Radeon HD 7640G vs FirePro M8900

Primary details

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

Place in the rankingnot rated1057
Place by popularitynot in top-100not in top-100
Power efficiencyno data2.37
ArchitectureTeraScale 2 (2009−2015)TeraScale 3 (2010−2013)
GPU code nameBlackcombDevastator Lite
Market segmentMobile workstationLaptop
Release date12 April 2011 (13 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 cores960256
Core clock speed680 MHz496 MHz
Boost clock speedno data685 MHz
Number of transistors1,700 million1,303 million
Manufacturing process technology40 nm32 nm
Power consumption (TDP)75 Watt35 Watt
Texture fill rate32.6410.96
Floating-point processing power1.306 TFLOPS0.3507 TFLOPS
ROPs328
TMUs4816

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 sizelargemedium sized
Bus supportn/ano data
InterfaceMXM-B (3.0)IGP
Form factorMXM-Bno data
Supplementary power connectorsNoneno 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 typeGDDR5System Shared
Maximum RAM amount2 GBSystem Shared
Memory bus width256 BitSystem Shared
Memory clock speed900 MHzSystem Shared
Memory bandwidth115 GB/sno data
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)11.2 (11_0)
Shader Model5.05.0
OpenGL4.44.4
OpenCL1.21.2
VulkanN/AN/A

Pros & cons summary


Recency 12 April 2011 15 May 2012
Chip lithography 40 nm 32 nm
Power consumption (TDP) 75 Watt 35 Watt

HD 7640G has an age advantage of 1 year, a 25% more advanced lithography process, and 114.3% lower power consumption.

We couldn't decide between FirePro M8900 and Radeon HD 7640G. We've got no test results to judge.

Be aware that FirePro M8900 is a mobile workstation card while Radeon HD 7640G is a mobile workstation 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 FirePro M8900
FirePro M8900
AMD Radeon HD 7640G
Radeon HD 7640G

Comparisons with similar GPUs

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Community ratings

Here you can see the user ratings of the compared graphics cards, as well as rate them yourself.


3.7 9 votes

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2.9 166 votes

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Questions & comments

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