NVIDIA Quadro K420 vs NVIDIA Quadro FX 4600

VS

NVIDIA Quadro K420

NVIDIA Quadro FX 4600

We compared two Professional market GPUs: 1024MB VRAM Quadro K420 and 768MB VRAM Quadro FX 4600 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA Quadro K420 's Advantages

Released 7 years and 4 months late

More VRAM (1024GB vs 768GB)

96 additional rendering cores

Lower TDP (41W vs 134W)

NVIDIA Quadro FX 4600 's Advantages

Larger VRAM bandwidth (67.20GB/s vs 28.51GB/s)

Score

Benchmark

FP32 (float)

Quadro K420 +46%

0.336 TFLOPS

Quadro FX 4600

0.23 TFLOPS

Quadro K420

VS

Quadro FX 4600

Graphics Card

Jul 2014

Release Date

Mar 2007

Quadro

Generation

Quadro FX

Professional

Type

Professional

PCIe 2.0 x16

Bus Interface

PCIe 1.0 x16

Clock Speeds

-

891 MHz

Memory Clock

700 MHz

Memory

1024MB

Memory Size

768MB

DDR3

Memory Type

GDDR3

128bit

Memory Bus

384bit

28.51GB/s

Bandwidth

67.20GB/s

Render Config

-

SM Count

12

192

Shading Units

96

16

TMUs

24

16

ROPs

24

-

16 KB (per SMX)

L1 Cache

-

256 KB

L2 Cache

96 KB

-

Theoretical Performance

3.504 GPixel/s

Pixel Rate

12.00 GPixel/s

14.02 GTexel/s

Texture Rate

24.00 GTexel/s

-

336.4 GFLOPS

FP32 (float)

230.4 GFLOPS

14.02 GFLOPS

FP64 (double)

-

Board Design

41W

TDP

134W

200 W

Suggested PSU

300 W

1x DVI 1x DisplayPort 1.2

Outputs

2x DVI 1x S-Video

None

Power Connectors

1x 6-pin

Graphics Processor

GK107

GPU Name

G80

GK107-301-A2

GPU Variant

G80-850-A2

Kepler

Architecture

Tesla

TSMC

Foundry

TSMC

28 nm

Process Size

90 nm

1.27 billion

Transistors

0.681 billion

118 mm²

Die Size

484 mm²

Graphics Features

12 (11_0)

DirectX

11.1 (10_0)

4.6

OpenGL

3.3

3.0

OpenCL

1.1 (1.0)

1.1

Vulkan

N/A

3.0

CUDA

1.0

5.1

Shader Model

4.0

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