Xiaomi Redmi K100 vs OnePlus Ace 6 Ultra

86 out of 100
Xiaomi Redmi K100
VS
89 out of 100
OnePlus Ace 6 Ultra

Here we compared two flagship smartphones: the 6.83-inch Xiaomi Redmi K100 (with Qualcomm Snapdragon 8 Elite) that was released on October 27, 2026, against the OnePlus Ace 6 Ultra, which is powered by MediaTek Dimensity 9500 and came out 6 months 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

Key differences

An overview of the main advantages of each smartphone
Reasons to consider the Xiaomi Redmi K100
  • Comes with 1400 mAh larger battery capacity: 10000 vs 8600 mAh
  • Slow-motion recording at 960FPS
  • More recent OS version: Android 17 versus 16
  • Supports Dolby Atmos sound technology
Reasons to consider the OnePlus Ace 6 Ultra
  • Newer Bluetooth version (v6.0)
  • Supports higher wattage charging (120W versus 100W)
  • 19% faster in single-core GeekBench 6 test: 3600 and 3024 points

Review

Evaluation of Xiaomi Redmi K100 and OnePlus Ace 6 Ultra 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
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Value for money (Beta)

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Currency
12 / 256 GB
VS
12 / 256 GB
121.4
(Excellent)
Value Index
99.8
(Very good)

Tests and specifications

Comparison table of technical specifications and tests

Display

Type AMOLED AMOLED
Size 6.83 inches 6.78 inches
Resolution 1280 x 2772 pixels 1272 x 2772 pixels
Aspect ratio 19.5:9 19.5:9
PPI 447 ppi 450 ppi
Refresh rate 165 Hz 165 Hz
Adaptive refresh rate Yes (60-120 Hz) Yes
Max rated brightness - 800 nits
Max rated brightness in HDR 3500 nits 1800 nits
HDR support Yes, Dolby Vision Yes, Dolby Vision
Touch sampling rate 480 Hz 300 Hz
Screen protection Tempered glass Crystal Shield Glass
Screen-to-body ratio 90.2% 89.7%
Display features - DCI-P3
- Always-On Display
- DC Dimming
- DCI-P3
- Always-On Display
- DC Dimming

Design and build

Height 162.91 mm (6.41 inches) 162.5 mm (6.4 inches)
Width 77.93 mm (3.07 inches) 77.5 mm (3.05 inches)
Thickness 8.65 mm (0.34 inches) 8.5 mm (0.33 inches)
Weight 234.5 g (8.27 oz) 217 g (7.65 oz)
Waterproof IP69 IP69
Advanced cooling Vapor chamber Vapor chamber
Rear material - Glass
Frame material Metal Metal
Colors White, Black, Green, Purple Black, Gray
Fingerprint scanner Yes, in-display Yes, in-display
Screen-to-body ratio
90.2%
89.7%

Performance

Chipset specifications of Xiaomi Redmi K100 and OnePlus Ace 6 Ultra
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 Redmi D2 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 K100 and OnePlus Ace 6 Ultra
Geekbench 6 (Single-Core)
3024
3600
Geekbench 6 (Multi-Core)
9471
10616
Compute Score (GPU)
Compute Score (GPU) - 25593
Single-core score 3024 3600
Multi-core score 9471 10616
Sources: Geekbench [3], [4]
AnTuTu Benchmark 11
3298726
3429868
CPU 961536 1011104
GPU 1189758 1311664
Memory 484604 383286
UX 662828 723814
Total score 3298726 3429868
Samples Less than 3 Less than 3
AnTuTu 11 Ranking List (69th and 59th place)

Recent User Tests

The latest benchmark tests that have been submitted by users
Xiaomi Redmi K100
No benchmark results yet
OnePlus Ace 6 Ultra
DateBenchmarkResult
📘 2026-09-26 (Ghoul)AnTuTu 123633640

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 17 Android 16
ROM HyperOS 4 ColorOS 16

Battery

Capacity 10000 mAh 8600 mAh
Max charge power 100 W 120 W
Battery type Silicon-Carbon (Si/C) Silicon-Carbon (Si/C)
Replaceable No No
Wireless charging No No
Reverse charging Yes Yes
Bypass charging Yes Yes
Fast charging Yes Yes

Main camera

Matrix 50 megapixels 50 megapixels
Image resolution 8192 x 6144 8192 x 6144
Zoom Digital Digital
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 120° 112°
Lenses 1) Standard: 50 MP
2) Ultrawide: 8 MP
1) Standard: 50 MP
2) Ultrawide: 8 MP
Camera features - Bokeh mode
- Pro mode
- Bokeh mode
- Pro mode
- RAW support
Standard lens
Image resolution 50 MP 50 MP
Aperture f/1.7 f/1.8
Focal length - 23 mm
Sensor size 1/1.55" (≈ 0.65 inch) 1/1.55" (≈ 0.65 inch)
Pixel size 1 micron 1 micron
Autofocus Phase autofocus (Dual Pixel) Phase autofocus
Stabilization Optical Optical
Ultra-wide lens
Image resolution 8 MP 8 MP
Aperture f/2.2 f/2.2
Focal length 15 mm 16 mm
Sensor Omnivision OV08F -
Sensor size 1/4.0" (≈ 0.25 inch) -
Pixel size 1.12 micron 1.12 micron
Stabilization Digital Digital

Selfie camera

Megapixels 20 megapixels 16 megapixels
Image resolution 5184 x 3888 4608 x 3456
Aperture f/2.2 f/2.4
Focal length - 23 mm
Sensor Omnivision OV20B -
Sensor size 1/4" (≈ 0.25 inch) 1/3" (≈ 0.33 inch)
Pixel size 0.8 micron -
Autofocus No No
Stabilization Digital Digital
Video resolution 1080p (Full HD) at 60 FPS 1080p (Full HD) at 30 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 2 2
USB features - Charging
- USB-Storage mode
- OTG
- Charging
- USB-Storage mode
- OTG
DisplayPort No No
GPS GPS, GLONASS, Beidou, Galileo, QZSS, NAVIC GPS, GLONASS, Beidou, Galileo, QZSS
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 No
Hybrid slot No No
5G support Yes Yes

Sound

Speakers Stereo Stereo
Headphone audio jack No No
FM radio No No
Dolby Atmos Yes No

Other

Category Flagship Flagship
Announced October 2026 April 2026
Release date October 2026 April 2026
Launch price (MSRP) $450 $555
Sensors - Proximity sensor
- Gyroscope
- Accelerometer
- Ambient light sensor
- Compass
- Fingerprint
- Proximity sensor
- Gyroscope
- Accelerometer
- Ambient light sensor
- Compass
- Fingerprint
Bundled charger Yes, 100 W Yes, 120 W
*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 OnePlus Ace 6 Ultra. But if the design and sound are more of a priority – go for the Xiaomi Redmi K100.

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