Home > Smartphone comparison > Redmi K90 vs Vivo X300 – which one to choose?

Xiaomi Redmi K90 vs Vivo X300

87 out of 100
Xiaomi Redmi K90
VS
88 out of 100
Vivo X300
Xiaomi Redmi K90
Vivo X300

Here we compared two flagship smartphones: the 6.59-inch Xiaomi Redmi K90 (with Qualcomm Snapdragon 8 Elite) that was released on October 28, 2025, against the Vivo X300, which is powered by MediaTek Dimensity 9500 and came out 1 month before. On this page, you will find tests, full specs, strengths, and weaknesses of each of the devices.

Select the amount of RAM to evaluate performance and value for money more precisely
Memory
  1. Differences
  2. Review
  3. Specs
  4. Benchmarks
  5. Battery life
  6. Camera
  7. Comments

Key differences

An overview of the main advantages of each smartphone
Reasons to consider the Xiaomi Redmi K90
  • Comes with 1060 mAh larger battery capacity: 7100 vs 6040 mAh
  • Slow-motion recording at 960FPS
  • Supports higher wattage charging (100W versus 90W)
Reasons to consider the Vivo X300
  • Handles wireless charging up to 40W
  • Newer Bluetooth version (v6.0)
  • The rear camera has a 3x optical zoom
  • Waterproof body (IP69 classification)
  • 10% higher pixel density (460 vs 419 PPI)
  • Weighs 16 grams less
  • The front-facing camera can record video at 4K
  • Ready for eSIM technology

Review

Evaluation of Xiaomi Redmi K90 and Vivo X300 crucial features
Display
Screen quality, color accuracy, brightness
Camera
Photo and video recording quality
Performance
CPU and memory performance (apps, system)
Gaming
Capabilities for playing modern games
Battery
Battery life, charging type and speed
Connectivity
Networks, ports, data transmission
Scores with a red asterisk (*) are approximate and may change in the future as we gather more data.
NanoReview Score
Final comparison evaluation
Select your primary usage scenario to get a more accurate NanoReview Score
πŸ“± Primary usage:

Value for money (Beta)

To get an accurate value-for-money index, update the default prices with actual prices from your country’s retailers (for the selected memory configs) and press the "Calculate" button.
Currency
12 / 256 GB
VS
12 / 256 GB
66.5
(Good)
Value Index
41.4
(Average)

Tests and specifications

Comparison table of technical specifications and tests
Phone:
Redmi K90
vs
Vivo X300

Display

Type OLED AMOLED
Size 6.59 inches 6.31 inches
Resolution 1156 x 2510 pixels 1216 x 2640 pixels
Aspect ratio 19.5:9 19.5:9
PPI 419 ppi 460 ppi
Refresh rate 120 Hz 120 Hz
Adaptive refresh rate Yes (60-120 Hz) Yes (1-120 Hz)
Max rated brightness - 2000 nits
Max rated brightness in HDR 3500 nits 4500 nits
HDR support Yes, Dolby Vision Yes, Dolby Vision
Touch sampling rate 480 Hz 300 Hz
Screen protection Xiaomi Dragon Crystal Glass Reinforced Glass
Screen-to-body ratio 89.9% 90.3%
Display features - DCI-P3
- Always-On Display
- DC Dimming		 - DCI-P3
- Always-On Display
- DC Dimming
Display tests
RGB color space - 99.8%
PWM - 360 Hz
Response time - 1 ms
Contrast - ∞ Infinity
Screen space comparison
Redmi K90
6.59β€³ (19.5:9 ratio) = 16.5 in2
Vivo X300
6.31β€³ (19.5:9 ratio) = 15.1 in2
~9% more screen space
Peak brightness test (auto)
Redmi K90
n/a
Vivo X300
2658 nits
Sources: NotebookCheck [3]

Design and build

Height 157.49 mm (6.2 inches) 150.57 mm (5.93 inches)
Width 75.25 mm (2.96 inches) 71.92 mm (2.83 inches)
Thickness 8 mm (0.31 inches) 7.95 mm (0.31 inches)
Weight 206 g (7.27 oz) 190 g (6.7 oz)
Waterproof IP68 IP69
Advanced cooling Vapor chamber Vapor chamber
Rear material - Glass
Frame material Metal Metal
Colors White, Black, Blue, Purple Black, Blue, Red, Pink, Purple
Fingerprint scanner Yes, in-display Yes, in-display
Repairability - Good (3/5)
Drop resistance - Very good (B) Β· 180 drops
Screen-to-body ratio
Redmi K90
89.9%
Vivo X300
90.3%

