NVIDIA Quadro K620M vs NVIDIA Quadro 400

VS

We compared two Professional market GPUs: 2GB VRAM Quadro K620M and 512MB VRAM Quadro 400 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA Quadro K620M 's Advantages

Released 3 years and 11 months late

Boost Clock1124MHz

Larger VRAM bandwidth (14.40GB/s vs 12.32GB/s)

336 additional rendering cores

Lower TDP (30W vs 32W)

Score

Benchmark

FP32 (float)

Quadro K620M +699%

0.863 TFLOPS

Quadro 400

0.108 TFLOPS

Quadro K620M

VS

Quadro 400

Graphics Card

Mar 2015

Release Date

Apr 2011

Quadro Mobile

Generation

Quadro

Professional

Type

Professional

MXM-A (3.0)

Bus Interface

PCIe 2.0 x16

Clock Speeds

1029 MHz

Base Clock

-

1124 MHz

Boost Clock

-

900 MHz

Memory Clock

770 MHz

Memory

2GB

Memory Size

512MB

DDR3

Memory Type

DDR3

64bit

Memory Bus

64bit

14.40GB/s

Bandwidth

12.32GB/s

Render Config

-

SM Count

6

-

Compute Units

-

384

Shading Units

48

16

TMUs

16

8

ROPs

8

-

Tensor Cores

-

RT Cores

-

64 KB (per SMM)

L1 Cache

-

1024 KB

L2 Cache

32 KB

Theoretical Performance

8.992 GPixel/s

Pixel Rate

3.600 GPixel/s

17.98 GTexel/s

Texture Rate

7.200 GTexel/s

-

FP16 (half)

-

863.2 GFLOPS

FP32 (float)

108.0 GFLOPS

26.98 GFLOPS

FP64 (double)

-

Graphics Processor

GM108

GPU Name

GT216

N15M-Q3

GPU Variant

GT216 GL

Maxwell

Architecture

Tesla 2.0

TSMC

Foundry

TSMC

28 nm

Process Size

40 nm

Unknown

Transistors

0.486 billion

Unknown

Die Size

100 mm²

Board Design

30W

TDP

32W

-

Suggested PSU

200 W

No outputs

Outputs

1x DVI 1x DisplayPort

None

Power Connectors

None

Graphics Features

12 (11_0)

DirectX

11.1 (10_1)

4.6

OpenGL

3.3

3.0

OpenCL

1.1

1.3

Vulkan

N/A

5.0

CUDA

1.2

5.1

Shader Model

4.1

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