NVIDIA Quadro K6000 vs NVIDIA Quadro K420

VS

We compared two Professional market GPUs: 12GB VRAM Quadro K6000 and 1024MB VRAM Quadro K420 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA Quadro K6000 's Advantages

Boost Clock902MHz

More VRAM (12GB vs 1GB)

Larger VRAM bandwidth (288.4GB/s vs 28.51GB/s)

2688 additional rendering cores

NVIDIA Quadro K420 's Advantages

Released 1 years late

Lower TDP (41W vs 225W)

Score

Benchmark

FP32 (float)

Quadro K6000 +1446%

5.196 TFLOPS

Quadro K420

0.336 TFLOPS

Quadro K6000

VS

Quadro K420

Graphics Card

Jul 2013

Release Date

Jul 2014

Quadro

Generation

Quadro

Professional

Type

Professional

PCIe 3.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

797 MHz

Base Clock

-

902 MHz

Boost Clock

-

1502 MHz

Memory Clock

891 MHz

Memory

12GB

Memory Size

1024MB

GDDR5

Memory Type

DDR3

384bit

Memory Bus

128bit

288.4GB/s

Bandwidth

28.51GB/s

Render Config

-

SM Count

-

Compute Units

-

2880

Shading Units

192

240

TMUs

16

48

ROPs

16

-

Tensor Cores

-

RT Cores

-

16 KB (per SMX)

L1 Cache

16 KB (per SMX)

1536 KB

L2 Cache

256 KB

Theoretical Performance

54.12 GPixel/s

Pixel Rate

3.504 GPixel/s

216.5 GTexel/s

Texture Rate

14.02 GTexel/s

-

FP16 (half)

-

5.196 TFLOPS

FP32 (float)

336.4 GFLOPS

1.732 TFLOPS

FP64 (double)

14.02 GFLOPS

Graphics Processor

GK110B

GPU Name

GK107

GK110-890-B1

GPU Variant

GK107-301-A2

Kepler

Architecture

Kepler

TSMC

Foundry

TSMC

28 nm

Process Size

28 nm

7.08 billion

Transistors

1.27 billion

561 mm²

Die Size

118 mm²

Board Design

225W

TDP

41W

550 W

Suggested PSU

200 W

2x DVI 2x DisplayPort 1.2

Outputs

1x DVI 1x DisplayPort 1.2

2x 6-pin

Power Connectors

None

Graphics Features

12 (11_1)

DirectX

12 (11_0)

4.6

OpenGL

4.6

3.0

OpenCL

3.0

1.1

Vulkan

1.1

3.5

CUDA

3.0

5.1

Shader Model

5.1

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