NVIDIA Tesla K20X vs NVIDIA Quadro RTX 4000 Max Q

VS

NVIDIA Tesla K20X

NVIDIA Quadro RTX 4000 Max Q

We compared two Professional market GPUs: 6GB VRAM Tesla K20X and 8GB VRAM Quadro RTX 4000 Max Q to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA Tesla K20X 's Advantages

128 additional rendering cores

NVIDIA Quadro RTX 4000 Max Q 's Advantages

Released 6 years and 6 months late

Boost Clock1380MHz

More VRAM (8GB vs 6GB)

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

Lower TDP (80W vs 235W)

Score

Benchmark

FP32 (float)

Tesla K20X

3.935 TFLOPS

Quadro RTX 4000 Max Q +79%

7.066 TFLOPS

Tesla K20X

VS

Quadro RTX 4000 Max Q

Graphics Card

Nov 2012

Release Date

May 2019

Tesla

Generation

Quadro Mobile

Professional

Type

Professional

PCIe 3.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

-

Base Clock

780 MHz

-

Boost Clock

1380 MHz

1300 MHz

Memory Clock

1625 MHz

Memory

6GB

Memory Size

8GB

GDDR5

Memory Type

GDDR6

384bit

Memory Bus

256bit

249.6GB/s

Bandwidth

416.0GB/s

Render Config

-

SM Count

40

2688

Shading Units

2560

224

TMUs

160

48

ROPs

64

-

Tensor Cores

320

-

RT Cores

40

16 KB (per SMX)

L1 Cache

64 KB (per SM)

1536 KB

L2 Cache

4 MB

-

Theoretical Performance

40.99 GPixel/s

Pixel Rate

88.32 GPixel/s

164.0 GTexel/s

Texture Rate

220.8 GTexel/s

-

FP16 (half)

14.13 TFLOPS

3.935 TFLOPS

FP32 (float)

7.066 TFLOPS

1312 GFLOPS

FP64 (double)

220.8 GFLOPS

Board Design

235W

TDP

80W

550 W

Suggested PSU

-

No outputs

Outputs

No outputs

1x 6-pin + 1x 8-pin

Power Connectors

None

Graphics Processor

GK110

GPU Name

TU104

-

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

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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