NVIDIA Tesla K20X vs NVIDIA Quadro FX 3800

VS

NVIDIA Tesla K20X

NVIDIA Quadro FX 3800

We compared two Professional market GPUs: 6GB VRAM Tesla K20X and 1024MB VRAM Quadro FX 3800 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA Tesla K20X 's Advantages

Released 3 years and 8 months late

More VRAM (6GB vs 1024GB)

Larger VRAM bandwidth (249.6GB/s vs 51.20GB/s)

2496 additional rendering cores

NVIDIA Quadro FX 3800 's Advantages

Lower TDP (108W vs 235W)

Score

Benchmark

FP32 (float)

Tesla K20X +751%

3.935 TFLOPS

Quadro FX 3800

0.462 TFLOPS

Tesla K20X

VS

Quadro FX 3800

Graphics Card

Nov 2012

Release Date

Mar 2009

Tesla

Generation

Quadro FX

Professional

Type

Professional

PCIe 3.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

1300 MHz

Memory Clock

800 MHz

Memory

6GB

Memory Size

1024MB

GDDR5

Memory Type

GDDR3

384bit

Memory Bus

256bit

249.6GB/s

Bandwidth

51.20GB/s

Render Config

-

SM Count

24

2688

Shading Units

192

224

TMUs

64

48

ROPs

16

-

16 KB (per SMX)

L1 Cache

-

1536 KB

L2 Cache

128 KB

-

Theoretical Performance

40.99 GPixel/s

Pixel Rate

9.600 GPixel/s

164.0 GTexel/s

Texture Rate

38.40 GTexel/s

-

3.935 TFLOPS

FP32 (float)

462.3 GFLOPS

1312 GFLOPS

FP64 (double)

57.79 GFLOPS

Board Design

235W

TDP

108W

550 W

Suggested PSU

300 W

No outputs

Outputs

1x DVI 2x DisplayPort

1x 6-pin + 1x 8-pin

Power Connectors

1x 6-pin

Graphics Processor

GK110

GPU Name

GT200B

-

GPU Variant

G200-835-B2

Kepler

Architecture

Tesla 2.0

TSMC

Foundry

TSMC

28 nm

Process Size

55 nm

7.08 billion

Transistors

1.4 billion

561 mm²

Die Size

470 mm²

Graphics Features

12 (11_0)

DirectX

11.1 (10_0)

4.6

OpenGL

3.3

3.0

OpenCL

1.1

Vulkan

N/A

3.5

CUDA

1.3

5.1

Shader Model

4.0

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