Radeon RX 640 OEM vs RTX A2000

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Primary details

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

Place in the ranking136not rated
Place by popularitynot in top-100not in top-100
Cost-effectiveness evaluation85.83no data
Power efficiency35.21no data
ArchitectureAmpere (2020−2024)GCN 4.0 (2016−2020)
GPU code nameGA106Polaris 23
Market segmentWorkstationDesktop
Release date10 August 2021 (3 years ago)9 April 2020 (4 years ago)
Launch price (MSRP)$449 no data

Cost-effectiveness evaluation

Performance to price ratio. The higher, the better.

no data

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 cores3328640
Core clock speed562 MHz1295 MHz
Boost clock speed1200 MHzno data
Number of transistors12,000 million2,200 million
Manufacturing process technology8 nm14 nm
Power consumption (TDP)70 Watt50 Watt
Texture fill rate124.851.80
Floating-point processing power7.987 TFLOPS1.658 TFLOPS
ROPs4816
TMUs10440
Tensor Cores104no data
Ray Tracing Cores26no 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).

InterfacePCIe 4.0 x16PCIe 3.0 x8
Length167 mmno data
Width2-slot1-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 typeGDDR6GDDR5
Maximum RAM amount6 GB4 GB
Memory bus width192 Bit128 Bit
Memory clock speed1500 MHz1500 MHz
Memory bandwidth288.0 GB/s96 GB/s

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 Connectors4x mini-DisplayPort 1.4a1x DisplayPort 1.4a, 2x mini-DisplayPort 1.4a

API compatibility

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

DirectX12 Ultimate (12_2)12 (12_0)
Shader Model6.86.7 (6.4)
OpenGL4.64.6
OpenCL3.02.1
Vulkan1.31.3
CUDA8.6-

Pros & cons summary


Recency 10 August 2021 9 April 2020
Maximum RAM amount 6 GB 4 GB
Chip lithography 8 nm 14 nm
Power consumption (TDP) 70 Watt 50 Watt

RTX A2000 has an age advantage of 1 year, a 50% higher maximum VRAM amount, and a 75% more advanced lithography process.

RX 640 OEM, on the other hand, has 40% lower power consumption.

We couldn't decide between RTX A2000 and Radeon RX 640 OEM. We've got no test results to judge.

Be aware that RTX A2000 is a workstation graphics 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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NVIDIA RTX A2000
RTX A2000
AMD Radeon RX 640 OEM
Radeon RX 640 OEM

Comparisons with similar GPUs

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Community ratings

Here you can see the user ratings of the compared graphics cards, as well as rate them yourself.


3.9 559 votes

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4.3 9 votes

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Questions & comments

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