AMD Radeon 550X 640SP: specs and benchmarks
Contents
Summary
AMD started Radeon 550X 640SP sales 11 April 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 1.5 GHz are supplied, and together with 64 Bit memory interface this creates a bandwidth of 48 GB/s.
Compatibility-wise, this is an integrated graphics card. No additional power connector is required, and power consumption is at 50 Watt.
Primary details
Some basic facts about Radeon 550X 640SP: architecture, market segment, release date etc.
| Place in the ranking | not rated | |
| Place by popularity | not in top-100 | |
| Architecture | GCN 4.0 (2016−2020) | |
| GPU code name | Lexa | |
| Market segment | Desktop | |
| Release date | 11 April 2018 (7 years ago) |
Detailed specifications
Radeon 550X 640SP's specs such as number of shaders, GPU base clock, manufacturing process, texturing and calculation speed. These parameters indirectly speak of Radeon 550X 640SP's performance, but for precise assessment you have to consider its benchmark and gaming test results.
| Pipelines / CUDA cores | 640 | of 24064 (RTX PRO 6000 Blackwell) |
| Core clock speed | 1019 MHz | of 2670 MHz (Arc B580) |
| Boost clock speed | 1071 MHz | of 3230 MHz (Radeon RX 9060 XT) |
| Number of transistors | 2,200 million | of 185,000 million (Radeon Instinct MI350X) |
| Manufacturing process technology | 14 nm | of 3 nm (Arc Graphics 140V) |
| Power consumption (TDP) | 50 Watt | of 2400 Watt (Data Center GPU Max Subsystem) |
| Texture fill rate | 42.84 | of 2,554 (Radeon Instinct MI300X) |
| Floating-point processing power | 1.371 TFLOPS | of 126 (RTX PRO 6000 Blackwell) |
| ROPs | 16 | of 512 (Moore Threads MTT S4000) |
| TMUs | 40 | of 1280 (Data Center GPU Max NEXT) |
Form factor & compatibility
This section provides details about the physical dimensions of Radeon 550X 640SP 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 | |
| Width | IGP | |
| Supplementary power connectors | None |
VRAM capacity and type
Parameters of memory installed on Radeon 550X 640SP: 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 288 GB (Radeon Instinct MI325X) |
| Memory bus width | 64 Bit | of 8192 Bit (Radeon Instinct MI250X) |
| Memory clock speed | 1500 MHz | of 16000 GB/s (GeForce RTX 4050 Mobile) |
| Memory bandwidth | 48 GB/s | of 5,171 GB/s (Radeon Instinct MI300X) |
Connectivity and outputs
Types and number of video connectors present on Radeon 550X 640SP. 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 and SDK compatibility
APIs supported by Radeon 550X 640SP, sometimes including their particular versions.
| DirectX | 12 (12_0) | |
| Shader Model | 6.4 | |
| OpenGL | 4.6 | |
| OpenCL | 2.0 | |
| Vulkan | 1.2.131 |
NVIDIA equivalent
According to our data, the closest NVIDIA alternative to Radeon 550X 640SP is GeForce GTX 750 Ti.
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 550X 640SP according to our statistics.
