Graphics Media Accelerator (GMA) 4500M vs GeForce GT 640M

Primary details

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

Place in the ranking836not rated
Place by popularitynot in top-100not in top-100
Power efficiency5.22no data
ArchitectureKepler (2012−2018)Gen. 4.5 (2008)
GPU code nameGK107GL40
Market segmentLaptopLaptop
Release date22 March 2012 (12 years ago)1 October 2008 (16 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 cores38410
Core clock speedUp to 625 MHz400 MHz
Boost clock speed645 MHzno data
Number of transistors1,270 millionno data
Manufacturing process technology28 nm65 nm
Power consumption (TDP)32 Wattno data
Texture fill rate20.00no data
Floating-point processing power0.48 TFLOPSno data
ROPs16no data
TMUs32no 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 sizemedium sizedno data
Bus supportPCI Express 2.0, PCI Express 3.0no data
InterfacePCIe 3.0 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 typeDDR3\GDDR5no data
Maximum RAM amount2 GBno data
Memory bus width128bitno data
Memory clock speed900 MHzno data
Memory bandwidthUp to 64.0 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 data
HDMI+-
HDCP+-
Maximum VGA resolutionUp to 2048x1536no data

Supported technologies

Supported technological solutions. This information will prove useful if you need some particular technology for your purposes.

3D Blu-Ray+-
Optimus+-

API compatibility

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

DirectX12 API10
Shader Model5.1no data
OpenGL4.5no data
OpenCL1.1no data
Vulkan1.1.126-
CUDA+-

Pros & cons summary


Recency 22 March 2012 1 October 2008
Chip lithography 28 nm 65 nm

GT 640M has an age advantage of 3 years, and a 132.1% more advanced lithography process.

We couldn't decide between GeForce GT 640M and Graphics Media Accelerator (GMA) 4500M. We've got no test results to judge.


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

Vote for your favorite

Do you think we are right or mistaken in our choice? Vote by clicking "Like" button near your favorite graphics card.


NVIDIA GeForce GT 640M
GeForce GT 640M
Intel Graphics Media Accelerator (GMA) 4500M
Graphics Media Accelerator (GMA) 4500M

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.


3.7 297 votes

Rate GeForce GT 640M on a scale of 1 to 5:

  • 1
  • 2
  • 3
  • 4
  • 5
2.5 165 votes

Rate Graphics Media Accelerator (GMA) 4500M on a scale of 1 to 5:

  • 1
  • 2
  • 3
  • 4
  • 5

Questions & comments

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