Home Phone comparison Xiaomi Redmi K70 Ultra and Oppo Reno 15 - Which is better?

Xiaomi Redmi K70 Ultra vs Oppo Reno 15

82 out 100
Xiaomi Redmi K70 Ultra
VS
83 out 100
Oppo Reno 15
Xiaomi Redmi K70 Ultra
Oppo Reno 15

Compared 2 smartphones : Xiaomi Redmi K70 Ultra Manufactured in July, 2024, with display 6.67 with chipsetMediaTek Dimensity 9300 Plus, vs Oppo Reno 15, Manufactured in November, 2025with chipsetMediaTek Dimensity 8450. Below are specs, tests, pros and cons for each device

  1. Differences
  2. Review
  3. Specs
  4. Benchmarks
  5. Battery Life
  6. Cameras
  7. Comments (0)

Key Differences

Device key advantages
Reasons to choose Xiaomi Redmi K70 Ultra
  • Larger display: 6.67in
  • Higher refresh rate: 144Hz
Reasons to choose Oppo Reno 15
  • Higher pixel density: 460ppi
  • Lighter design: 187g vs 211g
  • Higher battery capacity: 6200mAh vs 5500mAh
  • Built-in eSIM

Versions

Available versions and configurations
Memory Options - 12/256 GB
- 12/512 GB
- 16/512 GB
- 16/1024 GB
- 24/1024 GB		 - 12/256 GB
- 12/512 GB
- 16/256 GB
- 16/512 GB
- 16/1024 GB

Review

Key Specs Xiaomi Redmi K70 Ultra and Oppo Reno 15
Display
Color accuracy, sharpness & brightness
Camera
Main & front camera tests
Performance
App & system performance
Games
3D gaming performance
Battery
Battery life, charging speed & type
Connectivity
Connectivity features
NanoReview Score
Overall score by NanoReview
Adjust each parameter’s importance to find the best match for you.
Customize your score
Function
Importance (Weight)
Display:
Camera:
Performance:
Gaming:
Battery:
Connectivity:
Higher weight means greater impact on NanoReview score.

Tests & specs

Specs & test comparison
Smartphones:
Xiaomi Redmi K70 Ultra
vs
Oppo Reno 15

Display

Display quality comparison
Type OLED AMOLED
Size 6.67 in 6.32 in
Resolution 1220x2712 pixels 1216x2640 pixels
Aspect ratio 20:9 19.5:9
Pixel density 446 ppi 460 ppi
Refresh rate 144 Hz 120 Hz
Adaptive refresh rate Yes Yes (60-120 Hz)
Max brightness 4000 nits 600 nits
HDR support Yes Dolby Vision Yes, HDR10+
Touch Sampling Rate 480 Hz n/a
Screen-to-body ratio 89.1 % 89.6 %
Features - DCI-P3
- Always-On Display
- DC dimming		 - DCI-P3
- Always-On Display
- DC dimming

Design & Build

Design and ergonomics comparison
Height 160.4 mm (6.31 in) 151.21 mm (5.95 in)
Width 75.1 mm (2.96 in) 72.42 mm (2.85 in)
Thickness 8.4 mm (0.33 in) 7.99 mm (0.31 in)
Weight 211 g (7.44 oz) 187 g (6.6 oz)
Water resistance IP68 IP69
Cooling system Vapor chamber Vapor chamber
Back panel Glass Glass
Frame Metal Metal
Colors - White
- Black
- Green
- Orange
- Purple		 - White
- Gold
- Brown
Fingerprint sensor Yes In-Display Yes, In-Display
Screen-to-body ratio
Xiaomi Redmi K70 Ultra
89.1 %
Oppo Reno 15
89.6 %

Performance

Testing Xiaomi Redmi K70 Ultra and Oppo Reno 15 In benchmarks
Processor
Chipset MediaTek Dimensity 9300 Plus MediaTek Dimensity 8450
Max Frequency 3400 MHz 3250 MHz
CPU Cores 8 (1 + 3 + 4) 8 (1 + 3 + 4)
Architecture - 4/2 (Cortex-A720)
- 3/2.85 (Cortex-X4)
- 1/3.4 (Cortex-X4)		 - 4/2.1 (Cortex-A725)
- 3/3 (Cortex-A725)
- 1/3.25 (Cortex-A725)
Process TSMC TSMC
Transistor Size 4 nm 4 nm
Neural Processor MediaTek APU 790 MediaTek NPU 880
Graphics Mali-G720 Immortalis MP12 Mali-G720 MP7
GPU Cores 1536 896
GPU Frequency 1300 MHz 1300 MHz
FLOPS 3993.6 GFLOPS 2329.6 GFLOPS
GeekBench v6
Geekbench 6 (Single-Core)
Xiaomi Redmi K70 Ultra
2224
Oppo Reno 15
1686
Geekbench 6 (Multi-Core)
Xiaomi Redmi K70 Ultra
7415
Oppo Reno 15
5130
Geekbench 6 (Single-Core)22241686
Geekbench 6 (Multi-Core)74155130
Geekbench Compute (GPU)15810n/a
Sources: Geekbench v6 [Xiaomi Redmi K70 Ultra], [Oppo Reno 15]
AnTuTu 10
AnTuTu 10
Xiaomi Redmi K70 Ultra
2149581
Oppo Reno 15
1368197
CPU502823286007
GPU855638548893
Memory428947267249
UX362173266048
NanoReview Score21495811368197
3DMark Wild Life
3DMark Wild Life
Xiaomi Redmi K70 Ultra
13463
Oppo Reno 15
n/a
Stability70 %n/a
Graphics Test80 fpsn/a
Graphics Score13463n/a
Sources: 3DMark [Xiaomi Redmi K70 Ultra]
PCMark 3.0
PCMark 3.0
Xiaomi Redmi K70 Ultra
15188
Oppo Reno 15
n/a
Writing score17583n/a
Web score15413n/a
Video editing6546n/a
Data manipulation14781n/a
NanoReview Score15188n/a

