Home Phone comparison Samsung Galaxy S23 Ultra and Xiaomi Redmi A5 4G - Which is better?

Samsung Galaxy S23 Ultra vs Xiaomi Redmi A5 4G

81 out 100
Samsung Galaxy S23 Ultra
VS
52 out 100
Xiaomi Redmi A5 4G
Samsung Galaxy S23 Ultra
Xiaomi Redmi A5 4G

Compared 2 smartphones : Samsung Galaxy S23 Ultra Manufactured in February, 2023, with display 6.8 with chipsetSnapdragon 8 Gen 2 Mobile Platform for Galaxy, vs Xiaomi Redmi A5 4G, Manufactured in March, 2025with chipsetUnisoc T7250. 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 Samsung Galaxy S23 Ultra
  • Higher pixel density: 500ppi
  • Newer Bluetooth version: 5.3 vs 5.2
  • Supports newer USB: 3.2 vs 2
  • Supports DisplayPort
  • Supports Dolby Atmos
  • Built-in eSIM
Reasons to choose Xiaomi Redmi A5 4G
  • Larger display: 6.88in
  • Lighter design: 193g vs 233g
  • Higher battery capacity: 5200mAh vs 5000mAh

Versions

Available versions and configurations
Memory Options - 8/256 GB
- 12/256 GB
- 12/512 GB
- 12/1024 GB		 - 3/64 GB
- 4/64 GB
- 4/128 GB
- 6/128 GB

Review

Key Specs Samsung Galaxy S23 Ultra and Xiaomi Redmi A5 4G
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:
Galaxy S23 Ultra
vs
Xiaomi Redmi A5 4G

Display

Display quality comparison
Type Dynamic AMOLED IPS LCD
Size 6.8 in 6.88 in
Resolution 1440x3088 pixels 720x1640 pixels
Aspect ratio 19.3:9 20:9
Pixel density 500 ppi 260 ppi
Refresh rate 120 Hz 120 Hz
Adaptive refresh rate Yes (1-120 Hz) Yes (60-120 Hz)
Max brightness 850 nits n/a
HDR support Yes HDR10+ No
Touch Sampling Rate 240 Hz n/a
Screen-to-body ratio 89.5 % 85.8 %
Features - DCI-P3
- Always-On Display		 n/a
Display test
Peak brightness (auto)
Samsung Galaxy S23 Ultra
1269 nits
Xiaomi Redmi A5 4G
n/a
sRGB gamut96.9 %n/a
PWM (Flicker)240 Hzn/a
Response time2 msn/a
Contrast∞ Infiniten/a
Sources: NotebookCheck [Samsung Galaxy S23 Ultra]

Design & Build

Design and ergonomics comparison
Height 163.4 mm (6.43 in) 171.17 mm (6.74 in)
Width 78.1 mm (3.07 in) 77.8 mm (3.06 in)
Thickness 8.9 mm (0.35 in) 8.26 mm (0.33 in)
Weight 233 g (8.22 oz) 193 g (6.81 oz)
Water resistance IP68 No
Cooling system Vapor chamber n/a
Back panel Glass Plastic
Frame Metal Plastic
Colors - White
- Black
- Gray
- Blue
- Green
- Red
- Purple		 - Black
- Gold
- Blue
- Green
Fingerprint sensor Yes In-Display Yes In-Button
Screen-to-body ratio
Samsung Galaxy S23 Ultra
89.5 %
Xiaomi Redmi A5 4G
85.8 %

