Yes a little. You'd need a Mobo with the correct socket. While a little more expensive it is not a huge difference. It is hard/takes a while to find Mobo's with the exact same specs but different sockets but here is a kind of general comparison of the two processors we were looking at earlier.
PCPartPicker part list / Price breakdown by merchant
| Type | Item | Price |
|---|---|---|
| CPU | Intel Xeon E5-1620 V3 3.5GHz Quad-Core Processor | $276.99 @ SuperBiiz |
| CPU Cooler | Cooler Master Hyper 212 EVO 82.9 CFM Sleeve Bearing CPU Cooler | $24.89 @ OutletPC |
| Motherboard | Gigabyte GA-X99-UD3 ATX LGA2011-3 Motherboard | $173.98 @ Newegg |
| Prices include shipping, taxes, rebates, and discounts | ||
| Total (before mail-in rebates) | $515.86 | |
| Mail-in rebates | -$40.00 | |
| Total | $475.86 | |
| Generated by PCPartPicker 2015-09-02 12:47 EDT-0400 |
PCPartPicker part list / Price breakdown by merchant
| Type | Item | Price |
|---|---|---|
| CPU | Intel Core i7-4790 3.6GHz Quad-Core Processor | $284.99 @ SuperBiiz |
| CPU Cooler | Cooler Master Hyper 212 EVO 82.9 CFM Sleeve Bearing CPU Cooler | $24.89 @ OutletPC |
| Motherboard | MSI Z97-GAMING 5 ATX LGA1150 Motherboard | $135.99 @ SuperBiiz |
| Prices include shipping, taxes, rebates, and discounts | ||
| Total (before mail-in rebates) | $455.87 | |
| Mail-in rebates | -$10.00 | |
| Total | $445.87 | |
| Generated by PCPartPicker 2015-09-02 12:52 EDT-0400 |