Samsung Galaxy S24 (Snapdragon) vs Note 20
Here we compared two flagship smartphones: the 6.2-inch Samsung Galaxy S24 (Snapdragon) (with Qualcomm Snapdragon 8 Gen 3) that was released on January 17, 2024, against the Samsung Galaxy Note 20, which is powered by Exynos 990 and came out 3 years and 6 months before. On this page, you will find tests, full specs, strengths, and weaknesses of each of the devices.
Key differences
Reasons to consider the Samsung Galaxy S24 (Snapdragon)
- 2.5x better performance in AnTuTu Benchmark (1951K versus 776K)
- Higher display refresh rate – 120 Hz
- Delivers 125% higher peak brightness (1403 against 624 nits)
- Better camera quality (According to DxOMark rating)
- Newer Bluetooth version (v5.3)
- The phone is 3 years and 6 months newer
- More recent OS version: Android 14 versus 13
Reasons to consider the Samsung Galaxy Note 20
- Has a 0.5 inch larger screen size
- Comes with 300 mAh larger battery capacity: 4300 vs 4000 mAh
- Has 2 SIM card slots
Review
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
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 testsDisplay
| Type | Dynamic AMOLED | Super AMOLED |
| Size | 6.2 inches | 6.7 inches |
| Resolution | 1080 x 2340 pixels | 1080 x 2400 pixels |
| Aspect ratio | 19.5:9 | 20:9 |
| PPI | 416 ppi | 393 ppi |
| Refresh rate | 120 Hz | 60 Hz |
| Adaptive refresh rate | Yes (24-120 Hz) | No |
| Max rated brightness | 2600 nits | 600 nits |
| HDR support | Yes, HDR10+ | Yes, HDR10+ |
| Screen protection | Gorilla Glass Victus 2 | Corning Gorilla Glass 5 |
| Screen-to-body ratio | 90.9% | 89.1% |
| Display features | - DCI-P3 - Always-On Display | - DCI-P3 - Always-On Display |
| RGB color space | - | 99.9% |
| PWM | - | 250 Hz |
| Response time | - | 6.4 ms |
| Contrast | - | ∞ Infinity |
Peak brightness test (auto)
Design and build
| Height | 147 mm (5.79 inches) | 161.6 mm (6.36 inches) |
| Width | 70.6 mm (2.78 inches) | 75.2 mm (2.96 inches) |
| Thickness | 7.6 mm (0.3 inches) | 8.3 mm (0.33 inches) |
| Weight | 167 g (5.89 oz) | 192 g (6.77 oz) |
| Waterproof | IP68 | IP68 |
| Advanced cooling | Vapor chamber | Vapor chamber |
| Rear material | Glass | Plastic |
| Frame material | Metal | Metal |
| Colors | Black, Gray, Blue, Green, Orange, Purple, Yellow | Black, Green, Brown |
| Fingerprint scanner | Yes, in-display | Yes, in-display |
Screen-to-body ratio
Performance
| Chipset | Qualcomm Snapdragon 8 Gen 3 | Samsung Exynos 990 |
| Max clock | 3300 MHz | 2730 MHz |
| CPU cores | 8 (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 cache | 12 MB | 2 MB |
| Manufacturing | TSMC | Samsung |
| Lithography process | 4 nanometers | 7 nanometers |
| Neural processor (NPU) | Hexagon | Yes |
| Graphics | Adreno 750 | Mali-G77 MP11 |
| GPU shading units | 1536 | 704 |
| GPU clock | 903 MHz | 550 MHz |
| FLOPS | ~2774 GFLOPS | ~1126 GFLOPS |
Benchmarks
Geekbench 6 (Single-Core)
Geekbench 6 (Multi-Core)
AnTuTu Benchmark 10
| CPU | 459276 | 225316 |
| GPU | 815023 | 239949 |
| Memory | 369015 | 146041 |
| UX | 308612 | 164839 |
| Total score | 1951926 | 776145 |
| Samples | [7 tests] | [3 tests] |
3DMark Wild Life Performance
| Max surface temperature | - | 38.6 °C |
| Stability | 47% | 88% |
| Graphics test | 104 FPS | 25 FPS |
| Graphics score | 17532 | 4317 |
PCMark 3.0
| Web score | 18173 | 8175 |
| Video editing | 7983 | 5766 |
| Photo editing | 35737 | 29681 |
| Data manipulation | 16376 | 7622 |
| Writing score | 21521 | 12486 |
Memory
| RAM size | 8 GB | 8 GB |
| Memory type | LPDDR5X | LPDDR5 |
| Memory clock | 4266 MHz | 2400 MHz |
| Channels | 4 | 2 |
| Storage size | 128, 256, 512 GB | 256 GB |
| Storage type | UFS 4.0 | UFS 3.1 |
| Memory card | No | No |
Software
| Operating system | Android 14 | Android 10 (Can be upgraded to Android 13) |
| ROM | One UI 6.1 | One UI 5.0 |
