NVIDIA Tesla K20c vs NVIDIA Quadro K4000M

VS

NVIDIA Tesla K20c

NVIDIA Quadro K4000M

We compared two Professional market GPUs: 5GB VRAM Tesla K20c and 4GB VRAM Quadro K4000M to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA Tesla K20c 's Advantages

More VRAM (5GB vs 4GB)

Larger VRAM bandwidth (208.0GB/s vs 89.60GB/s)

1536 additional rendering cores

NVIDIA Quadro K4000M 's Advantages

Lower TDP (100W vs 225W)

Score

Benchmark

FP32 (float)

Tesla K20c +205%

3.524 TFLOPS

Quadro K4000M

1.154 TFLOPS

OctaneBench

Tesla K20c +175%

55

Quadro K4000M

20

Tesla K20c

VS

Quadro K4000M

Graphics Card

Nov 2012

Release Date

Jun 2012

Tesla

Generation

Quadro Mobile

Professional

Type

Professional

PCIe 2.0 x16

Bus Interface

MXM-B (3.0)

Clock Speeds

-

1300 MHz

Memory Clock

700 MHz

Memory

5GB

Memory Size

4GB

GDDR5

Memory Type

GDDR5

320bit

Memory Bus

256bit

208.0GB/s

Bandwidth

89.60GB/s

Render Config

-

2496

Shading Units

960

208

TMUs

80

40

ROPs

32

-

16 KB (per SMX)

L1 Cache

16 KB (per SMX)

1280 KB

L2 Cache

512 KB

-

Theoretical Performance

36.71 GPixel/s

Pixel Rate

12.02 GPixel/s

146.8 GTexel/s

Texture Rate

48.08 GTexel/s

-

3.524 TFLOPS

FP32 (float)

1154 GFLOPS

1175 GFLOPS

FP64 (double)

48.08 GFLOPS

Board Design

225W

TDP

100W

550 W

Suggested PSU

-

No outputs

Outputs

No outputs

1x 6-pin + 1x 8-pin

Power Connectors

-

Graphics Processor

GK110

GPU Name

GK104

GK110-885-KA-A1

GPU Variant

N14E-Q3-A2

Kepler

Architecture

Kepler

TSMC

Foundry

TSMC

28 nm

Process Size

28 nm

7.08 billion

Transistors

3.54 billion

561 mm²

Die Size

294 mm²

Graphics Features

12 (11_0)

DirectX

12 (11_0)

4.6

OpenGL

4.6

3.0

OpenCL

3.0

1.1

Vulkan

1.1

3.5

CUDA

3.0

5.1

Shader Model

5.1

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