Home News Phone Reviews Video

Samsung Galaxy S21 Ultra vs S21 Plus

Source： Date：

Samsung Galaxy S21 Ultra vs S21 Plus

76 out of 100
Samsung Galaxy S21 Ultra
VS
73 out of 100
Samsung Galaxy S21 Plus
Samsung Galaxy S21 Ultra
Samsung Galaxy S21 Plus

Here we compared two flagship smartphones: the 6.8-inch Samsung Galaxy S21 Ultra (with Exynos 2100) that was released on January 14, 2021, against the Samsung Galaxy S21 Plus, which is powered by the same chip. On this page, you will find tests, full specs, strengths, and weaknesses of each of the devices.

  1. Differences
  2. Review
  3. Specs
  4. Benchmarks
  5. Battery life
  6. Camera
  7. Comments

Key differences

An overview of the main advantages of each smartphone
Reasons to consider the Samsung Galaxy S21 Ultra
  • The rear camera has a 10x optical zoom
  • 31% higher pixel density (515 vs 394 PPI)
  • Newer Bluetooth version (v5.2)
  • Delivers 15% higher peak brightness (1023 against 888 nits)
Reasons to consider the Samsung Galaxy S21 Plus
  • Weighs 27 grams less

Review

Evaluation of Samsung Galaxy S21 Ultra and S21 Plus crucial features
Display
Screen quality, color accuracy, brightness
Camera
Photo and video recording quality
Performance
CPU and memory performance (apps, system)
Gaming
Capabilities for playing modern games
Battery
Battery life, charging type and speed
Connectivity
Networks, ports, data transmission
NanoReview Score
Final comparison evaluation

Value for money

Tests and specifications

Comparison table of technical specifications and tests
Phone:
Galaxy S21 Ultra
vs
Galaxy S21 Plus

Display

Type Dynamic AMOLED Dynamic AMOLED
Size 6.8 inches 6.7 inches
Resolution 1440 x 3200 pixels 1080 x 2400 pixels
Aspect ratio 20:9 20:9
PPI 515 ppi 394 ppi
Refresh rate 120 Hz 120 Hz
Adaptive refresh rate Yes No
Max rated brightness 1500 nits 1300 nits
HDR support Yes, HDR10+ Yes, HDR10+
Screen protection Gorilla Glass Victus Gorilla Glass Victus
Screen-to-body ratio 89.8% 88.3%
Display features - DCI-P3
- Always-On Display 		- DCI-P3
- Always-On Display
Display tests
RGB color space - 98.9%
PWM - 240 Hz
Response time - 6.2 ms
Contrast - ∞ Infinity
Peak brightness test (auto)

Design and build

Height 165.1 mm (6.5 inches) 161.5 mm (6.36 inches)
Width 75.6 mm (2.98 inches) 75.6 mm (2.98 inches)
Thickness 8.9 mm (0.35 inches) 7.8 mm (0.31 inches)
Weight 227 g (8.01 oz) 200 g (7.05 oz)
Waterproof IP68 IP68
Rear material Glass Glass
Frame material Metal Metal
Colors Black, Silver, Gray, Blue Black, Silver, Gold, Red, Purple
Fingerprint scanner Yes, in-display Yes, in-display
Screen-to-body ratio

Performance

Tests of Samsung Galaxy S21 Ultra and Samsung Galaxy S21 Plus in the benchmarks
SoC
Chipset Samsung Exynos 2100 Samsung Exynos 2100
Max clock 2840 MHz 2840 MHz
CPU cores 8 (1 + 3 + 4) 8 (1 + 3 + 4)
Architecture - 4 cores at 2.2 GHz: Cortex-A55
- 3 cores at 2.81 GHz: Cortex-A78
- 1 core at 2.91 GHz: Cortex-X1 		- 4 cores at 2.2 GHz: Cortex-A55
- 3 cores at 2.81 GHz: Cortex-A78
- 1 core at 2.91 GHz: Cortex-X1
Lithography process 5 nanometers 5 nanometers
Graphics Mali-G78 MP14 Mali-G78 MP14
GPU shading units 896 896
GPU clock 854 MHz 854 MHz
FLOPS ~1530.4 GFLOPS ~1530.4 GFLOPS

Benchmarks

Geekbench 6 (Single-Core)
Geekbench 6 (Multi-Core)
AnTuTu Benchmark 10
CPU 236566 244088
GPU 255535 269299
Memory 157504 159004
UX 183564 164833
Total score 833650 839148
3DMark Wild Life Performance
Max surface temperature 40.8 °C 41.5 °C
Stability 69% 67%
Graphics test 31 FPS 33 FPS
Graphics score 5221 5538

Memory

RAM
RAM size 12, 16 GB 8 GB
Memory type LPDDR5 LPDDR5
Memory clock 2750 MHz 2750 MHz
Channels 2 2
Storage
Storage size 128, 256, 512 GB 128, 256 GB
Storage type UFS 3.1 UFS 3.1
Memory card No No

Software

Operating system Android 11 (Can be upgraded to Android 13) Android 11 (Can be upgraded to Android 13)
ROM One UI 5.1 One UI 5.1
OS size 26.4 GB 27.2 GB

