NVIDIA GRID A100B vs NVIDIA Tesla K40c

VS

NVIDIA GRID A100B

NVIDIA Tesla K40c

We compared two Professional market GPUs: 48GB VRAM GRID A100B and 12GB VRAM Tesla K40c to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GRID A100B 's Advantages

Released 6 years and 7 months late

Boost Clock has increased by 15% (1005MHz vs 876MHz)

More VRAM (48GB vs 12GB)

Larger VRAM bandwidth (1866GB/s vs 288.4GB/s)

4032 additional rendering cores

NVIDIA Tesla K40c 's Advantages

Lower TDP (245W vs 400W)

Score

Benchmark

FP32 (float)

GRID A100B +175%

13.89 TFLOPS

Tesla K40c

5.046 TFLOPS

GRID A100B

VS

Tesla K40c

Graphics Card

May 2020

Release Date

Oct 2013

GRID

Generation

Tesla

Professional

Type

Professional

PCIe 4.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

900 MHz

Base Clock

745 MHz

1005 MHz

Boost Clock

876 MHz

1215 MHz

Memory Clock

1502 MHz

Memory

48GB

Memory Size

12GB

HBM2e

Memory Type

GDDR5

6144bit

Memory Bus

384bit

1866GB/s

Bandwidth

288.4GB/s

Render Config

-

108

SM Count

-

6912

Shading Units

2880

432

TMUs

240

192

ROPs

48

432

Tensor Cores

-

192 KB (per SM)

L1 Cache

16 KB (per SMX)

48 MB

L2 Cache

1536 KB

-

Theoretical Performance

193.0 GPixel/s

Pixel Rate

52.56 GPixel/s

434.2 GTexel/s

Texture Rate

210.2 GTexel/s

55.57 TFLOPS

FP16 (half)

-

13.89 TFLOPS

FP32 (float)

5.046 TFLOPS

6.947 TFLOPS

FP64 (double)

1.682 TFLOPS

Board Design

400W

TDP

245W

800 W

Suggested PSU

550 W

No outputs

Outputs

No outputs

None

Power Connectors

1x 6-pin + 1x 8-pin

Graphics Processor

GA100

GPU Name

GK180

-

GPU Variant

GK180-890-A1

Ampere

Architecture

Kepler

TSMC

Foundry

TSMC

7 nm

Process Size

28 nm

54.2 billion

Transistors

7.08 billion

826 mm²

Die Size

561 mm²

Graphics Features

N/A

DirectX

12 (11_0)

N/A

OpenGL

4.6

3.0

OpenCL

3.0

N/A

Vulkan

1.1

8.0

CUDA

3.5

N/A

Shader Model

5.1

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