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Samsung Galaxy S24 Ultra vs Galaxy S20

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Samsung Galaxy S24 Ultra vs Galaxy S20

91 out of 100
Samsung Galaxy S24 Ultra
VS
64 out of 100
Samsung Galaxy S20
Samsung Galaxy S24 Ultra
Samsung Galaxy S20

Here we compared two flagship smartphones: the 6.8-inch Samsung Galaxy S24 Ultra (with Qualcomm Snapdragon 8 Gen 3 (for Galaxy)) that was released on January 17, 2024, against the Samsung Galaxy S20, which is powered by Exynos 9 Octa 990 and came out 4 years before. 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 S24 Ultra
  • The rear camera has a 5x optical zoom
  • 2.9x better performance in AnTuTu Benchmark (1952K versus 664K)
  • Shows 64% longer battery life (26:30 vs 16:07 hours)
  • Has a 0.6 inch larger screen size
  • Comes with 1000 mAh larger battery capacity: 5000 vs 4000 mAh
  • Delivers 78% higher peak brightness (1456 against 820 nits)
  • Has 50% more RAM: 12GB versus 8GB
  • Newer Bluetooth version (v5.3)
  • The phone is 4 years newer
  • Compatible with the latest Wi-Fi 7 wireless networks
  • More recent OS version: Android 14 versus 13
  • Supports higher wattage charging (45W versus 25W)
Reasons to consider the Samsung Galaxy S20
  • Expandable storage via MicroSD card up to 1000GB
  • Slow-motion recording at 960FPS
  • Has 2 SIM card slots
  • 12% higher pixel density (563 vs 501 PPI)
  • Better grip in hands – the body is 9.9 mm narrower
  • Weighs 69 grams less

Review

Evaluation of Samsung Galaxy S24 Ultra and Galaxy S20 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
Choose the importance of each parameter to more accurately identify the smartphone that best meets your particular needs.

Tests and specifications

Comparison table of technical specifications and tests
Phone:
Galaxy S24 Ultra
vs
Galaxy S20

Display

TypeDynamic AMOLEDDynamic AMOLED
Size6.8 inches6.2 inches
Resolution1440 x 3088 pixels1440 x 3200 pixels
Aspect ratio19.5:920:9
PPI501 ppi563 ppi
Refresh rate120 Hz120 Hz
Adaptive refresh rateYes (1-120 Hz)No
Max rated brightness2600 nits800 nits
HDR supportYes, HDR10+Yes, HDR10+
Touch sampling rate240 Hz -
Screen protectionGorilla Glass ArmorCorning Gorilla Glass 6
Screen-to-body ratio88.5%88.5%
Display features - DCI-P3
- Always-On Display
- DC Dimming		 - DCI-P3
- Always-On Display
Display tests
RGB color space99.5%99.8%
PWM480 Hz242 Hz
Response time1 ms8.5 ms
Contrast∞ Infinity∞ Infinity
Peak brightness test (auto)
Galaxy S24 Ultra+78%
1456 nits
Galaxy S20
820 nits

Design and build

Height162.3 mm (6.39 inches)151.7 mm (5.97 inches)
Width79 mm (3.11 inches)69.1 mm (2.72 inches)
Thickness8.6 mm (0.34 inches)7.9 mm (0.31 inches)
Weight232 g (8.18 oz)163 g (5.75 oz)
WaterproofIP68IP68
Advanced coolingVapor chamber -
Rear materialGlassGlass
Frame materialMetalMetal
ColorsBlack, Gray, Blue, Green, Orange, Purple, YellowGray, Blue, Red
Fingerprint scannerYes, in-displayYes, in-display
Screen-to-body ratio

Performance

Tests of Samsung Galaxy S24 Ultra and Samsung Galaxy S20 in the benchmarks
SoC
ChipsetQualcomm Snapdragon 8 Gen 3 (for Galaxy)Samsung Exynos 9 Octa 990
Max clock3390 MHz3020 MHz
CPU cores8 (1 + 3 + 2 + 2)8 (2 + 2 + 4)
Architecture- 2 cores at 2.27 GHz: Cortex-A520
- 2 cores at 2.96 GHz: Cortex-A720
- 3 cores at 3.15 GHz: Cortex-A720
- 1 core at 3.3 GHz: Cortex-X4		- 4 cores at 2 GHz: Cortex-A55
- 2 cores at 2.5 GHz: Cortex-A76
- 2 cores at 2.73 GHz: Exynos M5
L3 cache12 MB2 MB
ManufacturingTSMCSamsung
Lithography process4 nanometers7 nanometers
Neural processor (NPU)HexagonYes
GraphicsAdreno 750Mali-G77 MP11
GPU shading units1536704
GPU clock1000 MHz550 MHz
FLOPS~2774 GFLOPS~1126 GFLOPS

Benchmarks

Geekbench 6 (Single-Core)
Geekbench 6 (Multi-Core)
AnTuTu Benchmark 10
Galaxy S24 Ultra+194%
1952680
Galaxy S20
664929
CPU474941170285
GPU764723227880
Memory400984135567
UX312032131197
Total score1952680664929
Samples[29 tests][9 tests]
3DMark Wild Life Performance
Max surface temperature46.8 °C49.7 °C
Stability53%51%
Graphics test95 FPS25 FPS
Graphics score160264221
PCMark 3.0
Web score182459174
Video editing80006100
Photo editing3651930648
Data manipulation159988356
Writing score2260313052

Memory

RAM
RAM size12 GB8 GB
Memory typeLPDDR5XLPDDR5
Memory clock4200 MHz3200 MHz
Channels42
Storage
Storage size256, 512, 1024 GB128 GB
Storage typeUFS 4.0UFS 3.0
Memory cardNoMicroSD
Memory card max size - Up to 1000 GB

