RTX A40 vs ATI Radeon X800 XT Platinum 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
ArchitectureR400 (2004−2008)Ampere (2020−2024)
GPU code nameR420GA102
Market segmentDesktopWorkstation
Release date1 May 2004 (20 years ago)5 October 2020 (4 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 data10752
Core clock speed520 MHz1305 MHz
Boost clock speedno data1755 MHz
Number of transistors160 million28,300 million
Manufacturing process technology130 nm8 nm
Power consumption (TDP)63 Watt300 Watt
Texture fill rate8.320589.7
Floating-point processing powerno data37.74 TFLOPS
ROPs16112
TMUs16336
Tensor Coresno data336
Ray Tracing Coresno data84

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 4.0 x16
Lengthno data267 mm
Width1-slot2-slot
Supplementary power connectors1x Molex8-pin EPS

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 typeGDDR3GDDR6
Maximum RAM amount256 MB48 GB
Memory bus width256 Bit384 Bit
Memory clock speed560 MHz1812 MHz
Memory bandwidth35.84 GB/s695.8 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 Connectors1x DVI, 1x VGA, 1x S-Video3x DisplayPort

API compatibility

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

DirectX9.0b (9_2)12 Ultimate (12_2)
Shader Modelno data6.5
OpenGL2.04.6
OpenCLN/A2.0
VulkanN/A1.2
CUDA-8.6

Pros & cons summary


Recency 1 May 2004 5 October 2020
Maximum RAM amount 256 MB 48 GB
Chip lithography 130 nm 8 nm
Power consumption (TDP) 63 Watt 300 Watt

ATI X800 XT Platinum AGP has 376.2% lower power consumption.

RTX A40, on the other hand, has an age advantage of 16 years, a 19100% higher maximum VRAM amount, and a 1525% more advanced lithography process.

We couldn't decide between Radeon X800 XT Platinum AGP and RTX A40. We've got no test results to judge.

Be aware that Radeon X800 XT Platinum AGP is a desktop card while RTX A40 is a workstation one.


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 X800 XT Platinum AGP
Radeon X800 XT Platinum AGP
NVIDIA RTX A40
RTX A40

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.


No user ratings yet.

Rate Radeon X800 XT Platinum AGP on a scale of 1 to 5:

  • 1
  • 2
  • 3
  • 4
  • 5
1.4 394 votes

Rate RTX A40 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.