NVIDIA Tesla P40 vs NVIDIA RTX A4000 Mobile

VS

NVIDIA Tesla P40

NVIDIA RTX A4000 Mobile

We compared two Professional market GPUs: 24GB VRAM Tesla P40 and 8GB VRAM RTX A4000 Mobile to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA Tesla P40 's Advantages

More VRAM (24GB vs 8GB)

NVIDIA RTX A4000 Mobile 's Advantages

Released 4 years and 7 months late

Boost Clock has increased by 10% (1680MHz vs 1531MHz)

Larger VRAM bandwidth (384.0GB/s vs 347.1GB/s)

1280 additional rendering cores

Lower TDP (115W vs 250W)

Score

Benchmark

FP32 (float)

Tesla P40

11.76 TFLOPS

RTX A4000 Mobile +46%

17.2 TFLOPS

Blender

Tesla P40

788

RTX A4000 Mobile +258%

2825

OctaneBench

Tesla P40

166

RTX A4000 Mobile +80%

300

Tesla P40

VS

RTX A4000 Mobile

Graphics Card

Sep 2016

Release Date

Apr 2021

Tesla Pascal

Generation

Quadro Ampere-M

Professional

Type

Professional

PCIe 3.0 x16

Bus Interface

PCIe 4.0 x16

Clock Speeds

1303 MHz

Base Clock

1140 MHz

1531 MHz

Boost Clock

1680 MHz

1808 MHz

Memory Clock

1500 MHz

Memory

24GB

Memory Size

8GB

GDDR5

Memory Type

GDDR6

384bit

Memory Bus

256bit

347.1GB/s

Bandwidth

384.0GB/s

Render Config

-

30

SM Count

40

3840

Shading Units

5120

240

TMUs

160

96

ROPs

80

-

Tensor Cores

160

-

RT Cores

40

48 KB (per SM)

L1 Cache

128 KB (per SM)

3 MB

L2 Cache

4 MB

-

Theoretical Performance

147.0 GPixel/s

Pixel Rate

134.4 GPixel/s

367.4 GTexel/s

Texture Rate

268.8 GTexel/s

183.7 GFLOPS

FP16 (half)

17.20 TFLOPS

11.76 TFLOPS

FP32 (float)

17.20 TFLOPS

367.4 GFLOPS

FP64 (double)

268.8 GFLOPS

Board Design

250W

TDP

115W

600 W

Suggested PSU

-

No outputs

Outputs

Portable Device Dependent

8-pin EPS

Power Connectors

None

Graphics Processor

GP102

GPU Name

GA104

-

Pascal

Architecture

Ampere

TSMC

Foundry

Samsung

16 nm

Process Size

8 nm

11.8 billion

Transistors

17.4 billion

471 mm²

Die Size

392 mm²

Graphics Features

12 (12_1)

DirectX

12 Ultimate (12_2)

4.6

OpenGL

4.6

3.0

OpenCL

3.0

1.3

Vulkan

1.3

6.1

CUDA

8.6

6.7

Shader Model

6.7

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