Tesla K20s vs GeForce GTX 670

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Primary details

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

Place in the ranking377not rated
Place by popularitynot in top-100not in top-100
Cost-effectiveness evaluation3.48no data
Power efficiency5.58no data
ArchitectureKepler (2012−2018)Kepler (2012−2018)
GPU code nameGK104GK110
Market segmentDesktopWorkstation
Release date10 May 2012 (12 years ago)18 February 2013 (11 years ago)
Launch price (MSRP)$399 $3,199

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 cores13442496
Core clock speed915 MHz575 MHz
Boost clock speed980 MHzno data
Number of transistors3,540 million7,080 million
Manufacturing process technology28 nm28 nm
Power consumption (TDP)170 Watt225 Watt
Maximum GPU temperature97 °Cno data
Texture fill rate109.8119.6
Floating-point processing power2.634 TFLOPS2.87 TFLOPS
ROPs3240
TMUs112208

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).

Bus supportPCI Express 3.0no data
InterfacePCIe 3.0 x16PCIe 2.0 x16
Length241 mm267 mm
Height4.376" (11.1 cm)no data
Width2-slot2-slot
Supplementary power connectors2x 6-pinno data
SLI options+-

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 amount2 GB5 GB
Memory bus width256-bit GDDR5320 Bit
Memory clock speed6.0 GB/s1300 MHz
Memory bandwidth192.2 GB/s208.0 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 ConnectorsOne Dual Link DVI-I, One Dual Link DVI-D, One HDMI, One DisplayPortNo outputs
Multi monitor support4 displaysno data
HDMI+-
HDCP+-
Maximum VGA resolution2048x1536no data
Audio input for HDMIInternalno data

Supported technologies

Supported technological solutions. This information will prove useful if you need some particular technology for your purposes.

3D Blu-Ray+-
3D Gaming+-
3D Vision+-

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
OpenGL4.24.6
OpenCL1.21.2
Vulkan1.1.1261.1.126
CUDA+3.5

Pros & cons summary


Recency 10 May 2012 18 February 2013
Maximum RAM amount 2 GB 5 GB
Power consumption (TDP) 170 Watt 225 Watt

GTX 670 has 32.4% lower power consumption.

Tesla K20s, on the other hand, has an age advantage of 9 months, and a 150% higher maximum VRAM amount.

We couldn't decide between GeForce GTX 670 and Tesla K20s. We've got no test results to judge.

Be aware that GeForce GTX 670 is a desktop card while Tesla K20s 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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NVIDIA GeForce GTX 670
GeForce GTX 670
NVIDIA Tesla K20s
Tesla K20s

Comparisons with similar GPUs

We selected several comparisons of graphics cards with performance close to those reviewed, providing you with more options to consider.

Community ratings

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3.7 1158 votes

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Questions & comments

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