NVIDIA Quadro FX 3800 vs NVIDIA Quadro K420

VS

NVIDIA Quadro FX 3800

NVIDIA Quadro K420

We compared two Professional market GPUs: 1024MB VRAM Quadro FX 3800 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 3800 's Advantages

Larger VRAM bandwidth (51.20GB/s vs 28.51GB/s)

NVIDIA Quadro K420 's Advantages

Released 5 years and 4 months late

Lower TDP (41W vs 108W)

Score

Benchmark

FP32 (float)

Quadro FX 3800 +37%

0.462 TFLOPS

Quadro K420

0.336 TFLOPS

Quadro FX 3800

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

1024MB

Memory Size

1024MB

GDDR3

Memory Type

DDR3

256bit

Memory Bus

128bit

51.20GB/s

Bandwidth

28.51GB/s

Render Config

-

24

SM Count

-

192

Shading Units

192

64

TMUs

16

ROPs

16

-

L1 Cache

16 KB (per SMX)

128 KB

L2 Cache

256 KB

-

Theoretical Performance

9.600 GPixel/s

Pixel Rate

3.504 GPixel/s

38.40 GTexel/s

Texture Rate

14.02 GTexel/s

-

462.3 GFLOPS

FP32 (float)

336.4 GFLOPS

57.79 GFLOPS

FP64 (double)

14.02 GFLOPS

Board Design

108W

TDP

41W

300 W

Suggested PSU

200 W

1x DVI 2x DisplayPort

Outputs

1x DVI 1x DisplayPort 1.2

1x 6-pin

Power Connectors

None

Graphics Processor

GT200B

GPU Name

GK107

G200-835-B2

GPU Variant

GK107-301-A2

Tesla 2.0

Architecture

Kepler

TSMC

Foundry

TSMC

55 nm

Process Size

28 nm

1.4 billion

Transistors

1.27 billion

470 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

1.3

CUDA

3.0

4.0

Shader Model

5.1

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