ATI Radeon X800 XL AGP vs GeForce 8400 GS

Primary details

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

Place in the ranking1252not rated
Place by popularitynot in top-100not in top-100
Power efficiency0.70no data
ArchitectureTesla (2006−2010)R400 (2004−2008)
GPU code nameG86R430
Market segmentDesktopDesktop
Release date17 April 2007 (17 years ago)1 May 2004 (20 years ago)
Launch price (MSRP)$29.99 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 cores16no data
Core clock speed459 MHz400 MHz
Number of transistors210 million160 million
Manufacturing process technology80 nm110 nm
Power consumption (TDP)40 Watt49 Watt
Texture fill rate3.6726.400
Floating-point processing power0.02938 TFLOPSno data
ROPs416
TMUs816

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 x16AGP 8x
Length170 mmno data
Width1-slot1-slot
Supplementary power connectorsNone1x Molex
SLI options+-

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 typeDDR2GDDR3
Maximum RAM amount256 MB256 MB
Standard memory config per GPU256 MBno data
Memory bus width64 Bit256 Bit
Memory clock speed400 MHz500 MHz
Memory bandwidth6.4 GB/s32 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-Video1x DVI, 1x VGA, 1x S-Video

API compatibility

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

DirectX11.1 (10_0)9.0b (9_2)
Shader Model4.0no data
OpenGL2.12.0
OpenCL1.1N/A
VulkanN/AN/A
CUDA1.1-

Pros & cons summary


Recency 17 April 2007 1 May 2004
Chip lithography 80 nm 110 nm
Power consumption (TDP) 40 Watt 49 Watt

8400 GS has an age advantage of 2 years, a 37.5% more advanced lithography process, and 22.5% lower power consumption.

We couldn't decide between GeForce 8400 GS and Radeon X800 XL AGP. 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.


NVIDIA GeForce 8400 GS
GeForce 8400 GS
ATI Radeon X800 XL AGP
Radeon X800 XL AGP

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.


3 614 votes

Rate GeForce 8400 GS on a scale of 1 to 5:

  • 1
  • 2
  • 3
  • 4
  • 5
4 4 votes

Rate Radeon X800 XL AGP 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.