Radeon RX 640 OEM vs RX Vega 8 (Ryzen 2000/3000)

Primary details

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

Place in the ranking660not rated
Place by popularity38not in top-100
Power efficiency20.63no data
ArchitectureVega (2017−2020)GCN 4.0 (2016−2020)
GPU code nameVega Raven RidgePolaris 23
Market segmentLaptopDesktop
Release date26 October 2017 (7 years ago)9 April 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 cores512640
Core clock speed300 MHz1295 MHz
Boost clock speed1200 MHzno data
Number of transistors9,800 million2,200 million
Manufacturing process technology14 nm14 nm
Power consumption (TDP)15 Watt50 Watt
Texture fill rate57.6051.80
Floating-point processing power1.843 TFLOPS1.658 TFLOPS
ROPs816
TMUs3240

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).

InterfaceIGPPCIe 3.0 x8
Widthno data1-slot
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 typeSystem SharedGDDR5
Maximum RAM amountSystem Shared4 GB
Memory bus widthSystem Shared128 Bit
Memory clock speedSystem Shared1500 MHz
Memory bandwidthno data96 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 outputs1x DisplayPort 1.4a, 2x mini-DisplayPort 1.4a

API compatibility

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

DirectX12 (12_1)12 (12_0)
Shader Model6.46.7 (6.4)
OpenGL4.64.6
OpenCL2.12.1
Vulkan1.21.3

Pros & cons summary


Recency 26 October 2017 9 April 2020
Power consumption (TDP) 15 Watt 50 Watt

RX Vega 8 (Ryzen 2000/3000) has 233.3% lower power consumption.

RX 640 OEM, on the other hand, has an age advantage of 2 years.

We couldn't decide between Radeon RX Vega 8 (Ryzen 2000/3000) and Radeon RX 640 OEM. We've got no test results to judge.

Be aware that Radeon RX Vega 8 (Ryzen 2000/3000) is a notebook card while Radeon RX 640 OEM 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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AMD Radeon RX Vega 8 (Ryzen 2000/3000)
Radeon RX Vega 8 (Ryzen 2000/3000)
AMD Radeon RX 640 OEM
Radeon RX 640 OEM

Comparisons with similar GPUs

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Community ratings

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3.5 1453 votes

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Questions & comments

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