GeForce 6600 GT vs ATI Mobility Radeon HD 2600 XT

Aggregate performance score

We've compared Mobility Radeon HD 2600 XT with GeForce 6600 GT, including specs and performance data.

ATI Mobility HD 2600 XT
2007
256 MB GDDR3
0.33

6600 GT outperforms ATI Mobility HD 2600 XT by a moderate 12% based on our aggregate benchmark results.

Primary details

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

Place in the ranking13041270
Place by popularitynot in top-100not in top-100
ArchitectureTeraScale (2005−2013)Curie (2003−2013)
GPU code nameM76NV43 A2
Market segmentLaptopDesktop
Release date14 May 2007 (17 years ago)12 August 2004 (20 years ago)
Launch price (MSRP)no data$64.95

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 speed680 MHz500 MHz
Number of transistors390 million146 million
Manufacturing process technology65 nm110 nm
Texture fill rate5.4404.000
Floating-point processing power0.1632 TFLOPSno data
ROPs44
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).

Laptop sizelargeno data
InterfaceMXM-IIPCIe 1.0 x16
Widthno data1-slot
Supplementary power connectorsno dataNone

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 MB128 MB
Memory bus width128 Bit128 Bit
Memory clock speed750 MHz500 MHz
Memory bandwidth24 GB/s16 GB/s
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 ConnectorsNo outputs1x DVI, 1x VGA, 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
OpenCLN/AN/A
VulkanN/AN/A

Gaming performance

Let's see how good the compared graphics cards are for gaming. Particular gaming benchmark results are measured in FPS.

FPS performance in popular games

Full HD
Low Preset

Cyberpunk 2077 2−3
+0%
2−3
+0%

Full HD
Medium Preset

Assassin's Creed Odyssey 3−4
+0%
3−4
+0%
Call of Duty: Modern Warfare 2−3
+0%
2−3
+0%
Cyberpunk 2077 2−3
+0%
2−3
+0%
Hitman 3 4−5
+0%
4−5
+0%
Horizon Zero Dawn 8−9
+0%
8−9
+0%
Shadow of the Tomb Raider 4−5
+0%
4−5
+0%
Watch Dogs: Legion 27−30
−7.1%
30−33
+7.1%

Full HD
High Preset

Assassin's Creed Odyssey 3−4
+0%
3−4
+0%
Call of Duty: Modern Warfare 2−3
+0%
2−3
+0%
Cyberpunk 2077 2−3
+0%
2−3
+0%
Hitman 3 4−5
+0%
4−5
+0%
Horizon Zero Dawn 8−9
+0%
8−9
+0%
Shadow of the Tomb Raider 4−5
+0%
4−5
+0%
The Witcher 3: Wild Hunt 9−10
−11.1%
10−11
+11.1%
Watch Dogs: Legion 27−30
−7.1%
30−33
+7.1%

Full HD
Ultra Preset

Assassin's Creed Odyssey 3−4
+0%
3−4
+0%
Call of Duty: Modern Warfare 2−3
+0%
2−3
+0%
Cyberpunk 2077 2−3
+0%
2−3
+0%
Hitman 3 4−5
+0%
4−5
+0%
Horizon Zero Dawn 8−9
+0%
8−9
+0%
Shadow of the Tomb Raider 4−5
+0%
4−5
+0%
The Witcher 3: Wild Hunt 9−10
−11.1%
10−11
+11.1%
Watch Dogs: Legion 27−30
−7.1%
30−33
+7.1%

1440p
Ultra Preset

Cyberpunk 2077 0−1 0−1
Hitman 3 6−7
+0%
6−7
+0%
Horizon Zero Dawn 2−3
+0%
2−3
+0%

1440p
Epic Preset

Red Dead Redemption 2 2−3
+0%
2−3
+0%

4K
Ultra Preset

Assassin's Creed Odyssey 1−2
+0%
1−2
+0%
Assassin's Creed Valhalla 0−1 0−1

4K
Epic Preset

Red Dead Redemption 2 2−3
+0%
2−3
+0%

Pros & cons summary


Performance score 0.33 0.37
Recency 14 May 2007 12 August 2004
Maximum RAM amount 256 MB 128 MB
Chip lithography 65 nm 110 nm

ATI Mobility HD 2600 XT has an age advantage of 2 years, a 100% higher maximum VRAM amount, and a 69.2% more advanced lithography process.

6600 GT, on the other hand, has a 12.1% higher aggregate performance score.

The GeForce 6600 GT is our recommended choice as it beats the Mobility Radeon HD 2600 XT in performance tests.

Be aware that Mobility Radeon HD 2600 XT is a notebook card while GeForce 6600 GT is a desktop one.


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 Mobility Radeon HD 2600 XT
Mobility Radeon HD 2600 XT
NVIDIA GeForce 6600 GT
GeForce 6600 GT

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.


5 3 votes

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

  • 1
  • 2
  • 3
  • 4
  • 5
3.1 228 votes

Rate GeForce 6600 GT 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.