NVIDIA Quadro FX 380 vs NVIDIA Quadro K420

VS

NVIDIA Quadro FX 380

NVIDIA Quadro K420

We compared two Professional market GPUs: 256MB VRAM Quadro FX 380 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 380 's Advantages

Lower TDP (34W vs 41W)

NVIDIA Quadro K420 's Advantages

Released 5 years and 4 months late

More VRAM (1024GB vs 256GB)

Larger VRAM bandwidth (28.51GB/s vs 22.40GB/s)

176 additional rendering cores

Score

Benchmark

FP32 (float)

Quadro FX 380

0.035 TFLOPS

Quadro K420 +860%

0.336 TFLOPS

Quadro FX 380

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

-

700 MHz

Memory Clock

891 MHz

Memory

256MB

Memory Size

1024MB

GDDR3

Memory Type

DDR3

128bit

Memory Bus

128bit

22.40GB/s

Bandwidth

28.51GB/s

Render Config

-

2

SM Count

-

16

Shading Units

192

8

TMUs

16

8

ROPs

16

-

L1 Cache

16 KB (per SMX)

32 KB

L2 Cache

256 KB

-

Theoretical Performance

3.600 GPixel/s

Pixel Rate

3.504 GPixel/s

3.600 GTexel/s

Texture Rate

14.02 GTexel/s

-

35.20 GFLOPS

FP32 (float)

336.4 GFLOPS

-

FP64 (double)

14.02 GFLOPS

Board Design

34W

TDP

41W

200 W

Suggested PSU

200 W

2x DVI

Outputs

1x DVI 1x DisplayPort 1.2

None

Power Connectors

None

Graphics Processor

G96

GPU Name

GK107

-

GPU Variant

GK107-301-A2

Tesla

Architecture

Kepler

UMC

Foundry

TSMC

65 nm

Process Size

28 nm

0.314 billion

Transistors

1.27 billion

144 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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