Radeon HD 7640G + HD 7670M Dual Graphics vs GeForce GT 820M

VS

Aggregate performance score

We've compared GeForce GT 820M and Radeon HD 7640G + HD 7670M Dual Graphics, covering specs and all relevant benchmarks.

GT 820M
2013
1 GB DDR3, 15 Watt
1.45

HD 7640G + HD 7670M Dual Graphics outperforms GT 820M 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 ranking993957
Place by popularitynot in top-100not in top-100
Power efficiency6.63no data
ArchitectureFermi 2.0 (2010−2014)Terascale 3 (2010−2013)
GPU code nameGF117no data
Market segmentLaptopLaptop
Release date27 November 2013 (11 years ago)15 May 2012 (12 years ago)

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 cores96736
Core clock speed775 MHz655 / 600 MHz
Number of transistors585 millionno data
Manufacturing process technology28 nm40 nm
Power consumption (TDP)15 Wattno data
Texture fill rate12.40no data
Floating-point processing power0.2976 TFLOPSno data
ROPs8no data
TMUs16no data

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 sizeno datamedium sized
InterfacePCIe 2.0 x16no data

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 typeDDR3no data
Maximum RAM amount1 GBno data
Memory bus width64 Bit128 Bit
Memory clock speed900 MHz1800 MHz
Memory bandwidth14.4 GB/sno data
Shared memoryno data+

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 outputsno data

API compatibility

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

DirectX12 (11_0)11
Shader Model5.1no data
OpenGL4.6no data
OpenCL1.1no data
VulkanN/A-
CUDA2.1-

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 HD60−65
−13.3%
68
+13.3%

FPS performance in popular games

Full HD
Low Preset

Cyberpunk 2077 4−5
+0%
4−5
+0%

Full HD
Medium Preset

Assassin's Creed Odyssey 6−7
+0%
6−7
+0%
Call of Duty: Modern Warfare 5−6
+0%
5−6
+0%
Cyberpunk 2077 4−5
+0%
4−5
+0%
Far Cry 5 2−3
+0%
2−3
+0%
Far Cry New Dawn 4−5
+0%
4−5
+0%
Forza Horizon 4 5−6
+0%
5−6
+0%
Hitman 3 6−7
+0%
6−7
+0%
Horizon Zero Dawn 16−18
+0%
16−18
+0%
Red Dead Redemption 2 3−4
+0%
3−4
+0%
Shadow of the Tomb Raider 9−10
+0%
9−10
+0%
Watch Dogs: Legion 30−35
+0%
30−35
+0%

Full HD
High Preset

Assassin's Creed Odyssey 6−7
+0%
6−7
+0%
Call of Duty: Modern Warfare 5−6
+0%
5−6
+0%
Cyberpunk 2077 4−5
+0%
4−5
+0%
Far Cry 5 2−3
+0%
2−3
+0%
Far Cry New Dawn 4−5
+0%
4−5
+0%
Forza Horizon 4 5−6
+0%
5−6
+0%
Hitman 3 6−7
+0%
6−7
+0%
Horizon Zero Dawn 16−18
+0%
16−18
+0%
Red Dead Redemption 2 3−4
+0%
3−4
+0%
Shadow of the Tomb Raider 9−10
+0%
9−10
+0%
The Witcher 3: Wild Hunt 12−14
+0%
12−14
+0%
Watch Dogs: Legion 30−35
+0%
30−35
+0%

Full HD
Ultra Preset

Assassin's Creed Odyssey 6−7
+0%
6−7
+0%
Call of Duty: Modern Warfare 5−6
+0%
5−6
+0%
Cyberpunk 2077 4−5
+0%
4−5
+0%
Far Cry 5 2−3
+0%
2−3
+0%
Forza Horizon 4 5−6
+0%
5−6
+0%
Hitman 3 6−7
+0%
6−7
+0%
Horizon Zero Dawn 16−18
+0%
16−18
+0%
Shadow of the Tomb Raider 9−10
+0%
9−10
+0%
The Witcher 3: Wild Hunt 12−14
+0%
12−14
+0%
Watch Dogs: Legion 30−35
+0%
30−35
+0%

Full HD
Epic Preset

Red Dead Redemption 2 3−4
+0%
3−4
+0%

1440p
High Preset

Battlefield 5 2−3
+0%
2−3
+0%
Far Cry New Dawn 2−3
+0%
2−3
+0%

1440p
Ultra Preset

Assassin's Creed Odyssey 1−2
+0%
1−2
+0%
Call of Duty: Modern Warfare 0−1 0−1
Cyberpunk 2077 1−2
+0%
1−2
+0%
Far Cry 5 2−3
+0%
2−3
+0%
Hitman 3 7−8
+0%
7−8
+0%
Horizon Zero Dawn 5−6
+0%
5−6
+0%
The Witcher 3: Wild Hunt 1−2
+0%
1−2
+0%
Watch Dogs: Legion 8−9
+0%
8−9
+0%

1440p
Epic Preset

Red Dead Redemption 2 4−5
+0%
4−5
+0%

4K
High Preset

Far Cry New Dawn 1−2
+0%
1−2
+0%

4K
Ultra Preset

Assassin's Creed Odyssey 2−3
+0%
2−3
+0%
Assassin's Creed Valhalla 1−2
+0%
1−2
+0%
Call of Duty: Modern Warfare 0−1 0−1
Far Cry 5 0−1 0−1

4K
Epic Preset

Red Dead Redemption 2 3−4
+0%
3−4
+0%

This is how GT 820M and HD 7640G + HD 7670M Dual Graphics compete in popular games:

  • HD 7640G + HD 7670M Dual Graphics is 13% faster in 1080p

All in all, in popular games:

  • there's a draw in 49 tests (100%)

Pros & cons summary


Performance score 1.45 1.63
Recency 27 November 2013 15 May 2012
Chip lithography 28 nm 40 nm

GT 820M has an age advantage of 1 year, and a 42.9% more advanced lithography process.

HD 7640G + HD 7670M Dual Graphics, on the other hand, has a 12.4% higher aggregate performance score.

The Radeon HD 7640G + HD 7670M Dual Graphics is our recommended choice as it beats the GeForce GT 820M in performance tests.


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

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NVIDIA GeForce GT 820M
GeForce GT 820M
AMD Radeon HD 7640G + HD 7670M Dual Graphics
Radeon HD 7640G + HD 7670M Dual Graphics

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.


3.3 121 vote

Rate GeForce GT 820M on a scale of 1 to 5:

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3.4 31 vote

Rate Radeon HD 7640G HD 7670M Dual Graphics on a scale of 1 to 5:

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Questions & comments

Here you can ask a question about this comparison, agree or disagree with our judgements, or report an error or mismatch.