NVIDIA Tesla K20c vs NVIDIA Tesla V100 PCIe 32 GB

VS

NVIDIA Tesla K20c

NVIDIA Tesla V100 PCIe 32 GB

We compared two Professional market GPUs: 5GB VRAM Tesla K20c and 32GB VRAM Tesla V100 PCIe 32 GB to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA Tesla K20c 's Advantages

Lower TDP (225W vs 250W)

NVIDIA Tesla V100 PCIe 32 GB 's Advantages

Released 5 years and 4 months late

Boost Clock1380MHz

More VRAM (32GB vs 5GB)

Larger VRAM bandwidth (897.0GB/s vs 208.0GB/s)

2624 additional rendering cores

Score

Benchmark

FP32 (float)

Tesla K20c

3.524 TFLOPS

Tesla V100 PCIe 32 GB +300%

14.13 TFLOPS

OctaneBench

Tesla K20c

55

Tesla V100 PCIe 32 GB +492%

326

Tesla K20c

VS

Tesla V100 PCIe 32 GB

Graphics Card

Nov 2012

Release Date

Mar 2018

Tesla

Generation

Tesla

Professional

Type

Professional

PCIe 2.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

-

Base Clock

1230 MHz

-

Boost Clock

1380 MHz

1300 MHz

Memory Clock

876 MHz

Memory

5GB

Memory Size

32GB

GDDR5

Memory Type

HBM2

320bit

Memory Bus

4096bit

208.0GB/s

Bandwidth

897.0GB/s

Render Config

-

SM Count

80

2496

Shading Units

5120

208

TMUs

320

40

ROPs

128

-

Tensor Cores

640

-

16 KB (per SMX)

L1 Cache

128 KB (per SM)

1280 KB

L2 Cache

6 MB

-

Theoretical Performance

36.71 GPixel/s

Pixel Rate

176.6 GPixel/s

146.8 GTexel/s

Texture Rate

441.6 GTexel/s

-

FP16 (half)

28.26 TFLOPS

3.524 TFLOPS

FP32 (float)

14.13 TFLOPS

1175 GFLOPS

FP64 (double)

7.066 TFLOPS

Board Design

225W

TDP

250W

550 W

Suggested PSU

600 W

No outputs

Outputs

No outputs

1x 6-pin + 1x 8-pin

Power Connectors

2x 8-pin

Graphics Processor

GK110

GPU Name

GV100

GK110-885-KA-A1

GPU Variant

-

Kepler

Architecture

Volta

TSMC

Foundry

TSMC

28 nm

Process Size

12 nm

7.08 billion

Transistors

21.1 billion

561 mm²

Die Size

815 mm²

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

7.0

5.1

Shader Model

6.6

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