Samsung Galaxy A55 5G vs Galaxy A51
62
out of 100
VS
38
out of 100
Here we compared two mid-range smartphones: the 6.6-inch Samsung Galaxy A55 5G (with Exynos 1480) that was released on March 11, 2024, against the Samsung Galaxy A51, which is powered by Exynos 9 Octa 9611 and came out 4 years and 3 months before. On this page, you will find tests, full specs, strengths, and weaknesses of each of the devices.
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Key differences
Reasons to consider the Samsung Galaxy A55 5G
- Waterproof body (IP67 classification)
- 2.9x better performance in AnTuTu Benchmark (1021K versus 352K)
- Higher display refresh rate – 120 Hz
- Shows 49% longer battery life (26:41 vs 17:53 hours)
- Comes with 1000 mAh larger battery capacity: 5000 vs 4000 mAh
- Delivers 58% higher peak brightness (1001 against 635 nits)
- Newer Bluetooth version (v5.3)
- Optical image stabilization
- More recent OS version: Android 16 versus 13
- More energy-efficient CPU – Exynos 1480
- Uses a faster type of memory: LPDDR5 3200 MHz
- Compatible with Wi-Fi 6 wireless networks
- Stereo speakers
Reasons to consider the Samsung Galaxy A51
- Slow-motion recording at 960FPS
- Weighs 41 grams less
- Includes a 3.5 mm headphone audio jack port
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 | Super AMOLED | Super AMOLED |
| Size | 6.6 inches | 6.5 inches |
| Resolution | 1080 x 2340 pixels | 1080 x 2400 pixels |
| Aspect ratio | 19.5:9 | 20:9 |
| PPI | 390 ppi | 405 ppi |
| Refresh rate | 120 Hz | 60 Hz |
| Adaptive refresh rate | Yes (60-120 Hz) | No |
| Max rated brightness | 1000 nits | 400 nits |
| HDR support | Yes, HDR10+ | No |
| Touch sampling rate | 240 Hz | - |
| Screen protection | Gorilla Glass Victus Plus | Corning Gorilla Glass 3 |
| Screen-to-body ratio | 85.8% | 87.5% |
| Display features | - DCI-P3 - Always-On Display |
- Always-On Display |
| RGB color space | 100% | 98.8% |
| PWM | 120 Hz | 242 Hz |
| Response time | 1 ms | 25 ms |
| Contrast | ∞ Infinity | ∞ Infinity |
Peak brightness test (auto)
Design and build
| Height | 161.1 mm (6.34 inches) | 158.5 mm (6.24 inches) |
| Width | 77.4 mm (3.05 inches) | 73.6 mm (2.9 inches) |
| Thickness | 8.2 mm (0.32 inches) | 7.9 mm (0.31 inches) |
| Weight | 213 g (7.51 oz) | 172 g (6.07 oz) |
| Waterproof | IP67 | No |
| Advanced cooling | Vapor chamber | - |
| Rear material | Glass | Plastic |
| Frame material | Metal | Plastic |
| Colors | White, Blue, Purple, Yellow | White, Black |
| Fingerprint scanner | Yes, in-display | Yes, in-display |
Screen-to-body ratio
Performance
| Chipset | Samsung Exynos 1480 | Samsung Exynos 9 Octa 9611 |
| Max clock | 2750 MHz | 2300 MHz |
| CPU cores | 8 (4 + 4) | 8 (4 + 4) |
| Architecture | - 4 cores at 2 GHz: Cortex-A55 - 4 cores at 2.75 GHz: Cortex-A78 |
- 4 cores at 1.7 GHz: Cortex-A53 - 4 cores at 2.3 GHz: Cortex-A73 |
| L3 cache | 4 MB | - |
| Manufacturing | Samsung | Samsung |
| Lithography process | 4 nanometers | 10 nanometers |
| Neural processor (NPU) | Yes | Yes |
| Graphics | Xclipse 530 | Mali-G72 MP3 |
| GPU shading units | 128 | 36 |
| GPU clock | 1300 MHz | 850 MHz |
| FLOPS | ~665.6 GFLOPS | ~61.2 GFLOPS |
