What processors does Microsoft Surface Pro 3 have?

Microsoft Surface Pro 3 has the following CPU configurations available:

4th Generation Intel® Haswell Processors (22nm)

• Intel® Core™ i3-4020Y
  2 cores, 4 threads, 3MB SmartCache, 1.50 GHz, 11.5W
  Intel® HD Graphics 4200 (200 – 850 MHz)
• Intel® Core™ i5-4300U
  2 cores, 4 threads, 3MB SmartCache, 1.90 GHz up to 2.90 GHz, 15W
  Intel® HD Graphics 4400 (200 – 1100 MHz)
• Intel® Core™ i7-4650U
  2 cores, 4 threads, 4MB SmartCache, 1.70 GHz up to 3.30 GHz, 15W
  Intel® HD Graphics 5000 (300 – 1100 MHz)

Credit: iFixIt