Magento save Product vs saveAttribute

benchmark.php

<?php
use Magento\Framework\App\Bootstrap;
require __DIR__ . '/app/bootstrap.php';
 
$bootstrap = Bootstrap::create(BP, $_SERVER);
$objectManager = $bootstrap->getObjectManager();
 
$state = $objectManager->get('Magento\Framework\App\State');
$state->setAreaCode('frontend');
 
$product_id = 4;
 
$product = $objectManager->get('Magento\Catalog\Model\Product')->load($product_id);
 
$start = microtime(true);
 
$productResource = $objectManager->create('\Magento\Catalog\Model\ResourceModel\Product');
$product->setName('new product name 1');
$productResource->saveAttribute($product, 'name');
 
echo "Save attribute duration: ".(microtime(true) - $start)." seconds\n";
 
$starttime = microtime(true);
 
$product->setName('new product name 2');
$product->save();
 
echo "Save product duration: ".(microtime(true) - $start)." seconds\n";