ATI Radeon X800 XT Platinum AGP vs ATI X850 CrossFire Edition

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
ArchitectureR400 (2004−2008)R400 (2004−2008)
GPU code nameR480R420
Market segmentDesktopDesktop
Release date10 September 2006 (18 years ago)1 May 2004 (20 years ago)

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 speed520 MHz520 MHz
Number of transistors160 million160 million
Manufacturing process technology130 nm130 nm
Power consumption (TDP)no data63 Watt
Texture fill rate8.3208.320

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
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 speed1080 MHz1120 MHz
Memory bandwidth34.56 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 DVI1x DVI, 1x VGA, 1x S-Video

API compatibility

List of supported graphics and general-purpose computing APIs, including their specific versions.

DirectX9.0b (9_2)9.0b (9_2)
OpenGL2.02.0
OpenCLN/AN/A
VulkanN/AN/A

Pros & cons summary


Recency 10 September 2006 1 May 2004

ATI X850 CrossFire Edition has an age advantage of 2 years.

We couldn't decide between Radeon X850 CrossFire Edition 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.

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 X850 CrossFire Edition
Radeon X850 CrossFire Edition
ATI Radeon X800 XT Platinum AGP
Radeon X800 XT Platinum 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.


No user ratings yet.

Rate Radeon X850 CrossFire Edition on a scale of 1 to 5:

  • 1
  • 2
  • 3
  • 4
  • 5

No user ratings yet.

Rate Radeon X800 XT Platinum 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.