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Differences What are the advantages of each

Front view of Intel Core i7 920

Reasons to consider the
Intel Core i7 920

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CPUBoss is not aware of any important advantages of the Intel Core i7 920 vs the AMD Athlon II X3 445.

Front view of AMD Athlon II X3 445

Reasons to consider the
AMD Athlon II X3 445

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Is unlocked Yes vs No Somewhat common; An unlocked multiplier allows for easier overclocking

Benchmarks Real world tests of Core i7 920 vs Athlon II X3 445

GeekBench 3 (Multi-core) Data courtesy Primate Labs

GeekBench 3 (Single core) Data courtesy Primate Labs

GeekBench 3 (AES single core) Data courtesy Primate Labs

Core i7 920
143,700 MB/s
Athlon II X3 445
125,450 MB/s

GeekBench (32-bit) Data courtesy Primate Labs

GeekBench (64-bit) Data courtesy Primate Labs

GeekBench

PassMark Data courtesy Passmark

PassMark (Single Core)

Specifications Full list of technical specs

summary

Core i7 920  vs
Athlon II X3 445 
Clock speed 2.66 GHz 3.1 GHz
Cores Quad core Tri core
Socket type
LGA 1366
AM3
Is unlocked No Yes

features

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

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

details

Core i7 920  vs
Athlon II X3 445 
Architecture x86-64 x86-64
Threads 8 3
L2 cache 1 MB 2 MB
L2 cache per core 0.25 MB/core 0.67 MB/core
L3 cache 8 MB 0.5 MB
L3 cache per core 2 MB/core 0.17 MB/core
Manufacture process 45 nm 45 nm
Max CPUs 1 1
Voltage range 0.8 - 1.38V 0.85 - 1.4V
Operating temperature Unknown - 67.9°C Unknown - 75°C

overclocking

Overclock popularity 491 22
Overclocked clock speed 4.22 GHz 3.72 GHz
Overclocked clock speed (Water) 4.24 GHz 3.88 GHz
PassMark (Overclocked) 3,419.4 1,953.8
Overclocked clock speed (Air) 4.22 GHz 3.72 GHz

power consumption

TDP 130W 95W
Annual home energy cost 48.38 $/year 22.89 $/year
Annual commercial energy cost 134.55 $/year 83.22 $/year
Performance per watt 1.21 pt/W 1.42 pt/W
Typical power consumption 135.63W 77.19W

bus

Clock speed 2,400 MHz 2,000 MHz
Intel Core i7 920
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AMD Athlon II X3 445
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