ATI Radeon 3100 IGP 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 evaluation0.36no data
ArchitectureKepler (2012−2018)TeraScale (2005−2013)
GPU code nameGK110RS780
Market segmentWorkstationDesktop
Release date12 November 2012 (11 years ago)15 August 2008 (16 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 cores249640
Core clock speed706 MHz344 MHz
Number of transistors7,080 million180 million
Manufacturing process technology28 nm65 nm
Power consumption (TDP)225 Wattno data
Texture fill rate146.81.376
Floating-point processing power3.524 gflops0.02752 gflops
ROPs404
TMUs2084

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 1.0 x16
Length267 mmno data
Width2-slotIGP
Supplementary power connectors1x 6-pin + 1x 8-pinNone

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 typeGDDR5System Shared
Maximum RAM amount5 GBSystem Shared
Memory bus width320 BitSystem Shared
Memory clock speed5200 MHzSystem Shared
Memory bandwidth208.0 GB/sno data

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 graphics and general-purpose computing APIs, including their specific versions.

DirectX12 (11_0)10.0 (10_0)
Shader Model5.14.1
OpenGL4.63.3
OpenCL1.21.0
Vulkan1.1.126N/A
CUDA3.5-

Pros & cons summary


Recency 12 November 2012 15 August 2008
Chip lithography 28 nm 65 nm

Tesla K20c has an age advantage of 4 years, and a 132.1% more advanced lithography process.

We couldn't decide between Tesla K20c and Radeon 3100 IGP. We've got no test results to judge.

Be aware that Tesla K20c is a workstation graphics card while Radeon 3100 IGP is a desktop 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 Tesla K20c
Tesla K20c
ATI Radeon 3100 IGP
Radeon 3100 IGP

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

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


4.6 11 votes

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3 11 votes

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Questions & comments

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