NVIDIA Tesla P40 vs NVIDIA A800 PCIe 40 GB

VS

AI GPU We compared a Professional market GPU: 24GB VRAM Tesla P40 and a GPU: 40GB VRAM A800 PCIe 40 GB to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA Tesla P40 's Advantages

Boost Clock has increased by 9% (1531MHz vs 1410MHz)

NVIDIA A800 PCIe 40 GB 's Advantages

Released 6 years and 2 months late

More VRAM (40GB vs 24GB)

Larger VRAM bandwidth (1555GB/s vs 347.1GB/s)

3072 additional rendering cores

Score

Benchmark

FP32 (float)

Tesla P40

11.76 TFLOPS

A800 PCIe 40 GB +65%

19.49 TFLOPS

Tesla P40

VS

A800 PCIe 40 GB

Graphics Card

Sep 2016

Release Date

Nov 2022

Tesla Pascal

Generation

Ampere

Professional

Type

AI GPU

PCIe 3.0 x16

Bus Interface

PCIe 4.0 x16

Clock Speeds

1303 MHz

Base Clock

765 MHz

1531 MHz

Boost Clock

1410 MHz

1808 MHz

Memory Clock

1215 MHz

Memory

24GB

Memory Size

40GB

GDDR5

Memory Type

HBM2e

384bit

Memory Bus

5120bit

347.1GB/s

Bandwidth

1555GB/s

Render Config

30

SM Count

108

-

Compute Units

-

3840

Shading Units

6912

240

TMUs

432

96

ROPs

160

-

Tensor Cores

432

-

RT Cores

-

48 KB (per SM)

L1 Cache

192 KB (per SM)

3 MB

L2 Cache

40 MB

Theoretical Performance

147.0 GPixel/s

Pixel Rate

225.6 GPixel/s

367.4 GTexel/s

Texture Rate

609.1 GTexel/s

183.7 GFLOPS

FP16 (half)

77.97 TFLOPS

11.76 TFLOPS

FP32 (float)

19.49 TFLOPS

367.4 GFLOPS

FP64 (double)

9.746 TFLOPS

Graphics Processor

GP102

GPU Name

GA100

-

GPU Variant

-

Pascal

Architecture

Ampere

TSMC

Foundry

TSMC

16 nm

Process Size

7 nm

11.8 billion

Transistors

54.2 billion

471 mm²

Die Size

826 mm²

Board Design

250W

TDP

250W

600 W

Suggested PSU

600 W

No outputs

Outputs

No outputs

8-pin EPS

Power Connectors

8-pin EPS

Graphics Features

12 (12_1)

DirectX

N/A

4.6

OpenGL

N/A

3.0

OpenCL

3.0

1.3

Vulkan

N/A

6.1

CUDA

8.0

6.7

Shader Model

N/A

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