Samsung Galaxy S24 Ultra vs Samsung Galaxy M51

Compared 2 smartphones : Samsung Galaxy S24 Ultra Manufactured in January, 2024, with display 6.8 with chipsetQualcomm Snapdragon 8 Gen 3 (for Galaxy), vs Samsung Galaxy M51, Manufactured in September, 2020 with chipsetQualcomm Snapdragon 730G. Below are specs, tests, pros and cons for each device

Key Differences

Device key advantages
Reasons to choose Samsung Galaxy S24 Ultra
  • Larger display: 6.8in
  • Higher pixel density: 501ppi
  • Higher refresh rate: 120Hz
  • Newer Bluetooth version: 5.3 vs 5
  • Supports newer USB: 3.2 vs 2
  • Supports DisplayPort
  • Built-in eSIM
Reasons to choose Samsung Galaxy M51
  • Lighter design: 213g vs 232g
  • Higher battery capacity: 7000mAh vs 5000mAh

Versions

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

Review

Key Specs Samsung Galaxy S24 Ultra and Samsung Galaxy M51
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

Display

Display quality comparison
Type Dynamic AMOLED Super AMOLED
Size 6.8 in 6.7 in
Resolution 1440x3088 pixels 1080x2400 pixels
Aspect ratio 19.5:9 20:9
Pixel density 501 ppi 393 ppi
Refresh rate 120 Hz 60 Hz
Adaptive refresh rate Yes (1-120 Hz) No
Max brightness 2600 nits 650 nits
HDR support Yes HDR10+ No
Touch Sampling Rate 240 Hz n/a
Screen-to-body ratio 88.5 % 86.6 %
Features - DCI-P3
- Always-On Display
- DC dimming
Always-On Display
Display test
Peak brightness (auto)
Samsung Galaxy S24 Ultra
1445 nits
Samsung Galaxy M51
675 nits
sRGB gamut99.5 %97.6 %
PWM (Flicker)480 Hz255 Hz
Response time1 ms8 ms
Contrast∞ Infinite∞ Infinite

Design & Build

Design and ergonomics comparison
Height 162.3 mm (6.39 in) 163.9 mm (6.45 in)
Width 79 mm (3.11 in) 76.3 mm (3 in)
Thickness 8.6 mm (0.34 in) 9.5 mm (0.37 in)
Weight 232 g (8.18 oz) 213 g (7.51 oz)
Water resistance IP68 No
Cooling system Vapor chamber n/a
Back panel Glass Plastic
Frame Metal Plastic
Colors - Black
- Gray
- Blue
- Green
- Orange
- Purple
- Yellow
- White
- Black
Fingerprint sensor Yes In-Display Yes In-Button
Screen-to-body ratio
Samsung Galaxy S24 Ultra
88.5 %
Samsung Galaxy M51
86.6 %

Performance

Testing Samsung Galaxy S24 Ultra and Samsung Galaxy M51 In benchmarks
Processor
Chipset Qualcomm Snapdragon 8 Gen 3 (for Galaxy) Qualcomm Snapdragon 730G
Max Frequency 3390 MHz 2200 MHz
CPU Cores 8 (1 + 3 + 2 + 2) 8 (2 + 6)
Architecture - 2/2.27 (Cortex-A520)
- 2/2.96 (Cortex-A720)
- 3/3.15 (Cortex-A720)
- 1/3.3 (Cortex-X4)
- 6/1.8 (Kryo 470 Silver (Cortex-A55))
- 2/2.2 (Kryo 470 Gold (Cortex-A76))
Process TSMC Samsung
Transistor Size 4 nm 8 nm
Neural Processor Hexagon Qualcomm Hexagon 688
Graphics Adreno 750 Adreno 618
GPU Cores 1536 256
GPU Frequency 1000 MHz 700 MHz
FLOPS 2774 GFLOPS 358.4 GFLOPS
GeekBench v6
Geekbench 6 (Single-Core)
Samsung Galaxy S24 Ultra
2271
Samsung Galaxy M51
671
Geekbench 6 (Multi-Core)
Samsung Galaxy S24 Ultra
7119
Samsung Galaxy M51
1799
Geekbench 6 (Single-Core)2271671
Geekbench 6 (Multi-Core)71191799
AnTuTu 10
AnTuTu 10
Samsung Galaxy S24 Ultra
1954703
Samsung Galaxy M51
323135
CPU432608111824
GPU80187066059
Memory41892660319
UX30129984933
NanoReview Score1954703323135
3DMark Wild Life
3DMark Wild Life
Samsung Galaxy S24 Ultra
16056
Samsung Galaxy M51
738
Max Surface Temp.46.8 °C48.2 °C
Stability59 %97 %
Graphics Test96 fps4 fps
Graphics Score16056738
PCMark 3.0
PCMark 3.0
Samsung Galaxy S24 Ultra
18029
Samsung Galaxy M51
n/a
Writing score22590n/a
Web score18325n/a
Video editing8000n/a
Data manipulation15921n/a
NanoReview Score18029n/a

Memory

RAM
RAM Size 12 GB - 6 GB
- 8 GB
Memory Type LPDDR5X LPDDR4X
Memory Frequency 4200 MHz 1866 MHz
Channels 4 2
Storage
Storage Capacity- 256 GB
- 512 GB
- 1024 GB
128 GB
Storage TypeUFS 4.0UFS 2.1
Memory CardNoMicroSD

