NVIDIA GeForce GT 640 Rev. 2 vs AMD Radeon HD 6550D

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Combined performance score

HD 6550D
1.04

GeForce GT 640 Rev. 2 outperforms Radeon HD 6550D by 238% in our combined benchmark results.

General info

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

Place in performance ranking1056682
Place by popularitynot in top-100not in top-100
Value for money0.180.18
ArchitectureTerascale 2 (2009−2015)Kepler 2.0 (2013−2015)
GPU code nameLlanoGK208
Market segmentDesktopDesktop
Release date30 June 2011 (12 years old)29 May 2013 (10 years old)
Launch price (MSRP)no data$89
Current price$49 $230 (2.6x MSRP)
Value for money

Performance to price ratio. The higher, the better.

HD 6550D and GT 640 Rev. 2 have a nearly equal value for money.

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 cores400384
Core clock speed600 MHz1046 MHz
Number of transistors1000 Million915 million
Manufacturing process technology32 nm28 nm
Power consumption (TDP)65 Watt49 Watt
Texture fill rate12.0033.47
Floating-point performanceno data803.3 gflops

Size and 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).

InterfaceIGPPCIe 2.0 x8
Lengthno data145 mm
WidthIGP1-slot
Supplementary power connectorsno dataNone

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 SharedGDDR5
Maximum RAM amountSystem Shared1 GB
Memory bus widthSystem Shared64 Bit
Memory clock speedSystem Shared5008 MHz
Memory bandwidthno data40.06 GB/s
Shared memory+no data

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 outputs1x DVI, 1x HDMI, 1x VGA
HDMIno data+

API support

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

DirectX11.2 (11_0)12 (11_0)
Shader Model5.05.1
OpenGL4.44.6
OpenCL1.21.2
VulkanN/A1.1.126
CUDAno data3.5

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 HD20
−225%
65−70
+225%

Performance in popular games

Full HD
Low Preset

Cyberpunk 2077 3−4
−233%
10−11
+233%

Full HD
Medium Preset

Call of Duty: Modern Warfare 9−10
−233%
30−33
+233%
Cyberpunk 2077 3−4
−233%
10−11
+233%
Hitman 3 1−2
−200%
3−4
+200%
Horizon Zero Dawn 1−2
−200%
3−4
+200%
Red Dead Redemption 2 3−4
−233%
10−11
+233%
Shadow of the Tomb Raider 7−8
−200%
21−24
+200%

Full HD
High Preset

Call of Duty: Modern Warfare 9−10
−233%
30−33
+233%
Cyberpunk 2077 3−4
−233%
10−11
+233%
Hitman 3 1−2
−200%
3−4
+200%
Horizon Zero Dawn 1−2
−200%
3−4
+200%
Metro Exodus 1−2
−200%
3−4
+200%
Red Dead Redemption 2 3−4
−233%
10−11
+233%
Shadow of the Tomb Raider 7−8
−200%
21−24
+200%
The Witcher 3: Wild Hunt 4−5
−200%
12−14
+200%

Full HD
Ultra Preset

Cyberpunk 2077 3−4
−233%
10−11
+233%
The Witcher 3: Wild Hunt 4−5
−200%
12−14
+200%

1440p
High Preset

Call of Duty: Modern Warfare 3−4
−233%
10−11
+233%
Hitman 3 4−5
−200%
12−14
+200%
Horizon Zero Dawn 8−9
−238%
27−30
+238%
Shadow of the Tomb Raider 5−6
−220%
16−18
+220%

1440p
Ultra Preset

Cyberpunk 2077 1−2
−200%
3−4
+200%
Far Cry 5 2−3
−200%
6−7
+200%
The Witcher 3: Wild Hunt 1−2
−200%
3−4
+200%

4K
High Preset

Call of Duty: Modern Warfare 1−2
−200%
3−4
+200%
Hitman 3 1−2
−200%
3−4
+200%
Horizon Zero Dawn 8−9
−238%
27−30
+238%
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
−233%
10−11
+233%
Far Cry New Dawn 5−6
−220%
16−18
+220%

This is how HD 6550D and GT 640 Rev. 2 compete in popular games:

1080p resolution:

  • GT 640 Rev. 2 is 225% faster than HD 6550D

Advantages and disadvantages


Performance score 1.04 3.51
Recency 30 June 2011 29 May 2013
Maximum RAM amount System Shared 1 GB
Chip lithography 32 nm 28 nm
Power consumption (TDP) 65 Watt 49 Watt

The GeForce GT 640 Rev. 2 is our recommended choice as it beats the Radeon HD 6550D 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

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AMD Radeon HD 6550D
Radeon HD 6550D
NVIDIA GeForce GT 640 Rev. 2
GeForce GT 640 Rev. 2

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3 86 votes

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3.9 26 votes

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Questions and comments

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