NVIDIA Quadro CX vs NVIDIA Tesla K20c

VS

NVIDIA Quadro CX

NVIDIA Tesla K20c

We compared two Professional market GPUs: 1536MB VRAM Quadro CX and 5GB VRAM Tesla K20c to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA Quadro CX 's Advantages

Lower TDP (150W vs 225W)

NVIDIA Tesla K20c 's Advantages

Released 4 years late

More VRAM (5GB vs 1536GB)

Larger VRAM bandwidth (208.0GB/s vs 76.80GB/s)

2304 additional rendering cores

Score

Benchmark

FP32 (float)

Quadro CX

0.462 TFLOPS

Tesla K20c +662%

3.524 TFLOPS

Quadro CX

VS

Tesla K20c

Graphics Card

Nov 2008

Release Date

Nov 2012

Quadro CX

Generation

Tesla

Professional

Type

Professional

PCIe 2.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

800 MHz

Memory Clock

1300 MHz

Memory

1536MB

Memory Size

5GB

GDDR3

Memory Type

GDDR5

384bit

Memory Bus

320bit

76.80GB/s

Bandwidth

208.0GB/s

Render Config

-

24

SM Count

-

192

Shading Units

2496

64

TMUs

208

24

ROPs

40

-

L1 Cache

16 KB (per SMX)

192 KB

L2 Cache

1280 KB

-

Theoretical Performance

14.45 GPixel/s

Pixel Rate

36.71 GPixel/s

38.53 GTexel/s

Texture Rate

146.8 GTexel/s

-

462.3 GFLOPS

FP32 (float)

3.524 TFLOPS

57.79 GFLOPS

FP64 (double)

1175 GFLOPS

Board Design

150W

TDP

225W

450 W

Suggested PSU

550 W

1x DVI 2x DisplayPort 1x S-Video

Outputs

No outputs

1x 6-pin

Power Connectors

1x 6-pin + 1x 8-pin

Graphics Processor

GT200B

GPU Name

GK110

-

GPU Variant

GK110-885-KA-A1

Tesla 2.0

Architecture

Kepler

TSMC

Foundry

TSMC

55 nm

Process Size

28 nm

1.4 billion

Transistors

7.08 billion

470 mm²

Die Size

561 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

3.5

4.0

Shader Model

5.1

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