Radeon Graphics 512SP vs GeForce GT 640M

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Primary details

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

Place in the ranking843not rated
Place by popularitynot in top-100not in top-100
Power efficiency5.14no data
ArchitectureKepler (2012−2018)GCN 5.1 (2018−2022)
GPU code nameGK107Renoir
Market segmentLaptopDesktop
Release date22 March 2012 (12 years ago)7 March 2020 (4 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 cores384512
Core clock speedUp to 625 MHz400 MHz
Boost clock speed645 MHz2100 MHz
Number of transistors1,270 million9,800 million
Manufacturing process technology28 nm7 nm
Power consumption (TDP)32 Watt15 Watt
Texture fill rate20.0067.20
Floating-point processing power0.48 TFLOPS2.15 TFLOPS
ROPs168
TMUs3232

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 x16IGP
Widthno dataIGP
Supplementary power connectorsno dataNone

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\GDDR5System Shared
Maximum RAM amount2 GBSystem Shared
Memory bus width128bitSystem Shared
Memory clock speed900 MHzSystem Shared
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 outputsMotherboard Dependent
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 API12 (12_1)
Shader Model5.16.7 (6.4)
OpenGL4.54.6
OpenCL1.12.1
Vulkan1.1.1261.3
CUDA+-

Pros & cons summary


Recency 22 March 2012 7 March 2020
Chip lithography 28 nm 7 nm
Power consumption (TDP) 32 Watt 15 Watt

Graphics 512SP has an age advantage of 7 years, a 300% more advanced lithography process, and 113.3% lower power consumption.

We couldn't decide between GeForce GT 640M and Radeon Graphics 512SP. We've got no test results to judge.

Be aware that GeForce GT 640M is a notebook card while Radeon Graphics 512SP is a desktop 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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NVIDIA GeForce GT 640M
GeForce GT 640M
AMD Radeon Graphics 512SP
Radeon Graphics 512SP

Comparisons with similar GPUs

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Community ratings

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3.7 312 votes

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1.9 84 votes

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Questions & comments

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