Tesla K40t vs Tesla C2075

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Primary details

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

Place in the ranking493not rated
Place by popularitynot in top-100not in top-100
Power efficiency2.42no data
ArchitectureFermi 2.0 (2010−2014)Kepler (2012−2018)
GPU code nameGF110GK110B
Market segmentWorkstationWorkstation
Release date25 July 2011 (13 years ago)22 November 2013 (11 years ago)
Launch price (MSRP)no data$7,699

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 cores4482880
Core clock speed574 MHz745 MHz
Boost clock speedno data876 MHz
Number of transistors3,000 million7,080 million
Manufacturing process technology40 nm28 nm
Power consumption (TDP)247 Watt245 Watt
Texture fill rate32.14210.2
Floating-point processing power1.028 TFLOPS5.046 TFLOPS
ROPs4848
TMUs56240

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 3.0 x16
Length248 mm267 mm
Width2-slot2-slot
Supplementary power connectors1x 6-pin + 1x 8-pinno data

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 amount6 GB12 GB
Memory bus width384 Bit384 Bit
Memory clock speed783 MHz1502 MHz
Memory bandwidth150.3 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 Connectors1x DVINo outputs

API compatibility

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

DirectX12 (11_0)12 (11_1)
Shader Model5.15.1
OpenGL4.64.6
OpenCL1.11.2
VulkanN/A1.1.126
CUDA2.03.5

Pros & cons summary


Recency 25 July 2011 22 November 2013
Maximum RAM amount 6 GB 12 GB
Chip lithography 40 nm 28 nm
Power consumption (TDP) 247 Watt 245 Watt

Tesla K40t has an age advantage of 2 years, a 100% higher maximum VRAM amount, a 42.9% more advanced lithography process, and 0.8% lower power consumption.

We couldn't decide between Tesla C2075 and Tesla K40t. 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 C2075
Tesla C2075
NVIDIA Tesla K40t
Tesla K40t

Comparisons with similar GPUs

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Community ratings

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