Best Gaming CPU for £55:

Athlon II X4 640

Athlon II X4 640
Codename:Propus
Process:45 nm
CPU Cores/Threads:4
Clock Speed (Max. Turbo):3.0 GHz
Socket:AM3/AM3+
L1 Cache:4 x 128 KB
L2 Cache:4 x 512 KB
Thermal Envelope:
95 W



Best Gaming CPU for £85:

Phenom II X4 965 Black Edition

Phenom II X4 965 Black Edition
Codename:Deneb
Process:45 nm
CPU Cores/Threads:4
Clock Speed (Max. Turbo):3.4 GHz
Socket:AM3/AM3+
L1 Cache:4 x 128 KB
L2 Cache:4 x 512 KB
L3 Cache:
6 MB
Thermal Envelope:
125 W



Best Gaming CPU for £95: Tie


FX-4300

FX-4300
Codename:Vishera
Process:32 nm
CPU Cores/Threads:2/4
Clock Speed (Max. Turbo):3.8 GHz (4.0 GHz)
Socket:AM3+
L2 Cache:  2 x 2 MB
L3 Cache:8 MB
Thermal Envelope:
95 W



Best Gaming CPU for £95:

Core i3-3220 

Core i3-3220
Codename:Ivy Bridge
Process:22 nm
CPU Cores/Threads:2/4
Clock Speed (Max. Turbo):3.3 GHz
Socket:LGA 1155
L2 Cache:  2x 256 KB
L3 Cache:3 MB
Thermal Envelope:
55 W



Best Gaming CPU for £140:
Core i5-3350P

Core i5-3350P
Codename:Ivy Bridge
Process:22 nm
CPU Cores/Threads:4
Clock Speed (Max. Turbo):3.1 GHz (3.3 GHz)
Socket:LGA 1155
L2 Cache:  4 x 256 KB
L3 Cache:6 MB
Thermal Envelope:
69 W



Best Gaming CPU for £190:

Core i5-3570K

Core i5-3570K
Codename:Ivy Bridge
Process:22 nm
CPU Cores/Threads:4
Clock Speed (Max. Turbo):3.4 GHz (3.8 GHz)
Socket:LGA 1155
L2 Cache:4 x 256 KB
L3 Cache:6 MB
Thermal Envelope:
77 W




Best Gaming CPU for £270: None

Honourable Mention:

Core i7-3770K
Codename:Ivy Bridge
Process:22 nm
CPU Cores/Threads:4/8
Clock Speed (Max. Turbo):3.5 GHz (3.9 GHz)
Socket:LGA 1155
L2 Cache:  4x 256 KB
L3 Cache:8 MB
Thermal Envelope:
95 W




Best Gaming CPU for £460: (or for any price)

Core i7-3930K
Codename:Sandy Bridge-E
Process:32 nm
CPU Cores/Threads:6/12
Clock Speed (Max. Turbo):3.2 GHz (3.8 GHz)
Socket:LGA 2011
L2 Cache:  6x 256 KB
L3 Cache:12 MB
Thermal Envelope:
130 W



Gaming CPU  Chart






http://www.tomshardware.co.uk/gaming-cpu-review-overclock,review-32653.html