Tesla M40 vs Tesla K80

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Aggregate performance score

We've compared Tesla K80 and Tesla M40, covering specs and all relevant benchmarks.

Tesla K80
2014
12 GB GDDR5, 300 Watt
15.19

Tesla M40 outperforms Tesla K80 by an impressive 79% based on our aggregate benchmark results.

Primary details

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

Place in the ranking350204
Place by popularitynot in top-100not in top-100
Power efficiency3.477.44
ArchitectureKepler 2.0 (2013−2015)Maxwell 2.0 (2014−2019)
GPU code nameGK210GM200
Market segmentWorkstationWorkstation
Release date17 November 2014 (10 years ago)10 November 2015 (9 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 cores24963072
Core clock speed562 MHz948 MHz
Boost clock speed824 MHz1112 MHz
Number of transistors7,100 million8,000 million
Manufacturing process technology28 nm28 nm
Power consumption (TDP)300 Watt250 Watt
Texture fill rate171.4213.5
Floating-point processing power4.113 TFLOPS6.832 TFLOPS
ROPs4896
TMUs208192

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 connectors1x 8-pin8-pin EPS

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 amount12 GB12 GB
Memory bus width384 Bit384 Bit
Memory clock speed1253 MHz1502 MHz
Memory bandwidth240.6 GB/s288.4 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 (11_1)12 (12_1)
Shader Model5.16.7
OpenGL4.64.6
OpenCL1.23.0
Vulkan1.1.1261.3
CUDA3.75.2

Synthetic benchmark performance

Non-gaming benchmark results comparison. The combined score is measured on a 0-100 point scale.


Combined synthetic benchmark score

This is our combined benchmark score. We are regularly improving our combining algorithms, but if you find some perceived inconsistencies, feel free to speak up in comments section, we usually fix problems quickly.

Tesla K80 15.19
Tesla M40 27.16
+78.8%

Passmark

This is the most ubiquitous GPU benchmark. It gives the graphics card a thorough evaluation under various types of load, providing four separate benchmarks for Direct3D versions 9, 10, 11 and 12 (the last being done in 4K resolution if possible), and few more tests engaging DirectCompute capabilities.

Tesla K80 5852
Tesla M40 10465
+78.8%

GeekBench 5 CUDA

Geekbench 5 is a widespread graphics card benchmark combined from 11 different test scenarios. All these scenarios rely on direct usage of GPU's processing power, no 3D rendering is involved. This variation uses CUDA API by NVIDIA.

Tesla K80 16063
Tesla M40 31401
+95.5%

Gaming performance

Let's see how good the compared graphics cards are for gaming. Particular gaming benchmark results are measured in FPS.

Pros & cons summary


Performance score 15.19 27.16
Recency 17 November 2014 10 November 2015
Power consumption (TDP) 300 Watt 250 Watt

Tesla M40 has a 78.8% higher aggregate performance score, an age advantage of 11 months, and 20% lower power consumption.

The Tesla M40 is our recommended choice as it beats the Tesla K80 in performance tests.


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 K80
Tesla K80
NVIDIA Tesla M40
Tesla M40

Comparisons with similar GPUs

We selected several comparisons of graphics cards with performance close to those reviewed, providing you with more options to consider.

Community ratings

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


3.8 183 votes

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4.3 87 votes

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Questions & comments

Here you can ask a question about this comparison, agree or disagree with our judgements, or report an error or mismatch.