Samsung Galaxy S21 Ultra vs Realme 14T 5G

Compared 2 smartphones : Samsung Galaxy S21 Ultra Manufactured in February, 2021, with display 6.8 with chipsetSamsung Exynos 2100, vs Realme 14T 5G, Manufactured in April, 2025 with chipsetMediaTek Dimensity 6300. Below are specs, tests, pros and cons for each device

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
  • Built-in eSIM
Reasons to choose Realme 14T 5G
  • Lighter design: 196g vs 227g
  • Higher battery capacity: 6000mAh vs 5000mAh
  • Newer Bluetooth version: 5.3 vs 5.2
  • Includes charger

Versions

Available versions and configurations
Memory Options - 12/128 GB
- 12/256 GB
- 12/512 GB
- 16/256 GB
- 16/512 GB
- 8/128 GB
- 8/256 GB
- 12/256 GB

Review

Key Specs Samsung Galaxy S21 Ultra and Realme 14T 5G
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
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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 Dynamic AMOLED AMOLED
Size 6.8 in 6.67 in
Resolution 1440x3200 pixels 1080x2400 pixels
Aspect ratio 20:9 20:9
Pixel density 515 ppi 386 ppi
Refresh rate 120 Hz 120 Hz
Adaptive refresh rate Yes (10-120 Hz) Yes (60-120 Hz)
Max brightness 1500 nits 2100 nits
HDR support Yes HDR10+ No
Screen-to-body ratio 89.5 % 87 %
Features - DCI-P3
- Always-On Display
- DCI-P3
- Always-On Display
- DC dimming
Display test
Peak brightness (auto)
Samsung Galaxy S21 Ultra
1019 nits
Realme 14T 5G
n/a

Design & Build

Design and ergonomics comparison
Height 165.1 mm (6.5 in) 163.15 mm (6.42 in)
Width 75.6 mm (2.98 in) 75.65 mm (2.98 in)
Thickness 8.9 mm (0.35 in) 7.97 mm (0.31 in)
Weight 227 g (8.01 oz) 196 g (6.91 oz)
Water resistance IP68 IP69
Back panel Glass Plastic
Frame Metal Plastic
Colors - Black
- Silver
- Gray
- Blue
- Black
- Green
- Purple
Fingerprint sensor Yes In-Display Yes In-Display
Screen-to-body ratio
Samsung Galaxy S21 Ultra
89.5 %
Realme 14T 5G
87 %

Performance

Testing Samsung Galaxy S21 Ultra and Realme 14T 5G In benchmarks
Processor
Chipset Samsung Exynos 2100 MediaTek Dimensity 6300
Max Frequency 2900 MHz 2400 MHz
CPU Cores 8 (1 + 3 + 4) 8 (2 + 6)
Architecture - 4/2.2 (Cortex-A55)
- 3/2.81 (Cortex-A78)
- 1/2.91 (Cortex-X1)
- 6/2 (Cortex-A55)
- 2/2.4 (Cortex-A76)
Process Samsung TSMC
Transistor Size 5 nm 6 nm
Neural Processor Yes Yes
Graphics Mali-G78 MP14 Mali-G57 MP2
GPU Cores 896 64
GPU Frequency 854 MHz 1072 MHz
FLOPS 1530.4 GFLOPS 137.2 GFLOPS
GeekBench v6
Geekbench 6 (Single-Core)
Samsung Galaxy S21 Ultra
1449
Realme 14T 5G
781
Geekbench 6 (Multi-Core)
Samsung Galaxy S21 Ultra
3892
Realme 14T 5G
1979
Geekbench 6 (Single-Core)1449781
Geekbench 6 (Multi-Core)38921979
Geekbench Compute (GPU)n/a1429
AnTuTu 10
AnTuTu 10
Samsung Galaxy S21 Ultra
843008
Realme 14T 5G
422110
CPU232358128507
GPU25635668704
Memory16300799673
UX191217125226
NanoReview Score843008422110
3DMark Wild Life
3DMark Wild Life
Samsung Galaxy S21 Ultra
5221
Realme 14T 5G
n/a
Max Surface Temp.40.8 °Cn/a
Stability69 %n/a
Graphics Test31 fpsn/a
Graphics Score5221n/a

Memory

RAM
RAM Size - 12 GB
- 16 GB
8 GB
Memory Type LPDDR5 LPDDR4X
Memory Frequency 2750 MHz 2133 MHz
Channels 2 2
Storage
Storage Capacity- 128 GB
- 256 GB
- 512 GB
128 GB
Storage TypeUFS 3.1UFS 2.2
Memory CardNoNo

