NVIDIA Quadro K420 vs NVIDIA Quadro FX 1800

VS

NVIDIA Quadro K420 NVIDIA Quadro FX 1800

We compared two Professional market GPUs: 1024MB VRAM Quadro K420 and 768MB VRAM Quadro FX 1800 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

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)

NVIDIA Quadro FX 1800 's Advantages

Larger VRAM bandwidth (38.40GB/s vs 28.51GB/s)

Score

Benchmark

FP32 (float)

Quadro K420 +90%

0.336 TFLOPS

Quadro FX 1800

0.176 TFLOPS

Quadro K420

VS

Quadro FX 1800

Graphics Card

Jul 2014

Release Date

Mar 2009

Quadro

Generation

Quadro FX

Professional

Type

Professional

PCIe 2.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

Base Clock

-

Boost Clock

-

891 MHz

Memory Clock

800 MHz

Memory

1024MB

Memory Size

768MB

DDR3

Memory Type

GDDR3

128bit

Memory Bus

192bit

28.51GB/s

Bandwidth

38.40GB/s

Render Config

-

SM Count

8

-

Compute Units

-

192

Shading Units

64

16

TMUs

32

16

ROPs

12

-

Tensor Cores

-

RT Cores

-

16 KB (per SMX)

L1 Cache

-

256 KB

L2 Cache

48 KB

Theoretical Performance

3.504 GPixel/s

Pixel Rate

6.600 GPixel/s

14.02 GTexel/s

Texture Rate

17.60 GTexel/s

-

FP16 (half)

-

336.4 GFLOPS

FP32 (float)

176.0 GFLOPS

14.02 GFLOPS

FP64 (double)

-

Graphics Processor

GK107

GPU Name

G94

GK107-301-A2

GPU Variant

G94 GL-U

Kepler

Architecture

Tesla

TSMC

Foundry

TSMC

28 nm

Process Size

65 nm

1.27 billion

Transistors

0.505 billion

118 mm²

Die Size

240 mm²

Board Design

41W

TDP

59W

200 W

Suggested PSU

250 W

1x DVI 1x DisplayPort 1.2

Outputs

1x DVI 2x DisplayPort

None

Power Connectors

None

Graphics Features

12 (11_0)

DirectX

11.1 (10_0)

4.6

OpenGL

3.3

3.0

OpenCL

1.1

Vulkan

N/A

3.0

CUDA

1.1

5.1

Shader Model

4.0

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