ATI Radeon X800 XT vs GeForce 6600 AGP

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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
ArchitectureCurie (2003−2013)R400 (2004−2008)
GPU code nameNV43 A2R423
Market segmentDesktopDesktop
Release date12 August 2004 (20 years ago)1 December 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 speed300 MHz500 MHz
Number of transistors146 million160 million
Manufacturing process technology110 nm130 nm
Power consumption (TDP)no data54 Watt
Texture fill rate2.4008.000
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 x16PCIe 1.0 x16
Width1-slot1-slot
Supplementary power connectorsNone1x 6-pin

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 MB256 MB
Memory bus width128 Bit256 Bit
Memory clock speed250 MHz500 MHz
Memory bandwidth8 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.

DirectX9.0c (9_3)9.0b (9_2)
Shader Model3.0no data
OpenGL2.12.0
OpenCLN/AN/A
VulkanN/AN/A

Pros & cons summary


Recency 12 August 2004 1 December 2004
Maximum RAM amount 128 MB 256 MB
Chip lithography 110 nm 130 nm

6600 AGP has a 18.2% more advanced lithography process.

ATI X800 XT, on the other hand, has an age advantage of 3 months, and a 100% higher maximum VRAM amount.

We couldn't decide between GeForce 6600 AGP and Radeon X800 XT. 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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NVIDIA GeForce 6600 AGP
GeForce 6600 AGP
ATI Radeon X800 XT
Radeon X800 XT

Comparisons with similar GPUs

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Community ratings

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4.2 5 votes

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4.2 15 votes

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Questions & comments

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