ATI Radeon X1800 XL vs GeForce 8600 GT

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
ArchitectureTesla (2006−2010)R500 (2005−2007)
GPU code nameG84R520
Market segmentDesktopDesktop
Release date17 April 2007 (17 years ago)1 October 2005 (19 years ago)
Launch price (MSRP)$159 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 cores32no data
Core clock speed540 MHz500 MHz
Number of transistors289 million321 million
Manufacturing process technology80 nm90 nm
Power consumption (TDP)47 Watt70 Watt
Texture fill rate8.6408.000
Floating-point processing power0.07616 TFLOPSno data
ROPs816
TMUs1616

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 1.0 x16
Length170 mm241 mm
Width1-slot1-slot
Supplementary power connectorsNone1x 6-pin
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 typeGDDR3GDDR3
Maximum RAM amount512 MB256 MB
Standard memory config per GPU256 MBno data
Memory bus width128 Bit256 Bit
Memory clock speed700 MHz500 MHz
Memory bandwidth22.4 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 Connectors2x DVI, 1x S-Video2x DVI, 1x S-Video

API compatibility

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

DirectX11.1 (10_0)9.0c (9_3)
Shader Model4.03.0
OpenGL2.12.0
OpenCL1.1N/A
VulkanN/AN/A
CUDA1.1-

Pros & cons summary


Recency 17 April 2007 1 October 2005
Maximum RAM amount 512 MB 256 MB
Chip lithography 80 nm 90 nm
Power consumption (TDP) 47 Watt 70 Watt

8600 GT has an age advantage of 1 year, a 100% higher maximum VRAM amount, a 12.5% more advanced lithography process, and 48.9% lower power consumption.

We couldn't decide between GeForce 8600 GT and Radeon X1800 XL. 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 8600 GT
GeForce 8600 GT
ATI Radeon X1800 XL
Radeon X1800 XL

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.


3.1 1011 votes

Rate GeForce 8600 GT on a scale of 1 to 5:

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

Rate Radeon X1800 XL 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.