Xiaomi Poco M3 Review: A monster battery

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Xiaomi Poco M3 Review: A monster battery

With the Poco M3, Xiaomi is launching an inexpensive entry-level model that performed well in the test. Performance and display quality are perfectly fine. But the best thing is the extremely long battery life.

Xiaomi Poco M3 Review

In terms of equipment, however, users have to make compromises. For example, the manufacturer does without an NFC chip. The camera can only convince to a limited extent in the low-light test.

Technical test data for Xiaomi Poco M3 Specification:

Product: Xiaomi Poco M3
Tested with: Android 10
Weight: 198 grams
Height x width: 162 x 77 mm
Thickness: 10.7 mm
Display: Diagonal: 6.5 in
Display: Diagonal (additional display):
Display: Size in millimeters: 65 x 129 mm
Display: Type: LCD
Display resolution: 2,340 x 1,080 pixels
Display: Pixel density: 453 ppi
Display: Refresh rate: 60 Hz
Display: Brightness: 417.7 cd / m²
Display: checkerboard contrast without ambient light: 159: 1
Display: Contrast in ambient light: 87: 1
Display: sRGB color space: 99%
Display: Color space DCI-P3: 72%
Loading time: PDF via WLAN: 7.0 seconds
Benchmark: GFX-Bench: 7.2 frames / s
Benchmark: PCMark: 6,058 points
Processor: Qualcomm Snapdragon 662
Processor clock: 2,000 MHz
Processor cores: 4 + 4
Random access memory: 4 GB
Battery: Capacity: 6,000 mAh
Battery: Online runtime: 17:56 hours
Battery: Charging time: 02:56 hours
Battery: Battery charge after 30 minutes: 24 percent
Fast charging power supply included: Yes
Wireless charging:
Volte: Yes
LTE: Supported frequency bands: 800, 1,800, 2,600 MHz
LTE: speed: 390 Mbit / s
5G capable:
Camera: Gross megapixels of the sensor: 48 megapixels
Camera: Megapixel: 12.0 megapixels
Camera: slow motion (HD / Full-HD): 120 fps (720p) / –
Camera: Resolution: 1,547 lp / hour
Camera: Expert assessment Image quality: 3.1 (satisfactory)
Camera: Noise: 1.4 VN1
Camera: Optical image stabilizer:
Camera: Auto focus: Yes
Camera: max. Video resolution: 1,920 x 1,080 pixels (30 frames per second)
Front camera: Resolution: 8.0 megapixels
Notification display:
SIM slot: Nano-SIM⧸Nano-SIM
Dual Sim: yes (4G / 4G)
Dust and water protection:
Biometric unlock: Fingerprint sensor, face recognition
Nominal memory: 64 GB
Free space: 47.1 GB
Memory card slot: Yes
USB port: Type-C USB 2.0
Bluetooth: 5.0
Headphone output: 3.5mm jack
SAR value:
Firmware version:
Tested on: December 16, 2020

Xiaomi Poco M3 test: Large and decent display

With its display diagonal of 6.53 inches, the Poco M3 is quite wide. On the other hand, the black display edges are very inconspicuous, which looks modern. A teardrop-shaped notch is integrated at the top of the screen; the selfie camera has a resolution of 8 megapixels.

Xiaomi uses an LC display that has a resolution of 2,340 x 1,080 pixels (Full HD Plus resolution). That’s pretty decent for a smartphone around 130 euros. The display is protected by Gorilla Glass 3.

With a maximum brightness of up to 418cd/m², the display of the Poco M3 is comparatively dark compared to that of the Poco X3 NFC, and reading is somewhat difficult in direct sunlight.

The color representation is okay, the device covers 99 percent of the standard RGB color space; higher quality screens are more colorful. In return, the sharpness can be seen with a decent pixel density of 395 ppi.

