Radeon RX 550X: specs and benchmarks
Aggregated performance score
It provides poor gaming and benchmark performance at 5.82% of a leader's which is GeForce RTX 4090.
Summary
AMD started Radeon RX 550X sales 16 December 2018. This is a desktop graphics card based on a GCN 4.0 architecture and made with 14 nm manufacturing process. It is primarily aimed at gamer market. 4 GB of GDDR5 memory clocked at 6 GHz are supplied, and together with 128 Bit memory interface this creates a bandwidth of 96 GB/s.
Compatibility-wise, this is dual-slot card attached via PCIe 3.0 x8 interface. Its manufacturer default version has a length of 145 mm. No additional power connector is required, and power consumption is at 50 Watt.
General info
Some basic facts about Radeon RX 550X: architecture, market segment, release date etc.
| Place in performance ranking | 559 | |
| Place by popularity | not in top-100 | |
| Value for money | 2.34 | |
| Architecture | GCN 4.0 (2016−2020) | |
| GPU code name | Lexa | |
| Market segment | Desktop | |
| Release date | 16 December 2018 (5 years ago) | |
| Current price | $259 | of 168889 (A100 PCIe 80 GB) |
Value for money
Performance to price ratio. The higher, the better.
Technical specs
Radeon RX 550X's specs such as number of shaders, GPU base clock, manufacturing process, texturing and calculation speed. These parameters indirectly speak of Radeon RX 550X's performance, but for precise assessment you have to consider its benchmark and gaming test results.
| Pipelines / CUDA cores | 512 | of 20480 (Data Center GPU Max NEXT) |
| Core clock speed | 1100 MHz | of 2610 (Radeon RX 6500 XT) |
| Boost clock speed | 1183 MHz | of 3599 (Radeon RX 7990 XTX) |
| Number of transistors | 2,200 million | of 14400 (GeForce GTX 1070 SLI Mobile) |
| Manufacturing process technology | 14 nm | of 4 (Radeon 780M) |
| Power consumption (TDP) | 50 Watt | of 2400 (Data Center GPU Max Subsystem) |
| Texture fill rate | 37.86 | of 969.9 (H100 SXM5 96 GB) |
| Floating-point performance | 1,211 gflops | of 16384 (Radeon Pro Duo) |
Size and compatibility
This section provides details about the physical dimensions of Radeon RX 550X and its compatibility with other computer components. This information is useful when selecting a computer configuration or upgrading an existing one. For desktop graphics cards, it includes details about the interface and bus (for motherboard compatibility) and additional power connectors (for power supply compatibility).
| Interface | PCIe 3.0 x8 | |
| Length | 145 mm | |
| Width | 2-slot | |
| Supplementary power connectors | None |
Memory
Parameters of memory installed on Radeon RX 550X: its type, size, bus, clock and resulting bandwidth. Note that GPUs integrated into processors have no dedicated memory and use a shared part of system RAM instead.
| Memory type | GDDR5 | |
| Maximum RAM amount | 4 GB | of 192 (Radeon Instinct MI300X) |
| Memory bus width | 128 Bit | of 8192 (Radeon Instinct MI250X) |
| Memory clock speed | 6000 MHz | of 23000 (GeForce RTX 4080 SUPER) |
| Memory bandwidth | 96 GB/s | of 3276 (Aldebaran) |
Video outputs and ports
Types and number of video connectors present on Radeon RX 550X. As a rule, this section is relevant only for desktop reference graphics cards, since for notebook ones the availability of certain video outputs depends on the laptop model, while non-reference desktop models can (though not necessarily will) bear a different set of video ports.
| Display Connectors | 1x DVI, 1x HDMI, 1x DisplayPort | |
| HDMI | + |
API support
APIs supported by Radeon RX 550X, sometimes including their particular versions.
| DirectX | 12 (12_0) | |
| Shader Model | 6.4 | |
| OpenGL | 4.6 | |
| OpenCL | 2.0 | |
| Vulkan | 1.2.131 |
Benchmark performance
Synthetic benchmark performance of Radeon RX 550X. The combined score is measured on a 0-100 point scale.
Combined synthetic benchmark score
This is our combined benchmark performance score. We are regularly improving our combining algorithms, but if you find some perceived inconsistencies, feel free to speak up in comments section, we usually fix problems quickly.
Passmark
This is the most ubiquitous GPU benchmark, part of Passmark PerformanceTest suite. It gives the graphics card a thorough evaluation under various types of load, providing four separate benchmarks for Direct3D versions 9, 10, 11 and 12 (the last being done in 4K resolution if possible), and few more tests engaging DirectCompute capabilities.
Benchmark coverage: 25%
GeekBench 5 OpenCL
Geekbench 5 is a widespread graphics card benchmark combined from 11 different test scenarios. All these scenarios rely on direct usage of GPU's processing power, no 3D rendering is involved. This variation uses OpenCL API by Khronos Group.
Benchmark coverage: 9%
GeekBench 5 Vulkan
Geekbench 5 is a widespread graphics card benchmark combined from 11 different test scenarios. All these scenarios rely on direct usage of GPU's processing power, no 3D rendering is involved. This variation uses Vulkan API by AMD & Khronos Group.
Benchmark coverage: 5%
Send your test results of Radeon RX 550X.
NVIDIA equivalent
According to our data, the closest NVIDIA alternative to Radeon RX 550X is GeForce GTX 460, which is nearly equal in speed and higher by 1 position in our ranking.
Here are some closest NVIDIA rivals to Radeon RX 550X:
Similar GPUs
Here is our recommendation of several graphics cards that are more or less close in performance to the one reviewed.
Recommended processors
These processors are most commonly used with Radeon RX 550X according to our statistics.
