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Differences What are the advantages of each

Front view of Intel Core i7 3820

Reasons to consider the
Intel Core i7 3820

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CPUBoss is not aware of any important advantages of the Intel Core i7 3820 vs the AMD Phenom II X2 Black 570.

Front view of AMD Phenom II X2 Black 570

Reasons to consider the
AMD Phenom II X2 Black 570

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CPUBoss is not aware of any important advantages of the AMD Phenom II X2 Black 570 vs the Intel Core i7 3820.

Benchmarks Real world tests of Core i7 3820 vs Phenom II X2 Black 570

PassMark Data courtesy Passmark

PassMark (Single Core)

Specifications Full list of technical specs

summary

Core i7 3820  vs
Phenom II X2 Black 570 
Clock speed 3.6 GHz 3.5 GHz
Turbo clock speed 3.8 GHz 0 GHz
Cores Quad core Dual core
Socket type
LGA 2011
AM3
Is unlocked Yes Yes

features

Has a NX bit Yes Yes
Has virtualization support Yes Yes
Instruction set extensions
SSE4a
SSE2
MMX
SSE4
AVX
SSE3
SSE
SSE4.1
SSE4.2
3DNow!
Supplemental SSE3
AES
Supports dynamic frequency scaling Yes Yes

power consumption

TDP 130W 80W
Annual home energy cost 49.49 $/year 19.27 $/year
Annual commercial energy cost 138.93 $/year 70.08 $/year
Performance per watt 6.18 pt/W 1.35 pt/W
Typical power consumption 139.6W 65W

details

Core i7 3820  vs
Phenom II X2 Black 570 
Architecture x86-64 x86-64
Threads 8 2
L2 cache 1 MB 0 MB
L2 cache per core 0.25 MB/core 0 MB/core
L3 cache 10 MB 6 MB
L3 cache per core 2.5 MB/core 3 MB/core
Manufacture process 32 nm 45 nm
Max CPUs 1 1

overclocking

Overclocked clock speed 4.68 GHz 4.27 GHz
Overclocked clock speed (Water) 4.71 GHz 3.5 GHz
Overclocked clock speed (Air) 4.68 GHz 4.27 GHz

integrated graphics

GPU None None
Label N/A N/A
Latest DirectX N/A N/A
Number of displays supported N/A N/A
GPU clock speed N/A N/A
Turbo clock speed N/A N/A
3DMark06 N/A N/A

memory controller

Memory controller Built-in Built-in
Memory type
DDR3-1600
DDR3-1333
DDR3-1066
DDR3
Intel Core i7 3820
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AMD Phenom II X2 Black 570
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