GeForce 6600 GT AGP vs ATI Radeon X800 PRO

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Primary details

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

Place in the ranking1413not rated
Place by popularitynot in top-100not in top-100
Power efficiency0.24no data
ArchitectureR400 (2004−2008)Curie (2003−2013)
GPU code nameR423NV43 A2
Market segmentDesktopDesktop
Release date1 May 2004 (20 years ago)14 November 2004 (20 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 speed475 MHz500 MHz
Number of transistors160 million146 million
Manufacturing process technology130 nm110 nm
Power consumption (TDP)48 Watt47 Watt
Texture fill rate5.7004.000
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 connectors1x Molex1x 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 typeGDDR3GDDR3
Maximum RAM amount256 MB128 MB
Memory bus width256 Bit128 Bit
Memory clock speed450 MHz475 MHz
Memory bandwidth28.8 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 1 May 2004 14 November 2004
Maximum RAM amount 256 MB 128 MB
Chip lithography 130 nm 110 nm
Power consumption (TDP) 48 Watt 47 Watt

ATI X800 PRO has a 100% higher maximum VRAM amount.

6600 GT AGP, on the other hand, has an age advantage of 6 months, a 18.2% more advanced lithography process, and 2.1% lower power consumption.

We couldn't decide between Radeon X800 PRO 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.

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ATI Radeon X800 PRO
Radeon X800 PRO
NVIDIA GeForce 6600 GT AGP
GeForce 6600 GT AGP

Comparisons with similar GPUs

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Community ratings

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3.5 2 votes

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

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3.9 23 votes

Rate GeForce 6600 GT AGP on a scale of 1 to 5:

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Questions & comments

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