CPUs

AMD Athlon II X4 620 vs AMD Athlon II X4 640 Full Specs

4 Cores
4 Threads
2.6GHz
4 Cores
4 Threads
3GHz
TDP
95W
TDP
95W
Bandwidth
21.3GB/s
·
Bandwidth
21.3GB/s
·
Socket
Socket

4 Cores
4 Cores
4 Threads
4 Threads

Base Clock
2.6GHz
Base Clock
3GHz
Overclocking
Locked
Overclocking
Locked

L1i
64KB
L1i
64KB
L1d
64KB
L1d
64KB
L2
512KB
L2
512KB

Type
·
Type
·
Max Memory
32GB
Max Memory
32GB
ECC
No
ECC
No
Channels
2
Channels
2
Bus Width
128-bit
Bus Width
128-bit
Speed
1333MT/s
Speed
1333MT/s
Bandwidth
21.3GB/s
Bandwidth
21.3GB/s
Bandwidth Calculator
Channels
Transfer Rate
··
21.3GB/s
Bandwidth Calculator
Channels
Transfer Rate
··
21.3GB/s

TDP
95W
TDP
95W
Voltage Range
-
Voltage Range
-

Bus Type
HT
Bus Type
HT
Bus Config
16-bit
Bus Config
16-bit
Bus Speed
4GT/s
Bus Speed
4GT/s
Bus Bandwidth
8GB/s
Bus Bandwidth
8GB/s

Manufacturer
Manufacturer
ISA
x86-64
ISA
x86-64
Architecture
Architecture
Family
Family
Branding
Athlon II 2009 branding
Branding
Athlon II 2009 branding
Codename
Propus
Codename
Propus
Market Segment
Desktop
Market Segment
Desktop
Release Date
Sep 16, 2009
Release Date
May 11, 2010

Foundry
GlobalFoundries
Foundry
GlobalFoundries
Fabrication Node
45nm
Fabrication Node
45nm
Die Size
169mm²
Die Size
169mm²
Transistor Count
300 Million
Transistor Count
300 Million
Transistor Density
2 MTr/mm²
Transistor Density
2 MTr/mm²