CMP 90HX vs Tesla K20c

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Primary details

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

Place in the ranking483not rated
Place by popularitynot in top-100not in top-100
Cost-effectiveness evaluation0.35no data
Power efficiency2.85no data
ArchitectureKepler (2012−2018)Ampere (2020−2024)
GPU code nameGK110GA102
Market segmentWorkstationWorkstation
Release date12 November 2012 (11 years ago)28 July 2021 (3 years ago)
Launch price (MSRP)$3,199 no data

Cost-effectiveness evaluation

Performance to price ratio. The higher, the better.

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 cores24966400
Core clock speed706 MHz1500 MHz
Boost clock speedno data1710 MHz
Number of transistors7,080 million28,300 million
Manufacturing process technology28 nm8 nm
Power consumption (TDP)225 Watt320 Watt
Texture fill rate146.8342.0
Floating-point processing power3.524 TFLOPS21.89 TFLOPS
ROPs4080
TMUs208200
Tensor Coresno data200
Ray Tracing Coresno data50

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
Length267 mm285 mm
Width2-slot2-slot
Supplementary power connectors1x 6-pin + 1x 8-pin2x 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 typeGDDR5GDDR6X
Maximum RAM amount5 GB10 GB
Memory bus width320 Bit320 Bit
Memory clock speed1300 MHz1188 MHz
Memory bandwidth208.0 GB/s760.3 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 Ultimate (12_2)
Shader Model5.16.6
OpenGL4.64.6
OpenCL1.23.0
Vulkan1.1.1261.2
CUDA3.58.6

Pros & cons summary


Recency 12 November 2012 28 July 2021
Maximum RAM amount 5 GB 10 GB
Chip lithography 28 nm 8 nm
Power consumption (TDP) 225 Watt 320 Watt

Tesla K20c has 42.2% lower power consumption.

CMP 90HX, on the other hand, has an age advantage of 8 years, a 100% higher maximum VRAM amount, and a 250% more advanced lithography process.

We couldn't decide between Tesla K20c and CMP 90HX. 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 K20c
Tesla K20c
NVIDIA CMP 90HX
CMP 90HX

Comparisons with similar GPUs

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Community ratings

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


4.7 12 votes

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4.7 30 votes

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Questions & comments

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