Radeon HD 6480G vs ATI X1900 XTX

Primary details

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

Place in the rankingnot rated1177
Place by popularitynot in top-100not in top-100
Power efficiencyno data1.31
ArchitectureR500 (2005−2007)TeraScale 2 (2009−2015)
GPU code nameR580Sumo
Market segmentDesktopDesktop
Release date24 January 2006 (18 years ago)14 June 2011 (13 years ago)
Launch price (MSRP)$399 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 coresno data240
Core clock speed650 MHz444 MHz
Number of transistors384 million1,178 million
Manufacturing process technology90 nm32 nm
Power consumption (TDP)135 Watt35 Watt
Texture fill rate10.405.328
Floating-point processing powerno data0.2131 TFLOPS
ROPs164
TMUs1612

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 x16IGP
Length242 mmno data
Width2-slotIGP
Supplementary power connectors1x 6-pinno data

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 typeGDDR3System Shared
Maximum RAM amount512 MBSystem Shared
Memory bus width256 BitSystem Shared
Memory clock speed775 MHzSystem Shared
Memory bandwidth49.6 GB/sno data
Shared memory-+

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-VideoNo outputs

API compatibility

List of supported 3D and general-purpose computing APIs, including their specific versions.

DirectX9.0c (9_3)11.2 (11_0)
Shader Model3.05.0
OpenGL2.1 (full) 3.0 (partial)4.4
OpenCLN/A1.2
VulkanN/AN/A

Pros & cons summary


Recency 24 January 2006 14 June 2011
Chip lithography 90 nm 32 nm
Power consumption (TDP) 135 Watt 35 Watt

HD 6480G has an age advantage of 5 years, a 181.3% more advanced lithography process, and 285.7% lower power consumption.

We couldn't decide between Radeon X1900 XTX and Radeon HD 6480G. 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 X1900 XTX
Radeon X1900 XTX
AMD Radeon HD 6480G
Radeon HD 6480G

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 9 votes

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

  • 1
  • 2
  • 3
  • 4
  • 5
2.8 130 votes

Rate Radeon HD 6480G 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.