GeForce GT 640M Mac Edition vs Radeon HD 6550D

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Aggregate performance score

We've compared Radeon HD 6550D with GeForce GT 640M Mac Edition, including specs and performance data.

HD 6550D
2011
65 Watt
1.04

Primary details

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

Place in the ranking10991097
Place by popularitynot in top-100not in top-100
Power efficiency1.102.23
ArchitectureTeraScale 2 (2009−2015)Kepler (2012−2018)
GPU code nameSumoGK107
Market segmentDesktopLaptop
Release date20 June 2011 (13 years ago)3 February 2013 (11 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 cores400384
Core clock speed600 MHz745 MHz
Number of transistors1,178 million1,270 million
Manufacturing process technology32 nm28 nm
Power consumption (TDP)65 Watt32 Watt
Texture fill rate12.0023.84
Floating-point processing power0.48 TFLOPS0.5722 TFLOPS
ROPs88
TMUs2032

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).

InterfaceIGPPCIe 3.0 x16
WidthIGPno 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 typeSystem SharedGDDR5
Maximum RAM amountSystem Shared512 MB
Memory bus widthSystem Shared64 Bit
Memory clock speedSystem Shared1250 MHz
Memory bandwidthno data40 GB/s
Shared memory+-

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 outputs

API compatibility

List of supported 3D 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
CUDA-3.0

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
+0%
20−22
+0%

FPS performance in popular games

Full HD
Low Preset

Cyberpunk 2077 3−4
+0%
3−4
+0%

Full HD
Medium Preset

Assassin's Creed Odyssey 5−6
+0%
5−6
+0%
Call of Duty: Modern Warfare 4−5
+0%
4−5
+0%
Cyberpunk 2077 3−4
+0%
3−4
+0%
Far Cry 5 1−2
+0%
1−2
+0%
Far Cry New Dawn 2−3
+0%
2−3
+0%
Forza Horizon 4 0−1 0−1
Hitman 3 5−6
+0%
5−6
+0%
Horizon Zero Dawn 12−14
+8.3%
12−14
−8.3%
Red Dead Redemption 2 1−2
+0%
1−2
+0%
Shadow of the Tomb Raider 7−8
+0%
7−8
+0%
Watch Dogs: Legion 30−35
+6.7%
30−33
−6.7%

Full HD
High Preset

Assassin's Creed Odyssey 5−6
+0%
5−6
+0%
Call of Duty: Modern Warfare 4−5
+0%
4−5
+0%
Cyberpunk 2077 3−4
+0%
3−4
+0%
Far Cry 5 1−2
+0%
1−2
+0%
Far Cry New Dawn 2−3
+0%
2−3
+0%
Forza Horizon 4 0−1 0−1
Hitman 3 5−6
+0%
5−6
+0%
Horizon Zero Dawn 12−14
+8.3%
12−14
−8.3%
Red Dead Redemption 2 1−2
+0%
1−2
+0%
Shadow of the Tomb Raider 7−8
+0%
7−8
+0%
The Witcher 3: Wild Hunt 10−12
+10%
10−11
−10%
Watch Dogs: Legion 30−35
+6.7%
30−33
−6.7%

Full HD
Ultra Preset

Assassin's Creed Odyssey 5−6
+0%
5−6
+0%
Call of Duty: Modern Warfare 4−5
+0%
4−5
+0%
Cyberpunk 2077 3−4
+0%
3−4
+0%
Far Cry 5 1−2
+0%
1−2
+0%
Forza Horizon 4 0−1 0−1
Hitman 3 5−6
+0%
5−6
+0%
Horizon Zero Dawn 12−14
+8.3%
12−14
−8.3%
Shadow of the Tomb Raider 7−8
+0%
7−8
+0%
The Witcher 3: Wild Hunt 10−12
+10%
10−11
−10%
Watch Dogs: Legion 30−35
+6.7%
30−33
−6.7%

Full HD
Epic Preset

Red Dead Redemption 2 1−2
+0%
1−2
+0%

1440p
High Preset

Battlefield 5 1−2
+0%
1−2
+0%
Far Cry New Dawn 1−2
+0%
1−2
+0%

1440p
Ultra Preset

Assassin's Creed Odyssey 1−2
+0%
1−2
+0%
Cyberpunk 2077 1−2
+0%
1−2
+0%
Far Cry 5 1−2
+0%
1−2
+0%
Hitman 3 7−8
+0%
7−8
+0%
Horizon Zero Dawn 4−5
+0%
4−5
+0%
The Witcher 3: Wild Hunt 0−1 0−1
Watch Dogs: Legion 4−5
+0%
4−5
+0%

1440p
Epic Preset

Red Dead Redemption 2 4−5
+0%
4−5
+0%

4K
High Preset

Far Cry New Dawn 0−1 0−1

4K
Ultra Preset

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

4K
Epic Preset

Red Dead Redemption 2 2−3
+0%
2−3
+0%

This is how HD 6550D and GT 640M Mac Edition compete in popular games:

  • A tie in 1080p

Pros & cons summary


Recency 20 June 2011 3 February 2013
Chip lithography 32 nm 28 nm
Power consumption (TDP) 65 Watt 32 Watt

GT 640M Mac Edition has an age advantage of 1 year, a 14.3% more advanced lithography process, and 103.1% lower power consumption.

Given the minimal performance differences, no clear winner can be declared between Radeon HD 6550D and GeForce GT 640M Mac Edition.

Be aware that Radeon HD 6550D is a desktop card while GeForce GT 640M Mac Edition is a notebook one.


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

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AMD Radeon HD 6550D
Radeon HD 6550D
NVIDIA GeForce GT 640M Mac Edition
GeForce GT 640M Mac Edition

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 92 votes

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3.1 9 votes

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Questions & comments

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