Software

OS Android 14 Android 10 (Upgradeable to Android 12)
OS Size 28 GB 22 GB
UI Skin One UI 6.1 One UI 4.1

Battery

Volume 5000 mAh 7000 mAh
Max Charging Power 45 W 25 W
Battery Type Li-ion Li-ion
Removable No No
Wireless Charging Yes (15 W) No
Reverse Charging Yes (Wireless) Yes
Fast Charging Yes (69% in 30 min) Yes (35% in 30 min)
Full Charge Time 1:05 h 1:47 h
Battery Life Test
Battery Life
Samsung Galaxy S24 Ultra
26:30
Samsung Galaxy M51
31:29
Web Browsing10:18 h12:03 h
Video Playback18:00 h16:42 h
Games05:51 h06:23 h
Standby Mode122 h171 h

Main camera

Matrix 200 MP 64 MP
Photo resolution 16320x12240 pixels 9248x6920 pixels
Zoom Optical, 5x Digital
Flash LED LED
Stabilization Optical Digital
8K Recording Yes (Up to 30 fps) No
4K Recording Yes (Up to 120 fps) Yes (Up to 30 fps)
1080p Recording Yes (Up to 240 fps) Yes (Up to 30 fps)
Slow Motion 240 fps (1080p) 240 fps (720p)
Wide-angle lens 120 ° 123 °
Lenses count Standard: 200 MP
Telephoto: 50 MP
Telephoto: 12 MP
Ultra-wide: 12 MP
Standard: 64 MP
Ultra-wide: 12 MP
Macro: 5 MP
Depth: 5 MP
Features - Bokeh effect
- Pro mode
- RAW support
- Bokeh effect
- Pro mode
Main lens
Matrix200 MP64 MP
Aperturef/1.7f/1.8
Focal length23 mm26 mm
SensorSamsung ISOCELL HP2Sony IMX682
Sensor size1/1.31/1.7
Pixel size0.6 μm0.8 μm
AutofocusLaser autofocusPhase autofocus
StabilizationOpticalDigital
Telephoto
Matrix50 MPn/a
Aperturef/3.4n/a
Focal length111 mmn/a
SensorSony IMX854n/a
Sensor size1/2.52n/a
Pixel size0.7 μmn/a
StabilizationOpticaln/a
Ultra-wide lens
Matrix12 MP12 MP
Aperturef/2.2f/2.2
Focal length13 mmn/a
SensorSony IMX564Samsung S5K3L6
Sensor size1/2.551/3.1
Pixel size1.4 μm1.12 μm
StabilizationDigitalDigital
Main camera DxOMark results
Photo quality
Samsung Galaxy S24 Ultra
144
Samsung Galaxy M51
n/a
Video quality
Samsung Galaxy S24 Ultra
137
Samsung Galaxy M51
n/a
Overall camera score
Samsung Galaxy S24 Ultra
144
Samsung Galaxy M51
n/a
Bokeh70n/a
Preview82n/a
Zoom145n/a

Front camera

Matrix 12 MP 32 MP
Photo resolution 4000x3000 pixels 6464x4864 pixels
Aperture f/2.2 f/2.2
Focal length 26 mm 26 mm
Sensor Samsung S5K3LU Sony IMX616
Sensor size 1/3.2 1/2.8
Pixel size 1.12 μm 0.8 μm
Autofocus Phase autofocus (Dual Pixel) No
Stabilization Digital Digital
Video resolution 2160p (4K) at 60 fps 2160p (4K) at 60 fps
TOF 3D sensor No No

Connectivity

Wi-Fi version Wi-Fi 7 (802.11 a/b/g/n/ac/ax/be) 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
Bluetooth features LE LE, A2DP
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 n/a
GPS - GPS
- GLONASS
- Beidou
- Galileo
- QZSS
- GPS
- GLONASS
- Beidou
- Galileo
NFC* Yes Yes
Infrared Port No No
Connectivity
SIM Count*12
SIM TypeNanoNano
SIM Moden/aDual SIM Standby
eSIM Support *YesNo
Hybrid SlotNoNo
2G BandsGSM850, GSM900, DCS1800, PCS1900GSM850, GSM900, DCS1800, PCS1900
3G BandsWCDMA B1(2100), B2(1900), B4(AWS), B5(850), B8(900)WCDMA B1 (2100), B2 (1900), B4(AWS), B5(850), B8 (900)
LTE Bands*LTE (B1/B2/B3/B4/B5/B7/B8/B12/B13/B17/B18/B19/B20/B25/B26/B28/B66)LTE (B1/B2/B3/B4/B5/B7/B8/B12/B17/B20/B26/B28/B66)
LTE category2015
5G SupportYesNo

Sound

Speakers Stereo Mono
3.5 mm Jack No Yes
FM Radio No Yes
Dolby Atmos Yes Yes
Speaker Test
Max Volume
Samsung Galaxy S24 Ultra
93 dB
Samsung Galaxy M51
89.9 dB

Other

Class Flagship Mid-range
Announced January, 2024 yr August, 2020 yr
Release Date January, 2024 yr September, 2020 yr
Launch Price ($) 1299 340
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 No n/a

Note

Samsung Galaxy S24 Ultra:

There is a model with two physical SIM cards and no eSIM, and another with one physical SIM card and eSIM support.

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

Results

After analyzing the data, we consider Samsung Galaxy S24 Ultra the clear winner in this comparison.

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