Radeon RX 640 OEM vs Quadro K4000

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Primary details

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

Place in the ranking552not rated
Place by popularitynot in top-100not in top-100
Cost-effectiveness evaluation0.58no data
Power efficiency6.05no data
ArchitectureKepler (2012−2018)GCN 4.0 (2016−2020)
GPU code nameGK106Polaris 23
Market segmentWorkstationDesktop
Release date1 March 2013 (11 years ago)9 April 2020 (4 years ago)
Launch price (MSRP)$1,269 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 cores768640
Core clock speed810 MHz1295 MHz
Number of transistors2,540 million2,200 million
Manufacturing process technology28 nm14 nm
Power consumption (TDP)80 Watt50 Watt
Texture fill rate51.8451.80
Floating-point processing power1.244 TFLOPS1.658 TFLOPS
ROPs2416
TMUs6440

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 2.0 x16PCIe 3.0 x8
Length241 mmno data
Width1-slot1-slot
Supplementary power connectors1x 6-pinNone

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 typeGDDR5GDDR5
Maximum RAM amount3 GB4 GB
Memory bus width192 Bit128 Bit
Memory clock speed1404 MHz1500 MHz
Memory bandwidth134.8 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 Connectors1x DVI, 2x DisplayPort1x DisplayPort 1.4a, 2x mini-DisplayPort 1.4a

API compatibility

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

DirectX12 (11_0)12 (12_0)
Shader Model5.16.7 (6.4)
OpenGL4.64.6
OpenCL1.22.1
Vulkan+1.3
CUDA3.0-

Pros & cons summary


Recency 1 March 2013 9 April 2020
Maximum RAM amount 3 GB 4 GB
Chip lithography 28 nm 14 nm
Power consumption (TDP) 80 Watt 50 Watt

RX 640 OEM has an age advantage of 7 years, a 33.3% higher maximum VRAM amount, a 100% more advanced lithography process, and 60% lower power consumption.

We couldn't decide between Quadro K4000 and Radeon RX 640 OEM. We've got no test results to judge.

Be aware that Quadro K4000 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 Quadro K4000
Quadro K4000
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.


3.3 197 votes

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4.4 13 votes

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Questions & comments

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