Radeon 540X vs ATI X800 CrossFire Edition

Primary details

GPU architecture, market segment, value for money and other general parameters compared.

Place in the rankingnot rated704
Place by popularitynot in top-100not in top-100
Power efficiencyno data5.14
ArchitectureR400 (2004−2008)GCN 4.0 (2016−2020)
GPU code nameR423Lexa
Market segmentDesktopLaptop
Release date28 October 2005 (19 years ago)5 September 2018 (6 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 coresno data512
Core clock speed500 MHz980 MHz
Boost clock speedno data1046 MHz
Number of transistors160 million2,200 million
Manufacturing process technology130 nm14 nm
Power consumption (TDP)no data50 Watt
Texture fill rate8.00033.47
Floating-point processing powerno data1.071 TFLOPS
ROPs1616
TMUs1632

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).

InterfacePCIe 1.0 x16PCIe 3.0 x8
Width2-slotno data
Supplementary power connectorsNoneNone

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 typeGDDR3GDDR5
Maximum RAM amount256 MB2 GB
Memory bus width256 Bit64 Bit
Memory clock speed500 MHz1500 MHz
Memory bandwidth32 GB/s48 GB/s
Shared memory--

Connectivity and outputs

Types and number of video connectors present on the reviewed GPUs. As a rule, data in this section is precise only for desktop reference ones (so-called Founders Edition for NVIDIA chips). OEM manufacturers may change the number and type of output ports, while for notebook cards availability of certain video outputs ports depends on the laptop model rather than on the card itself.

Display Connectors2x DVINo outputs

API compatibility

List of supported 3D and general-purpose computing APIs, including their specific versions.

DirectX9.0b (9_2)12 (12_0)
Shader Modelno data6.4
OpenGL2.04.6
OpenCLN/A2.0
VulkanN/A1.2.131

Pros & cons summary


Recency 28 October 2005 5 September 2018
Maximum RAM amount 256 MB 2 GB
Chip lithography 130 nm 14 nm

Radeon 540X has an age advantage of 12 years, a 700% higher maximum VRAM amount, and a 828.6% more advanced lithography process.

We couldn't decide between Radeon X800 CrossFire Edition and Radeon 540X. We've got no test results to judge.

Be aware that Radeon X800 CrossFire Edition is a desktop card while Radeon 540X is a notebook one.


Should you still have questions concerning choice between the reviewed GPUs, ask them in Comments section, and we shall answer.

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ATI Radeon X800 CrossFire Edition
Radeon X800 CrossFire Edition
AMD Radeon 540X
Radeon 540X

Comparisons with similar GPUs

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Community ratings

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5 2 votes

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3.8 316 votes

Rate Radeon 540X on a scale of 1 to 5:

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Questions & comments

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