Radeon RX 6600M vs Tesla K40d

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Primary details

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

Place in the rankingnot rated134
Place by popularitynot in top-100not in top-100
Power efficiencyno data24.70
ArchitectureKepler (2012−2018)RDNA 2.0 (2020−2024)
GPU code nameGK110BNavi 23
Market segmentWorkstationLaptop
Release date22 November 2013 (10 years ago)31 May 2021 (3 years ago)
Launch price (MSRP)$7,699 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 cores28801792
Core clock speed745 MHz2068 MHz
Boost clock speed876 MHz2416 MHz
Number of transistors7,080 million11,060 million
Manufacturing process technology28 nm7 nm
Power consumption (TDP)245 Watt100 Watt
Texture fill rate210.2270.6
Floating-point processing power5.046 TFLOPS8.659 TFLOPS
ROPs4864
TMUs240112
Ray Tracing Coresno data28

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 sizeno datamedium sized
InterfacePCIe 3.0 x16PCIe 4.0 x8
Length267 mmno data
Width2-slotno data
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 typeGDDR5GDDR6
Maximum RAM amount12 GB8 GB
Memory bus width384 Bit128 Bit
Memory clock speed1502 MHz1750 MHz
Memory bandwidth288.4 GB/s224.0 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

API compatibility

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

DirectX12 (11_1)12 Ultimate (12_2)
Shader Model5.16.5
OpenGL4.64.6
OpenCL1.22.1
Vulkan1.1.1261.3
CUDA3.5-

Pros & cons summary


Recency 22 November 2013 31 May 2021
Maximum RAM amount 12 GB 8 GB
Chip lithography 28 nm 7 nm
Power consumption (TDP) 245 Watt 100 Watt

Tesla K40d has a 50% higher maximum VRAM amount.

RX 6600M, on the other hand, has an age advantage of 7 years, a 300% more advanced lithography process, and 145% lower power consumption.

We couldn't decide between Tesla K40d and Radeon RX 6600M. We've got no test results to judge.

Be aware that Tesla K40d is a workstation card while Radeon RX 6600M is a notebook 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 Tesla K40d
Tesla K40d
AMD Radeon RX 6600M
Radeon RX 6600M

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Community ratings

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