NVIDIA Quadro K4000 vs NVIDIA Quadro P620

VS

We compared two Professional market GPUs: 3GB VRAM Quadro K4000 and 2GB VRAM Quadro P620 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA Quadro K4000 's Advantages

More VRAM (3GB vs 2GB)

Larger VRAM bandwidth (134.8GB/s vs 80.13GB/s)

256 additional rendering cores

NVIDIA Quadro P620 's Advantages

Released 4 years and 11 months late

Boost Clock1354MHz

Lower TDP (40W vs 80W)

Score

Benchmark

FP32 (float)

Quadro K4000

1.244 TFLOPS

Quadro P620 +11%

1.386 TFLOPS

Quadro K4000

VS

Quadro P620

Graphics Card

Mar 2013

Release Date

Feb 2018

Quadro

Generation

Quadro

Professional

Type

Professional

PCIe 2.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

-

Base Clock

1266 MHz

-

Boost Clock

1354 MHz

1404 MHz

Memory Clock

1252 MHz

Memory

3GB

Memory Size

2GB

GDDR5

Memory Type

GDDR5

192bit

Memory Bus

128bit

134.8GB/s

Bandwidth

80.13GB/s

Render Config

-

SM Count

4

-

Compute Units

-

768

Shading Units

512

64

TMUs

32

24

ROPs

16

-

Tensor Cores

-

RT Cores

-

16 KB (per SMX)

L1 Cache

48 KB (per SM)

384 KB

L2 Cache

1024 KB

Theoretical Performance

12.96 GPixel/s

Pixel Rate

21.66 GPixel/s

51.84 GTexel/s

Texture Rate

43.33 GTexel/s

-

FP16 (half)

21.66 GFLOPS

1244 GFLOPS

FP32 (float)

1386 GFLOPS

51.84 GFLOPS

FP64 (double)

43.33 GFLOPS

Graphics Processor

GK106

GPU Name

GP107

-

GPU Variant

-

Kepler

Architecture

Pascal

TSMC

Foundry

Samsung

28 nm

Process Size

14 nm

2.54 billion

Transistors

3.3 billion

221 mm²

Die Size

132 mm²

Board Design

80W

TDP

40W

250 W

Suggested PSU

200 W

1x DVI 2x DisplayPort 1.2

Outputs

4x mini-DisplayPort 1.4a

1x 6-pin

Power Connectors

None

Graphics Features

12 (11_0)

DirectX

12 (12_1)

4.6

OpenGL

4.6

3.0

OpenCL

3.0

1.1

Vulkan

1.3

3.0

CUDA

6.1

5.1

Shader Model

6.4

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