Radeon Pro 575X vs GeForce GT 640M

Primary details

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

Place in the ranking841not rated
Place by popularitynot in top-100not in top-100
Power efficiency5.21no data
ArchitectureKepler (2012−2018)GCN 4.0 (2016−2020)
GPU code nameGK107Polaris 20
Market segmentLaptopMobile workstation
Release date22 March 2012 (12 years ago)18 March 2019 (5 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 cores3842048
Core clock speedUp to 625 MHz1096 MHz
Boost clock speed645 MHzno data
Number of transistors1,270 million5,700 million
Manufacturing process technology28 nm14 nm
Power consumption (TDP)32 Watt120 Watt
Texture fill rate20.00140.3
Floating-point processing power0.48 TFLOPS4.489 TFLOPS
ROPs1632
TMUs32128

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 x16PCIe 3.0 x16
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\GDDR5GDDR5
Maximum RAM amount2 GB4 GB
Memory bus width128bit256 Bit
Memory clock speed900 MHz1700 MHz
Memory bandwidthUp to 64.0 GB/s217.6 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
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_0)
Shader Model5.16.4
OpenGL4.54.6
OpenCL1.12.0
Vulkan1.1.1261.2.131
CUDA+-

Synthetic benchmark performance

Non-gaming benchmark results comparison. The combined score is measured on a 0-100 point scale.



GeekBench 5 OpenCL

Geekbench 5 is a widespread graphics card benchmark combined from 11 different test scenarios. All these scenarios rely on direct usage of GPU's processing power, no 3D rendering is involved. This variation uses OpenCL API by Khronos Group.

GT 640M 3184
Pro 575X 35084
+1002%

GeekBench 5 Vulkan

Geekbench 5 is a widespread graphics card benchmark combined from 11 different test scenarios. All these scenarios rely on direct usage of GPU's processing power, no 3D rendering is involved. This variation uses Vulkan API by AMD & Khronos Group.

GT 640M 2732
Pro 575X 36448
+1234%

Pros & cons summary


Recency 22 March 2012 18 March 2019
Maximum RAM amount 2 GB 4 GB
Chip lithography 28 nm 14 nm
Power consumption (TDP) 32 Watt 120 Watt

GT 640M has 275% lower power consumption.

Pro 575X, on the other hand, has an age advantage of 6 years, a 100% higher maximum VRAM amount, and a 100% more advanced lithography process.

We couldn't decide between GeForce GT 640M and Radeon Pro 575X. We've got no test results to judge.

Be aware that GeForce GT 640M is a notebook graphics card while Radeon Pro 575X 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.

Vote for your favorite

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NVIDIA GeForce GT 640M
GeForce GT 640M
AMD Radeon Pro 575X
Radeon Pro 575X

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.


3.7 302 votes

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4.6 23 votes

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Questions & comments

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