Performance

Testing Samsung Galaxy S23 Ultra and Xiaomi Redmi A5 4G In benchmarks
Processor
Chipset Snapdragon 8 Gen 2 Mobile Platform for Galaxy Unisoc T7250
Max Frequency 3360 MHz 1800 MHz
CPU Cores 8 (1 + 2 + 2 + 3) 8 (2 + 6)
Architecture - 3/2 (Cortex-A510)
- 2/2.8 (Cortex-A710)
- 2/2.8 (Cortex-A715)
- 1/3.2 (Cortex-X3)		 - 6/1.6 (Cortex-A55)
- 2/1.8 (Cortex-A75)
Process TSMC TSMC
Transistor Size 4 nm 12 nm
Neural Processor Hexagon No
Graphics Adreno 740 Mali-G57 MP1
GPU Cores 1536 32
GPU Frequency 719 MHz 850 MHz
FLOPS 2089 GFLOPS 54.4 GFLOPS
GeekBench v6
Geekbench 6 (Single-Core)
Samsung Galaxy S23 Ultra
1976
Xiaomi Redmi A5 4G
441
Geekbench 6 (Multi-Core)
Samsung Galaxy S23 Ultra
5221
Xiaomi Redmi A5 4G
1496
Geekbench 6 (Single-Core)1976441
Geekbench 6 (Multi-Core)52211496
Geekbench Compute (GPU)n/a708
Sources: Geekbench v6 [Xiaomi Redmi A5 4G]
AnTuTu 10
AnTuTu 10
Samsung Galaxy S23 Ultra
1541246
Xiaomi Redmi A5 4G
263913
CPU37108491026
GPU60073230797
Memory29900475780
UX27046266310
NanoReview Score1541246263913
3DMark Wild Life
3DMark Wild Life
Samsung Galaxy S23 Ultra
12160
Xiaomi Redmi A5 4G
n/a
Max Surface Temp.34.8 °Cn/a
Stability64 %n/a
Graphics Test72 fpsn/a
Graphics Score12160n/a
Sources: 3DMark [Samsung Galaxy S23 Ultra]
PCMark 3.0
PCMark 3.0
Samsung Galaxy S23 Ultra
16130
Xiaomi Redmi A5 4G
n/a
Writing score19799n/a
Web score16101n/a
Video editing7815n/a
Data manipulation13142n/a
NanoReview Score16130n/a

Memory

RAM
RAM Size - 8 GB
- 12 GB		 - 3 GB
- 4 GB
- 6 GB
Memory Type LPDDR5X LPDDR4X
Memory Frequency 4200 MHz 1866 MHz
Channels 4 2
Storage
Storage Capacity- 256 GB
- 512 GB
- 1024 GB		- 64 GB
- 128 GB
- 256 GB
Storage TypeUFS 4.0eMMC 5.1
Memory CardNoMicroSD

Software

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

Battery

Volume 5000 mAh 5200 mAh
Max Charging Power 45 W 15 W
Battery Type Li-ion Li-Po
Removable No No
Wireless Charging Yes (15 W) No
Reverse Charging Yes (Wireless) No
Fast Charging Yes (68% in 30 min) Yes (23% in 30 min)
Full Charge Time 0:59 h 2:30 h
Battery Life Test
Battery Life
Samsung Galaxy S23 Ultra
26:01
Xiaomi Redmi A5 4G
n/a
Web Browsing09:57 hn/a
Video Playback15:38 hn/a
Games06:22 hn/a
Standby Mode130 hn/a