Benchmarks
Geekbench 6 (Single-Core)
Geekbench 6 (Multi-Core)
Compute Score (GPU)
| Compute Score (GPU) | 4101 | 745 |
| Single-core score | 1137 | 372 |
| Multi-core score | 3437 | 1204 |
AnTuTu Benchmark 11
| CPU | 348485 | 135389 |
| GPU | 226076 | 30103 |
| Memory | 182794 | 90583 |
| UX | 264381 | 96624 |
| Total score | 1021736 | 352699 |
| Samples | [29 tests] | [10 tests] |
3DMark Steel Nomad Light
| Stability | 98% | - |
| Graphics test | 3 FPS | - |
| Graphics score | 459 | - |
3DMark Wild Life Extreme
| Stability | 98% | - |
| Graphics test | 5 FPS | - |
| Graphics score | 982 | - |
PCMark 3.0
| Web score | 11788 | - |
| Video editing | 7255 | - |
| Photo editing | 23283 | - |
| Data manipulation | 10941 | - |
| Writing score | 17673 | - |
Recent User Tests
Samsung Galaxy A55 5G
| Date | Benchmark | Result |
|---|---|---|
| 📘 2026-09-17 (Артем) | AnTuTu 11 | 1080442 |
| 📘 2026-08-23 (No) | AnTuTu 11 | 965699 |
| 📘 2026-08-14 (Brice) | Geekbench 6 CPU | 1115 / 3126 |
| 📘 2026-08-06 (Mazen) | AnTuTu 11 | 1057022 |
| 📘 2026-06-28 (SK.EMTIAZ) | AnTuTu 11 | 1021736 |
Samsung Galaxy A51
| Date | Benchmark | Result |
|---|---|---|
| 📘 2026-08-30 (Aginves) | AnTuTu 11 | 357049 |
| 📘 2026-08-28 (ROBIZ) | AnTuTu 11 | 331364 |
| 📘 2026-07-15 (Somya Lohiya) | AnTuTu 11 | 298360 |
| 📘 2026-06-20 (14burgos) | AnTuTu 11 | 393276 |
| 📘 2026-06-15 (Robiz) | AnTuTu 11 | 302904 |
Memory
| RAM size | 6 GB | 4 GB |
| Memory type | LPDDR5 | LPDDR4X |
| Memory clock | 3200 MHz | 1866 MHz |
| Channels | 2 | 2 |
| Storage size | 128 GB | 64 GB |
| Storage type | UFS 3.1 | UFS 2.0 |
| Memory card | MicroSD | MicroSD |
| Memory card max size | Up to 1024 GB | Up to 512 GB |
Software
| Operating system | Android 14 (Can be upgraded to Android 16) | Android 10 (Can be upgraded to Android 13) |
| ROM | One UI 8.5 | One UI 5.1 |
| OS size | 20.1 GB | 23 GB |
| OS updates | 4 years | 2 years |
| Security updates | 5 years | 4 years |
Battery
| Capacity | 5000 mAh | 4000 mAh |
| Max charge power | 25 W | 15 W |
| Battery type | Li-Ion | Li-Po |
| Replaceable | No | No |
| Wireless charging | No | No |
| Reverse charging | No | No |
| Bypass charging | No | - |
| Fast charging | Yes (55% in 30 min) | Yes (40% in 35 min) |
| Full charging time | 1:03 hr | 1:50 hr |
| Web browsing | 10:24 hr | 07:15 hr |
| Watching video | 17:52 hr | 11:25 hr |
| Gaming | 05:16 hr | 04:49 hr |
| Standby | 125 hr | 81 hr |
General battery life
Smartphones With Long Battery Life (#116th place)
Main camera
| Matrix | 50 megapixels | 48 megapixels |
| Image resolution | 8160 x 6120 | 8000 x 6000 |
| Zoom | Digital | Digital |
| Flash | LED | LED |
| Stabilization | Optical | Digital |
| 8K video recording | No | No |
| 4K video recording | Up to 30FPS | Up to 30FPS |
| 1080p video recording | Up to 60FPS | Up to 30FPS |
| Slow motion | 240 FPS (720p) | 960 FPS (720p) |
| Angle of widest lens | 123° | 120° |
| Lenses | 1) Standard: 50 MP 2) Ultrawide: 12 MP 3) Macro: 5 MP |
1) Standard: 48 MP 2) Ultrawide: 12 MP 3) Macro: 5 MP 4) Depth: 5 MP |
| Camera features | - Bokeh mode - Pro mode |
- Bokeh mode - Pro mode |
| Image resolution | 50 MP | 48 MP |
