NVIDIA Quadro RTX 8000 vs NVIDIA Quadro K620

VS

NVIDIA Quadro RTX 8000 NVIDIA Quadro K620

We compared two Professional market GPUs: 48GB VRAM Quadro RTX 8000 and 2GB VRAM Quadro K620 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA Quadro RTX 8000 's Advantages

Released 4 years and 1 months late

Boost Clock has increased by 57% (1770MHz vs 1124MHz)

More VRAM (48GB vs 2GB)

Larger VRAM bandwidth (672.0GB/s vs 28.80GB/s)

4224 additional rendering cores

NVIDIA Quadro K620 's Advantages

Lower TDP (45W vs 260W)

Score

Benchmark

FP32 (float)

Quadro RTX 8000 +1789%

16.31 TFLOPS

Quadro K620

0.863 TFLOPS

Quadro RTX 8000

VS

Quadro K620

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

1395 MHz

Base Clock

1058 MHz

1770 MHz

Boost Clock

1124 MHz

1750 MHz

Memory Clock

900 MHz

Memory

48GB

Memory Size

2GB

GDDR6

Memory Type

DDR3

384bit

Memory Bus

128bit

672.0GB/s

Bandwidth

28.80GB/s

Render Config

72

SM Count

-

Compute Units

-

4608

Shading Units

384

288

TMUs

24

96

ROPs

16

576

Tensor Cores

-

72

RT Cores

-

64 KB (per SM)

L1 Cache

64 KB (per SMM)

6 MB

L2 Cache

2 MB

Theoretical Performance

169.9 GPixel/s

Pixel Rate

17.98 GPixel/s

509.8 GTexel/s

Texture Rate

26.98 GTexel/s

32.62 TFLOPS

FP16 (half)

-

16.31 TFLOPS

FP32 (float)

863.2 GFLOPS

509.8 GFLOPS

FP64 (double)

26.98 GFLOPS

Graphics Processor

TU102

GPU Name

GM107

TU102-875-A1

GPU Variant

GM107-850-A2

Turing

Architecture

Maxwell

TSMC

Foundry

TSMC

12 nm

Process Size

28 nm

18.6 billion

Transistors

1.87 billion

754 mm²

Die Size

148 mm²

Board Design

260W

TDP

45W

600 W

Suggested PSU

200 W

4x DisplayPort 1.4a 1x USB Type-C

Outputs

1x DVI 1x DisplayPort 1.4a

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

1.3

7.5

CUDA

5.0

6.6

Shader Model

5.1

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