Xiaomi Redmi A3 vs Samsung Galaxy S26 Ultra

Compared 2 smartphones : Xiaomi Redmi A3 Manufactured in February, 2024, with display 6.71 with chipsetMediaTek Helio G36, vs Samsung Galaxy S26 Ultra, Manufactured in March, 2026 with chipsetQualcomm Snapdragon 8 Elite Gen 5. Below are specs, tests, pros and cons for each device

Key Differences

Device key advantages
Reasons to choose Xiaomi Redmi A3
  • Lighter design: 199g vs 214g
  • Includes charger
Reasons to choose Samsung Galaxy S26 Ultra
  • Larger display: 6.9in
  • Higher pixel density: 500ppi
  • Higher refresh rate: 120Hz
  • Newer Bluetooth version: 6.0 vs 5.4
  • Supports newer USB: 3.2 vs 2
  • Supports DisplayPort
  • Supports Dolby Atmos
  • Built-in eSIM

Versions

Available versions and configurations
Memory Options - 2/64 GB
- 3/64 GB
- 3/128 GB
- 4/64 GB
- 4/128 GB
- 6/128 GB
- 12/256 GB
- 12/512 GB
- 16/1024 GB

Review

Key Specs Xiaomi Redmi A3 and Samsung Galaxy S26 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.
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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 6.71 in 6.9 in
Resolution 720x1650 pixels 1440x3120 pixels
Aspect ratio 20:9 19.5:9
Pixel density 268 ppi 500 ppi
Refresh rate 90 Hz 120 Hz
Adaptive refresh rate No Yes (1-120 Hz)
Max brightness 420 nits 1500 nits
HDR support No Yes, HDR10+
Touch Sampling Rate n/a 240 Hz
Screen-to-body ratio 84.6 % 91.4 %
Features n/a - DCI-P3
- Always-On Display
- DC dimming
Display test
Peak brightness (auto)
Xiaomi Redmi A3
357 nits
Samsung Galaxy S26 Ultra
2811 nits
sRGB gamut95.1 %n/a
Response time40 msn/a
Contrast1314:1n/a

Design & Build

Design and ergonomics comparison
Height 168.3 mm (6.63 in) 163.6 mm (6.44 in)
Width 76.3 mm (3 in) 78.1 mm (3.07 in)
Thickness 8.32 mm (0.33 in) 7.9 mm (0.31 in)
Weight 199 g (7.02 oz) 214 g (7.55 oz)
Water resistance No IP68
Cooling system n/a Vapor chamber
Back panel Plastic Glass
Frame Plastic Metal
Colors - Black
- Blue
- Green
- White
- Black
- Silver
- Blue
- Pink
- Purple
Fingerprint sensor Yes In-Button Yes, In-Display
Screen-to-body ratio
Xiaomi Redmi A3
84.6 %
Samsung Galaxy S26 Ultra
91.4 %

Performance

Testing Xiaomi Redmi A3 and Samsung Galaxy S26 Ultra In benchmarks
Processor
Chipset MediaTek Helio G36 Qualcomm Snapdragon 8 Elite Gen 5
Max Frequency 2200 MHz 4740 MHz
CPU Cores 8 (4 + 4) 8 (2 + 6)
Architecture - 4/1.8 (Cortex-A53)
- 4/2.2 (Cortex-A53)
- 6/3.63 (Oryon Gen 3 Performance)
- 2/4.61 (Oryon Gen 3 Prime)
Process TSMC TSMC
Transistor Size 12 nm 3 nm
Neural Processor No Hexagon
Graphics PowerVR GE8320 Adreno 840
GPU Cores 32 1536
GPU Frequency 680 MHz 1200 MHz
FLOPS 43.5 GFLOPS 3686.4 GFLOPS
GeekBench v6
Geekbench 6 (Single-Core)
Xiaomi Redmi A3
230
Samsung Galaxy S26 Ultra
3753
Geekbench 6 (Multi-Core)
Xiaomi Redmi A3
840
Samsung Galaxy S26 Ultra
11259
Geekbench 6 (Single-Core)2303753
Geekbench 6 (Multi-Core)84011259
Geekbench Compute (GPU)n/a28787
AnTuTu 10
AnTuTu 10
Xiaomi Redmi A3
153983
Samsung Galaxy S26 Ultra
3720219
CPU553401094797
GPU107491447696
Memory42864425113
UX45030752613
NanoReview Score1539833720219

Memory

RAM
RAM Size - 3 GB
- 4 GB
- 6 GB
12 GB
Memory Type LPDDR4X LPDDR5X
Memory Frequency 1600 MHz n/a
Channels 2 4
Storage
Storage Capacity- 64 GB
- 128 GB
256 GB
Storage TypeeMMC 5.1UFS 4.1
Memory CardMicroSDNo

