NVIDIA Tesla K20c vs NVIDIA Quadro RTX 4000

VS

NVIDIA Tesla K20c NVIDIA Quadro RTX 4000

We compared two Professional market GPUs: 5GB VRAM Tesla K20c and 8GB VRAM Quadro RTX 4000 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA Tesla K20c 's Advantages

192 additional rendering cores

NVIDIA Quadro RTX 4000 's Advantages

Released 6 years late

Boost Clock1545MHz

More VRAM (8GB vs 5GB)

Larger VRAM bandwidth (416.0GB/s vs 208.0GB/s)

Lower TDP (160W vs 225W)

Score

Benchmark

FP32 (float)

Tesla K20c

3.524 TFLOPS

Quadro RTX 4000 +102%

7.119 TFLOPS

Tesla K20c

VS

Quadro RTX 4000

Graphics Card

Nov 2012

Release Date

Nov 2018

Tesla

Generation

Quadro

Professional

Type

Professional

PCIe 2.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

-

Base Clock

1005 MHz

-

Boost Clock

1545 MHz

1300 MHz

Memory Clock

1625 MHz

Memory

5GB

Memory Size

8GB

GDDR5

Memory Type

GDDR6

320bit

Memory Bus

256bit

208.0GB/s

Bandwidth

416.0GB/s

Render Config

-

SM Count

36

-

Compute Units

-

2496

Shading Units

2304

208

TMUs

144

40

ROPs

64

-

Tensor Cores

288

-

RT Cores

36

16 KB (per SMX)

L1 Cache

64 KB (per SM)

1280 KB

L2 Cache

4 MB

Theoretical Performance

36.71 GPixel/s

Pixel Rate

98.88 GPixel/s

146.8 GTexel/s

Texture Rate

222.5 GTexel/s

-

FP16 (half)

14.24 TFLOPS

3.524 TFLOPS

FP32 (float)

7.119 TFLOPS

1175 GFLOPS

FP64 (double)

222.5 GFLOPS

Graphics Processor

GK110

GPU Name

TU104

GK110-885-KA-A1

GPU Variant

TU104-850-A1

Kepler

Architecture

Turing

TSMC

Foundry

TSMC

28 nm

Process Size

12 nm

7.08 billion

Transistors

13.6 billion

561 mm²

Die Size

545 mm²

Board Design

225W

TDP

160W

550 W

Suggested PSU

450 W

No outputs

Outputs

3x DisplayPort 1.4a 1x USB Type-C

1x 6-pin + 1x 8-pin

Power Connectors

1x 8-pin

Graphics Features

12 (11_0)

DirectX

12 Ultimate (12_2)

4.6

OpenGL

4.6

3.0

OpenCL

3.0

1.1

Vulkan

1.3

3.5

CUDA

7.5

5.1

Shader Model

6.6

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