Tesla K20X vs GRID K1

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Primary details

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

Place in the ranking938not rated
Place by popularitynot in top-100not in top-100
Cost-effectiveness evaluation0.01no data
Power efficiency0.89no data
ArchitectureKepler (2012−2018)Kepler (2012−2018)
GPU code nameGK107GK110
Market segmentWorkstationWorkstation
Release date18 March 2013 (11 years ago)12 November 2012 (12 years ago)
Launch price (MSRP)$4,140 $7,699

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 cores1922688
Core clock speed850 MHz732 MHz
Number of transistors1,270 million7,080 million
Manufacturing process technology28 nm28 nm
Power consumption (TDP)130 Watt235 Watt
Texture fill rate13.60164.0
Floating-point processing power0.3264 TFLOPS3.935 TFLOPS
ROPs1648
TMUs16224

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 6-pin1x 6-pin + 1x 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 typeDDR3GDDR5
Maximum RAM amount4 GB6 GB
Memory bus width128 Bit384 Bit
Memory clock speed891 MHz1300 MHz
Memory bandwidth28.51 GB/s249.6 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 (11_0)
Shader Model5.15.1
OpenGL4.64.6
OpenCL1.21.2
Vulkan1.1.1261.1.126
CUDA3.03.5

Pros & cons summary


Recency 18 March 2013 12 November 2012
Maximum RAM amount 4 GB 6 GB
Power consumption (TDP) 130 Watt 235 Watt

GRID K1 has an age advantage of 4 months, and 80.8% lower power consumption.

Tesla K20X, on the other hand, has a 50% higher maximum VRAM amount.

We couldn't decide between GRID K1 and Tesla K20X. 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 GRID K1
GRID K1
NVIDIA Tesla K20X
Tesla K20X

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.


3.6 7 votes

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3.2 51 vote

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Questions & comments

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