AMD Radeon RX 540X
The AMD Radeon RX 540X is a graphics card released on April 3, 2018, built on the GCN architecture. It has 512 shading units, 4 GB of GDDR5 memory on a 128-bit bus, 96.0 GB/s of memory bandwidth and a boost clock of 1.22 GHz. It supports DirectX 12.
Depth: 16 recorded fields, 10 features
Specification data last verified July 27, 2026 against AMD.com Specifications. Coverage: 8 of 10 tracked specifications recorded.
Performance
Theoretical throughput
AMD states a peak of FP32 (single precision) 1.25 TFLOPS, Pixel fill rate 19.5 GPixel/s and Texture fill rate 39 GTexel/s for the AMD Radeon RX 540X.
Graphics processor
The AMD Radeon RX 540X is based on the GCN architecture.
Shader configuration
The AMD Radeon RX 540X has 512 shading units and 8 compute units.
The AMD Radeon RX 540X does not use XMX engines; those are specific to Intel Arc graphics. Feex has no recorded ray tracing core count for the AMD Radeon RX 540X.
Clock speeds
The AMD Radeon RX 540X boosts to 1.22 GHz.
Memory
The AMD Radeon RX 540X is equipped with 4 GB of GDDR5 memory, uses a 128-bit memory bus and delivers 96.0 GB/s of memory bandwidth.
Market
The AMD Radeon RX 540X was released on April 3, 2018.
Graphics and compute APIs
The AMD Radeon RX 540X supports DirectX 12.
CUDA is an NVIDIA technology and does not apply to the AMD Radeon RX 540X. Feex has no recorded Vulkan version for the AMD Radeon RX 540X. Feex has no recorded OpenCL version for the AMD Radeon RX 540X.
Features
The AMD Radeon RX 540X has 4 supported features recorded outside the media engine. A feature that no source mentions is shown as not listed, never as unsupported.
Display features
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Supported: AMD FreeSyncSupport for AMD's variable refresh rate technology, which syncs compatible displays to the GPU to reduce tearing and stutter.
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Supported: HDMI 4K outputThe vendor states the GPU can drive a 4K display over HDMI.
Not listed (6)
No source Feex holds states whether the AMD Radeon RX 540X supports Stereoscopic 3D, 10-bit color output, VR ready, 8K display output, HDR output and 12-bit color output. That is silence, not a statement that they are unsupported.
The AMD Radeon RX 540X supports AMD FreeSync and HDMI 4K output under Display features.
Software and drivers
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Supported: Radeon ChillAMD driver feature that lowers frame rate when there is little on-screen action to cut power use and heat.
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Supported: Radeon ReLiveAMD's built-in tool for recording and streaming gameplay.
Not listed (6)
No source Feex holds states whether the AMD Radeon RX 540X supports Enhanced Sync, Image sharpening, Radeon Anti-Lag, Radeon Boost, Radeon Super Resolution and AMD Fluid Motion Frames. That is silence, not a statement that they are unsupported.
The AMD Radeon RX 540X supports Radeon Chill and Radeon ReLive under Software and drivers.
Media engine
The AMD Radeon RX 540X provides hardware encode for H.264 (AVC) and HEVC (H.265) and hardware decode for H.264 (AVC) and HEVC (H.265).
| Codec | Encode | Decode |
|---|---|---|
| H.264 (AVC)4K H.264: encode supported, decode supported | Supported | Supported |
| HEVC (H.265) | Supported | Supported |
supported explicitly not supported not stated by the vendor
Not listed: AV1 and VP9. No source Feex holds states whether the AMD Radeon RX 540X supports these codecs; that is silence, not a statement that they are unsupported.
Display outputs
The AMD Radeon RX 540X offers outputs DisplayPort 1.4 HDR, HDMI 4K60 Support and DisplayPort 1.4.
Frequently asked questions
How much VRAM does the AMD Radeon RX 540X have?
The AMD Radeon RX 540X has 4 GB of GDDR5 memory on a 128-bit bus. Its memory bandwidth is 96.0 GB/s.
When was the AMD Radeon RX 540X released?
The AMD Radeon RX 540X was released on April 3, 2018.