Radeon X1900 XT vs GeForce 6800 GT

Primary Details

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

Place in performance rankingnot ratednot rated
Place by popularitynot in top-100not in top-100
ArchitectureCurie (2003−2013)R500 (2005−2007)
GPU code nameNV45R580
Market segmentDesktopDesktop
Release date8 June 2004 (19 years ago)24 January 2006 (18 years ago)
Launch price (MSRP)no data$299
Current price$213 $5.99 (0x MSRP)

Detailed Specifications

General performance parameters such as number of shaders, GPU core base clock and boost clock speeds, manufacturing process, texturing and calculation speed. These parameters indirectly speak of performance, but for precise assessment you have to consider their benchmark and gaming test results. Note that power consumption of some graphics cards can well exceed their nominal TDP, especially when overclocked.

Core clock speed350 MHz625 MHz
Number of transistors222 million384 million
Manufacturing process technology130 nm90 nm
Power consumption (TDP)67 Watt100 Watt
Texture fill rate5.60010.00

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
Lengthno data242 mm
Width1-slot2-slot
Supplementary power connectors1x 6-pin1x 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 typeGDDR3GDDR3
Maximum RAM amount256 MB256 MB
Memory bus width256 Bit256 Bit
Memory clock speed1000 MHz1450 MBps
Memory bandwidth32 GB/s46.4 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 graphics and general-purpose computing APIs, including their specific versions.

DirectX9.0c (9_3)9.0c (9_3)
Shader Model3.03.0
OpenGL2.12.1 (full) 3.0 (partial)
OpenCLN/AN/A
VulkanN/AN/A

Pros & Cons Summary


Recency 8 June 2004 24 January 2006
Chip lithography 130 nm 90 nm
Power consumption (TDP) 67 Watt 100 Watt

We couldn't decide between GeForce 6800 GT and Radeon X1900 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.

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 6800 GT
GeForce 6800 GT
ATI Radeon X1900 XT
Radeon X1900 XT

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 rating of the graphics cards, as well as rate them yourself.


2.6 93 votes

Rate GeForce 6800 GT on a scale of 1 to 5:

  • 1
  • 2
  • 3
  • 4
  • 5
2 18 votes

Rate Radeon X1900 XT on a scale of 1 to 5:

  • 1
  • 2
  • 3
  • 4
  • 5

Questions & Сomments

Here you can ask a question about this comparison, agree or disagree with our judgements, or report an error or mismatch.