| OS size | 24.1 GB | 35 GB |
Battery
| Capacity | 4000 mAh | 4300 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 (59% in 30 min) | Yes (50% in 30 min) |
| Full charging time | 1:15 hr | 1:05 hr |
| Web browsing | 07:07 hr | 07:01 hr |
| Watching video | 15:32 hr | 12:33 hr |
| Gaming | 05:03 hr | 04:55 hr |
| Standby | 83 hr | 96 hr |
General battery life
Main camera
| Matrix | 50 megapixels | 12 megapixels |
| Image resolution | 8160 x 6120 | 4000 x 3000 |
| Zoom | Optical, 3x | Optical, 3x |
| Flash | LED | Dual LED |
| Stabilization | Optical | Optical |
| 8K video recording | Up to 30FPS | Up to 24FPS |
| 4K video recording | Up to 60FPS | Up to 60FPS |
| 1080p video recording | Up to 60FPS | Up to 240FPS |
| Slow motion | 240 FPS (1080p) | 240 FPS (1080p) |
| Angle of widest lens | 120° | 120° |
| Lenses | 1) Standard: 50 MP 2) Telephoto: 10 MP 3) 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 |
| Image resolution | 50 MP | 12 MP |
| Aperture | f/1.8 | f/1.8 |
| Focal length | 24 mm | 26 mm |
| Sensor | Samsung ISOCELL GN3 | Sony IMX555 |
| Sensor size | 1/1.56" | 1/1.76" |
| Pixel size | 1 micron | 1.8 micron |
| Autofocus | Phase autofocus (Dual Pixel) | Phase autofocus (Dual Pixel) |
| Stabilization | Optical | Optical |
| Image resolution | 10 MP | 64 MP |
| Aperture | f/2.4 | f/2.0 |
| Focal length | 67 mm | 27 mm |
| Sensor | Samsung ISOCELL 3K1 | Samsung Bright S5KGW2 |
| Sensor size | 1/3.94" | 1/1.72" |
| Pixel size | 1 micron | 0.8 micron |
| Stabilization | Optical | Optical |
| Image resolution | 12 MP | 12 MP |
| Aperture | f/2.2 | f/2.2 |
| Focal length | 13 mm | - |
| Sensor | Sony IMX564 | Samsung S5K2LA |
| Sensor size | 1/2.55" | 1/2.55" |
| Pixel size | 1.4 micron | 1.4 micron |
| Stabilization | Digital | Digital |
DxOMark main camera tests
Photo quality
Video quality
Generic main camera score
| Bokeh | 65 | - |
| Preview | 69 | - |
| Zoom | 135 | - |
| Samples | Photo samples of Samsung Galaxy S24 (Snapdragon) from DxOMark | Photo samples of Samsung Galaxy Note 20 from DxOMark |
Selfie camera
| Megapixels | 12 megapixels | 10 megapixels |
| Image resolution | 4000 x 3000 | 3872 x 2592 |
| Aperture | f/2.2 | f/2.2 |
| Focal length | 26 mm | 26 mm |
| Sensor | Samsung S5K3LU | Sony IMX374 |
| Sensor size | 1/3.2" | 1/3.2" |
| Pixel size | 1.12 micron | 1.22 micron |
| Autofocus | Phase autofocus | Phase autofocus (Dual Pixel) |
| Stabilization | Digital | Digital |
| Video resolution | 2160p (4K) at 60 FPS | 2160p (4K) at 60 FPS |
| Depth sensor (TOF 3D) | No | No |
DxOMark front camera
| Photo | - | 103 |
| Video | - | 95 |
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 | 5.3 | 5 |
| Bluetooth features | LE | LE, A2DP |
| USB type | USB Type-C | USB Type-C |
| USB version | 3.2 | 3.2 |
| USB features | - Charging - USB-Storage mode - OTG | - Charging - USB-Storage mode |
| DisplayPort | Yes, DP 1.2 | - |
| GPS | GPS, GLONASS, Beidou, Galileo, QZSS | GPS, GLONASS, Beidou, Galileo, NAVIC |
| NFC* | Yes | Yes |
| Infrared port | No | No |
| Number of SIM* | 1 | 2 |
| Type of SIM card | Nano | Nano |
| Multi SIM mode | - | Standby |
| eSIM support* | Yes | Yes |
| Hybrid slot | No | No |
| LTE Cat* | 20 | 20 |
| 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 2024 | August 2020 |
| Release date | January 2024 | August 2020 |
| Launch price | $799 | $1000 |
| SAR (head) | 0.87 W/kg | 0.359 W/kg |
| SAR (body) | 1.35 W/kg | 1.366 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 |
| Bundled charger | Not included | - |
Further details
Notes on Galaxy S24 (Snapdragon):
- The 128 GB variant features UFS 3.1 memory, other models have UFS 4.0.
- There are two models: one with dual Nano SIM, and the other with 1 Nano SIM + eSIM.
*Disclaimer! NFC, GSM network support, and some other specs can be different depending on the country.

