Tesla K80m vs Tesla M40 24 GB

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Primary details

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

Place in the ranking205not rated
Place by popularitynot in top-100not in top-100
Power efficiency7.41no data
ArchitectureMaxwell 2.0 (2014−2019)Kepler 2.0 (2013−2015)
GPU code nameGM200GK210
Market segmentWorkstationWorkstation
Release date10 November 2015 (9 years ago)17 November 2014 (10 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 cores30722x 2496
Core clock speed948 MHz562 MHz
Boost clock speed1112 MHz824 MHz
Number of transistors8,000 million7,100 million
Manufacturing process technology28 nm28 nm
Power consumption (TDP)250 Watt300 Watt
Texture fill rate213.52x 182.2 billion/sec
Floating-point processing power6.832 TFLOPSno data
ROPs962x 48
TMUs1922x 208

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 x16PCIe 3.0 x16
Length267 mm267 mm
Width2-slot2-slot
Supplementary power connectors8-pin EPS1x 8-pin

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 amount24 GB2x 12 GB
Memory bus width384 Bit2x 384 Bit
Memory clock speed1502 MHz5012 MHz
Memory bandwidth288.4 GB/s2x 240.6 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 ConnectorsNo outputsNo outputs

API compatibility

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

DirectX12 (12_1)12.0 (11_1)
Shader Model6.7no data
OpenGL4.64.6
OpenCL3.0no data
Vulkan1.3-
CUDA5.2-

Pros & cons summary


Recency 10 November 2015 17 November 2014
Power consumption (TDP) 250 Watt 300 Watt

Tesla M40 24 GB has an age advantage of 11 months, and 20% lower power consumption.

We couldn't decide between Tesla M40 24 GB and Tesla K80m. 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 Tesla M40 24 GB
Tesla M40 24 GB
NVIDIA Tesla K80m
Tesla K80m

Comparisons with similar GPUs

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Community ratings

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3.9 34 votes

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4.5 10 votes

Rate Tesla K80m on a scale of 1 to 5:

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Questions & comments

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