ATI Radeon X1650 XT vs GeForce 6600

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
ArchitectureCurie (2003−2013)R500 (2005−2007)
GPU code nameNV43 A2RV560
Market segmentDesktopDesktop
Release date12 August 2004 (20 years ago)30 October 2006 (18 years ago)
Launch price (MSRP)no data$199

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 speed300 MHz525 MHz
Number of transistors146 million330 million
Manufacturing process technology110 nm80 nm
Power consumption (TDP)no data55 Watt
Texture fill rate2.4004.200
ROPs48
TMUs88

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
Width1-slot1-slot
Supplementary power connectorsNoneNone

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 typeDDRGDDR3
Maximum RAM amount256 MB256 MB
Memory bus width128 Bit128 Bit
Memory clock speed250 MHz700 MHz
Memory bandwidth8 GB/s22.4 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 Connectors1x DVI, 1x VGA, 1x S-Video2x DVI, 1x S-Video

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
OpenGL2.12.0
OpenCLN/AN/A
VulkanN/AN/A

Pros & cons summary


Recency 12 August 2004 30 October 2006
Chip lithography 110 nm 80 nm

ATI X1650 XT has an age advantage of 2 years, and a 37.5% more advanced lithography process.

We couldn't decide between GeForce 6600 and Radeon X1650 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.


NVIDIA GeForce 6600
GeForce 6600
ATI Radeon X1650 XT
Radeon X1650 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.


2.8 278 votes

Rate GeForce 6600 on a scale of 1 to 5:

  • 1
  • 2
  • 3
  • 4
  • 5
3.4 9 votes

Rate Radeon X1650 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.