ATI Radeon X850 CrossFire Edition vs ATI X1950 CrossFire Edition

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
ArchitectureR500 (2005−2007)R400 (2004−2008)
GPU code nameR580+R480
Market segmentDesktopDesktop
Release date10 September 2006 (18 years ago)10 September 2006 (18 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 speed650 MHz520 MHz
Number of transistors384 million160 million
Manufacturing process technology90 nm130 nm
Texture fill rate10.408.320
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 x16PCIe 1.0 x16
Width2-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 typeGDDR4GDDR3
Maximum RAM amount512 MB256 MB
Memory bus width256 Bit256 Bit
Memory clock speed1000 MHz540 MHz
Memory bandwidth64 GB/s34.56 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 VHDCI2x DVI

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
OpenGL2.02.0
OpenCLN/AN/A
VulkanN/AN/A

Pros & cons summary


Maximum RAM amount 512 MB 256 MB
Chip lithography 90 nm 130 nm

ATI X1950 CrossFire Edition has a 100% higher maximum VRAM amount, and a 44.4% more advanced lithography process.

We couldn't decide between Radeon X1950 CrossFire Edition and Radeon X850 CrossFire Edition. 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 X1950 CrossFire Edition
Radeon X1950 CrossFire Edition
ATI Radeon X850 CrossFire Edition
Radeon X850 CrossFire Edition

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.


2.4 5 votes

Rate Radeon X1950 CrossFire Edition on a scale of 1 to 5:

  • 1
  • 2
  • 3
  • 4
  • 5

No user ratings yet.

Rate Radeon X850 CrossFire Edition 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.