NVIDIA Tesla K20c vs NVIDIA Tesla P6

VS

NVIDIA Tesla K20c NVIDIA Tesla P6

We compared two Professional market GPUs: 5GB VRAM Tesla K20c and 16GB VRAM Tesla P6 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA Tesla K20c 's Advantages

Larger VRAM bandwidth (208.0GB/s vs 192.3GB/s)

448 additional rendering cores

NVIDIA Tesla P6 's Advantages

Released 4 years and 4 months late

Boost Clock1506MHz

More VRAM (16GB vs 5GB)

Lower TDP (90W vs 225W)

Score

Benchmark

FP32 (float)

Tesla K20c

3.524 TFLOPS

Tesla P6 +75%

6.169 TFLOPS

OctaneBench

Tesla K20c

55

Tesla P6 +72%

95

Tesla K20c

VS

Tesla P6

Graphics Card

Nov 2012

Release Date

Mar 2017

Tesla

Generation

Tesla

Professional

Type

Professional

PCIe 2.0 x16

Bus Interface

MXM-B (3.0)

Clock Speeds

-

Base Clock

1012 MHz

-

Boost Clock

1506 MHz

1300 MHz

Memory Clock

1502 MHz

Memory

5GB

Memory Size

16GB

GDDR5

Memory Type

GDDR5

320bit

Memory Bus

256bit

208.0GB/s

Bandwidth

192.3GB/s

Render Config

-

SM Count

16

-

Compute Units

-

2496

Shading Units

2048

208

TMUs

128

40

ROPs

64

-

Tensor Cores

-

RT Cores

-

16 KB (per SMX)

L1 Cache

48 KB (per SM)

1280 KB

L2 Cache

2 MB

Theoretical Performance

36.71 GPixel/s

Pixel Rate

96.38 GPixel/s

146.8 GTexel/s

Texture Rate

192.8 GTexel/s

-

FP16 (half)

96.38 GFLOPS

3.524 TFLOPS

FP32 (float)

6.169 TFLOPS

1175 GFLOPS

FP64 (double)

192.8 GFLOPS

Graphics Processor

GK110

GPU Name

GP104

GK110-885-KA-A1

GPU Variant

GP104-995-A1

Kepler

Architecture

Pascal

TSMC

Foundry

TSMC

28 nm

Process Size

16 nm

7.08 billion

Transistors

7.2 billion

561 mm²

Die Size

314 mm²

Board Design

225W

TDP

90W

550 W

Suggested PSU

250 W

No outputs

Outputs

No outputs

1x 6-pin + 1x 8-pin

Power Connectors

None

Graphics Features

12 (11_0)

DirectX

12 (12_1)

4.6

OpenGL

4.6

3.0

OpenCL

3.0

1.1

Vulkan

1.3

3.5

CUDA

6.1

5.1

Shader Model

6.4

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