NVIDIA Tesla K40d vs NVIDIA GRID A100A

VS

We compared two Professional market GPUs: 12GB VRAM Tesla K40d and 48GB VRAM GRID A100A to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA Tesla K40d 's Advantages

Lower TDP (245W vs 400W)

NVIDIA GRID A100A 's Advantages

Released 6 years and 6 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

Score

Benchmark

FP32 (float)

Tesla K40d

5.046 TFLOPS

GRID A100A +175%

13.89 TFLOPS

Tesla K40d

VS

GRID A100A

Graphics Card

Nov 2013

Release Date

May 2020

Tesla

Generation

GRID

Professional

Type

Professional

PCIe 3.0 x16

Bus Interface

PCIe 4.0 x16

Clock Speeds

745 MHz

Base Clock

900 MHz

876 MHz

Boost Clock

1005 MHz

1502 MHz

Memory Clock

1215 MHz

Memory

12GB

Memory Size

48GB

GDDR5

Memory Type

HBM2e

384bit

Memory Bus

6144bit

288.4GB/s

Bandwidth

1866GB/s

Render Config

-

SM Count

108

-

Compute Units

-

2880

Shading Units

6912

240

TMUs

432

48

ROPs

192

-

Tensor Cores

432

-

RT Cores

-

16 KB (per SMX)

L1 Cache

192 KB (per SM)

1536 KB

L2 Cache

48 MB

Theoretical Performance

52.56 GPixel/s

Pixel Rate

193.0 GPixel/s

210.2 GTexel/s

Texture Rate

434.2 GTexel/s

-

FP16 (half)

55.57 TFLOPS

5.046 TFLOPS

FP32 (float)

13.89 TFLOPS

1.682 TFLOPS

FP64 (double)

6.947 TFLOPS

Graphics Processor

GK110B

GPU Name

GA100

-

GPU Variant

-

Kepler

Architecture

Ampere

TSMC

Foundry

TSMC

28 nm

Process Size

7 nm

7.08 billion

Transistors

54.2 billion

561 mm²

Die Size

826 mm²

Board Design

245W

TDP

400W

550 W

Suggested PSU

800 W

No outputs

Outputs

No outputs

-

Power Connectors

None

Graphics Features

12 (11_1)

DirectX

N/A

4.6

OpenGL

N/A

3.0

OpenCL

3.0

1.1

Vulkan

N/A

3.5

CUDA

8.0

5.1

Shader Model

N/A

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