Software

OS Android 14 Android 16
OS Size 19 GB n/a
UI Skin MIUI Go Edition One UI 8.5

Battery

Volume 5000 mAh 5000 mAh
Max Charging Power 10 W 60 W
Battery Type Li-ion Li-ion
Removable No No
Wireless Charging No Yes (25 W)
Reverse Charging No Yes, (Wireless)
Fast Charging No Yes (84% in 30 min)
Full Charge Time 2:40 h 0:43 h
Battery Life Test
Battery Life
Xiaomi Redmi A3
n/a
Samsung Galaxy S26 Ultra
28:50
Web Browsingn/a10:12 h
Video Playbackn/a21:39 h
Gamesn/a06:42 h
Standby Moden/a130 h

Main camera

Matrix 8 MP 200 MP
Photo resolution 3264x2448 pixels 16320x12240 pixels
Zoom Digital 141
Flash LED LED
Stabilization Digital Optical
8K Recording No Yes (Up to 30 fps)
4K Recording No Yes (Up to 120 fps)
1080p Recording Yes (Up to 30 fps) Yes (Up to 240 fps)
Slow Motion No 240 fps (1080p)
Wide-angle lens n/a 120 °
Lenses count Standard: 8 MP
Depth: 0.08 MP
Standard: 200 MP
Telephoto: 50 MP
Telephoto: 10 MP
Ultra-wide: 50 MP
Features Bokeh effect - Bokeh effect
- Pro mode
- RAW support
Main lens
Matrix8 MP200 MP
Aperturef/2.0f/1.4
Focal lengthn/a23 mm
Sensorn/aSamsung ISOCELL S5KHP2
Sensor sizen/a1/1.3 (0.77)
Pixel sizen/a0.6 μm
AutofocusPhase autofocusLaser autofocus
StabilizationDigitalOptical
Telephoto
Matrixn/a50 MP
Aperturen/af/2.9
Focal lengthn/a111 mm
Sensorn/aSony IMX854
Sensor sizen/a1/2.52 (0.4)
Pixel sizen/a0.7 μm
Stabilizationn/aOptical
Ultra-wide lens
Matrixn/a50 MP
Aperturen/af/1.9
Focal lengthn/a13 mm
Sensorn/aSamsung ISOCELL S5KJN3
Sensor sizen/a1/2.5 (0.4)
Pixel sizen/a0.7 μm
Stabilizationn/aDigital
Main camera DxOMark results
Photo quality
Xiaomi Redmi A3
n/a
Samsung Galaxy S26 Ultra
160
Video quality
Xiaomi Redmi A3
n/a
Samsung Galaxy S26 Ultra
153
Overall camera score
Xiaomi Redmi A3
n/a
Samsung Galaxy S26 Ultra
157
Bokehn/a165

Front camera

Matrix 5 MP 12 MP
Photo resolution 2592x1944 pixels 4000x3000 pixels
Aperture f/2.2 f/2.2
Focal length n/a 23 mm
Sensor CMOS Samsung ISOCELL S5K3LU
Sensor size n/a 1/3.2 (0.31)
Pixel size n/a 1.12 μm
Autofocus No Phase autofocus (Dual Pixel)
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 5 (802.11 a/b/g/n/ac) Wi-Fi 7 (802.11 a/b/g/n/ac/ax/be)
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 5.4 6.0
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 No Yes
GPS - GPS
- GLONASS
- Beidou
- Galileo
- GPS
- GLONASS
- Beidou
- Galileo
- QZSS
NFC* No Yes
Infrared Port No No
Connectivity
SIM Count*21
SIM TypeNanoNano
SIM ModeDual SIM StandbyDual SIM Standby
eSIM Support *NoYes
Hybrid SlotNoNo
2G BandsGSM B2, B3, B5, B8GSM850, GSM900, DCS1800, PCS1900
3G BandsWCDMA B1, B5, B8UMTS B1(2100), B2(1900), B4(AWS), B5(850), B8(900)
LTE Bands*LTE (B1/B3/B5/B7/B8/B20/B28)LTE (B1/B2/B3/B4/B5/B7/B8/B12/B13/B14/B18/B19/B20/B25/B26/B28/B29/B30/B38/B39/B40/B41/B48/B66/B71)
LTE category4n/a
5G SupportNoYes

Sound

Speakers Mono n/a
3.5 mm Jack Yes No
FM Radio Yes No
Dolby Atmos No Yes
Speaker Test
Max Volume
Xiaomi Redmi A3
78.8 dB
Samsung Galaxy S26 Ultra
n/a

Other

Class Budget Flagship
Announced February, 2024 yr February, 2026 yr
Release Date February, 2024 yr March, 2026 yr
Launch Price ($) 80 n/a
MSRP ($) n/a 1299
Sensors - Accelerometer
- Ambient Light Sensor
- Fingerprint sensor
- Hall Sensor
- Barometer
- Proximity Sensor
- Gyroscope
- Accelerometer
- Ambient Light Sensor
- Compass
- Fingerprint sensor
Charger Included Yes 10 W No

Note

Xiaomi Redmi A3:

The smartphone in green color is 7 grams lighter than the others.

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

Results

After analyzing the data, we consider Samsung Galaxy S26 Ultra the clear winner in this comparison.

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