| Aperture | f/1.8 | f/2.0 |
| Focal length | - | 26 mm |
| Sensor | Sony IMX906 | Sony IMX582 |
| Sensor size | 1/1.56" (≈ 0.64 inch) | 1/2" (≈ 0.5 inch) |
| Pixel size | 1 micron | 0.8 micron |
| Autofocus | Phase autofocus | Phase autofocus |
| Stabilization | Optical | Digital |
| Image resolution | 12 MP | 12 MP |
| Aperture | f/2.2 | f/2.2 |
| Focal length | - | 13 mm |
| Sensor | Sony IMX258 | - |
| Sensor size | 1/3.06" (≈ 0.33 inch) | - |
| Pixel size | 1.12 micron | 1.12 micron |
| Stabilization | Digital | Digital |
| Image resolution | 5 MP | 5 MP |
| Aperture | f/2.4 | f/2.4 |
| Focal length | - | 40 mm |
| Sensor | GalaxyCore GC5035 | - |
| Sensor size | 1/5" (≈ 0.2 inch) | - |
| Pixel size | 1.12 micron | 1.12 micron |
| Stabilization | Digital | Digital |
DxOMark main camera tests
Photo quality
Video quality
Generic main camera score
| Bokeh | 45 | - |
| Preview | 54 | - |
| Zoom | 75 | - |
| Samples | Photo samples of Samsung Galaxy A55 5G from DxOMark | - |
Selfie camera
| Megapixels | 32 megapixels | 32 megapixels |
| Image resolution | 6464 x 4864 | 6560 x 4928 |
| Aperture | f/2.2 | f/2.2 |
| Focal length | 26 mm | 26 mm |
| Sensor | Sony IMX616 | Samsung S5KGD1 |
| Sensor size | 1/2.74" (≈ 0.36 inch) | 1/2.8" (≈ 0.36 inch) |
| Pixel size | 0.8 micron | 0.8 micron |
| Autofocus | No | No |
| Stabilization | Digital | Digital |
| Video resolution | 2160p (4K) at 30 FPS | 2160p (4K) at 30 FPS |
| Depth sensor (TOF 3D) | No | No |
Connectivity
| Wi-Fi standard | Wi-Fi 6 (802.11 a/b/g/n/ac/ax) | Wi-Fi 5 (802.11 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 | PBAP/PAB, PAN, OPP, MAP, HSP, HID, HFP, DIP, AVRCP, A2DP |
| USB type | USB Type-C | USB Type-C |
| USB version | 2 | 2 |
| USB features | - Charging - USB-Storage mode - OTG |
- Charging - USB-Storage mode - OTG |
| GPS | GPS, GLONASS, Beidou, Galileo, QZSS | GPS, GLONASS, Beidou, Galileo |
| NFC* | Depends on the region | Yes |
| Infrared port | No | No |
| Number of SIM* | 2 | 2 |
| Type of SIM card | Nano | Nano |
| Multi SIM mode | Standby | Standby |
| eSIM support* | Yes | No |
| Hybrid slot | Yes | No |
| LTE Cat* | 18 | 12 |
| 5G support | Yes | No |
Sound
| Speakers | Stereo | Mono |
| Headphone audio jack | No | Yes |
| FM radio | No | Yes |
| Dolby Atmos | Yes | Yes |
Speakers test
Max loudness
Other
| Category | Mid-range | Mid-range |
| Announced | March 2024 | December 2019 |
| Release date | March 2024 | December 2019 |
| Launch price (MSRP) | $439 | $399 |
| Successor | - Samsung Galaxy A57 5G | - Samsung Galaxy A57 5G |
| SAR (head) | 0.68 W/kg | 0.596 W/kg |
| SAR (body) | 1.04 W/kg | 1.45 W/kg |
| Sensors | - Hall-effect sensor - Barometer - Gyroscope - Accelerometer - Ambient light sensor - Compass - Fingerprint |
- Proximity sensor - Gyroscope - Accelerometer - Ambient light sensor - Compass - Fingerprint |
| Bundled charger | Not included | - |
Further details
Notes on Galaxy A55 5G:
- The barometer is only available in the model for the USA.
- SM-A556B/DS and A556E/DS models come with two physical SIM cards.
*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 A55 5G is definitely a better buy.
Cast your vote
Total votes: 147