pro
$699
17categories won
1 categories tied · 20 scored in total · add a third phone
Which one wins?
Xiaomi Redmi K100 Pro takes the overall win
The Xiaomi Redmi K100 Pro proves superior overall against the Xiaomi Redmi A3x, outperforming on gaming and photography. In camera testing, the Redmi K100 Pro leads with superior optics, while battery endurance leans towards the Redmi K100 Pro. Choose the Redmi K100 Pro if you want the highest performance ceiling, or opt for the Redmi A3x if its lower retail price better fit your budget.
Redmi K100 Pro takes battery honors offering 8,580 mAh alongside 100W charging.
Redmi K100 Pro provides greater sustained gaming output with its Qualcomm SM8850-AC Snapdragon 8 Elite Gen 5 V Series and 16GB RAM.
Redmi K100 Pro takes photography with 200MP optics and 2.5x optical telephoto capabilities.
Redmi A3x provides a sharper value proposition, coming in at $79 vs $699.
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.
Redmi A3x vs Redmi K100 Pro: specifications compared
Display
| Specification | Redmi A3x | Redmi K100 Pro |
|---|---|---|
| Screen size | 6.71" | 6.59" |
| Resolution | 720 x 1650 | 1156 x 2510Winner |
| Pixel density | 268 ppi | 419 ppiWinner |
| Refresh rate | 90 Hz | 185 HzWinner |
| Peak brightness | 500 nits | 4500 nitsWinner |
Performance
| Specification | Redmi A3x | Redmi K100 Pro |
|---|---|---|
| Chipset | Unisoc T603 | Qualcomm SM8850-AC Snapdragon 8 Elite Gen 5 V Series |
| Process node | 12 nm | 3 nmWinner |
| AnTuTu score | 180,000 | 2,400,000Winner |
| Geekbench multi | 1120 | 8900Winner |
| Maximum RAM | 4 GB | 16 GBWinner |
| Maximum storage | 128GB | 512GBWinner |
Camera
| Specification | Redmi A3x | Redmi K100 Pro |
|---|---|---|
| Main sensor | 8 MP | 200 MPWinner |
| Rear cameras | 2 | 3Winner |
| Optical zoom | — | 2.5x |
| Ultrawide | — | 8 MP |
| Selfie camera | 5 MP | 32 MPWinner |
| Max video | 1080p@30fps | 8K at 30fps / 4K at 120fps |
Battery and charging
| Specification | Redmi A3x | Redmi K100 Pro |
|---|---|---|
| Capacity | 5,000 mAh | 8,580 mAhWinner |
| Wired charging | 10 W | 100 WWinner |
| Wireless charging | No | 50 WWinner |
Design
| Specification | Redmi A3x | Redmi K100 Pro |
|---|---|---|
| Weight | 193 gWinner | 218 g |
| Thickness | 8.3 mm | 8.6 mm |
| Water resistance | IP52 | IP68 |
| Build | Premium circular halo glass back design, polycarbonate frame | Glass front, aluminum frame, glass-fiber reinforced plastic back |
Software and support
| Specification | Redmi A3x | Redmi K100 Pro |
|---|---|---|
| Operating system | Android 14 | Android 16 |
| OS updates | 2 years | 6 yearsWinner |
| Security updates | 3 years | 6 yearsWinner |
Connectivity and value
| Specification | Redmi A3x | Redmi K100 Pro |
|---|---|---|
| 5G | Yes | Yes |
| Wi-Fi | Wi-Fi 4 (802.11n) | Wi-Fi 7 (802.11be, tri-band 2.4/5/6GHz, 320MHz bandwidth) |
| Storage expansion | microSD | None |
| 3.5mm jack | No | No |
| Launch price | $79Winner | $699 |
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
Xiaomi Redmi K100 Pro
The Xiaomi Redmi K100 Pro is a high-performance powerhouse suited for heavy users and gamers. Featuring a massive 8580mAh battery, a Snapdragon 8 Elite Gen 5 chip, and an ultra-fast 185Hz AMOLED display, it delivers flagship-tier hardware, though camera enthusiasts might find the 8MP ultrawide lens underwhelming.
- Display
- 6.59"
- Chipset
- Qualcomm SM8850-AC Snapdragon 8 Elite Gen 5 V Series
- Main camera
- 200MP
- Battery
- 8,580mAh