Radeon Vega 7 vs GeForce GT 640 OEM

Primary details

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

Place in the ranking934not rated
Place by popularitynot in top-10039
Power efficiency2.50no data
ArchitectureKepler (2012−2018)GCN 5.1 (2018−2022)
GPU code nameGK107Cezanne
Market segmentDesktopDesktop
Release date24 April 2012 (12 years ago)13 April 2021 (3 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 cores384448
Core clock speed797 MHz300 MHz
Boost clock speedno data1900 MHz
Number of transistors1,270 million9,800 million
Manufacturing process technology28 nm7 nm
Power consumption (TDP)50 Watt45 Watt
Texture fill rate25.5053.20
Floating-point processing power0.6121 TFLOPS1.702 TFLOPS
ROPs168
TMUs3228

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).

InterfacePCIe 3.0 x16IGP
Length145 mmno data
Width1-slotIGP
Supplementary power connectorsNoneNone

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 typeDDR3System Shared
Maximum RAM amount2 GBSystem Shared
Memory bus width128 BitSystem Shared
Memory clock speed891 MHzSystem Shared
Memory bandwidth28.51 GB/sno data

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 Connectors1x DVI, 1x HDMI, 1x DisplayPortNo outputs
HDMI+-

API compatibility

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

DirectX12 (11_0)12 (12_1)
Shader Model5.16.4
OpenGL4.64.6
OpenCL1.22.1
Vulkan1.1.1261.2
CUDA3.0-

Pros & cons summary


Recency 24 April 2012 13 April 2021
Chip lithography 28 nm 7 nm
Power consumption (TDP) 50 Watt 45 Watt

Vega 7 has an age advantage of 8 years, a 300% more advanced lithography process, and 11.1% lower power consumption.

We couldn't decide between GeForce GT 640 OEM and Radeon Vega 7. 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.

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NVIDIA GeForce GT 640 OEM
GeForce GT 640 OEM
AMD Radeon Vega 7
Radeon Vega 7

Comparisons with similar GPUs

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Community ratings

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3.9 35 votes

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3.8 1798 votes

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Questions & comments

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