Redmi K40
Snapdragon 870 value flagship with E4 AMOLED.
The Redmi K40 is a flagship Xiaomi smartphone released Feb 2021, with a launch price of $300. It pairs the Snapdragon 870 with a 6.67" FHD+ E4 AMOLED 120Hz display, a 48 MP + 8 MP UW + 5 MP macro main camera and a 4520 mAh, 33W battery. In SpecEagle's editorial review it scores 82/100 — The value-flagship benchmark. Standout strengths: snapdragon 870 + top e4 amoled at $300 and 120hz + stereo speakers. Main trade-off: only 33w charging.
The value-flagship benchmark.
Redmi K40 (the global Poco F3) put Snapdragon 870 and a flagship-grade Samsung E4 120Hz AMOLED at just $300 — one of the most acclaimed value flagships ever, defining the price-to-performance bar for years.
Read the full review- Snapdragon 870 + top E4 AMOLED at $300
- 120Hz + stereo speakers
- Slim 7.8 mm body
Full specifications
Benchmarks
How the Redmi K40 compares
| Redmi K40 | Galaxy S25 Ultra | POCO F6 Pro | |
|---|---|---|---|
| SpecEagle score | 82 | 89 | 82 |
| Chipset | Snapdragon 870 | SD 8 Elite | SD 8 Gen 2 |
| Display | 6.67" FHD+ E4 AMOLED 120Hz | 6.9" LTPO AMOLED | 6.67" AMOLED 120 Hz |
| Main camera | 48 MP + 8 MP UW + 5 MP macro | 200 MP · f/1.7 | 50 MP · f/1.6 |
| Battery | 4520 mAh, 33W | 5,000 mAh | 5,000 mAh |
| Launch price | $300 | $1,299 | $499 |
Frequently asked questions
When was the Redmi K40 released?
The Redmi K40 was released in Feb 2021.
How much does the Redmi K40 cost?
The Redmi K40 launched at $300 (manufacturer suggested price at release; street and second-hand prices vary by region, storage tier and time since launch).
What is the Redmi K40 screen size and type?
The Redmi K40 has a 6.67" FHD+ E4 AMOLED 120Hz display.
What chipset does the Redmi K40 use?
The Redmi K40 is powered by the Snapdragon 870 chipset.
How much RAM and storage does the Redmi K40 have?
The Redmi K40 ships with 6/8/12 GB (RAM · base storage); higher configurations may be available.
What is the Redmi K40 battery capacity?
The Redmi K40 has a 4520 mAh, 33W battery.
What is the Redmi K40 main camera?
The Redmi K40 has a 48 MP + 8 MP UW + 5 MP macro main camera.
Does the Redmi K40 have 5G?
The Redmi K40 supports 5G (Yes, sub-6).
How much does the Redmi K40 weigh?
The Redmi K40 weighs 196 g.
What colours does the Redmi K40 come in?
The Redmi K40 is available in 3 colours: Carbon Fiber Black, Aurora, Cyan.
Is the Redmi K40 worth buying?
Redmi K40 (the global Poco F3) put Snapdragon 870 and a flagship-grade Samsung E4 120Hz AMOLED at just $300 — one of the most acclaimed value flagships ever, defining the price-to-performance bar for years. SpecEagle gives the Redmi K40 an editorial score of 82/100.
Owner opinions
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