Memory

RAM
RAM Size - 12 GB
- 16 GB
- 24 GB		 12 GB
Memory Type LPDDR5X LPDDR5X
Memory Frequency 4800 MHz 4266 MHz
Channels 4 4
Storage
Storage Capacity- 256 GB
- 512 GB
- 1024 GB		256 GB
Storage TypeUFS 4.0UFS 3.1
Memory CardNoNo

Software

OS Android 14 Android 16
UI Skin HyperOS 1.0 ColorOS 16

Battery

Volume 5500 mAh 6200 mAh
Max Charging Power 120 W 80 W
Battery Type Li-Po Silicon Carbon (Si/C)
Removable No No
Wireless Charging No No
Reverse Charging No Yes
Fast Charging Yes (50% in 12 min) Yes (73% in 30 min)
Full Charge Time 0:24 h 0:52 h

Main camera

Matrix 50 MP 200 MP
Photo resolution 8192x6144 pixels n/a
Zoom Digital Optical, 3.5x
Flash Dual LED LED
Stabilization Optical Optical
8K Recording Yes (Up to 30 fps) No
4K Recording Yes (Up to 60 fps) Yes (Up to 60 fps)
1080p Recording Yes (Up to 60 fps) Yes (Up to 60 fps)
Slow Motion 960 fps (1080p) 240 fps (1080p)
Wide-angle lens 119 ° 116 °
Lenses count Standard: 50 MP
Ultra-wide: 8 MP
Macro: 2 MP		 Standard: 200 MP
Telephoto: 50 MP
Ultra-wide: 50 MP
Features - Bokeh effect
- Pro mode		 - Bokeh effect
- Pro mode
Main lens
Matrix50 MP200 MP
Aperturef/1.7f/1.8
Focal length23 mm24 mm
SensorSony IMX906n/a
Sensor size1/1.561/1.56 (0.64)
Pixel size1 μm0.5 μm
AutofocusPhase autofocusPhase autofocus
StabilizationOpticalOptical
Telephoto
Matrixn/a50 MP
Aperturen/af/2.8
Focal lengthn/a85 mm
Stabilizationn/aOptical
Ultra-wide lens
Matrix8 MP50 MP
Aperturef/2.2f/2.0
Focal lengthn/a16 mm
SensorSamsung S5KJN1n/a
Sensor size1/4.0n/a
Pixel size1.12 μmn/a
StabilizationDigitalDigital

Front camera

Matrix 20 MP 50 MP
Photo resolution n/a 8192x6144 pixels
Aperture n/a f/2.0
Focal length n/a 18 mm
Sensor Omnivision OV20B n/a
Sensor size 1/2.0 n/a
Autofocus n/a No
Stabilization Digital Digital
Video resolution 1080p (Full HD) at 30 fps 2160p (4K) at 60 fps
TOF 3D sensor No No

Connectivity

Wi-Fi version Wi-Fi 7 (802.11 a/b/g/n/ac/ax) Wi-Fi 6E (802.11 a/b/g/n/ac/ax)
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 5.4
Bluetooth features LE LE
USB type USB Type-C USB Type-C
USB version n/a 2
USB features - Charging
- USB Storage Mode
- OTG		 - Charging
- USB Storage Mode
- OTG
DisplayPort n/a No
GPS - GPS
- GLONASS
- Beidou
- Galileo
- QZSS
- NAVIC		 - GPS
- GLONASS
- Beidou
- Galileo
- QZSS
NFC* Yes Yes
Infrared Port Yes Yes
Connectivity
SIM Count*22
SIM TypeNanoNano
SIM ModeDual SIM StandbyDual SIM Standby
eSIM Support *NoYes
Hybrid SlotNoNo
2G Bandsn/aGSM 850/900/1800MHz
3G Bandsn/aWCDMA 1/4/5/8/19
LTE Bands*n/aLTE (B1/B2/B3/B4/B5/B8/B18/B19/B25/B26/B28/B34/B38/B39/B40/B41/B42/B43/B48/B66)
5G SupportYesYes

Sound

Speakers Stereo n/a
3.5 mm Jack No No
FM Radio n/a No
Dolby Atmos n/a No

Other

Class Flagship Mid-range
Announced July, 2024 yr November, 2025 yr
Release Date July, 2024 yr November, 2025 yr
Launch Price ($) 360 n/a
MSRP ($) n/a 400
Sensors - Proximity Sensor
- Gyroscope
- Accelerometer
- Ambient Light Sensor
- Compass
- Fingerprint sensor		 - Proximity Sensor
- Gyroscope
- Accelerometer
- Ambient Light Sensor
- Compass
- Fingerprint sensor
Charger Included Yes 120 W Yes, 80 W

Note

Xiaomi Redmi K70 Ultra:

Also known as Redmi K70 Extreme Edition in China.

* Attention! Config, frequencies, NFC, and other specs may vary by region.

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