Radeon 540X vs ATI X1600 XT Dual

Primary details

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

Place in the rankingnot rated701
Place by popularitynot in top-100not in top-100
Power efficiencyno data5.15
ArchitectureUltra-Threaded SE (2005−2007)GCN 4.0 (2016−2020)
GPU code nameRV530Lexa
Market segmentDesktopLaptop
Release dateno data (2024 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 speed590 MHz980 MHz
Boost clock speedno data1046 MHz
Number of transistors157 million2,200 million
Manufacturing process technology90 nm14 nm
Power consumption (TDP)no data50 Watt
Texture fill rate2.36033.47
Floating-point processing powerno data1.071 TFLOPS
ROPs416
TMUs432

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
Width1-slotno data
Supplementary power connectors1x MolexNone

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 width128 Bit64 Bit
Memory clock speed1380 MBps1500 MHz
Memory bandwidth22.08 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.

DirectX9.0c (9_3)12 (12_0)
Shader Model3.06.4
OpenGL2.14.6
OpenCLN/A2.0
VulkanN/A1.2.131

Pros & cons summary


Maximum RAM amount 256 MB 2 GB
Chip lithography 90 nm 14 nm

Radeon 540X has a 700% higher maximum VRAM amount, and a 542.9% more advanced lithography process.

We couldn't decide between Radeon X1600 XT Dual and Radeon 540X. We've got no test results to judge.

Be aware that Radeon X1600 XT Dual 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 X1600 XT Dual
Radeon X1600 XT Dual
AMD Radeon 540X
Radeon 540X

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Community ratings

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