GeForce 6600 GT AGP vs ATI Radeon X800 GTO

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)Curie (2003−2013)
GPU code nameR423NV43 A2
Market segmentDesktopDesktop
Release date29 December 2007 (16 years ago)14 November 2004 (19 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.

Core clock speed400 MHz500 MHz
Number of transistors160 million146 million
Manufacturing process technology130 nm110 nm
Power consumption (TDP)49 Watt47 Watt
Texture fill rate4.8004.000
ROPs124
TMUs128

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
Width1-slot1-slot
Supplementary power connectorsNone1x Molex

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 typeDDRGDDR3
Maximum RAM amount128 MB128 MB
Memory bus width256 Bit128 Bit
Memory clock speed350 MHz475 MHz
Memory bandwidth22.4 GB/s15.2 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.

DirectX9.0b (9_2)9.0c (9_3)
Shader Modelno data3.0
OpenGL2.02.1
OpenCLN/AN/A
VulkanN/AN/A

Pros & cons summary


Recency 29 December 2007 14 November 2004
Chip lithography 130 nm 110 nm
Power consumption (TDP) 49 Watt 47 Watt

ATI X800 GTO has an age advantage of 3 years.

6600 GT AGP, on the other hand, has a 18.2% more advanced lithography process, and 4.3% lower power consumption.

We couldn't decide between Radeon X800 GTO and GeForce 6600 GT 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.


ATI Radeon X800 GTO
Radeon X800 GTO
NVIDIA GeForce 6600 GT AGP
GeForce 6600 GT 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.


3.1 31 vote

Rate Radeon X800 GTO on a scale of 1 to 5:

  • 1
  • 2
  • 3
  • 4
  • 5
3.9 23 votes

Rate GeForce 6600 GT 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.