NVIDIA Quadro RTX 6000 vs NVIDIA Quadro K420

VS

NVIDIA Quadro RTX 6000 NVIDIA Quadro K420

We compared two Professional market GPUs: 24GB VRAM Quadro RTX 6000 and 1024MB VRAM Quadro K420 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA Quadro RTX 6000 's Advantages

Released 4 years and 1 months late

Boost Clock1770MHz

More VRAM (24GB vs 1GB)

Larger VRAM bandwidth (672.0GB/s vs 28.51GB/s)

4416 additional rendering cores

NVIDIA Quadro K420 's Advantages

Lower TDP (41W vs 260W)

Score

Benchmark

FP32 (float)

Quadro RTX 6000 +4754%

16.31 TFLOPS

Quadro K420

0.336 TFLOPS

Quadro RTX 6000

VS

Quadro K420

Graphics Card

Aug 2018

Release Date

Jul 2014

Quadro

Generation

Quadro

Professional

Type

Professional

PCIe 3.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

1440 MHz

Base Clock

-

1770 MHz

Boost Clock

-

1750 MHz

Memory Clock

891 MHz

Memory

24GB

Memory Size

1024MB

GDDR6

Memory Type

DDR3

384bit

Memory Bus

128bit

672.0GB/s

Bandwidth

28.51GB/s

Render Config

72

SM Count

-

Compute Units

-

4608

Shading Units

192

288

TMUs

16

96

ROPs

16

576

Tensor Cores

-

72

RT Cores

-

64 KB (per SM)

L1 Cache

16 KB (per SMX)

6 MB

L2 Cache

256 KB

Theoretical Performance

169.9 GPixel/s

Pixel Rate

3.504 GPixel/s

509.8 GTexel/s

Texture Rate

14.02 GTexel/s

32.62 TFLOPS

FP16 (half)

-

16.31 TFLOPS

FP32 (float)

336.4 GFLOPS

509.8 GFLOPS

FP64 (double)

14.02 GFLOPS

Graphics Processor

TU102

GPU Name

GK107

TU102-875-A1

GPU Variant

GK107-301-A2

Turing

Architecture

Kepler

TSMC

Foundry

TSMC

12 nm

Process Size

28 nm

18.6 billion

Transistors

1.27 billion

754 mm²

Die Size

118 mm²

Board Design

260W

TDP

41W

600 W

Suggested PSU

200 W

4x DisplayPort 1.4a 1x USB Type-C

Outputs

1x DVI 1x DisplayPort 1.2

1x 6-pin + 1x 8-pin

Power Connectors

None

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

3.0

6.6

Shader Model

5.1

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