NVIDIA Quadro RTX 4000 vs NVIDIA Tesla K20X

VS

NVIDIA Quadro RTX 4000 NVIDIA Tesla K20X

We compared two Professional market GPUs: 8GB VRAM Quadro RTX 4000 and 6GB VRAM Tesla K20X 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 6GB)

Larger VRAM bandwidth (416.0GB/s vs 249.6GB/s)

Lower TDP (160W vs 235W)

NVIDIA Tesla K20X 's Advantages

384 additional rendering cores

Score

Benchmark

FP32 (float)

Quadro RTX 4000 +80%

7.119 TFLOPS

Tesla K20X

3.935 TFLOPS

Quadro RTX 4000

VS

Tesla K20X

Graphics Card

Nov 2018

Release Date

Nov 2012

Quadro

Generation

Tesla

Professional

Type

Professional

PCIe 3.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

1005 MHz

Base Clock

-

1545 MHz

Boost Clock

-

1625 MHz

Memory Clock

1300 MHz

Memory

8GB

Memory Size

6GB

GDDR6

Memory Type

GDDR5

256bit

Memory Bus

384bit

416.0GB/s

Bandwidth

249.6GB/s

Render Config

36

SM Count

-

Compute Units

-

2304

Shading Units

2688

144

TMUs

224

64

ROPs

48

288

Tensor Cores

-

36

RT Cores

-

64 KB (per SM)

L1 Cache

16 KB (per SMX)

4 MB

L2 Cache

1536 KB

Theoretical Performance

98.88 GPixel/s

Pixel Rate

40.99 GPixel/s

222.5 GTexel/s

Texture Rate

164.0 GTexel/s

14.24 TFLOPS

FP16 (half)

-

7.119 TFLOPS

FP32 (float)

3.935 TFLOPS

222.5 GFLOPS

FP64 (double)

1312 GFLOPS

Graphics Processor

TU104

GPU Name

GK110

TU104-850-A1

GPU Variant

-

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

Board Design

160W

TDP

235W

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 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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