Tesla K20c vs Quadro RTX 4000

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Aggregate performance score

We've compared Quadro RTX 4000 and Tesla K20c, covering specs and all relevant benchmarks.

RTX 4000
2018
8 GB GDDR6, 160 Watt
39.78
+347%

RTX 4000 outperforms Tesla K20c by a whopping 347% based on our aggregate benchmark results.

Primary details

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

Place in the ranking105483
Place by popularitynot in top-100not in top-100
Cost-effectiveness evaluation36.400.35
Power efficiency17.222.74
ArchitectureTuring (2018−2022)Kepler (2012−2018)
GPU code nameTU104GK110
Market segmentWorkstationWorkstation
Release date13 November 2018 (5 years ago)12 November 2012 (11 years ago)
Launch price (MSRP)$899 $3,199

Cost-effectiveness evaluation

Performance to price ratio. The higher, the better.

RTX 4000 has 10300% 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 cores23042496
Core clock speed1005 MHz706 MHz
Boost clock speed1545 MHzno data
Number of transistors13,600 million7,080 million
Manufacturing process technology12 nm28 nm
Power consumption (TDP)160 Watt225 Watt
Texture fill rate222.5146.8
Floating-point processing power7.119 TFLOPS3.524 TFLOPS
ROPs6440
TMUs144208
Tensor Cores288no data
Ray Tracing Cores36no data

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 3.0 x16PCIe 2.0 x16
Length241 mm267 mm
Width1-slot2-slot
Supplementary power connectors1x 8-pin1x 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 typeGDDR6GDDR5
Maximum RAM amount8 GB5 GB
Memory bus width256 Bit320 Bit
Memory clock speed1625 MHz1300 MHz
Memory bandwidth416.0 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 Connectors3x DisplayPort, 1x USB Type-CNo outputs

API compatibility

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

DirectX12 Ultimate (12_1)12 (11_0)
Shader Model6.55.1
OpenGL4.64.6
OpenCL1.21.2
Vulkan1.2.1311.1.126
CUDA7.53.5

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 39.78 8.90
Recency 13 November 2018 12 November 2012
Maximum RAM amount 8 GB 5 GB
Chip lithography 12 nm 28 nm
Power consumption (TDP) 160 Watt 225 Watt

RTX 4000 has a 347% higher aggregate performance score, an age advantage of 6 years, a 60% higher maximum VRAM amount, a 133.3% more advanced lithography process, and 40.6% lower power consumption.

The Quadro RTX 4000 is our recommended choice as it beats the Tesla K20c in performance tests.


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 Quadro RTX 4000
Quadro RTX 4000
NVIDIA Tesla K20c
Tesla K20c

Comparisons with similar GPUs

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Community ratings

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Questions & comments

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