Main camera

Matrix 200 MP 32 MP
Photo resolution 16320x12240 pixels n/a
Zoom Optical, 10x Digital
Flash LED LED
Stabilization Optical Digital
8K Recording Yes (Up to 30 fps) No
4K Recording Yes (Up to 60 fps) No
1080p Recording Yes (Up to 120 fps) Yes (Up to 30 fps)
Slow Motion 960 fps (1080p) n/a
Wide-angle lens 120 ° n/a
Lenses count Standard: 200 MP
Telephoto: 10 MP
Telephoto: 10 MP
Ultra-wide: 12 MP		 Standard: 32 MP
Depth
Features - Bokeh effect
- Pro mode
- RAW support		 - Bokeh effect
- Pro mode
Main lens
Matrix200 MP32 MP
Aperturef/1.7f/2.0
Focal length23 mmn/a
SensorSamsung ISOCELL HP2n/a
Sensor size1/1.3n/a
Pixel size0.64 μmn/a
AutofocusLaser autofocusPhase autofocus
StabilizationOpticalDigital
Telephoto
Matrix10 MPn/a
Aperturef/4.9n/a
Focal length230 mmn/a
SensorSony IMX754n/a
Sensor size1/3.52n/a
Pixel size1.12 μmn/a
StabilizationOpticaln/a
Ultra-wide lens
Matrix12 MPn/a
Aperturef/2.2n/a
Focal length13 mmn/a
SensorSony IMX564n/a
Sensor size1/2.55n/a
Pixel size1.4 μmn/a
StabilizationDigitaln/a
Main camera DxOMark results
Photo quality
Samsung Galaxy S23 Ultra
139
Xiaomi Redmi A5 4G
n/a
Video quality
Samsung Galaxy S23 Ultra
137
Xiaomi Redmi A5 4G
n/a
Overall camera score
Samsung Galaxy S23 Ultra
140
Xiaomi Redmi A5 4G
n/a
Bokeh70n/a
Preview73n/a
Zoom141n/a
Sources: DxOMark [Samsung Galaxy S23 Ultra]

Front camera

Matrix 12 MP 8 MP
Photo resolution 4000x3000 pixels n/a
Aperture f/2.2 f/2.0
Focal length 26 mm n/a
Sensor Samsung S5K3LU CMOS
Sensor size 1/3.24 n/a
Pixel size 1.12 μm n/a
Autofocus Phase autofocus No
Stabilization Digital No
Video resolution 2160p (4K) at 60 fps 1080p (Full HD) at 30 fps
TOF 3D sensor No No
Selfie camera DxOMark results
Photo quality
Samsung Galaxy S23 Ultra
139
Xiaomi Redmi A5 4G
n/a
Video quality
Samsung Galaxy S23 Ultra
145
Xiaomi Redmi A5 4G
n/a

Connectivity

Wi-Fi version Wi-Fi 6E (802.11 a/b/g/n/ac/ax) Wi-Fi 5 (802.11 a/b/g/n/ac)
Wi-Fi features - Dual Band
- Wi-Fi MiMO
- Wi-Fi Direct
- Wi-Fi Hotspot
- Wi-Fi Display		 - Dual Band
- Wi-Fi Direct
- Wi-Fi Hotspot
- Wi-Fi Display
Bluetooth version 5.3 5.2
Bluetooth features LE LE
USB type USB Type-C USB Type-C
USB version 3.2 2
USB features - Charging
- USB Storage Mode
- OTG		 - Charging
- USB Storage Mode
DisplayPort Yes DP 1.2 No
GPS - GPS
- GLONASS
- Beidou
- Galileo
- QZSS		 - GPS
- GLONASS
- Beidou
- Galileo
NFC* Yes No
Infrared Port No No
Connectivity
SIM Count*12
SIM TypeNanoNano
SIM ModeDual SIM StandbyDual SIM Standby
eSIM Support *YesNo
Hybrid SlotNoNo
2G Bandsn/aGSM 2/3/5/8
3G Bandsn/aWCDMA B1/5/82G
LTE Bands*n/aLTE (B1/B3/B5/B7/B8/B20/B28/B38/B40/B41)
LTE category20n/a
5G SupportYesNo

Sound

Speakers Stereo n/a
3.5 mm Jack No Yes
FM Radio No Yes
Dolby Atmos Yes No
Speaker Test
Max Volume
Samsung Galaxy S23 Ultra
91.8 dB
Xiaomi Redmi A5 4G
n/a

Other

Class Flagship Budget
Announced February, 2023 yr March, 2025 yr
Release Date February, 2023 yr March, 2025 yr
Launch Price ($) 1199 129
Sensors - Hall Sensor
- Barometer
- Proximity Sensor
- Gyroscope
- Accelerometer
- Ambient Light Sensor
- Compass
- Fingerprint sensor		 - Accelerometer
- Ambient Light Sensor
- Compass
- Fingerprint sensor
Charger Included No n/a
* 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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