Tesla A100 vs Tesla K8

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Primary details

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

Place in the ranking461not rated
Place by popularitynot in top-100not in top-100
Power efficiency6.62no data
ArchitectureKepler (2012−2018)Ampere (2020−2024)
GPU code nameGK104GA100
Market segmentWorkstationWorkstation
Release date16 September 2014 (10 years ago)14 May 2020 (4 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 cores15367936
Core clock speed693 MHz1110 MHz
Boost clock speed811 MHzno data
Number of transistors3,540 million38,000 million
Manufacturing process technology28 nm7 nm
Power consumption (TDP)100 Watt260 Watt
Texture fill rate103.8550.6
Floating-point processing power2.491 TFLOPS17.62 TFLOPS
ROPs32128
TMUs128496

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 4.0 x16
Length241 mm267 mm
Width1-slot2-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 typeGDDR5HBM2e
Maximum RAM amount8 GB40 GB
Memory bus width256 Bit4096 Bit
Memory clock speed1250 MHz2400 MHz
Memory bandwidth160.0 GB/s1,229 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_0)12 (12_1)
Shader Model5.1no data
OpenGL4.64.6
OpenCL1.2no data
Vulkan1.1.126-
CUDA3.0-

Pros & cons summary


Recency 16 September 2014 14 May 2020
Maximum RAM amount 8 GB 40 GB
Chip lithography 28 nm 7 nm
Power consumption (TDP) 100 Watt 260 Watt

Tesla K8 has 160% lower power consumption.

Tesla A100, on the other hand, has an age advantage of 5 years, a 400% higher maximum VRAM amount, and a 300% more advanced lithography process.

We couldn't decide between Tesla K8 and Tesla A100. 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 K8
Tesla K8
NVIDIA Tesla A100
Tesla A100

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Community ratings

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3.5 239 votes

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