NVIDIA Quadro FX 1800 vs NVIDIA Quadro K420

VS

NVIDIA Quadro FX 1800

NVIDIA Quadro K420

We compared two Professional market GPUs: 768MB VRAM Quadro FX 1800 and 1024MB VRAM Quadro K420 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 28.51GB/s)

NVIDIA Quadro K420 's Advantages

Released 5 years and 4 months late

More VRAM (1024GB vs 768GB)

128 additional rendering cores

Lower TDP (41W vs 59W)

Score

Benchmark

FP32 (float)

Quadro FX 1800

0.176 TFLOPS

Quadro K420 +90%

0.336 TFLOPS

Quadro FX 1800

VS

Quadro K420

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

-

800 MHz

Memory Clock

891 MHz

Memory

768MB

Memory Size

1024MB

GDDR3

Memory Type

DDR3

192bit

Memory Bus

128bit

38.40GB/s

Bandwidth

28.51GB/s

Render Config

-

8

SM Count

-

64

Shading Units

192

32

TMUs

16

12

ROPs

16

-

L1 Cache

16 KB (per SMX)

48 KB

L2 Cache

256 KB

-

Theoretical Performance

6.600 GPixel/s

Pixel Rate

3.504 GPixel/s

17.60 GTexel/s

Texture Rate

14.02 GTexel/s

-

176.0 GFLOPS

FP32 (float)

336.4 GFLOPS

-

FP64 (double)

14.02 GFLOPS

Board Design

59W

TDP

41W

250 W

Suggested PSU

200 W

1x DVI 2x DisplayPort

Outputs

1x DVI 1x DisplayPort 1.2

None

Power Connectors

None

Graphics Processor

G94

GPU Name

GK107

G94 GL-U

GPU Variant

GK107-301-A2

Tesla

Architecture

Kepler

TSMC

Foundry

TSMC

65 nm

Process Size

28 nm

0.505 billion

Transistors

1.27 billion

240 mm²

Die Size

118 mm²

Graphics Features

11.1 (10_0)

DirectX

12 (11_0)

3.3

OpenGL

4.6

1.1

OpenCL

3.0

N/A

Vulkan

1.1

CUDA

3.0

4.0

Shader Model

5.1

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