Radeon RX 550 vs Tesla K20c

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Aggregate performance score

We've compared Tesla K20c with Radeon RX 550, including specs and performance data.

Tesla K20c
2012
5 GB GDDR5, 225 Watt
8.95
+26.4%

Tesla K20c outperforms RX 550 by a significant 26% based on our aggregate benchmark results.

Primary details

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

Place in the ranking490550
Place by popularitynot in top-10021
Cost-effectiveness evaluation0.372.92
Power efficiency2.739.71
ArchitectureKepler (2012−2018)GCN 4.0 (2016−2020)
GPU code nameGK110Lexa
Market segmentWorkstationDesktop
Release date12 November 2012 (12 years ago)20 April 2017 (7 years ago)
Launch price (MSRP)$3,199 $79

Cost-effectiveness evaluation

Performance to price ratio. The higher, the better.

RX 550 has 689% better value for money than Tesla K20c.

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 cores2496512
Core clock speed706 MHz1100 MHz
Boost clock speedno data1183 MHz
Number of transistors7,080 million2,200 million
Manufacturing process technology28 nm14 nm
Power consumption (TDP)225 Watt50 Watt
Texture fill rate146.837.86
Floating-point processing power3.524 TFLOPS1.211 TFLOPS
ROPs4016
TMUs20832

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 3.0 x8
Length267 mm145 mm
Width2-slot2-slot
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 typeGDDR5GDDR5
Maximum RAM amount5 GB4 GB
Memory bus width320 Bit128 Bit
Memory clock speed1300 MHz1750 MHz
Memory bandwidth208.0 GB/s112.0 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 ConnectorsNo outputs1x DVI, 1x HDMI, 1x DisplayPort
HDMI-+

API compatibility

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

DirectX12 (11_0)12 (12_0)
Shader Model5.16.4
OpenGL4.64.6
OpenCL1.22.0
Vulkan1.1.1261.2.131
CUDA3.5-

Gaming performance

Let's see how good the compared graphics cards are for gaming. Particular gaming benchmark results are measured in FPS.

Pros & cons summary


Performance score 8.95 7.08
Recency 12 November 2012 20 April 2017
Maximum RAM amount 5 GB 4 GB
Chip lithography 28 nm 14 nm
Power consumption (TDP) 225 Watt 50 Watt

Tesla K20c has a 26.4% higher aggregate performance score, and a 25% higher maximum VRAM amount.

RX 550, on the other hand, has an age advantage of 4 years, a 100% more advanced lithography process, and 350% lower power consumption.

The Tesla K20c is our recommended choice as it beats the Radeon RX 550 in performance tests.

Be aware that Tesla K20c is a workstation graphics card while Radeon RX 550 is a desktop one.


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

Vote for your favorite

Do you think we are right or mistaken in our choice? Vote by clicking "Like" button near your favorite graphics card.


NVIDIA Tesla K20c
Tesla K20c
AMD Radeon RX 550
Radeon RX 550

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.


4.7 12 votes

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Questions & comments

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