HD 6620G vs HD 7640G + HD 7670M Dual Graphics

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Combined performance score

HD 7640G + HD 7670M Dual Graphics
1.58
+79.5%

HD 7640G + HD 7670M Dual Graphics outperforms HD 6620G by 80% in our combined benchmark results.

General info

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

Place in performance ranking9131085
Place by popularitynot in top-100not in top-100
Value for moneyno data0.01
ArchitectureTerascale 3 (2010−2013)Terascale 2 (2009−2015)
GPU code nameno dataLlano
Market segmentLaptopLaptop
Release date15 May 2012 (11 years old)15 June 2011 (12 years old)
Current price$90 $338
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 cores736400
Core clock speed655 / 600 MHz400 MHz
Number of transistorsno data1000 Million
Manufacturing process technology40 nm32 nm
Power consumption (TDP)no data35 Watt
Texture fill rateno data8.880

Size and compatibility

Information on Radeon HD 7640G + HD 7670M Dual Graphics and Radeon HD 6620G compatibility with other computer components. Useful when choosing a future computer configuration or upgrading an existing one. 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 sizemedium sizedmedium sized
Interfaceno dataIGP

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 typeno dataSystem Shared
Maximum RAM amountno dataSystem Shared
Memory bus width128 BitSystem Shared
Memory clock speed1800 MHzSystem Shared
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 dataNo outputs

API support

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

DirectX1111.2 (11_0)
Shader Modelno data5.0
OpenGLno data4.4
OpenCLno data1.2
Vulkanno dataN/A

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 7640G + HD 7670M Dual Graphics 1.58
+79.5%
HD 6620G 0.88

HD 7640G + HD 7670M Dual Graphics outperforms HD 6620G by 80% 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 7640G + HD 7670M Dual Graphics 5049
+107%
HD 6620G 2443

HD 7640G + HD 7670M Dual Graphics outperforms HD 6620G by 107% 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 7640G + HD 7670M Dual Graphics 1649
+154%
HD 6620G 650

HD 7640G + HD 7670M Dual Graphics outperforms HD 6620G by 154% 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 HD57
+338%
13
−338%

Performance in popular games

Full HD
Low Preset

Cyberpunk 2077 4−5
+33.3%
3−4
−33.3%

Full HD
Medium Preset

Assassin's Creed Odyssey 1−2 0−1
Battlefield 5 1−2 0−1
Call of Duty: Modern Warfare 10−11
+11.1%
9−10
−11.1%
Cyberpunk 2077 4−5
+33.3%
3−4
−33.3%
Far Cry 5 0−1 0−1
Forza Horizon 4 2−3
+100%
1−2
−100%
Hitman 3 2−3 0−1
Horizon Zero Dawn 2−3 0−1
Red Dead Redemption 2 4−5
+33.3%
3−4
−33.3%
Shadow of the Tomb Raider 7−8
+16.7%
6−7
−16.7%

Full HD
High Preset

Assassin's Creed Odyssey 1−2 0−1
Battlefield 5 1−2 0−1
Call of Duty: Modern Warfare 10−11
+11.1%
9−10
−11.1%
Cyberpunk 2077 4−5
+33.3%
3−4
−33.3%
Far Cry 5 0−1 0−1
Forza Horizon 4 2−3
+100%
1−2
−100%
Hitman 3 2−3 0−1
Horizon Zero Dawn 2−3 0−1
Metro Exodus 2−3
+100%
1−2
−100%
Red Dead Redemption 2 4−5
+33.3%
3−4
−33.3%
Shadow of the Tomb Raider 7−8
+16.7%
6−7
−16.7%
The Witcher 3: Wild Hunt 4−5
+33.3%
3−4
−33.3%

Full HD
Ultra Preset

Assassin's Creed Odyssey 1−2 0−1
Battlefield 5 1−2 0−1
Cyberpunk 2077 4−5
+33.3%
3−4
−33.3%
Far Cry 5 0−1 0−1
Forza Horizon 4 2−3
+100%
1−2
−100%
The Witcher 3: Wild Hunt 4−5
+33.3%
3−4
−33.3%

1440p
High Preset

Call of Duty: Modern Warfare 4−5
+33.3%
3−4
−33.3%
Hitman 3 4−5
+33.3%
3−4
−33.3%
Horizon Zero Dawn 9−10
+12.5%
8−9
−12.5%
Red Dead Redemption 2 0−1 0−1
Shadow of the Tomb Raider 5−6
+25%
4−5
−25%

1440p
Ultra Preset

Cyberpunk 2077 1−2
+0%
1−2
+0%
Far Cry 5 2−3
+100%
1−2
−100%
The Witcher 3: Wild Hunt 2−3
+100%
1−2
−100%

4K
High Preset

Call of Duty: Modern Warfare 2−3
+100%
1−2
−100%
Hitman 3 2−3
+100%
1−2
−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 7640G + HD 7670M Dual Graphics and HD 6620G compete in popular games:

1080p resolution:

  • HD 7640G + HD 7670M Dual Graphics is 338% faster than HD 6620G

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

  • in Metro Exodus, with 1080p resolution and the High Preset, the HD 7640G + HD 7670M Dual Graphics is 100% faster than the HD 6620G.

All in all, in popular games:

  • HD 7640G + HD 7670M Dual Graphics is ahead in 21 test (84%)
  • there's a draw in 4 tests (16%)

Advantages and disadvantages


Performance score 1.58 0.88
Recency 15 May 2012 15 June 2011
Chip lithography 40 nm 32 nm

The Radeon HD 7640G + HD 7670M Dual Graphics is our recommended choice as it beats the Radeon HD 6620G in performance tests.


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

User ratings

Do you think we are right or mistaken in our choice? Vote by clicking "Like" button near your favorite graphics card.


AMD Radeon HD 7640G + HD 7670M Dual Graphics
Radeon HD 7640G + HD 7670M Dual Graphics
AMD Radeon HD 6620G
Radeon HD 6620G

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