ConcurrentBag VS ConcurrentQueue - producers only

using System;
using System.Collections.Concurrent;
using System.Collections.Generic;
using System.Linq;
using System.Threading.Tasks;
using BenchmarkDotNet.Attributes;
using BenchmarkDotNet.Configs;
using BenchmarkDotNet.Diagnostics.Windows;
using BenchmarkDotNet.Jobs;
using BenchmarkDotNet.Running;

namespace ConsoleApplication27
{
    class Program
    {
        static void Main()
        {
            BenchmarkRunner.Run<Test>(ManualConfig
            .Create(DefaultConfig.Instance)
            .With(new MemoryDiagnoser()));

            Console.WriteLine(Test.MyCount);
        }
    }

    public class Test
    {
        public static int MyCount { get; private set; }

        [Benchmark]
        public Task Bag()
        {
            var bag = new ConcurrentBag<int>();
            return Run(bag, i => bag.Add(i));
        }

        [Benchmark]
        public Task Queue()
        {
            var queue = new ConcurrentQueue<int>();
            return Run(queue, i => queue.Enqueue(i));
        }

        private async Task Run(IEnumerable<int> c, Action<int> add)
        {
            await Task.WhenAll(Enumerable.Range(0, Environment.ProcessorCount).Select(x => Task.Run(() =>
            {
                for (int i = 0; i < 100000; i++)
                {
                    add(i);
                }
            })));

            foreach (var i in c)
            {
                MyCount++;
            }
        }
    }
}