Home Phone comparison Samsung Galaxy S21 Ultra and Honor 400 Pro - Which is better?

Samsung Galaxy S21 Ultra vs Honor 400 Pro

67 out 100
Samsung Galaxy S21 Ultra
VS
84 out 100
Honor 400 Pro
Samsung Galaxy S21 Ultra
Honor 400 Pro

Compared 2 smartphones : Samsung Galaxy S21 Ultra Manufactured in February, 2021, with display 6.8 with chipsetSamsung Exynos 2100, vs Honor 400 Pro, Manufactured in May, 2025with chipsetQualcomm Snapdragon 8 Gen 3. 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 S21 Ultra
  • Larger display: 6.8in
  • Higher pixel density: 515ppi
  • Supports newer USB: 3.2 vs 2
  • Supports Dolby Atmos
Reasons to choose Honor 400 Pro
  • Lighter design: 205g vs 227g
  • Higher battery capacity: 6000mAh vs 5000mAh
  • Newer Bluetooth version: 5.4 vs 5.2
  • Infrared port
  • Includes charger

Versions

Available versions and configurations
Memory Options - 12/128 GB
- 12/256 GB
- 12/512 GB
- 16/256 GB
- 16/512 GB		 - 12/256 GB
- 12/512 GB

Review

Key Specs Samsung Galaxy S21 Ultra and Honor 400 Pro
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 S21 Ultra
vs
Honor 400 Pro

Display

Display quality comparison
Type Dynamic AMOLED AMOLED
Size 6.8 in 6.7 in
Resolution 1440x3200 pixels 1280x2800 pixels
Aspect ratio 20:9 19.5:9
Pixel density 515 ppi 460 ppi
Refresh rate 120 Hz 120 Hz
Adaptive refresh rate Yes (10-120 Hz) Yes
Max brightness 1500 nits n/a
HDR support Yes HDR10+ n/a
Screen-to-body ratio 89.5 % 90 %
Features - DCI-P3
- Always-On Display		 - DCI-P3
- Always-On Display
- DC dimming
Display test
Peak brightness (auto)
Samsung Galaxy S21 Ultra
1019 nits
Honor 400 Pro
n/a
Sources: NotebookCheck [Samsung Galaxy S21 Ultra]

Design & Build

Design and ergonomics comparison
Height 165.1 mm (6.5 in) 160.8 mm (6.33 in)
Width 75.6 mm (2.98 in) 76.1 mm (3 in)
Thickness 8.9 mm (0.35 in) 8.1 mm (0.32 in)
Weight 227 g (8.01 oz) 205 g (7.23 oz)
Water resistance IP68 n/a
Cooling system n/a Vapor chamber
Back panel Glass n/a
Frame Metal Metal
Colors - Black
- Silver
- Gray
- Blue		 - Black
- Gray
- Blue
Fingerprint sensor Yes In-Display Yes In-Display
Screen-to-body ratio
Samsung Galaxy S21 Ultra
89.5 %
Honor 400 Pro
90 %

Performance

Testing Samsung Galaxy S21 Ultra and Honor 400 Pro In benchmarks
Processor
Chipset Samsung Exynos 2100 Qualcomm Snapdragon 8 Gen 3
Max Frequency 2900 MHz 3000 MHz
CPU Cores 8 (1 + 3 + 4) 8 (1 + 3 + 2 + 2)
Architecture - 4/2.2 (Cortex-A55)
- 3/2.81 (Cortex-A78)
- 1/2.91 (Cortex-X1)		 - 2/2.27 (Cortex-A520)
- 2/2.96 (Cortex-A720)
- 3/3.15 (Cortex-A720)
- 1/3.3 (Cortex-X4)
Process Samsung TSMC
Transistor Size 5 nm 4 nm
Neural Processor Yes Hexagon
Graphics Mali-G78 MP14 Adreno 750
GPU Cores 896 1536
GPU Frequency 854 MHz n/a
FLOPS 1530.4 GFLOPS 2774 GFLOPS
GeekBench v6
Geekbench 6 (Single-Core)
Samsung Galaxy S21 Ultra
1449
Honor 400 Pro
2110
Geekbench 6 (Multi-Core)
Samsung Galaxy S21 Ultra
3892
Honor 400 Pro
6408
Geekbench 6 (Single-Core)14492110
Geekbench 6 (Multi-Core)38926408
Geekbench Compute (GPU)n/a14352
Sources: Geekbench v6 [Honor 400 Pro]
AnTuTu 10
AnTuTu 10
Samsung Galaxy S21 Ultra
843008
Honor 400 Pro
1939360
CPU232358468854
GPU256356775461
Memory163007370578
UX191217324467
NanoReview Score8430081939360
3DMark Wild Life
3DMark Wild Life
Samsung Galaxy S21 Ultra
5221
Honor 400 Pro
n/a
Max Surface Temp.40.8 °Cn/a
Stability69 %n/a
Graphics Test31 fpsn/a
Graphics Score5221n/a
Sources: 3DMark [Samsung Galaxy S21 Ultra]

Memory

RAM
RAM Size - 12 GB
- 16 GB		 12 GB
Memory Type LPDDR5 LPDDR5X
Memory Frequency 2750 MHz 4800 MHz
Channels 2 4
Storage
Storage Capacity- 128 GB
- 256 GB
- 512 GB		256 GB
Storage TypeUFS 3.1UFS 4.0
Memory CardNon/a

Software

OS Android 11 (Upgradeable to Android 14) Android 15
OS Size 26.4 GB n/a
UI Skin One UI 6 MagicOS 9

