CPUs

AMD Athlon II X4 620e vs Intel Core i7-3820 Full Specs

4 Cores
4 Threads
2.6GHz
4 Cores
8 Threads
3.6GHz
TDP
45W
TDP
130W
Bandwidth
21.3GB/s
·
Bandwidth
51.2GB/s
DDR3
iGPU
0
iGPU
0
Socket
Socket

Athlon II X4 620eAthlon II X4 620e300
x1
Core i7-3820Core i7-3820643
x2.14

4 Cores
4 Cores
4 Threads
8 Threads

Base Clock
2.6GHz
Base Clock
3.6GHz
Boost Clock
-
Boost Clock
3.8GHz
Overclocking
Locked
Overclocking
Locked

L1i
64KB
L1i
32KB
L1d
64KB
L1d
32KB
L2
512KB
L2
256KB
L3
-
L3
10MB

Type
·
Type
DDR3
Max Memory
32GB
Max Memory
64GB
ECC
No
ECC
No
Channels
2
Channels
4
Bus Width
128-bit
Bus Width
256-bit
Speed
1333MT/s
Speed
1600MT/s
Bandwidth
21.3GB/s
Bandwidth
51.2GB/s
Bandwidth Calculator
Channels
Transfer Rate
Calculated Bandwidth
21.3GB/s
Bandwidth Calculator
Channels
Transfer Rate
Calculated Bandwidth
51.2GB/s

TDP
45W
TDP
130W
T-Case
-
T-Case
66.8°C Max
Voltage Range
-
Voltage Range
-
Included Cooler
-
Included Cooler
0

Bus Type
HT
Bus Type
DMI
Bus Config
16-bit
Bus Config
4 lanes
Bus Speed
4GT/s
Bus Speed
5GT/s
Bus Bandwidth
8GB/s
Bus Bandwidth
2.5GB/s

-
PCIe
PCIe 2.0 x40
20GB/sBandwidth

Manufacturer
Manufacturer
ISA
x86-64
ISA
x86-64
Architecture
Architecture
Family
Family
Branding
Athlon II 2009 branding
Branding
Core i7 2011 branding
Codename
Propus
-
-
Codename
Sandy Bridge-E
Sandy Bridge-EP-4Die
Sandy Bridge-EP-4CVariant
Market Segment
Desktop
Market Segment
Workstation
Release Date
May 3, 2011
Release Date
Feb 1, 2012

Foundry
GlobalFoundries
Foundry
Intel
Fabrication Node
45nm
Fabrication Node
32nm
Die Size
169mm²
Die Size
294mm²
Transistor Count
300 Million
Transistor Count
1.3 Billion
Transistor Density
2 MTr/mm²
Transistor Density
4 MTr/mm²

No images available
No images available