NVIDIA Tesla K20c vs NVIDIA Quadro K4000

VS

We compared two Professional market GPUs: 5GB VRAM Tesla K20c and 3GB VRAM Quadro K4000 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 3GB)

Larger VRAM bandwidth (208.0GB/s vs 134.8GB/s)

1728 additional rendering cores

NVIDIA Quadro K4000 's Advantages

Lower TDP (80W vs 225W)

Score

Benchmark

FP32 (float)

Tesla K20c +183%

3.524 TFLOPS

Quadro K4000

1.244 TFLOPS

Tesla K20c

VS

Quadro K4000

Graphics Card

Nov 2012

Release Date

Mar 2013

Tesla

Generation

Quadro

Professional

Type

Professional

PCIe 2.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

Base Clock

-

Boost Clock

-

1300 MHz

Memory Clock

1404 MHz

Memory

5GB

Memory Size

3GB

GDDR5

Memory Type

GDDR5

320bit

Memory Bus

192bit

208.0GB/s

Bandwidth

134.8GB/s

Render Config

-

SM Count

-

Compute Units

-

2496

Shading Units

768

208

TMUs

64

40

ROPs

24

-

Tensor Cores

-

RT Cores

-

16 KB (per SMX)

L1 Cache

16 KB (per SMX)

1280 KB

L2 Cache

384 KB

Theoretical Performance

36.71 GPixel/s

Pixel Rate

12.96 GPixel/s

146.8 GTexel/s

Texture Rate

51.84 GTexel/s

-

FP16 (half)

-

3.524 TFLOPS

FP32 (float)

1244 GFLOPS

1175 GFLOPS

FP64 (double)

51.84 GFLOPS

Graphics Processor

GK110

GPU Name

GK106

GK110-885-KA-A1

GPU Variant

-

Kepler

Architecture

Kepler

TSMC

Foundry

TSMC

28 nm

Process Size

28 nm

7.08 billion

Transistors

2.54 billion

561 mm²

Die Size

221 mm²

Board Design

225W

TDP

80W

550 W

Suggested PSU

250 W

No outputs

Outputs

1x DVI 2x DisplayPort 1.2

1x 6-pin + 1x 8-pin

Power Connectors

1x 6-pin

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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