ATI Radeon X1900 XT vs ATI HD 2600 XT

Primary details

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

Place in the ranking1159not rated
Place by popularitynot in top-100not in top-100
Cost-effectiveness evaluation0.01no data
Power efficiency1.12no data
ArchitectureTeraScale (2005−2013)R500 (2005−2007)
GPU code nameRV630R580
Market segmentDesktopDesktop
Release date28 June 2007 (17 years ago)24 January 2006 (18 years ago)
Launch price (MSRP)$199 $299

Cost-effectiveness evaluation

Performance to price ratio. The higher, the better.

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.

Pipelines / CUDA cores120no data
Core clock speed800 MHz625 MHz
Number of transistors390 million384 million
Manufacturing process technology65 nm90 nm
Power consumption (TDP)45 Watt100 Watt
Texture fill rate6.40010.00
Floating-point processing power0.192 TFLOPSno data
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
Lengthno data242 mm
Width1-slot2-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 typeGDDR3GDDR3
Maximum RAM amount256 MB256 MB
Memory bus width128 Bit256 Bit
Memory clock speed700 MHz725 MHz
Memory bandwidth22.4 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 3D and general-purpose computing APIs, including their specific versions.

DirectX10.0 (10_0)9.0c (9_3)
Shader Model4.03.0
OpenGL3.32.1 (full) 3.0 (partial)
OpenCLN/AN/A
VulkanN/AN/A

Pros & cons summary


Recency 28 June 2007 24 January 2006
Chip lithography 65 nm 90 nm
Power consumption (TDP) 45 Watt 100 Watt

ATI HD 2600 XT has an age advantage of 1 year, a 38.5% more advanced lithography process, and 122.2% lower power consumption.

We couldn't decide between Radeon HD 2600 XT 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.


ATI Radeon HD 2600 XT
Radeon HD 2600 XT
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 ratings of the compared graphics cards, as well as rate them yourself.


3.4 90 votes

Rate Radeon HD 2600 XT on a scale of 1 to 5:

  • 1
  • 2
  • 3
  • 4
  • 5
2.4 31 vote

Rate Radeon X1900 XT 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.