Xiaomi Poco C65 vs Samsung Galaxy S23 Ultra

Compared 2 smartphones : Xiaomi Poco C65 Manufactured in November, 2023, with display 6.74 with chipsetMediaTek Helio G85, vs Samsung Galaxy S23 Ultra, Manufactured in February, 2023with chipsetSnapdragon 8 Gen 2 Mobile Platform for Galaxy. Below are specs, tests, pros and cons for each device

Key Differences

Device key advantages
Reasons to choose Xiaomi Poco C65
  • Lighter design: 192g vs 233g
  • Includes charger
Reasons to choose Samsung Galaxy S23 Ultra
  • Larger display: 6.8in
  • Higher pixel density: 500ppi
  • Higher refresh rate: 120Hz
  • Supports newer USB: 3.2 vs 2
  • Supports DisplayPort
  • Supports Dolby Atmos
  • Built-in eSIM

Versions

Available versions and configurations
Memory Options - 4/128 GB
- 6/128 GB
- 8/256 GB
- 8/256 GB
- 12/256 GB
- 12/512 GB
- 12/1024 GB

Review

Key Specs Xiaomi Poco C65 and Samsung Galaxy S23 Ultra
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

Display

Display quality comparison
Type IPS LCD Dynamic AMOLED
Size 6.74 in 6.8 in
Resolution 720x1600 pixels 1440x3088 pixels
Aspect ratio 20:9 19.3:9
Pixel density 260 ppi 500 ppi
Refresh rate 90 Hz 120 Hz
Adaptive refresh rate No Yes (1-120 Hz)
Max brightness 600 nits 850 nits
HDR support No Yes HDR10+
Touch Sampling Rate n/a 240 Hz
Screen-to-body ratio 83.7 % 89.5 %
Features n/a - DCI-P3
- Always-On Display
Display test
Peak brightness (auto)
Xiaomi Poco C65
601 nits
Samsung Galaxy S23 Ultra
1269 nits
sRGB gamutn/a96.9 %
PWM (Flicker)n/a240 Hz
Response timen/a2 ms
Contrastn/a∞ Infinite

Design & Build

Design and ergonomics comparison
Height 168 mm (6.61 in) 163.4 mm (6.43 in)
Width 78 mm (3.07 in) 78.1 mm (3.07 in)
Thickness 8.09 mm (0.32 in) 8.9 mm (0.35 in)
Weight 192 g (6.77 oz) 233 g (8.22 oz)
Water resistance No IP68
Cooling system n/a Vapor chamber
Back panel Plastic Glass
Frame Plastic Metal
Colors - Black
- Blue
- Purple
- White
- Black
- Gray
- Blue
- Green
- Red
- Purple
Fingerprint sensor Yes In-Button Yes In-Display
Screen-to-body ratio
Xiaomi Poco C65
83.7 %
Samsung Galaxy S23 Ultra
89.5 %

Performance

Testing Xiaomi Poco C65 and Samsung Galaxy S23 Ultra In benchmarks
Processor
Chipset MediaTek Helio G85 Snapdragon 8 Gen 2 Mobile Platform for Galaxy
Max Frequency 2000 MHz 3360 MHz
CPU Cores 8 (2 + 6) 8 (1 + 2 + 2 + 3)
Architecture - 6/1.8 (Cortex-A55)
- 2/2 (Cortex-A75)
- 3/2 (Cortex-A510)
- 2/2.8 (Cortex-A710)
- 2/2.8 (Cortex-A715)
- 1/3.2 (Cortex-X3)
Process TSMC TSMC
Transistor Size 12 nm 4 nm
Neural Processor Yes Hexagon
Graphics Mali-G52 MP2 Adreno 740
GPU Cores 48 1536
GPU Frequency 1000 MHz 719 MHz
FLOPS 96 GFLOPS 2089 GFLOPS
GeekBench v6
Geekbench 6 (Single-Core)
Xiaomi Poco C65
416
Samsung Galaxy S23 Ultra
1976
Geekbench 6 (Multi-Core)
Xiaomi Poco C65
1155
Samsung Galaxy S23 Ultra
5221
Geekbench 6 (Single-Core)4161976
Geekbench 6 (Multi-Core)11555221
Geekbench Compute (GPU)1132n/a
AnTuTu 10
AnTuTu 10
Xiaomi Poco C65
265260
Samsung Galaxy S23 Ultra
1541246
CPU77673371084
GPU41935600732
Memory68823299004
UX76829270462
NanoReview Score2652601541246
3DMark Wild Life
3DMark Wild Life
Xiaomi Poco C65
n/a
Samsung Galaxy S23 Ultra
12160
Max Surface Temp.n/a34.8 °C
Stabilityn/a64 %
Graphics Testn/a72 fps
Graphics Scoren/a12160
PCMark 3.0
PCMark 3.0
Xiaomi Poco C65
n/a
Samsung Galaxy S23 Ultra
16130
Writing scoren/a19799
Web scoren/a16101
Video editingn/a7815
Data manipulationn/a13142
NanoReview Scoren/a16130

Memory

RAM
RAM Size - 6 GB
- 8 GB
- 8 GB
- 12 GB
Memory Type LPDDR4X LPDDR5X
Memory Frequency 1800 MHz 4200 MHz
Channels 2 4
Storage
Storage Capacity- 128 GB
- 256 GB
- 256 GB
- 512 GB
- 1024 GB
Storage TypeeMMC 5.1UFS 4.0
Memory CardMicroSDNo

