NVIDIA Quadro FX 1800 vs NVIDIA Quadro K620

VS

NVIDIA Quadro FX 1800

NVIDIA Quadro K620

We compared two Professional market GPUs: 768MB VRAM Quadro FX 1800 and 2GB VRAM Quadro K620 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA Quadro FX 1800 's Advantages

Larger VRAM bandwidth (38.40GB/s vs 28.80GB/s)

NVIDIA Quadro K620 's Advantages

Released 5 years and 4 months late

Boost Clock1124MHz

More VRAM (2GB vs 768GB)

320 additional rendering cores

Lower TDP (45W vs 59W)

Score

Benchmark

FP32 (float)

Quadro FX 1800

0.176 TFLOPS

Quadro K620 +390%

0.863 TFLOPS

Quadro FX 1800

VS

Quadro K620

Graphics Card

Mar 2009

Release Date

Jul 2014

Quadro FX

Generation

Quadro

Professional

Type

Professional

PCIe 2.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

Base Clock

1058 MHz

-

Boost Clock

1124 MHz

800 MHz

Memory Clock

900 MHz

Memory

768MB

Memory Size

2GB

GDDR3

Memory Type

DDR3

192bit

Memory Bus

128bit

38.40GB/s

Bandwidth

28.80GB/s

Render Config

-

8

SM Count

-

64

Shading Units

384

32

TMUs

24

12

ROPs

16

-

L1 Cache

64 KB (per SMM)

48 KB

L2 Cache

2 MB

-

Theoretical Performance

6.600 GPixel/s

Pixel Rate

17.98 GPixel/s

17.60 GTexel/s

Texture Rate

26.98 GTexel/s

-

176.0 GFLOPS

FP32 (float)

863.2 GFLOPS

-

FP64 (double)

26.98 GFLOPS

Board Design

59W

TDP

45W

250 W

Suggested PSU

200 W

1x DVI 2x DisplayPort

Outputs

1x DVI 1x DisplayPort 1.4a

None

Power Connectors

None

Graphics Processor

G94

GPU Name

GM107

G94 GL-U

GPU Variant

GM107-850-A2

Tesla

Architecture

Maxwell

TSMC

Foundry

TSMC

65 nm

Process Size

28 nm

0.505 billion

Transistors

1.87 billion

240 mm²

Die Size

148 mm²

Graphics Features

11.1 (10_0)

DirectX

12 (11_0)

3.3

OpenGL

4.6

1.1

OpenCL

3.0

N/A

Vulkan

1.3

1.1

CUDA

5.0

4.0

Shader Model

5.1

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