Samsung Galaxy S24 (Snapdragon) vs S21 Plus
72
out of 100
VS
57
out of 100
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 S21 Plus, which is powered by Exynos 2100 and came out 3 years and 1 month before. On this page, you will find tests, full specs, strengths, and weaknesses of each of the devices.
Select the amount of RAM to evaluate performance and value for money more precisely
Key differences
Reasons to consider the Samsung Galaxy S24 (Snapdragon)
- 2.3x better performance in AnTuTu Benchmark (2292K versus 1017K)
- The rear camera has a 3x optical zoom
- Better camera quality (According to DxOMark rating)
- Delivers 58% higher peak brightness (1390 against 878 nits)
- Newer Bluetooth version (v5.3)
- More recent OS version: Android 17 versus 15
- The phone is 3 years and 1 month newer
Reasons to consider the Samsung Galaxy S21 Plus
- Has a 0.5 inch larger screen size
- Slow-motion recording at 960FPS
- Comes with 800 mAh larger battery capacity: 4800 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
Select your primary usage scenario to get a more accurate DeviceFacts Score
Value for money (Beta)
Tests and specifications
Comparison table of technical specifications and testsDisplay
| Type | Dynamic AMOLED | Dynamic 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 | 394 ppi |
| Refresh rate | 120 Hz | 120 Hz |
| Adaptive refresh rate | Yes (24-120 Hz) | Yes (48-120 Hz) |
| Max rated brightness | 2600 nits | 1300 nits |
| HDR support | Yes, HDR10+ | Yes, HDR10+ |
| Touch sampling rate | 240 Hz | - |
| Screen protection | Gorilla Glass Victus 2 | Gorilla Glass Victus |
| Screen-to-body ratio | 90.9% | 88.7% |
| Display features | - DCI-P3 - Always-On Display |
- DCI-P3 - Always-On Display |
| RGB color space | - | 98.9% |
| PWM | - | 240 Hz |
| Response time | - | 6.2 ms |
| Contrast | - | ∞ Infinity |
Screen space comparison
Galaxy S21 Plus
6.7″ (20:9 ratio) = 16.8 in2
Galaxy S24 (Snapdragon)
6.2″ (19.5:9 ratio) = 14.6 in2
~14% more screen space
Peak brightness test (auto)
Design and build
| Height | 147 mm (5.79 inches) | 161.5 mm (6.36 inches) |
| Width | 70.6 mm (2.78 inches) | 75.6 mm (2.98 inches) |
| Thickness | 7.6 mm (0.3 inches) | 7.8 mm (0.31 inches) |
| Weight | 167 g (5.89 oz) | 200 g (7.05 oz) |
| Waterproof | IP68 | IP68 |
| Advanced cooling | Vapor chamber | - |
| Rear material | Glass | Glass |
| Frame material | Metal | Metal |
| Colors | Black, Gray, Blue, Green, Orange, Purple, Yellow | Black, Silver, Gold, Red, Purple |
| Fingerprint scanner | Yes, in-display | Yes, in-display |
Screen-to-body ratio
Performance
| Chipset | Qualcomm Snapdragon 8 Gen 3 | Samsung Exynos 2100 |
| Max clock | 3300 MHz | 2900 MHz |
| CPU cores | 8 (1 + 3 + 2 + 2) | 8 (1 + 3 + 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 2.2 GHz: Cortex-A55 - 3 cores at 2.81 GHz: Cortex-A78 - 1 core at 2.91 GHz: Cortex-X1 |
| L3 cache | 12 MB | - |
| Manufacturing | TSMC | Samsung |
| Lithography process | 4 nanometers | 5 nanometers |
| Neural processor (NPU) | Hexagon | Yes |
| Graphics | Adreno 750 | Mali-G78 MP14 |
| GPU shading units | 1536 | 448 |
| GPU clock | 903-1000 MHz | 854 MHz |
| FLOPS | ~2774 GFLOPS | ~765.2 GFLOPS |
Benchmarks
Geekbench 6 (Single-Core)
Geekbench 6 (Multi-Core)
Compute Score (GPU)
| Compute Score (GPU) | 17327 | 6699 |
| Single-core score | 2066 | 1259 |
| Multi-core score | 6434 | 3255 |
AnTuTu Benchmark 11
| CPU | 738110 | 380634 |
| GPU | 814230 | 187261 |
| Memory | 244427 | 186352 |
| UX | 495918 | 263526 |
| Total score | 2292685 | 1017773 |
| Samples | [18 tests] | [9 tests] |
3DMark Steel Nomad Light
| Stability | 67% | - |
| Graphics test | 11 FPS | - |
| Graphics score | 1507 | - |
3DMark Solar Bay
| Stability | 62% | - |
| Graphics test | 30 FPS | - |
| Section 1 | 36 FPS | - |
| Section 2 | 31 FPS | - |