Software

Operating systemAndroid 14 Android 10.0 (Can be upgraded to Android 13)
ROMOne UI 6.1One UI 5.1
OS size28 GB20.1 GB

Battery

Capacity5000 mAh4000 mAh
Max charge power45 W25 W
Battery typeLi-IonLi-Ion
ReplaceableNoNo
Wireless chargingYes (15 W)Yes (15 W)
Reverse chargingYes, (wireless)Yes, (wireless)
Fast chargingYes (69% in 30 min)Yes (100% in 75 min)
Full charging time1:05 hr1:15 hr
Battery life tests
Web browsing10:18 hr06:49 hr
Watching video18:00 hr10:33 hr
Gaming05:51 hr04:30 hr
Standby122 hr69 hr
General battery life
Galaxy S24 Ultra+64%
26:30 hr
Galaxy S20
16:07 hr

Main camera

Matrix200 megapixels12 megapixels
Image resolution16320 x 122404000 x 3000
ZoomOptical, 5xOptical, 1.1x
FlashLEDLED
StabilizationOpticalOptical
8K video recordingUp to 30FPSUp to 24FPS
4K video recordingUp to 120FPSUp to 60FPS
1080p video recordingUp to 240FPSUp to 60FPS
Slow motion240 FPS (1080p)960 FPS (720p)
Angle of widest lens120°120°
Lenses1) Standard: 200 MP
2) Telephoto: 50 MP
3) Telephoto: 12 MP
4) Ultrawide: 12 MP
1) Standard: 12 MP
2) Telephoto: 64 MP
3) Ultrawide: 12 MP
Camera features - Bokeh mode
- Pro mode
- RAW support		 - Bokeh mode
- Pro mode
- RAW support
Standard lens
Image resolution200 MP12 MP
Aperturef/1.7f/1.8
Focal length23 mm26 mm
SensorSamsung ISOCELL HP2Samsung S5K2LD
Sensor size1/1.3"1/1.76"
Pixel size0.6 micron1.8 micron
AutofocusLaser autofocusPhase autofocus (Dual Pixel)
StabilizationOpticalOptical
Telephoto lens
Image resolution50 MP64 MP
Aperturef/3.4f/2.0
Focal length111 mm -
SensorSony IMX854Samsung Bright S5KGW2
Sensor size1/2.52"1/1.72"
Pixel size0.7 micron0.8 micron
StabilizationOpticalOptical
Ultra-wide lens
Image resolution12 MP12 MP
Aperturef/2.2f/2.2
Focal length13 mm13 mm
SensorSony IMX564Samsung S5K2LA
Sensor size1/2.55"1/2.55"
Pixel size1.4 micron1.4 micron
StabilizationDigitalDigital

DxOMark main camera tests

Photo quality
Video quality
Generic main camera score
Bokeh70 -
Preview82 -
Zoom145 -
SamplesPhoto samples of Samsung Galaxy S24 Ultra from DxOMark -

Selfie camera

Megapixels12 megapixels10 megapixels
Image resolution4000 x 30002592 x 3872
Aperturef/2.2f/2.2
Focal length26 mm26 mm
SensorSamsung S5K3LUSamsung S5K3J1
Sensor size1/3.2"1/3.2"
Pixel size1.12 micron1.22 micron
AutofocusPhase autofocus (Dual Pixel)Phase autofocus (Dual Pixel)
StabilizationDigitalDigital
Video resolution2160p (4K) at 60 FPS2160p (4K) at 60 FPS
Depth sensor (TOF 3D)NoNo

Connectivity

Wi-Fi standardWi-Fi 7 (802.11 a/b/g/n/ac/ax/be)Wi-Fi 6 (802.11 b/g/n/ac/ax)
Wi-Fi features - Dual Band
- Wi-Fi MiMO
- Wi-Fi Direct
- Wi-Fi Hotspot
- Wi-Fi Display		 - Wi-Fi Direct
- Wi-Fi Hotspot
- Wi-Fi Display
Bluetooth version5.35
Bluetooth featuresLELE, A2DP
USB typeUSB Type-CUSB Type-C
USB version3.23.1
USB features - Charging
- USB-Storage mode
- OTG		 - Charging
- USB-Storage mode
- OTG
DisplayPortYes, DP 1.2 -
GPSGPS, GLONASS, Beidou, Galileo, QZSSGPS, GLONASS, Beidou, Galileo
NFC*YesYes
Infrared portNoNo
Network
Number of SIM*12
Type of SIM cardNanoNano
Multi SIM mode - Standby
eSIM support*YesYes
Hybrid slotNoYes
LTE Cat*2022
5G supportYesNo

Sound

SpeakersStereoStereo
Headphone audio jackNoNo
FM radioNoNo
Dolby AtmosYesYes
Speakers test
Max loudness

Other

CategoryFlagshipFlagship
AnnouncedJanuary 2024February 2020
Release dateJanuary 2024March 2020
Launch price$1299$999
SAR (head)1.06 W/kg0.28 W/kg
SAR (body)1.3 W/kg1.52 W/kg
Sensors - Hall-effect sensor
- Barometer
- Proximity sensor
- Gyroscope
- Accelerometer
- Ambient light sensor
- Compass
- Fingerprint		 - Barometer
- Proximity sensor
- Gyroscope
- Accelerometer
- Compass
- Fingerprint
Bundled chargerNot included -
Further details
Notes on 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.
*Disclaimer! NFC, GSM network support, and some other specs can be different depending on the country.
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