Tesla K20X vs SIS Mirage 3 671MX

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Primary details

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

Place in the rankingnot ratednot rated
Place by popularitynot in top-100not in top-100
Architectureno dataKepler (2012−2018)
GPU code name671MXGK110
Market segmentLaptopWorkstation
Release date1 June 2006 (18 years ago)12 November 2012 (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 cores32688
Core clock speed1 MHz732 MHz
Boost clock speed250 MHzno data
Number of transistorsno data7,080 million
Manufacturing process technologyno data28 nm
Power consumption (TDP)no data235 Watt
Texture fill rateno data164.0
Floating-point processing powerno data3.935 TFLOPS
ROPsno data48
TMUsno data224

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).

Interfaceno dataPCIe 3.0 x16
Lengthno data267 mm
Widthno data2-slot
Supplementary power connectorsno data1x 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 typeno dataGDDR5
Maximum RAM amountno data6 GB
Memory bus widthno data384 Bit
Memory clock speedno data1300 MHz
Memory bandwidthno data249.6 GB/s
Shared memory+-

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 dataNo outputs

API compatibility

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

DirectXno data12 (11_0)
Shader Modelno data5.1
OpenGLno data4.6
OpenCLno data1.2
Vulkan-1.1.126
CUDA-3.5

Pros & cons summary


Recency 1 June 2006 12 November 2012

Tesla K20X has an age advantage of 6 years.

We couldn't decide between SIS Mirage 3 671MX and Tesla K20X. We've got no test results to judge.

Be aware that SIS Mirage 3 671MX is a notebook card while Tesla K20X is a workstation one.


Should you still have questions concerning choice between the reviewed GPUs, ask them in Comments section, and we shall answer.

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SIS Mirage 3 671MX
Mirage 3 671MX
NVIDIA Tesla K20X
Tesla K20X

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Community ratings

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2.3 56 votes

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3.2 51 vote

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