The Xiaomi Poco M3 is relatively wide, but lies comfortably in the hand due to the plastic back, which is supposed to imitate leather. The weight of almost 200 grams is quite noticeable. Overall, the cell phone looks very high quality for the low price.


Poco M3: Cheap battery monster from Xiaomi

The Poco M3 is a real battery monster: With a capacity of 6,000 mAh, you only have to charge the smartphone every other day, depending on usage. In the long-term test, the Xiaomi phone lasts for an incredible 17:56 hours and can thus prevail against numerous high-end models from Apple and Samsung.

The battery is fully charged in 176 minutes with a 22.5 watt power supply unit and that takes a long time.

Fired on by the Qualcomm Snapdragon 662 processor with eight cores and a clock rate of up to 2 GHz, the Poco M3 offers adequate performance together with 4 GB of RAM and 64 GB of internal memory. You shouldn’t expect high-end performance, but for many users this is completely sufficient for everyday use.

Despite the Snapdragon 662, the Poco M3 is not suitable for hardcore gamers. 3D games can only be played smoothly if the graphic display can be reduced to a minimum. In the PC benchmark for Android, the Poco M3 achieved 6,058 points and is between the Redmi 7 (in test) and the Redmi Note 7 (in test).


Poco M3 – Solid camera with a few drawbacks

Xiaomi advertises the Poco M3 with a triple camera. But don’t let that mislead you. In addition to the main camera with 48 megapixels, you can also take pictures with a macro lens for close-ups and a depth sensor with 2 megapixels each.

The software combines four pixels from the main camera into one. The photos therefore only reach 12 megapixels.

The Poco M3 has a particularly difficult time taking pictures in low light. Due to the lack of image stabilization, the images become blurred and the image noise makes for bad snapshots.

We rate the quality in this scenario as “unsatisfactory”. The only remedy: stabilize the mobile phone or take pictures with a tripod. When the light is on, the low-budget smartphone takes surprisingly good photos and does better than many 150-euro cell phones.

However, crucial specs such as optical zoom and UHD video resolution are missing. The lack of image stabilization also has a negative effect on video recordings: They are only shot in Full HD at 30 frames per second. In addition to night mode, you can also shoot time-lapse and slow-motion recordings. Slow motion comes with a maximum of 120 fps at 720p.


Solid equipment in the Poco M3

The equipment of the Poco M3 is also in line with the price range. You have to do without certified dust and water protection. Unfortunately, NFC is also not on board and contactless payment is therefore flat.

It won’t be particularly noticeable during use, but the older WLAN standard is also worth mentioning: The Poco M3 relies on a slower WLAN 802.11n module and LTE Internet with a maximum download speed of up to 390 Mbit/s and up to 150 Mbit/s in upload.

Apart from that, the Xiaomi smartphone offers solid features at a low price. In addition to Bluetooth 5.0, a Type-C USB 2.0 and a classic 3.5 mm jack connection are also integrated. Our test device has 64 GB of storage space, with around 47 GB available at the factory. You can also buy a 128 GB model for an additional charge.

If the integrated memory is not sufficient, it can certainly be expanded with a microSD card. In addition to the expandable memory, the Poco M3 is also dual SIM capable.

The Poco M3 from Xiaomi comes with MIUI 12, the in-house user interface, including additional apps and features, based on Android 10. Some of the special functions are the infrared transmitter, which turns the smartphone into a universal remote control, or the FM radio. The stereo speakers, which provide really good sound, should also please one or the other user.

Xiaomi doesn’t mess with the scope of delivery: In addition to the USB cable and power supply, the manufacturer also supplies a silicone protective cover and a screen protector.

The latter is already attached to the cell phone. Overall, we still rate the Poco M3 with the grade “good”. The price-performance ratio is attractive. You can buy the Poco M3 in yellow, blue or black.

Xiaomi Poco M3 Pros:

  • Long-lasting battery
  • Solid display
  • Great value for money

Xiaomi Poco M3 Cons:

  • No NFC
  • No dust and water protection

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