NVIDIA GeForce GTX 980 SLI Mobile vs Tesla K20m

General info

Comparison of GeForce GTX 980 SLI Mobile and Tesla K20m architecture, market type and release date.
Place in performance rating
not rated
Value for money (0-100)
no data
Code name
Release date
22 September 2015
5 January 2013
Launch price (MSRP)
no data
Price now

Technical specs

GeForce GTX 980 SLI Mobile and Tesla K20m's general performance parameters such as number of shaders, GPU core clock, manufacturing process, texturing and calculation speed. These parameters indirectly speak of GeForce GTX 980 SLI Mobile and Tesla K20m's performance, but for precise assessment you have to consider its benchmark and gaming test results.
Core clock speed
1126 MHz
706 MHz
Boost Clock
1228 MHz
no data
Transistor count
10400 Million
7,080 million
Manufacturing process technology
28 nm
28 nm
Power consumption (TDP)
330 Watt
225 Watt
Texture fill rate
no data
Floating-point performance
no data
3,524 gflops

Compatibility, dimensions and requirements

Information on GeForce GTX 980 SLI Mobile and Tesla K20m compatibility with other computer components. Useful when choosing a future computer configuration or upgrading an existing one. For desktop video cards it's interface and bus (motherboard compatibility), additional power connectors (power supply compatibility). For notebook video cards it's notebook size, connection slot and bus, if the video card is inserted into a slot instead of being soldered to the notebook motherboard.
Laptop size
no data
no data
PCIe 2.0 x16
no data
267 mm
Supplementary power connectors
no data
1x 6-pin + 1x 8-pin
SLI options


Parameters of memory installed on GeForce GTX 980 SLI Mobile and Tesla K20m: its type, size, bus, clock and resulting bandwidth. Note that GPUs integrated into processors don't have dedicated memory and use a shared part of system RAM.
Memory type
Maximum RAM amount
2x 8 GB
5 GB
Memory bus width
256 Bit
320 Bit
Memory clock speed
3500 MHz
5200 MHz
Memory bandwidth
no data
208.0 GB/s
Shared memory
no data

Video outputs and ports

Types and number of video connectors present on GeForce GTX 980 SLI Mobile and Tesla K20m. As a rule, this section is relevant only for desktop reference video cards, since for notebook ones the availability of certain video outputs depends on the laptop model.
Display Connectors
no data
No outputs
G-SYNC support

API support

APIs supported by GeForce GTX 980 SLI Mobile and Tesla K20m, sometimes including their particular versions.
DirectX 12_1
12 (11_0)
Shader Model
no data
no data
no data

Advantages of NVIDIA GeForce GTX 980 SLI Mobile

Much newer (22 September 2015 vs 5 January 2013)
Cheaper ($301.00 USD vs $5781.00 USD)
More pipelines (4096 vs 2496)
CUDA (Compute Unified Device Architecture - an API for video card computing power usage in tasks different from 3D graphics processing. Can be used for physics simulation for instance)
PhysX (hardware acceleration of physical simulation engine named PhysX)
G-SYNC (removes screen tearing by telling the display when to renew the image. Only works with G-SYNC compatible displays)

Advantages of NVIDIA Tesla K20m

Wider memory bus (320 vs 256 bit)
Less power hungry (225 vs 330 watts)

So, GTX 980 SLI Mobile or Tesla K20m?

Technical City couldn't decide between NVIDIA GeForce GTX 980 SLI Mobile and NVIDIA Tesla K20m. We've got no test results to judge.
Be aware that GeForce GTX 980 SLI Mobile is a notebook card while Tesla K20m is a workstation one.
Should you still have questions on choice between GeForce GTX 980 SLI Mobile and Tesla K20m, ask them in Comments section, and we shall answer.

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