Radeon 520 vs ATI X1950 XTX

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Primary details

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

Place in the rankingnot rated879
Place by popularitynot in top-100not in top-100
Power efficiencyno data2.84
ArchitectureR500 (2005−2007)GCN 1.0 (2011−2020)
GPU code nameR580+Banks
Market segmentDesktopLaptop
Release date17 October 2006 (18 years ago)18 April 2017 (7 years ago)
Launch price (MSRP)$449 no data

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 data320
Core clock speed650 MHz1030 MHz
Number of transistors384 million690 million
Manufacturing process technology90 nm28 nm
Power consumption (TDP)125 Watt50 Watt
Texture fill rate10.4020.60
Floating-point processing powerno data0.6592 TFLOPS
ROPs168
TMUs1620

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
Length230 mmno data
Width2-slotno data
Supplementary power connectors1x 6-pinNone

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 typeGDDR4GDDR5
Maximum RAM amount512 MB2 GB
Memory bus width256 Bit64 Bit
Memory clock speed1000 MHz1125 MHz
Memory bandwidth64 GB/s36 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 DVI, 1x S-VideoNo outputs

API compatibility

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

DirectX9.0c (9_3)12 (11_1)
Shader Model3.05.1
OpenGL2.04.6
OpenCLN/A1.2
VulkanN/A1.2.131

Pros & cons summary


Recency 17 October 2006 18 April 2017
Maximum RAM amount 512 MB 2 GB
Chip lithography 90 nm 28 nm
Power consumption (TDP) 125 Watt 50 Watt

Radeon 520 has an age advantage of 10 years, a 300% higher maximum VRAM amount, a 221.4% more advanced lithography process, and 150% lower power consumption.

We couldn't decide between Radeon X1950 XTX and Radeon 520. We've got no test results to judge.

Be aware that Radeon X1950 XTX is a desktop card while Radeon 520 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 X1950 XTX
Radeon X1950 XTX
AMD Radeon 520
Radeon 520

Comparisons with similar GPUs

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Community ratings

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Questions & comments

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