AMD Radeon HD 6620G + HD 7670M Dual Graphics
VS
NVIDIA GeForce GT 640M
AMD Radeon HD 6620G + HD 7670M Dual Graphics
VS
NVIDIA GeForce GT 640M

General info

The main nomenclature characteristics of video cards AMD Radeon HD 6620G + HD 7670M Dual Graphics and NVIDIA GeForce GT 640M. Pay attention to the position in the performance rating to choose the best one.

573
Place in performance rating
684
Terascale 2
Architecture
Kepler
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Code name
GK107
Laptop
Type
Laptop
8 February 2012
Release date
22 March 2012 (9 years ago)
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Price now
$310
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Value for money
0.18
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GPU code name
N13P-GS
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Market segment
Laptop

Technical specs

Choose the best graphics card between AMD Radeon HD 6620G + HD 7670M Dual Graphics and NVIDIA GeForce GT 640M based on manufacturing process, power consumption, and base frequency and overclocking potential of the GPU.

880
Pipelines
384
400 / 600 MHz
Core clock speed
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Boost Clock
645 MHz
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Transistor count
1,270 million
32+40nm nm
Manufacturing process technology
28 nm
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Power consumption (TDP)
32 Watt
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Floating-point performance
480.0 gflops
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CUDA cores
384
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Pipelines / CUDA cores
384
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Boost clock speed
645 MHz
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Number of transistors
1,270 million
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Thermal design power (TDP)
32 Watt

Compatibility, dimensions and requirements

Additional technical information, does not greatly affect the performance rating when comparing the AMD Radeon HD 6620G + HD 7670M Dual Graphics and NVIDIA GeForce GT 640M.

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Interface
PCIe 3.0 x16
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Laptop size
medium sized
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Bus support
PCI Express 2.0, PCI Express 3.0

Memory

Graphics card memory is used to store calculations. Modern software and 3D games require more and faster memory. The higher these parameters, the more productive the chip. The difference in these characteristics AMD Radeon HD 6620G + HD 7670M Dual Graphics and NVIDIA GeForce GT 640M can be seen in this section.

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Memory type
DDR3\GDDR5
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Maximum RAM amount
2 GB
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Memory bus width
128bit
1800 MHz
Memory clock speed
1800 - 4000 MHz
+
Shared memory
-

Video outputs and ports

The difference between the interfaces and ports of video cards AMD Radeon HD 6620G + HD 7670M Dual Graphics and NVIDIA GeForce GT 640M, the size and number of monitors.

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Display Connectors
No outputs
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HDCP
+
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Maximum VGA resolution
Up to 2048x1536
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HDMI
+

Technologies

The difference between AMD Radeon HD 6620G + HD 7670M Dual Graphics and NVIDIA GeForce GT 640M is the additional functionality.

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3D Vision
+
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CUDA
+
no data
Optimus
+
no data
3D Blu-Ray
+
no data
DirectX 11
DirectX 11
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DirectCompute
+

API support

The difference in supported APIs is AMD Radeon HD 6620G + HD 7670M Dual Graphics and NVIDIA GeForce GT 640M. Hardware support (API) is not considered in synthetic benchmarks and performance tests.

DirectX 11, Shader 5.0
DirectX
12 API
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OpenGL
4.5
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Vulkan
1.1.126
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Shader Model
5.1
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OpenCL
1.1

Gaming performance

Select form the list the required name to identify gaming performance for AMD Radeon HD 6620G + HD 7670M Dual Graphics and NVIDIA GeForce GT 640M graphics cards. The result shows how fast the game will run and whether it can be run on this computer. The different monitor resolutions – from low to 4K – are used for testing. Find out is the AMD Radeon HD 6620G + HD 7670M Dual Graphics or NVIDIA GeForce GT 640M good for gaming.


low
1280x720
med.
1920x1080
high
1920x1080
ultra
1920x1080
QHD
2560x1440
4K
3840x2160
Horizon Zero Dawn (2020) AMD Radeon HD 6620G + HD 7670M Dual Graphics
NVIDIA GeForce GT 640M
Death Stranding (2020) AMD Radeon HD 6620G + HD 7670M Dual Graphics
NVIDIA GeForce GT 640M
F1 2020 (2020) AMD Radeon HD 6620G + HD 7670M Dual Graphics
NVIDIA GeForce GT 640M
Gears Tactics (2020) AMD Radeon HD 6620G + HD 7670M Dual Graphics
NVIDIA GeForce GT 640M
Doom Eternal (2020) AMD Radeon HD 6620G + HD 7670M Dual Graphics
NVIDIA GeForce GT 640M
Legend
5 Stutter – Insufficient data. Similar graphics cards stutter, the game is likely to show a low frame rate. There will be some lags.
May Stutter – Insufficient data. Similar graphics cards stutter, the game is likely to show a low frame rate. There will be some lags.
30 Fluent – According to the results of benchmarks the game should run at 25 frames per second (fps)
40 Fluent – According to the results of benchmarks the game should run at 35 frames per second (fps)
60 Fluent – According to the results of benchmarks the game should run at 58 frames per second (fps)
May Run Fluently – Insufficient data. Similar graphics cards show a smooth frame rate, comfortable for the game.
? Uncertain – Graphics cards testing has shown that a slower card can provide a high and stable frame rate for the same operation.
Uncertain – The work of the video card in the game is still being studied. Interpolation among analogs is not possible.
The value depicts the average frame rate. Hovering over the value, you can get individual results.

Advantages of AMD Radeon HD 6620G + HD 7670M Dual Graphics

More pipelines (880 vs 384)

Advantages of NVIDIA GeForce GT 640M

Finer manufacturing process technology (28 nm vs 32+40nm nm)

So, AMD Radeon HD 6620G + HD 7670M Dual Graphics or NVIDIA GeForce GT 640M?

Judging by the results of synthetic and gaming tests, we recommend AMD Radeon HD 6620G + HD 7670M Dual Graphics .

AMD Radeon HD 6620G + HD 7670M Dual Graphics versus NVIDIA GeForce GT 640M performance benchmarks comparison

User rating

0.0 Out of 0 CpusData Score AMD Radeon HD 6620G + HD 7670M Dual Graphics
0.0 Out of 0 CpusData Score NVIDIA GeForce GT 640M