SpriteBatch VS PolygonSpriteBatch drawing quads benchmark

BatchBenmark.java

package com.mygdx;

import com.badlogic.gdx.ApplicationAdapter;
import com.badlogic.gdx.Gdx;
import com.badlogic.gdx.backends.lwjgl.LwjglApplication;
import com.badlogic.gdx.backends.lwjgl.LwjglApplicationConfiguration;
import com.badlogic.gdx.graphics.FPSLogger;
import com.badlogic.gdx.graphics.Pixmap;
import com.badlogic.gdx.graphics.Pixmap.Format;
import com.badlogic.gdx.graphics.Texture;
import com.badlogic.gdx.graphics.g2d.Batch;
import com.badlogic.gdx.graphics.g2d.PolygonSpriteBatch;
import com.badlogic.gdx.graphics.g2d.SpriteBatch;
import com.badlogic.gdx.graphics.g2d.TextureRegion;
import com.badlogic.gdx.graphics.profiling.GLProfiler;

public class BatchBenchmark extends ApplicationAdapter
{
	
	public static void main (String[] arg) {
		LwjglApplicationConfiguration config = new LwjglApplicationConfiguration();
		config.vSyncEnabled = false;
		config.foregroundFPS = 0;
		new LwjglApplication(new BatchBenchmark(), config);
	}
	
	private static final boolean BENCHMARK_POLY = true;
	
	private FPSLogger fps = new FPSLogger();
	private Batch batch;
	private TextureRegion region;
	private GLProfiler profiler;
	private float time;
	private int drawCalls;
	private int frames;
	
	@Override
	public void create() {
		profiler = new GLProfiler(Gdx.graphics);
		profiler.enable();
		if(BENCHMARK_POLY){
			batch = new PolygonSpriteBatch(32767);
		}else{
			batch = new SpriteBatch(8191);
		}
		Texture texture = new Texture(new Pixmap(32, 32, Format.RGBA8888));
		region = new TextureRegion(texture);
	}
	
	@Override
	public void render() {
		final int N = 8191 * 10;
		batch.begin();
		for(int i=0 ; i<N ; i++){
			batch.draw(region, 0, 0);
		}
		batch.end();
		fps.log();
		float delta = Gdx.graphics.getDeltaTime();
		time += delta;
		if(time > 1){
			System.out.println(drawCalls + " / " + frames);
			time = 0;
			drawCalls = 0;
			frames = 0;
		}
		drawCalls += profiler.getDrawCalls();
		frames++;
		profiler.reset();
	}

}