Software

OS Android 11 (Upgradeable to Android 14) Android 15
OS Size 26.4 GB n/a
UI Skin One UI 6 Realme UI 6.0

Battery

Volume 5000 mAh 6000 mAh
Max Charging Power 25 W 45 W
Battery Type Li-ion Silicon Carbon (Si/C)
Removable No No
Wireless Charging Yes (15 W) No
Reverse Charging Yes (Wireless) No
Fast Charging Yes (54% in 30 min) Yes (50% in 30 min)
Full Charge Time 1:11 h 1:20 h
Battery Life Test
Battery Life
Samsung Galaxy S21 Ultra
22:05
Realme 14T 5G
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 50 MP
Photo resolution 12000x9000 pixels 8192x6144 pixels
Zoom Optical, 10x Digital
Flash Dual LED LED
Stabilization Optical Optical
8K Recording Up to 24FPS No
4K Recording Yes (Up to 60 fps) No
1080p Recording Yes (Up to 60 fps) Yes (Up to 60 fps)
Slow Motion 960 fps (720p) 120 fps (720p)
Wide-angle lens 120 ° n/a
Lenses count Standard: 108 MP
Telephoto: 10 MP
Telephoto: 10 MP
Ultra-wide: 12 MP
Standard: 50 MP
Depth: 2 MP
Features - Bokeh effect
- Pro mode
- RAW support
- Bokeh effect
- Pro mode
Main lens
Matrix108 MP50 MP
Aperturef/1.8f/1.8
Focal length26 mm27 mm
SensorSamsung S5KHM3Omnivision OV50D40 Light Hunter 400
Sensor size1/1.331/2.88
Pixel size0.8 μm0.61 μm
AutofocusLaser autofocusPhase autofocus
StabilizationOpticalOptical
Telephoto
Matrix10 MPn/a
Aperturef/4.9n/a
Focal length240 mmn/a
SensorSamsung S5K3J1n/a
Sensor size1/2.65n/a
Pixel size1.22 μmn/a
StabilizationOpticaln/a
Ultra-wide lens
Matrix12 MPn/a
Aperturef/2.2n/a
Focal length13 mmn/a
SensorSony IMX563n/a
Sensor size1/2.55n/a
Pixel size1.4 μmn/a
StabilizationDigitaln/a
Main camera DxOMark results
Photo quality
Samsung Galaxy S21 Ultra
121
Realme 14T 5G
n/a
Video quality
Samsung Galaxy S21 Ultra
100
Realme 14T 5G
n/a
Overall camera score
Samsung Galaxy S21 Ultra
115
Realme 14T 5G
n/a
Bokeh70n/a
Preview67n/a
Zoom106n/a

Front camera

Matrix 40 MP 16 MP
Photo resolution 7864x5200 pixels 4920x3264 pixels
Aperture f/2.2 f/2.4
Focal length 26 mm 23 mm
Sensor Samsung S5KGH1 Sony IMX480
Sensor size 1/2.65 1/3.09
Pixel size 0.7 μm 1 μm
Autofocus Phase autofocus No
Stabilization Digital Digital
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 S21 Ultra
133
Realme 14T 5G
n/a
Video quality
Samsung Galaxy S21 Ultra
140
Realme 14T 5G
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 MiMO
- Wi-Fi Direct
- Wi-Fi Hotspot
- Wi-Fi Display
Bluetooth version 5.2 5.3
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
- Beidou
- Galileo
- QZSS
NFC* Yes No
Infrared Port No No
Connectivity
SIM Count*22
SIM TypeNanoNano
SIM ModeDual SIM StandbyDual SIM Standby
eSIM Support *YesNo
Hybrid SlotNoNo
2G BandsGSM 850, 900, 1800, 1900 MHzGSM 850/900/1800MHz
3G BandsWCDMA Band 1, 2, 4, 5, 8WCDMA 1/5/8
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 (B1/B3/B5/B8/B40/B41)
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
Realme 14T 5G
n/a

Other

Class Flagship Mid-range
Announced January, 2021 yr April, 2025 yr
Release Date February, 2021 yr April, 2025 yr
Launch Price ($) 1200 n/a
MSRP ($) n/a 215
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 45 W
* Attention! Config, frequencies, NFC, and other specs may vary by region.

Results

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