Performance

Chipset specifications of Xiaomi Redmi K90 and Vivo X300
SoC
Chipset Qualcomm Snapdragon 8 Elite MediaTek Dimensity 9500
Max clock 4470 MHz 4210 MHz
CPU cores 8 (2 + 6) 8 (1 + 3 + 4)
Architecture - 6 cores at 3.53 GHz: Oryon (Phoenix M)
- 2 cores at 4.32 GHz: Oryon (Phoenix L)		 - 4 cores at 2.7 GHz: C1-Pro
- 3 cores at 3.5 GHz: C1-Premium
- 1 core at 4.21 GHz: C1-Ultra
L3 cache 8 MB 16 MB
Manufacturing TSMC TSMC
Lithography process 3 nanometers 3 nanometers
Neural processor (NPU) Hexagon MediaTek NPU 990
GPU
Graphics Adreno 830 Mali-G1 Ultra MP12
GPU shading units 1536 1536
GPU clock 1100 MHz 1716 MHz
FLOPS ~3379.2 GFLOPS ~5271.5 GFLOPS

Benchmarks

Benchmark comparison of Xiaomi Redmi K90 and Vivo X300
Geekbench 6 (Single-Core)
Redmi K90
3001
Vivo X300 +7%
3204
Geekbench 6 (Multi-Core)
Redmi K90
9442
Vivo X300 +5%
9874
Compute Score (GPU)
Redmi K90
25162
Vivo X300 +1%
25501
Compute Score (GPU) 25162 25501
Single-core score 3001 3204
Multi-core score 9442 9874
Sources: Geekbench [3], [4]
AnTuTu Benchmark 11
Redmi K90
3126494
Vivo X300 +7%
3330801
CPU 855427 981387
GPU 1149527 1256247
Memory 475197 364630
UX 646343 728537
Total score 3126494 3330801
Samples [7 tests] [25 tests]
3DMark Steel Nomad Light
Redmi K90
2328
Vivo X300 +34%
3119
Stability - 57%
Graphics test 17 FPS 23 FPS
Graphics score 2328 3119
3DMark Solar Bay
Redmi K90
10874
Vivo X300 +18%
12817
Graphics test 41 FPS 49 FPS
Section 1 47 FPS 56 FPS
Section 2 41 FPS 48 FPS
Section 3 35 FPS 42 FPS
Graphics score 10874 12817
Sources: 3DMark [5], [6]
PCMark 3.0
Redmi K90 +27%
19246
Vivo X300
15165
Web score 21945 14375
Video editing 8458 5995
Photo editing 39118 34571
Data manipulation 16086 12159
Writing score 22647 22695
AnTuTu 11 Ranking List (80th and 54th place)
Submit your benchmark results

Recent User Tests

The latest benchmark tests that have been submitted by users
Xiaomi Redmi K90
DateBenchmarkResult
πŸ“˜ 2026-09-03 (Khao D)AnTuTu 113059889
πŸ“˜ 2026-08-31 (Bahodir)AnTuTu 113143183
πŸ“˜ 2026-07-21 (ThanhTai)AnTuTu 113126494
πŸ“˜ 2026-06-29 -> BaominhAnTuTu 113248037
πŸ“˜ 2026-06-17 (Thien)AnTuTu 113223695
Add View all (10)
Vivo X300
DateBenchmarkResult
πŸ“˜ 2026-09-20 (Forgolka)AnTuTu 123407758
πŸ“˜ 2026-09-19 (Niranjan M)AnTuTu 123402395
πŸ“˜ 2026-09-16 (Asura)CPU Throttle70%
πŸ“˜ 2026-09-07 (Asura)CPU Throttle63%
πŸ“˜ 2026-09-05 (Asura)AnTuTu 123745245
Add View all (35)

Memory

RAM
RAM size 12 GB 12 GB
Memory type LPDDR5X LPDDR5X
Memory clock 5300 MHz 5333 MHz
Channels 4 4
Storage
Storage size 256 GB 256 GB
Storage type UFS 4.1 UFS 4.1
Memory card No No

Software

Operating system Android 16 Android 16
ROM HyperOS 3 OriginOS 6
OS updates - 5 years

Battery

Capacity 7100 mAh 6040 mAh
Max charge power 100 W 90 W
Battery type Silicon-Carbon (Si/C) Silicon-Carbon (Si/C)
Replaceable No No
Wireless charging No Yes (40 W)
Reverse charging Yes Yes, (wireless)
Bypass charging - Yes
Fast charging Yes Yes (67% in 30 min)
Full charging time - 0:48 hr
Battery cycles - 1200 cycles
Battery life tests
Web browsing - 12:36 hr
Watching video - 20:41 hr
Gaming - 07:52 hr
Standby - 107 hr
General battery life
Redmi K90
n/a
Vivo X300
28:23 hr
Add your battery life

