NVIDIA Tesla K20X vs NVIDIA Tesla V100S PCIe 32 GB

VS

NVIDIA Tesla K20X

NVIDIA Tesla V100S PCIe 32 GB

We compared two Professional market GPUs: 6GB VRAM Tesla K20X and 32GB VRAM Tesla V100S PCIe 32 GB to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA Tesla K20X 's Advantages

Lower TDP (235W vs 250W)

NVIDIA Tesla V100S PCIe 32 GB 's Advantages

Released 7 years late

Boost Clock1597MHz

More VRAM (32GB vs 6GB)

Larger VRAM bandwidth (1133GB/s vs 249.6GB/s)

2432 additional rendering cores

Score

Benchmark

FP32 (float)

Tesla K20X

3.935 TFLOPS

Tesla V100S PCIe 32 GB +315%

16.35 TFLOPS

Tesla K20X

VS

Tesla V100S PCIe 32 GB

Graphics Card

Nov 2012

Release Date

Nov 2019

Tesla

Generation

Tesla

Professional

Type

Professional

PCIe 3.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

-

Base Clock

1245 MHz

-

Boost Clock

1597 MHz

1300 MHz

Memory Clock

1106 MHz

Memory

6GB

Memory Size

32GB

GDDR5

Memory Type

HBM2

384bit

Memory Bus

4096bit

249.6GB/s

Bandwidth

1133GB/s

Render Config

-

SM Count

80

2688

Shading Units

5120

224

TMUs

320

48

ROPs

128

-

Tensor Cores

640

-

16 KB (per SMX)

L1 Cache

128 KB (per SM)

1536 KB

L2 Cache

6 MB

-

Theoretical Performance

40.99 GPixel/s

Pixel Rate

204.4 GPixel/s

164.0 GTexel/s

Texture Rate

511.0 GTexel/s

-

FP16 (half)

32.71 TFLOPS

3.935 TFLOPS

FP32 (float)

16.35 TFLOPS

1312 GFLOPS

FP64 (double)

8.177 TFLOPS

Board Design

235W

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

-

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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