ATI Radeon X1950 XTX Uber Edition vs ATI X1900 XT

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)R500 (2005−2007)
GPU code nameR580R580+
Market segmentDesktopDesktop
Release date24 January 2006 (18 years ago)19 January 2007 (17 years ago)
Launch price (MSRP)$299 $788

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 speed625 MHz670 MHz
Number of transistors384 million384 million
Manufacturing process technology90 nm90 nm
Power consumption (TDP)100 Watt125 Watt
Texture fill rate10.0010.72
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
Length242 mm230 mm
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 typeGDDR3GDDR4
Maximum RAM amount256 MB512 MB
Memory bus width256 Bit256 Bit
Memory clock speed725 MHz1050 MHz
Memory bandwidth46.4 GB/s67.2 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-Video1x DVI, 1x VHDCI

API compatibility

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

DirectX9.0c (9_3)9.0c (9_3)
Shader Model3.03.0
OpenGL2.1 (full) 3.0 (partial)2.0
OpenCLN/AN/A
VulkanN/AN/A

Pros & cons summary


Recency 24 January 2006 19 January 2007
Maximum RAM amount 256 MB 512 MB
Power consumption (TDP) 100 Watt 125 Watt

ATI X1900 XT has 25% lower power consumption.

ATI X1950 XTX Uber Edition, on the other hand, has an age advantage of 11 months, and a 100% higher maximum VRAM amount.

We couldn't decide between Radeon X1900 XT and Radeon X1950 XTX Uber 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 X1900 XT
Radeon X1900 XT
ATI Radeon X1950 XTX Uber Edition
Radeon X1950 XTX Uber 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 31 vote

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

  • 1
  • 2
  • 3
  • 4
  • 5
5 1 vote

Rate Radeon X1950 XTX Uber 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.