NVIDIA Quadro K620 vs NVIDIA RTX A6000

VS

We compared two Professional market GPUs: 2GB VRAM Quadro K620 and 48GB VRAM RTX A6000 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA Quadro K620 's Advantages

Lower TDP (45W vs 300W)

NVIDIA RTX A6000 's Advantages

Released 6 years and 3 months late

Boost Clock has increased by 60% (1800MHz vs 1124MHz)

More VRAM (48GB vs 2GB)

Larger VRAM bandwidth (768.0GB/s vs 28.80GB/s)

10368 additional rendering cores

Score

Benchmark

FP32 (float)

Quadro K620

0.863 TFLOPS

RTX A6000 +4385%

38.71 TFLOPS

Quadro K620

VS

RTX A6000

Graphics Card

Jul 2014

Release Date

Oct 2020

Quadro

Generation

Quadro Ampere

Professional

Type

Professional

PCIe 2.0 x16

Bus Interface

PCIe 4.0 x16

Clock Speeds

1058 MHz

Base Clock

1410 MHz

1124 MHz

Boost Clock

1800 MHz

900 MHz

Memory Clock

2000 MHz

Memory

2GB

Memory Size

48GB

DDR3

Memory Type

GDDR6

128bit

Memory Bus

384bit

28.80GB/s

Bandwidth

768.0GB/s

Render Config

-

SM Count

84

-

Compute Units

-

384

Shading Units

10752

24

TMUs

336

16

ROPs

112

-

Tensor Cores

336

-

RT Cores

84

64 KB (per SMM)

L1 Cache

128 KB (per SM)

2 MB

L2 Cache

6 MB

Theoretical Performance

17.98 GPixel/s

Pixel Rate

201.6 GPixel/s

26.98 GTexel/s

Texture Rate

604.8 GTexel/s

-

FP16 (half)

38.71 TFLOPS

863.2 GFLOPS

FP32 (float)

38.71 TFLOPS

26.98 GFLOPS

FP64 (double)

604.8 GFLOPS

Graphics Processor

GM107

GPU Name

GA102

GM107-850-A2

GPU Variant

-

Maxwell

Architecture

Ampere

TSMC

Foundry

Samsung

28 nm

Process Size

8 nm

1.87 billion

Transistors

28.3 billion

148 mm²

Die Size

628 mm²

Board Design

45W

TDP

300W

200 W

Suggested PSU

700 W

1x DVI 1x DisplayPort 1.4a

Outputs

4x DisplayPort 1.4a

None

Power Connectors

8-pin EPS

Graphics Features

12 (11_0)

DirectX

12 Ultimate (12_2)

4.6

OpenGL

4.6

3.0

OpenCL

3.0

1.3

Vulkan

1.3

5.0

CUDA

8.6

5.1

Shader Model

6.7

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