Battery

Capacity 5000 mAh 4800 mAh
Max charge power 25 W 25 W
Battery type Li-Ion Li-Ion
Replaceable No No
Wireless charging Yes (15 W) Yes (15 W)
Reverse charging Yes, (wireless) Yes, (wireless)
Fast charging Yes (54% in 30 min) Yes (54% in 30 min)
Full charging time 1:11 hr 1:12 hr
Battery life tests
Web browsing 10:13 hr 09:17 hr
Watching video 15:32 hr 15:27 hr
Gaming 05:26 hr 05:07 hr
Standby 98 hr 101 hr
General battery life

Camera

Specs and camera test of smartphones
Main camera
Matrix 108 megapixels 12 megapixels
Image resolution 12000 x 9000 4000 x 3000
Zoom Optical, 10x Optical, 1.1x
Flash Dual LED Dual LED
Stabilization Optical Optical
8K video recording Up to 24FPS Up to 24FPS
4K video recording Up to 60FPS Up to 60FPS
1080p video recording Up to 60FPS Up to 60FPS
Slow motion 960 FPS (720p) 960 FPS (720p)
Angle of widest lens 120° 120°
Lenses 4 (108 MP + 10 MP + 10 MP + 12 MP) 3 (12 MP + 64 MP + 12 MP)
Wide (main) lens - 108 MP
- Aperture: f/1.8
- Focal length: 26 mm
- Pixel size: 0.8 micron
- Sensor: 1/1.33", Samsung S5KHM3 (ISOCELL Plus CMOS)
- Laser autofocus
- Optical stabilization
- 12 MP
- Aperture: f/1.8
- Focal length: 26 mm
- Pixel size: 1.8 micron
- Sensor: 1/1.76", Sony IMX555 (Exmor-RS CMOS)
- Phase autofocus (Dual Pixel)
- Optical stabilization
Telephoto lens - 10 MP
- Aperture: f/4.9
- Focal length: 240 mm
- Pixel size: 1.22 micron
- Sensor: 1/2.65", Samsung S5K3J1 (ISOCELL CMOS)
- Phase autofocus (Dual Pixel)
- Optical stabilization
- 64 MP
- Aperture: f/2.0
- Focal length: 28 mm
- Pixel size: 0.8 micron
- Sensor: 1/1.72", Samsung Bright S5KGW2 (ISOCELL Plus CMOS)
- Phase autofocus (Dual Pixel)
- Optical stabilization
Ultra-wide lens - 12 MP
- Aperture: f/2.2
- Focal length: 13 mm
- Pixel size: 1.4 micron
- Sensor: 1/2.55", Sony IMX563 (Exmor-RS CMOS)
- Phase autofocus (Dual Pixel)
- 12 MP
- Aperture: f/2.2
- Focal length: 13 mm
- Pixel size: 1.4 micron
- Sensor: 1/2.55", Sony IMX563 (Exmor-RS CMOS)
- Phase autofocus (Dual Pixel)
Camera features - Bokeh mode
- Pro mode
- RAW support 		- Bokeh mode
- Pro mode
- RAW support
Samples Photo samples of Samsung Galaxy S21 Ultra from DxOMark Photo samples of Samsung Galaxy S21 Plus from DxOMark
Selfie camera
Megapixels 40 megapixels 10 megapixels
Image resolution 7864 x 5200 3872 x 2592
Aperture f/2.2 f/2.2
Focal length 26 mm 26 mm
Pixel size 0.7 microns 1.22 microns
Sensor type ISOCELL CMOS Exmor-RS CMOS
Sensor size 1/2.65" 1/3.24"
Video resolution 2160p (4K) at 60 FPS 2160p (4K) at 60 FPS

DxOMark camera tests

Photo quality
Video quality
Generic camera score

Connectivity

Wi-Fi standard Wi-Fi 6E (802.11 a/b/g/n/ac/ax) Wi-Fi 6 (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 5.2 5
Bluetooth features LE, A2DP LE, A2DP
USB type USB Type-C USB Type-C
USB version 3.2 3.2
USB features - Charging
- USB-Storage mode
- USB-Host mode
- OTG 		- Charging
- USB-Storage mode
- USB-Host mode
- OTG
GPS GPS, GLONASS, Beidou, Galileo GPS, GLONASS, Beidou, Galileo
NFC * Yes Yes
Infrared port No No
Network
Number of SIM * 2 2
Type of SIM card Nano Nano
Multi SIM mode Standby Standby
eSIM support * Yes Yes
Hybrid slot No No
LTE Cat * 24 24
5G support Yes Yes

Sound

Speakers Stereo Stereo
Headphone audio jack No No
FM radio No No
Dolby Atmos Yes Yes
Speakers test
Max loudness

Other

Category Flagship Flagship
Announced January 2021 January 2021
Release date February 2021 February 2021
SAR (head) 0.71 W/kg 0.54 W/kg
SAR (body) 1.58 W/kg 1.33 W/kg
Sensors - Hall-effect sensor
- Barometer
- Proximity sensor
- Gyroscope
- Accelerometer
- Ambient light sensor
- Compass
- Fingerprint 		- Hall-effect sensor
- Barometer
- Proximity sensor
- Gyroscope
- Accelerometer
- Ambient light sensor
- Compass
- Fingerprint
* Disclaimer! NFC, GSM network support, and some other specs can be different depending on the country.

Conclusion

These smartphones have a lot in common, but we would recommend the Samsung Galaxy S21 Ultra . It has a better display and camera.

Related recommendations
Scroll to Top