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Xiaomi Redmi Note 8 vs Redmi K30

Here we compared two mid-range smartphones: the 6.3-inch Xiaomi Redmi Note 8 (with Qualcomm Snapdragon 665) that was released on August 29, 2019, against the Xiaomi Redmi K30, which is powered by Qualcomm Snapdragon 730G and came out 3 months after. On this page, you will find tests, full specs, strengths, and weaknesses of each of the gadgets.

Key differences

An overview of the main advantages of each smartphone
Reasons to consider the Xiaomi Redmi Note 8
  • Shows 7% longer battery life (108 vs 101 hours)
  • Weighs 18 grams less
Reasons to consider the Xiaomi Redmi K30
  • Higher display refresh rate – 120 Hz
  • 58% better performance in AnTuTu Benchmark (277K versus 174K)
  • Optical image stabilization
  • Has a 0.37 inch larger screen size
  • Slow-motion recording at 960FPS
  • Comes with 500 mAh larger battery capacity: 4500 vs 4000 mAh
  • Delivers 13% higher maximum brightness (724 against 638 nits)
  • More energy-efficient CPU – Snapdragon 730G
  • 70% faster in single-core GeekBench 5 test: 548 and 323 points

Review

Display
Screen quality, color accuracy, brightness
Performance
CPU/GPU performance in apps and games
Battery
Battery life, charging type and speed
Camera
Photo and video recording quality
Connectivity
Networks, ports, data transmission
NanoReview score
Final comparison evaluation

Value for money

You can enter your local price of these phones (in USD or any other currency) and click on the "Calculate" button to see which one has a better value for money.
Price

Tests and specifications

Comparison table of technical specifications and tests

Display

Type IPS LCD IPS LCD
Size 6.3 inches 6.67 inches
Resolution 1080 x 2340 pixels 1080 x 2400 pixels
Aspect ratio 19.5:9 20:9
PPI 409 ppi 395 ppi
Refresh rate 60 Hz 120 Hz
HDR support No Yes, HDR10
Screen protection Corning Gorilla Glass 5 Corning Gorilla Glass 5
Screen-to-body ratio 81.7% 84.8%
Display features - - Always-On Display
- DC Dimming
Max. Brightness
638 nits
Redmi K30 +13%
724 nits

Design and build

Height 158.3 mm (6.23 inches) 165.3 mm (6.51 inches)
Width 75.3 mm (2.96 inches) 76.6 mm (3.02 inches)
Thickness 8.4 mm (0.33 inches) 8.8 mm (0.35 inches)
Weight 190 gramm (6.7 oz) 208 gramm (7.34 oz)
Waterproof No No
Rear material Glass Glass
Frame material Plastic Plastic
Colors White, Black, Blue White, Blue, Red, Purple
Fingerprint scanner Yes, rear Yes, in home button
Screen-to-body ratio
81.7%
Redmi K30 +4%
84.8%

Performance

Tests of Xiaomi Redmi Note 8 and Xiaomi Redmi K30 in the benchmarks
SoC
Chipset Qualcomm Snapdragon 665 Qualcomm Snapdragon 730G
Max. clock 2000 MHz 2200 MHz
CPU cores 8 (4 + 4) 8 (2 + 6)
Architecture - 4 cores at 1.8 GHz: Kryo 260 Silver (Cortex-A53)
- 4 cores at 2.2 GHz: Kryo 260 Gold (Cortex-A73)
- 6 cores at 1.8 GHz: Kryo 470 Silver (Cortex-A55)
- 2 cores at 2.2 GHz: Kryo 470 Gold (Cortex-A76)
Lithography process 11 nanometers 8 nanometers
Graphics Adreno 610 Adreno 618
GPU clock 600 MHz 575 MHz
FLOPS ~273 GFLOPS ~422 GFLOPS
Memory
RAM size 4 GB 6, 8 GB
Memory type LPDDR4X LPDDR4X
Memory clock 1866 MHz 1866 MHz
Channels 2 2
Storage
Storage size 64, 128 GB 64, 128, 256 GB
Storage type UFS 2.1 UFS 2.1
Memory card MicroSD MicroSD
Memory card max. size Up to 256 GB Up to 256 GB

Benchmarks

Geekbench 5 (Single-Core)
Redmi K30 +70%
548
Geekbench 5 (Multi-Core)
Redmi K30 +30%
1719
AnTuTu Benchmark 8
174929
Redmi K30 +58%
277062

Software

Operating system Android 9.0 (Can be upgraded to Android 10) Android 10
ROM MIUI 12 MIUI 12

Battery

Specifications
Capacity 4000 mAh 4500 mAh
Charge power 18 W 27 W
Battery type Li-Ion Li-Po
Replaceable No No
Wireless charging No No
Reverse charging No No
Fast charging Yes, Quick Charge 4.0 (50% in 35 min) Yes (100% in 70 min)
Full charging time 2:05 hr 1:10 hr

