ATI Radeon X800 XT Platinum AGP vs GeForce 6800 Ultra

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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 nameNV45R420
Market segmentDesktopDesktop
Release date26 July 2004 (20 years ago)1 May 2004 (20 years ago)
Launch price (MSRP)$499 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.

Core clock speed425 MHz520 MHz
Number of transistors222 million160 million
Manufacturing process technology130 nm130 nm
Power consumption (TDP)81 Watt63 Watt
Texture fill rate6.8008.320
ROPs1616
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 x16AGP 8x
Length197 mmno data
Width2-slot1-slot
Supplementary power connectors1x 6-pin1x 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 MB256 MB
Memory bus width256 Bit256 Bit
Memory clock speed550 MHz560 MHz
Memory bandwidth35.2 GB/s35.84 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-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 26 July 2004 1 May 2004
Power consumption (TDP) 81 Watt 63 Watt

6800 Ultra has an age advantage of 2 months.

ATI X800 XT Platinum AGP, on the other hand, has 28.6% lower power consumption.

We couldn't decide between GeForce 6800 Ultra and Radeon X800 XT Platinum 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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NVIDIA GeForce 6800 Ultra
GeForce 6800 Ultra
ATI Radeon X800 XT Platinum AGP
Radeon X800 XT Platinum AGP

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