ATI Radeon X1800 CrossFire Edition vs 520

Primary details

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

Place in the ranking878not rated
Place by popularitynot in top-100not in top-100
Power efficiency2.85no data
ArchitectureGCN 1.0 (2011−2020)R500 (2005−2007)
GPU code nameBanksR520
Market segmentLaptopDesktop
Release date18 April 2017 (7 years ago)20 December 2005 (18 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 cores320no data
Core clock speed1030 MHz600 MHz
Number of transistors690 million321 million
Manufacturing process technology28 nm90 nm
Power consumption (TDP)50 Watt113 Watt
Texture fill rate20.609.600
Floating-point processing power0.6592 TFLOPSno data
ROPs816
TMUs2016

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 3.0 x8PCIe 1.0 x16
Widthno data2-slot
Supplementary power connectorsNone1x 6-pin

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 typeGDDR5GDDR3
Maximum RAM amount2 GB512 MB
Memory bus width64 Bit256 Bit
Memory clock speed1125 MHz700 MHz
Memory bandwidth36 GB/s44.8 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 ConnectorsNo outputs2x DVI, 1x S-Video

API compatibility

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

DirectX12 (11_1)9.0c (9_3)
Shader Model5.13.0
OpenGL4.62.0
OpenCL1.2N/A
Vulkan1.2.131N/A

Pros & cons summary


Recency 18 April 2017 20 December 2005
Maximum RAM amount 2 GB 512 MB
Chip lithography 28 nm 90 nm
Power consumption (TDP) 50 Watt 113 Watt

Radeon 520 has an age advantage of 11 years, a 300% higher maximum VRAM amount, a 221.4% more advanced lithography process, and 126% lower power consumption.

We couldn't decide between Radeon 520 and Radeon X1800 CrossFire Edition. We've got no test results to judge.

Be aware that Radeon 520 is a notebook card while Radeon X1800 CrossFire Edition is a desktop 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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AMD Radeon 520
Radeon 520
ATI Radeon X1800 CrossFire Edition
Radeon X1800 CrossFire Edition

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Community ratings

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