Battery life tests

Web browsing (Wi-Fi)
16:00 hr
14:14 hr
Watching videos (Player)
14:24 hr
12:19 hr
Talk (3G)
25:01 hr
Redmi K30 +77%
44:27 hr
Smartphones With Long Battery Life (113th and 75th place)

Camera

Specs and camera test of smartphones
Main camera
Matrix 48 megapixels 64 megapixels
Image resolution 8000 x 6000 9000 x 7000
Zoom Digital Digital
Flash - Dual LED
Stabilization Digital Optical
8K video recording No No
4K video recording Up to 30FPS Up to 30FPS
1080p video recording Up to 60FPS Up to 120FPS
Slow motion 240 FPS (720p) 960 FPS (720p)
Angle of widest lens 118° 120°
Lenses 4 (48 MP + 8 MP + 2 MP + 2 MP) 4 (64 MP + 8 MP + 2 MP + 2 MP)
Wide (main) lens - 48 MP
- Aperture: f/1.8
- Focal length: 26 mm
- Pixel size: 0.8 micron
- Sensor: 1/2", Samsung S5KGM2 (Exmor-RS CMOS)
- Phase autofocus
- 64 MP
- Aperture: f/1.9
- Focal length: 26 mm
- Pixel size: 0.8 micron
- Sensor: 1/1.7", Sony IMX686 (Exmor-RS CMOS)
- Phase autofocus
- Optical stabilization
Ultra-wide lens - 8 MP
- Aperture: f/2.2
- Focal length: 13 mm
- Pixel size: 1.12 micron
- Sensor: 1/5", Omnivision OV8856
- 8 MP
- Aperture: f/2.2
- Focal length: 13 mm
- Pixel size: 1.12 micron
- Sensor: 1/4", OmniVision OV8856 (CMOS)
Macro lens - 2 MP
- Aperture: f/2.4
- Pixel size: 1.75 micron
- Sensor: 1/5", Omnivision OV02A10 (CMOS)
- 2 MP
- Aperture: f/2.4
- Focal length: 1.94 mm
- Pixel size: 1.75 micron
- Sensor: 1/5", GalaxyCore GC02M1 (CMOS)
Depth lens - 2 MP
- Aperture: f/2.4
- Pixel size: 1.75 micron
- Sensor: 1/5", Omnivision OV02A10 (CMOS)
- 2 MP
- Aperture: f/2.4
- Pixel size: 1.75 micron
- Sensor: 1/5", GalaxyCore GC02M1 (CMOS)
Camera features - Bokeh mode
- Pro mode
- Bokeh mode
- Pro mode
Selfie camera
Megapixels 13 megapixels 20 megapixels
Image resolution 4224 x 3136 5963 x 3354
Aperture f/2.0 f/2.2
Focal length 28.21 mm 27 mm
Pixel size 1.12 microns 0.8 microns
Sensor type - ISOCELL CMOS
Sensor size 1/2.9" 1/3.4"
Video resolution 1080p (Full HD) при 30 FPS 1080p (Full HD) при 30 FPS

Connectivity

Wi-Fi standard Wi-Fi 5 (802.11 b/g/n/ac) Wi-Fi 5 (802.11 b/g/n/ac)
Wi-Fi features - Dual Band
- Wi-Fi Direct
- Wi-Fi Hotspot
- Wi-Fi Display
- Dual Band
- Wi-Fi Direct
- Wi-Fi Hotspot
- Wi-Fi Display
Bluetooth version 5 5
Bluetooth features LE, HID, A2DP LE, A2DP
USB type USB Type-C USB Type-C
USB version 2 2
USB features - Charging
- USB-Storage mode
- OTG
- Charging
- USB-Storage mode
- OTG
GPS GPS, GLONASS, Beidou GPS, GLONASS, Beidou, Galileo
NFC* No Yes
Infrared port Yes Yes
Network
Number of SIM* 2 2
Type of SIM card Nano Nano
Multi SIM mode Standby Standby
eSIM support* No No
Hybrid slot No Yes
LTE Cat* 12 15
5G support No Yes

Sound

Speakers Mono Mono
Headphone audio jack Yes Yes
FM radio Yes Yes
Dolby Atmos No No
Speakers test
Max. loudness
81.3 dB
n/a

Other

Category Mid-range Mid-range
Announced August 2019 December 2019
Release date September 2019 February 2020
Launch price ~ 187 USD ~ 287 USD
SAR (head) 0.191 W/kg 0.47 W/kg
SAR (body) 1.034 W/kg 1.16 W/kg
Sensors - Proximity sensor
- Gyroscope
- Accelerometer
- Ambient light sensor
- Compass
- Fingerprint
- Barometer
- Proximity sensor
- Gyroscope
- Accelerometer
- Ambient light sensor
- Compass
- Fingerprint
*Disclaimer! NFC, GSM network support, and some other specs can be different depending on the country.

Conclusion

After analyzing all the data, we think that the Xiaomi Redmi K30 is definitely a better buy.

Cast your vote

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1 (50%)
Total votes: 2

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