RTX A1000 vs Tesla K40s

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Primary details

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

Place in the rankingnot rated192
Place by popularitynot in top-100not in top-100
Power efficiencyno data39.86
ArchitectureKepler (2012−2018)Ampere (2020−2024)
GPU code nameGK110BGA107
Market segmentWorkstationWorkstation
Release date22 November 2013 (10 years ago)16 April 2024 (less than a year 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 cores28802304
Core clock speed745 MHz727 MHz
Boost clock speed876 MHz1462 MHz
Number of transistors7,080 million8,700 million
Manufacturing process technology28 nm8 nm
Power consumption (TDP)245 Watt50 Watt
Texture fill rate210.2105.3
Floating-point processing power5.046 TFLOPS6.737 TFLOPS
ROPs4832
TMUs24072
Tensor Coresno data72
Ray Tracing Coresno data18

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 4.0 x8
Length267 mm163 mm
Width2-slot1-slot
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 MHz1500 MHz
Memory bandwidth288.4 GB/s192.0 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 outputs4x mini-DisplayPort 1.4a

API compatibility

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

DirectX12 (11_1)12 Ultimate (12_2)
Shader Model5.16.7
OpenGL4.64.6
OpenCL1.23.0
Vulkan1.1.1261.3
CUDA3.58.6

Pros & cons summary


Recency 22 November 2013 16 April 2024
Maximum RAM amount 12 GB 8 GB
Chip lithography 28 nm 8 nm
Power consumption (TDP) 245 Watt 50 Watt

Tesla K40s has a 50% higher maximum VRAM amount.

RTX A1000, on the other hand, has an age advantage of 10 years, a 250% more advanced lithography process, and 390% lower power consumption.

We couldn't decide between Tesla K40s and RTX A1000. 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 K40s
Tesla K40s
NVIDIA RTX A1000
RTX A1000

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Community ratings

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