Main camera

Matrix 50 megapixels 200 megapixels
Image resolution 8192 x 6144 16320 x 12288
Zoom Optical, 2.5x Optical, 3x
Flash Dual LED Dual LED
Stabilization Optical Optical
8K video recording Up to 30FPS No
4K video recording Up to 60FPS Up to 120FPS
1080p video recording Up to 60FPS Up to 60FPS
Slow motion 960 FPS (1080p) 240 FPS (1080p)
Angle of widest lens 120Β° 119Β°
Lenses 1) Standard: 50 MP
2) Telephoto: 50 MP
3) Ultrawide: 8 MP
1) Standard: 200 MP
2) Telephoto: 50 MP
3) Ultrawide: 50 MP
Camera features - Bokeh mode
- Pro mode		 - Bokeh mode
- Pro mode
Standard lens
Image resolution 50 MP 200 MP
Aperture f/1.9 f/1.68
Focal length - 23 mm
Sensor Omnivision OV50 Light Hunter 800 Samsung ISOCELL HPB
Sensor size 1/1.55" (β‰ˆ 0.65 inch) 1/1.4" (β‰ˆ 0.71 inch)
Pixel size 1 micron 0.56 micron
Autofocus Phase autofocus (Dual Pixel) Laser autofocus
Stabilization Optical Optical
Telephoto lens
Image resolution 50 MP 50 MP
Aperture f/3.0 f/2.6
Focal length - 70 mm
Sensor Omnivision OV50M Sony LYT-602
Sensor size 1/2.76" (β‰ˆ 0.36 inch) 1/1.95" (β‰ˆ 0.51 inch)
Pixel size 0.64 micron 0.8 micron
Stabilization Optical Optical
Ultra-wide lens
Image resolution 8 MP 50 MP
Aperture f/2.2 f/2.0
Focal length - 15 mm
Sensor Omnivision OV08F Samsung S5KJN1
Sensor size - 1/2.76" (β‰ˆ 0.36 inch)
Pixel size - 0.64 micron
Stabilization Digital Digital

Selfie camera

Megapixels 20 megapixels 50 megapixels
Image resolution 5184 x 3888 8192 x 6144
Aperture f/2.2 f/2.0
Focal length - 20 mm
Sensor Omnivision OV20B Samsung S5KJN1
Sensor size 1/4" (β‰ˆ 0.25 inch) 1/2.76" (β‰ˆ 0.36 inch)
Pixel size 0.8 micron 0.64 micron
Autofocus - Phase autofocus
Stabilization Digital Digital
Video resolution 1080p (Full HD) at 60 FPS 2160p (4K) at 60 FPS
Depth sensor (TOF 3D) No No

Connectivity

Wi-Fi standard Wi-Fi 7 (802.11 a/b/g/n/ac/ax/be) Wi-Fi 7 (802.11 a/b/g/n/ac/ax/be)
Wi-Fi features - Dual Band
- Wi-Fi MiMO
- Wi-Fi Direct
- Wi-Fi Hotspot
- Wi-Fi Display		 - Dual Band
- Wi-Fi MiMO
- Wi-Fi Direct
- Wi-Fi Hotspot
- Wi-Fi Display
Bluetooth version 5.4 6.0
Bluetooth features LE LE
USB type USB Type-C USB Type-C
USB version - 3.2
USB features - Charging
- USB-Storage mode
- OTG		 - Charging
- USB-Storage mode
- OTG
DisplayPort - Yes
GPS GPS, GLONASS, Beidou, Galileo, QZSS, NAVIC GPS, GLONASS, Beidou, Galileo, QZSS, NAVIC
NFC* Yes 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 Yes
Hybrid slot No No
5G support Yes Yes

Sound

Speakers Stereo Stereo
Headphone audio jack No No
FM radio No No
Dolby Atmos - No
Speakers test
Max loudness
Redmi K90
n/a
Vivo X300
92.2 dB

Other

Category Flagship Flagship
Announced October 2025 October 2025
Release date October 2025 October 2025
Launch price (MSRP) $370 $799
Sensors - Proximity sensor
- Gyroscope
- Accelerometer
- Ambient light sensor
- Compass
- Fingerprint		 - Proximity sensor
- Gyroscope
- Accelerometer
- Ambient light sensor
- Compass
- Fingerprint
Bundled charger Yes, 100 W Not included
*Disclaimer! NFC, GSM network support, and some other specs can be different depending on the country.

Conclusion

If the camera, gaming, and connectivity are more important to you, then choose the Vivo X300. But if the battery life, software, and design are more of a priority – go for the Xiaomi Redmi K90.

Cast your vote

So, which phone would you choose?
2 (25%)
6 (75%)
Total votes: 8

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