Battery

Volume 5000 mAh 6000 mAh
Max Charging Power 25 W 100 W
Battery Type Li-ion Silicon Carbon
Removable No No
Wireless Charging Yes (15 W) Yes (50 W)
Reverse Charging Yes (Wireless) n/a
Fast Charging Yes (54% in 30 min) Yes (51% in 15 min)
Full Charge Time 1:11 h 0:45 h
Battery Life Test
Battery Life
Samsung Galaxy S21 Ultra
22:05
Honor 400 Pro
n/a
Web Browsing07:58 hn/a
Video Playback13:59 hn/a
Games05:14 hn/a
Standby Mode111 hn/a

Main camera

Matrix 108 MP 200 MP
Photo resolution 12000x9000 pixels n/a
Zoom Optical, 10x Optical, 3x
Flash Dual LED Dual LED
Stabilization Optical Optical
8K Recording Up to 24FPS n/a
4K Recording Yes (Up to 60 fps) Yes (Up to 30 fps)
1080p Recording Yes (Up to 60 fps) Yes (Up to 60 fps)
Slow Motion 960 fps (720p) n/a
Wide-angle lens 120 ° 112 °
Lenses count Standard: 108 MP
Telephoto: 10 MP
Telephoto: 10 MP
Ultra-wide: 12 MP		 Standard: 200 MP
Telephoto: 50 MP
Ultra-wide: 12 MP
Depth: 2 MP
Features - Bokeh effect
- Pro mode
- RAW support		 - Bokeh effect
- Pro mode
Main lens
Matrix108 MP200 MP
Aperturef/1.8f/1.9
Focal length26 mmn/a
SensorSamsung S5KHM3Samsung ISOCELL HP3
Sensor size1/1.331/1.4
Pixel size0.8 μm0.56 μm
AutofocusLaser autofocusPhase autofocus
StabilizationOpticalOptical
Telephoto
Matrix10 MP50 MP
Aperturef/4.9f/2.4
Focal length240 mmn/a
SensorSamsung S5K3J1n/a
Sensor size1/2.651/2
Pixel size1.22 μm0.8 μm
StabilizationOpticalOptical
Ultra-wide lens
Matrix12 MP12 MP
Aperturef/2.2f/2.2
Focal length13 mmn/a
SensorSony IMX563n/a
Sensor size1/2.55n/a
Pixel size1.4 μmn/a
StabilizationDigitalDigital
Main camera DxOMark results
Photo quality
Samsung Galaxy S21 Ultra
121
Honor 400 Pro
n/a
Video quality
Samsung Galaxy S21 Ultra
100
Honor 400 Pro
n/a
Overall camera score
Samsung Galaxy S21 Ultra
115
Honor 400 Pro
n/a
Bokeh70n/a
Preview67n/a
Zoom106n/a
Sources: DxOMark [Samsung Galaxy S21 Ultra]

Front camera

Matrix 40 MP 50 MP
Photo resolution 7864x5200 pixels 8192x6144 pixels
Aperture f/2.2 f/2.1
Focal length 26 mm n/a
Sensor Samsung S5KGH1 n/a
Sensor size 1/2.65 n/a
Pixel size 0.7 μm 0.64 μm
Autofocus Phase autofocus Phase autofocus
Stabilization Digital Digital
Video resolution 2160p (4K) at 60 fps 2160p (4K) at 30 fps
TOF 3D sensor No No
Selfie camera DxOMark results
Photo quality
Samsung Galaxy S21 Ultra
133
Honor 400 Pro
n/a
Video quality
Samsung Galaxy S21 Ultra
140
Honor 400 Pro
n/a

Connectivity

Wi-Fi version Wi-Fi 6E (802.11 a/b/g/n/ac/ax) 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 5.2 5.4
Bluetooth features LE, A2DP LE
USB type USB Type-C USB Type-C
USB version 3.2 2
USB features - Charging
- USB Storage Mode
- USB-Host mode
- OTG		 - Charging
- USB Storage Mode
- OTG
DisplayPort n/a No
GPS - GPS
- GLONASS
- Beidou
- Galileo		 - GPS
- GLONASS
- Galileo
- QZSS
NFC* Yes Yes
Infrared Port No Yes
Connectivity
SIM Count*22
SIM TypeNanoNano
SIM ModeDual SIM StandbyDual SIM Standby
eSIM Support *YesYes
Hybrid SlotNoNo
2G BandsGSM 850, 900, 1800, 1900 MHzn/a
3G BandsWCDMA Band 1, 2, 4, 5, 8n/a
LTE Bands*LTE (B1/B2/B3/B4/B5/B7/B8/B12/B13/B17/B18/B19/B20/B25/B26/B28/B32/B38/B39/B40/B41/B66)
LTE category24n/a
5G SupportYesYes

Sound

Speakers Stereo n/a
3.5 mm Jack No No
FM Radio No No
Dolby Atmos Yes n/a
Speaker Test
Max Volume
Samsung Galaxy S21 Ultra
88 dB
Honor 400 Pro
n/a

Other

Class Flagship Flagship
Announced January, 2021 yr May, 2025 yr
Release Date February, 2021 yr May, 2025 yr
Launch Price ($) 1200 n/a
MSRP ($) n/a 799
Sensors - Hall Sensor
- Barometer
- Proximity Sensor
- Gyroscope
- Accelerometer
- Ambient Light Sensor
- Compass
- Fingerprint sensor		 - Proximity Sensor
- Gyroscope
- Accelerometer
- Ambient Light Sensor
- Compass
- Fingerprint sensor
Charger Included n/a Yes 100 W
* Attention! Config, frequencies, NFC, and other specs may vary by region.

Results

After analyzing the data, we consider Honor 400 Pro the clear winner in this comparison.

Survey

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Total Votes: 2

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