HD 6740G2 vs HD 7660D

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Combined performance score

HD 7660D
1.30

HD 6740G2 outperforms HD 7660D by 27% in our combined benchmark results.

General info

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

Place in performance ranking987898
Place by popularitynot in top-100not in top-100
Value for money0.03no data
ArchitectureTerascale 3 (2010−2013)Terascale 2 (2009−2015)
GPU code nameTrinityno data
Market segmentDesktopLaptop
Release date26 September 2012 (11 years old)14 June 2011 (12 years old)
Launch price (MSRP)$122 no data
Current price$41 (0.3x MSRP)no data
Value for money

Performance to price ratio. The higher, the better.

no data

Technical specs

General performance parameters such as number of shaders, GPU core base clock and boost clock speeds, manufacturing process, texturing and calculation speed. These parameters indirectly speak of performance, but for precise assessment you have to consider their benchmark and gaming test results. Note that power consumption of some graphics cards can well exceed their nominal TDP, especially when overclocked.

Pipelines / CUDA cores384880
Core clock speed633 MHzno data
Boost clock speed800 MHzno data
Number of transistors1,303 millionno data
Manufacturing process technology32 nm40 nm
Power consumption (TDP)100 Wattno data
Texture fill rate19.20no data

Size and compatibility

Information on Radeon HD 7660D and Radeon HD 6740G2 compatibility with other computer components. Useful when choosing a future computer configuration or upgrading an existing one. For desktop video cards it's interface and bus (motherboard compatibility), additional power connectors (power supply compatibility). For notebook video cards it's notebook size, connection slot and bus, if the video card is inserted into a slot instead of being soldered to the notebook motherboard.

Laptop sizeno datamedium sized
InterfaceIGPno data
WidthIGPno data

Memory

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 typeSystem Sharedno data
Maximum RAM amountSystem Sharedno data
Memory bus widthSystem Sharedno data
Memory clock speedSystem Sharedno data
Shared memory+-

Video outputs and ports

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 outputsno data

API support

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

DirectX11.2 (11_0)11
Shader Model5.0no data
OpenGL4.4no data
OpenCL1.2no data
VulkanN/Ano data

Synthetic benchmark performance

Non-gaming benchmark performance comparison. The combined score is measured on a 0-100 point scale.


Combined synthetic benchmark score

This is our combined benchmark performance score. We are regularly improving our combining algorithms, but if you find some perceived inconsistencies, feel free to speak up in comments section, we usually fix problems quickly.

HD 7660D 1.30
HD 6740G2 1.65
+26.9%

HD 6740G2 outperforms HD 7660D by 27% in our combined benchmark results.


3DMark Vantage Performance

3DMark Vantage is an outdated DirectX 10 benchmark using 1280x1024 screen resolution. It taxes the graphics card with two scenes, one depicting a girl escaping some militarized base located within a sea cave, the other displaying a space fleet attack on a defenseless planet. It was discontinued in April 2017, and Time Spy benchmark is now recommended to be used instead.

Benchmark coverage: 17%

HD 7660D 5840
+14.8%
HD 6740G2 5088

HD 7660D outperforms HD 6740G2 by 15% in 3DMark Vantage Performance.

3DMark 11 Performance GPU

3DMark 11 is an obsolete DirectX 11 benchmark by Futuremark. It used four tests based on two scenes, one being few submarines exploring the submerged wreck of a sunken ship, the other is an abandoned temple deep in the jungle. All the tests are heavy with volumetric lighting and tessellation, and despite being done in 1280x720 resolution, are relatively taxing. Discontinued in January 2020, 3DMark 11 is now superseded by Time Spy.

Benchmark coverage: 17%

HD 7660D 1433
HD 6740G2 1597
+11.4%

HD 6740G2 outperforms HD 7660D by 11% in 3DMark 11 Performance GPU.

