NVIDIA Quadro RTX 4000 vs NVIDIA Tesla K20c

VS

NVIDIA Quadro RTX 4000

NVIDIA Tesla K20c

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

Main Differences

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)

NVIDIA Tesla K20c 's Advantages

192 additional rendering cores

Score

Benchmark

FP32 (float)

Quadro RTX 4000 +102%

7.119 TFLOPS

Tesla K20c

3.524 TFLOPS

Quadro RTX 4000

VS

Tesla K20c

Graphics Card

Nov 2018

Release Date

Nov 2012

Quadro

Generation

Tesla

Professional

Type

Professional

PCIe 3.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

1005 MHz

Base Clock

-

1545 MHz

Boost Clock

-

1625 MHz

Memory Clock

1300 MHz

Memory

8GB

Memory Size

5GB

GDDR6

Memory Type

GDDR5

256bit

Memory Bus

320bit

416.0GB/s

Bandwidth

208.0GB/s

Render Config

-

36

SM Count

-

2304

Shading Units

2496

144

TMUs

208

64

ROPs

40

288

Tensor Cores

-

36

RT Cores

-

64 KB (per SM)

L1 Cache

16 KB (per SMX)

4 MB

L2 Cache

1280 KB

-

Theoretical Performance

98.88 GPixel/s

Pixel Rate

36.71 GPixel/s

222.5 GTexel/s

Texture Rate

146.8 GTexel/s

14.24 TFLOPS

FP16 (half)

-

7.119 TFLOPS

FP32 (float)

3.524 TFLOPS

222.5 GFLOPS

FP64 (double)

1175 GFLOPS

Board Design

160W

TDP

225W

450 W

Suggested PSU

550 W

3x DisplayPort 1.4a 1x USB Type-C

Outputs

No outputs

1x 8-pin

Power Connectors

1x 6-pin + 1x 8-pin

Graphics Processor

TU104

GPU Name

GK110

TU104-850-A1

GPU Variant

GK110-885-KA-A1

Turing

Architecture

Kepler

TSMC

Foundry

TSMC

12 nm

Process Size

28 nm

13.6 billion

Transistors

7.08 billion

545 mm²

Die Size

561 mm²

Graphics Features

12 Ultimate (12_2)

DirectX

12 (11_0)

4.6

OpenGL

4.6

3.0

OpenCL

3.0

1.3

Vulkan

1.1

7.5

CUDA

3.5

6.6

Shader Model

5.1

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