Software

OS Android 13 (Upgradeable to Android 15) Android 13 (Upgradeable to Android 14)
OS Size n/a 39.9 GB
UI Skin HyperOS 2.0 One UI 6.1

Battery

Volume 5000 mAh 5000 mAh
Max Charging Power 18 W 45 W
Battery Type Li-Po Li-ion
Removable No No
Wireless Charging No Yes (15 W)
Reverse Charging No Yes (Wireless)
Fast Charging Yes (28% in 30 min) Yes (68% in 30 min)
Full Charge Time 2:09 h 0:59 h
Battery Life Test
Battery Life
Xiaomi Poco C65
25:42
Samsung Galaxy S23 Ultra
26:01
Web Browsing08:24 h09:57 h
Video Playback13:39 h15:38 h
Games04:35 h06:22 h
Standby Mode153 h130 h

Main camera

Matrix 50 MP 200 MP
Photo resolution n/a 16320x12240 pixels
Zoom Digital Optical, 10x
Flash LED LED
Stabilization Digital Optical
8K Recording No Yes (Up to 30 fps)
4K Recording No Yes (Up to 60 fps)
1080p Recording Yes (Up to 30 fps) Yes (Up to 120 fps)
Slow Motion n/a 960 fps (1080p)
Wide-angle lens n/a 120 °
Lenses count Standard: 50 MP
Macro: 2 MP
Standard: 200 MP
Telephoto: 10 MP
Telephoto: 10 MP
Ultra-wide: 12 MP
Features - Bokeh effect
- Pro mode
- Bokeh effect
- Pro mode
- RAW support
Main lens
Matrix50 MP200 MP
Aperturef/1.8f/1.7
Focal length28 mm23 mm
SensorSamsung S5KJN1Samsung ISOCELL HP2
Sensor size1/2.761/1.3
Pixel size0.64 μm0.64 μm
AutofocusPhase autofocusLaser autofocus
StabilizationDigitalOptical
Telephoto
Matrixn/a10 MP
Aperturen/af/4.9
Focal lengthn/a230 mm
Sensorn/aSony IMX754
Sensor sizen/a1/3.52
Pixel sizen/a1.12 μm
Stabilizationn/aOptical
Ultra-wide lens
Matrixn/a12 MP
Aperturen/af/2.2
Focal lengthn/a13 mm
Sensorn/aSony IMX564
Sensor sizen/a1/2.55
Pixel sizen/a1.4 μm
Stabilizationn/aDigital
Main camera DxOMark results
Photo quality
Xiaomi Poco C65
n/a
Samsung Galaxy S23 Ultra
139
Video quality
Xiaomi Poco C65
n/a
Samsung Galaxy S23 Ultra
137
Overall camera score
Xiaomi Poco C65
n/a
Samsung Galaxy S23 Ultra
140
Bokehn/a70
Previewn/a73
Zoomn/a141

Front camera

Matrix 8 MP 12 MP
Photo resolution n/a 4000x3000 pixels
Aperture f/2.0 f/2.2
Focal length n/a 26 mm
Sensor CMOS Samsung S5K3LU
Sensor size n/a 1/3.24
Pixel size n/a 1.12 μm
Autofocus No Phase autofocus
Stabilization Digital Digital
Video resolution 1080p (Full HD) at 30 fps 2160p (4K) at 60 fps
TOF 3D sensor No No
Selfie camera DxOMark results
Photo quality
Xiaomi Poco C65
n/a
Samsung Galaxy S23 Ultra
139
Video quality
Xiaomi Poco C65
n/a
Samsung Galaxy S23 Ultra
145

Connectivity

Wi-Fi version Wi-Fi 5 (802.11 a/b/g/n/ac) Wi-Fi 6E (802.11 a/b/g/n/ac/ax)
Wi-Fi features - Dual Band
- 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 5.3 5.3
Bluetooth features LE LE
USB type USB Type-C USB Type-C
USB version 2 3.2
USB features - Charging
- USB Storage Mode
- OTG
- Charging
- USB Storage Mode
- OTG
DisplayPort n/a Yes DP 1.2
GPS - GPS
- GLONASS
- Beidou
- Galileo
- GPS
- GLONASS
- Beidou
- Galileo
- QZSS
NFC* Yes Yes
Infrared Port No No
Connectivity
SIM Count*21
SIM TypeNanoNano
SIM ModeDual SIM StandbyDual SIM Standby
eSIM Support *NoYes
Hybrid SlotNoNo
2G BandsGSM 2/3/5/8n/a
3G BandsWCDMA 1/2/4/5/8n/a
LTE Bands*LTE (B1/B2/B3/B4/B5/B7/B8/B20/B28/B38/B40/B41/B66)n/a
LTE category720
5G SupportNoYes

Sound

Speakers Mono Stereo
3.5 mm Jack Yes No
FM Radio Yes No
Dolby Atmos No Yes
Speaker Test
Max Volume
Xiaomi Poco C65
n/a
Samsung Galaxy S23 Ultra
91.8 dB

Other

Class Budget Flagship
Announced November, 2023 yr February, 2023 yr
Release Date November, 2023 yr February, 2023 yr
Launch Price ($) 90 1199
Sensors - Accelerometer
- Ambient Light Sensor
- Compass
- Fingerprint sensor
- Hall Sensor
- Barometer
- Proximity Sensor
- Gyroscope
- Accelerometer
- Ambient Light Sensor
- Compass
- Fingerprint sensor
Charger Included Yes 10 W No
* Attention! Config, frequencies, NFC, and other specs may vary by region.

Results

After analyzing the data, we consider Samsung Galaxy S23 Ultra the clear winner in this comparison.

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