| Section 3 | 23 FPS | - |
| Graphics score | 7976 | - |
3DMark Wild Life Extreme
| Stability | 50% | - |
| Graphics test | 28 FPS | - |
| Graphics score | 4826 | - |
PCMark 3.0
| Web score | 18350 | - |
| Video editing | 7968 | - |
| Photo editing | 35076 | - |
| Data manipulation | 14984 | - |
| Writing score | 21029 | - |
AnTuTu 11 Ranking List (#200th place)
Recent User Tests
Samsung Galaxy S24 (Snapdragon)
| Date | Benchmark | Result |
|---|---|---|
| 📘 2026-09-30 (Y4nnick23) | Battery life | SOT 5:30 / 18:00 |
| 📘 2026-09-20 (Iizzzuu) | AnTuTu 12 | 2391410 |
| 📘 2026-09-05 (Самса с24) | AnTuTu 11 | 2278769 |
| 📘 2026-08-05 (Flames-2) | AnTuTu 11 | 2364143 |
| 📘 2026-06-30 (mrtcn) | AnTuTu 11 | 2068918 |
Samsung Galaxy S21 Plus
| Date | Benchmark | Result |
|---|---|---|
| 📘 2026-09-01 (Md. Iqbal Talukder) | AnTuTu 11 | 1014567 |
| 📘 2026-05-30 (Júnior) | AnTuTu 11 | 1049711 |
| 📘 2026-05-08 (Arcytechsure) | AnTuTu 11 | 1125806 |
| 📘 2026-04-18 (Aziz Jr) | Geekbench 6 GPU | 6699 |
| 📘 2026-04-18 (Aziz Jr) | Geekbench 6 CPU | 1124 / 3273 |
Memory
| RAM size | 8 GB | 8 GB |
| Memory type | LPDDR5X | LPDDR5 |
| Memory clock | 4200 MHz | 2750 MHz |
| Channels | 4 | 2 |
| Storage size | 128 GB | 128 GB |
| Storage type | UFS 4.0 | UFS 3.1 |
| Memory card | No | No |
Software
| Operating system | Android 14 (Can be upgraded to Android 17) | Android 11 (Can be upgraded to Android 15) |
| ROM | One UI 9.0 | One UI 7.0 |
| OS size | 24.1 GB | 27.2 GB |
| OS updates | - | 2 years |
| Security updates | - | 4 years |
Battery
| Capacity | 4000 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) |
| Bypass charging | Yes | - |
| Fast charging | Yes (59% in 30 min) | Yes (54% in 30 min) |
| Full charging time | 1:15 hr | 1:12 hr |
| Web browsing | 07:07 hr | 07:28 hr |
| Watching video | 15:32 hr | 13:15 hr |
| Gaming | 05:03 hr | 05:04 hr |
| Standby | 83 hr | 105 hr |
General battery life
Main camera
| Matrix | 50 megapixels | 12 megapixels |
| Image resolution | 8160 x 6120 | 4000 x 3000 |
| Zoom | Optical, 3x | Optical, 1.1x |
| 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 60FPS |
| Slow motion | 240 FPS (1080p) | 960 FPS (720p) |
| 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" (≈ 0.64 inch) | 1/1.76" (≈ 0.57 inch) |
| 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 | 28 mm |
| Sensor | Samsung ISOCELL 3K1 | Samsung Bright S5KGW2 |
| Sensor size | 1/3.94" (≈ 0.25 inch) | 1/1.72" (≈ 0.58 inch) |
| 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 | 13 mm |
| Sensor | Sony IMX564 | Sony IMX563 |
| Sensor size | 1/2.55" (≈ 0.39 inch) | 1/2.55" (≈ 0.39 inch) |
| 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 | 70 |
| Preview | 69 | 60 |
| Zoom | 135 | 114 |
| Samples | Photo samples of Samsung Galaxy S24 (Snapdragon) from DxOMark | Photo samples of Samsung Galaxy S21 Plus 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" (≈ 0.31 inch) | 1/3.24" (≈ 0.31 inch) |
| 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 |
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 - USB-Host mode - OTG |
| DisplayPort | Yes, DP 1.2 | - |
| GPS | GPS, GLONASS, Beidou, Galileo, QZSS | GPS, GLONASS, Beidou, Galileo |
| 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 | 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 2024 | January 2021 |
| Release date | January 2024 | February 2021 |
| Launch price (MSRP) | $799 | $1000 |
| Successor | - Samsung Galaxy S26 Plus (Snapdragon) | - Samsung Galaxy S22 Plus |
| SAR (head) | 0.87 W/kg | 0.54 W/kg |
| SAR (body) | 1.35 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 |
| 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.
Conclusion
After analyzing all the data, we think that the Samsung Galaxy S24 (Snapdragon) is definitely a better buy.
Cast your vote
Total votes: 24