Gaming performance

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

Average FPS across all PC games

Here are the average frames per second in a large set of popular games across different resolutions:

Full HD17
−23.5%
21−24
+23.5%

Performance in popular games

Full HD
Low Preset

Cyberpunk 2077 4−5
+0%
4−5
+0%

Full HD
Medium Preset

Call of Duty: Modern Warfare 9−10
−11.1%
10−11
+11.1%
Cyberpunk 2077 4−5
+0%
4−5
+0%
Forza Horizon 4 1−2
−100%
2−3
+100%
Hitman 3 1−2
−100%
2−3
+100%
Horizon Zero Dawn 1−2
−100%
2−3
+100%
Red Dead Redemption 2 3−4
−33.3%
4−5
+33.3%
Shadow of the Tomb Raider 7−8
+0%
7−8
+0%

Full HD
High Preset

Call of Duty: Modern Warfare 9−10
−11.1%
10−11
+11.1%
Cyberpunk 2077 4−5
+0%
4−5
+0%
Forza Horizon 4 1−2
−100%
2−3
+100%
Hitman 3 1−2
−100%
2−3
+100%
Horizon Zero Dawn 1−2
−100%
2−3
+100%
Metro Exodus 2−3
+0%
2−3
+0%
Red Dead Redemption 2 3−4
−33.3%
4−5
+33.3%
Shadow of the Tomb Raider 7−8
+0%
7−8
+0%
The Witcher 3: Wild Hunt 4−5
−25%
5−6
+25%

Full HD
Ultra Preset

Cyberpunk 2077 4−5
+0%
4−5
+0%
Forza Horizon 4 1−2
−100%
2−3
+100%
The Witcher 3: Wild Hunt 4−5
−25%
5−6
+25%

1440p
High Preset

Call of Duty: Modern Warfare 3−4
−33.3%
4−5
+33.3%
Hitman 3 4−5
+0%
4−5
+0%
Horizon Zero Dawn 9−10
+0%
9−10
+0%
Red Dead Redemption 2 0−1 0−1
Shadow of the Tomb Raider 5−6
+0%
5−6
+0%

1440p
Ultra Preset

Cyberpunk 2077 1−2
+0%
1−2
+0%
Far Cry 5 2−3
−50%
3−4
+50%
The Witcher 3: Wild Hunt 2−3
+0%
2−3
+0%

4K
High Preset

Call of Duty: Modern Warfare 2−3
+0%
2−3
+0%
Hitman 3 1−2
−100%
2−3
+100%
Horizon Zero Dawn 8−9
+0%
8−9
+0%
Red Dead Redemption 2 0−1 0−1

4K
Ultra Preset

Assassin's Creed Odyssey 0−1 0−1
Assassin's Creed Valhalla 0−1 0−1
Far Cry 5 3−4
+0%
3−4
+0%
Far Cry New Dawn 5−6
+0%
5−6
+0%

This is how HD 7660D and HD 6740G2 compete in popular games:

1080p resolution:

  • HD 6740G2 is 23.5% faster than HD 7660D

Here's the range of performance differences observed across popular games:

  • in Forza Horizon 4, with 1080p resolution and the Medium Preset, the HD 6740G2 is 100% faster than the HD 7660D.

All in all, in popular games:

  • HD 6740G2 is ahead in 16 tests (50%)
  • there's a draw in 16 tests (50%)

Advantages and disadvantages


Performance score 1.30 1.65
Recency 26 September 2012 14 June 2011
Chip lithography 32 nm 40 nm

The Radeon HD 6740G2 is our recommended choice as it beats the Radeon HD 7660D in performance tests.

Be aware that Radeon HD 7660D is a desktop card while Radeon HD 6740G2 is a notebook one.


Should you still have questions concerning choice between the reviewed GPUs, ask them in Comments section, and we shall answer.

User ratings

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AMD Radeon HD 7660D
Radeon HD 7660D
AMD Radeon HD 6740G2
Radeon HD 6740G2

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