Radeon 540X vs R7 M520
Contents
Primary details
GPU architecture, market segment, value for money and other general parameters compared.
| Place in the ranking | not rated | 754 |
| Place by popularity | not in top-100 | not in top-100 |
| Power efficiency | no data | 5.84 |
| Architecture | GCN 1.0 (2012−2020) | GCN 4.0 (2016−2020) |
| GPU code name | Oland | Lexa |
| Market segment | Desktop | Laptop |
| Release date | 18 April 2017 (8 years ago) | 5 September 2018 (7 years ago) |
Detailed specifications
General parameters such as number of shaders, GPU core base clock and boost clock speeds, manufacturing process, texturing and calculation speed. Note that power consumption of some graphics cards can well exceed their nominal TDP, especially when overclocked.
| Pipelines / CUDA cores | 320 | 512 |
| Core clock speed | 1030 MHz | 980 MHz |
| Boost clock speed | no data | 1046 MHz |
| Number of transistors | 1,040 million | 2,200 million |
| Manufacturing process technology | 28 nm | 14 nm |
| Power consumption (TDP) | 50 Watt | 50 Watt |
| Texture fill rate | 20.60 | 33.47 |
| Floating-point processing power | no data | 1.071 TFLOPS |
| ROPs | 8 | 16 |
| TMUs | 20 | 32 |
| L1 Cache | no data | 128 KB |
| L2 Cache | no data | 512 KB |
Form factor & compatibility
Information on compatibility with other computer components. Useful when choosing a future computer configuration or upgrading an existing one. For desktop graphics cards it's interface and bus (motherboard compatibility), additional power connectors (power supply compatibility).
| Interface | PCIe 3.0 x8 | PCIe 3.0 x8 |
| Width | 1-slot | no data |
| Supplementary power connectors | None | None |
VRAM capacity and type
Parameters of VRAM installed: its type, size, bus, clock and resulting bandwidth. Integrated GPUs have no dedicated video RAM and use a shared part of system RAM.
| Memory type | DDR3 | GDDR5 |
| Maximum RAM amount | 2 GB | 2 GB |
| Memory bus width | 64 Bit | 64 Bit |
| Memory clock speed | 2000 MHz | 1500 MHz |
| Memory bandwidth | 16 GB/s | 48 GB/s |
| Shared memory | no data | - |
Connectivity and outputs
This section shows the types and number of video connectors on each GPU. The data applies specifically to desktop reference models (for example, NVIDIA’s Founders Edition). OEM partners often modify both the number and types of ports. On notebook GPUs, video‐output options are determined by the laptop’s design rather than the graphics chip itself.
| Display Connectors | 1x DVI, 1x HDMI, 1x VGA | No outputs |
| HDMI | + | - |
API and SDK support
List of supported 3D and general-purpose computing APIs, including their specific versions.
| DirectX | 12.0 | 12 (12_0) |
| Shader Model | 5.0 | 6.4 |
| OpenGL | 4.6 | 4.6 |
| OpenCL | 1.2 | 2.0 |
| Vulkan | - | 1.2.131 |
Pros & cons summary
| Recency | 18 April 2017 | 5 September 2018 |
| Chip lithography | 28 nm | 14 nm |
Radeon 540X has an age advantage of 1 year, and a 100% more advanced lithography process.
We couldn't decide between Radeon R7 M520 and Radeon 540X. We've got no test results to judge.
Be aware that Radeon R7 M520 is a desktop graphics card while Radeon 540X is a notebook one.
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