Radeon RX 580G vs ATI X1950 GT AGP

Primary details

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

Place in the rankingnot ratednot rated
Place by popularitynot in top-100not in top-100
ArchitectureR500 (2005−2007)GCN 4.0 (2016−2020)
GPU code nameRV570Polaris 20
Market segmentDesktopDesktop
Release date10 February 2007 (17 years ago)15 October 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 data2304
Core clock speed500 MHz1257 MHz
Boost clock speedno data1330 MHz
Number of transistors330 million5,700 million
Manufacturing process technology80 nm14 nm
Power consumption (TDP)57 Watt185 Watt
Texture fill rate6.000191.5
Floating-point processing powerno data6.129 TFLOPS
ROPs1232
TMUs12144

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).

InterfaceAGP 8xPCIe 3.0 x16
Lengthno data241 mm
Width1-slot2-slot
Supplementary power connectors2x Molex1x 8-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 typeGDDR3GDDR5
Maximum RAM amount256 MB8 GB
Memory bus width256 Bit256 Bit
Memory clock speed600 MHz2000 MHz
Memory bandwidth38.4 GB/s256.0 GB/s

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-Video1x HDMI, 3x DisplayPort
HDMI-+

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
OpenGL2.04.6
OpenCLN/A2.0
VulkanN/A1.2.131

Pros & cons summary


Recency 10 February 2007 15 October 2018
Maximum RAM amount 256 MB 8 GB
Chip lithography 80 nm 14 nm
Power consumption (TDP) 57 Watt 185 Watt

ATI X1950 GT AGP has 224.6% lower power consumption.

RX 580G, on the other hand, has an age advantage of 11 years, a 3100% higher maximum VRAM amount, and a 471.4% more advanced lithography process.

We couldn't decide between Radeon X1950 GT AGP and Radeon RX 580G. We've got no test results to judge.


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

Vote for your favorite

Do you think we are right or mistaken in our choice? Vote by clicking "Like" button near your favorite graphics card.


ATI Radeon X1950 GT AGP
Radeon X1950 GT AGP
AMD Radeon RX 580G
Radeon RX 580G

Comparisons with similar GPUs

We selected several comparisons of graphics cards with performance close to those reviewed, providing you with more options to consider.

Community ratings

Here you can see the user ratings of the compared graphics cards, as well as rate them yourself.


5 1 vote

Rate Radeon X1950 GT AGP on a scale of 1 to 5:

  • 1
  • 2
  • 3
  • 4
  • 5
3.8 25 votes

Rate Radeon RX 580G on a scale of 1 to 5:

  • 1
  • 2
  • 3
  • 4
  • 5

Questions & comments

Here you can ask a question about this comparison, agree or disagree with our judgements, or report an error or mismatch.