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Differences What are the advantages of each

Front view of Intel Core i7 975

Reasons to consider the
Intel Core i7 975

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Much newer manufacturing process 45 nm vs 130 nm A newer manufacturing process allows for a more powerful, yet cooler running processor
Much higher clock speed 3.33 GHz vs 1.47 GHz More than 2.2x higher clock speed
Much more l2 cache 1 MB vs 0.25 MB 4x more l2 cache; more data can be stored in the l2 cache for quick access later
More cores 4 vs 1 3 more cores; run more applications at once
More threads 8 vs 1 7 more threads
Much better overclocked clock speed (Air) 4.46 GHz vs 2.11 GHz More than 2x better overclocked clock speed (Air)
Much better PassMark score 6,173 vs 344 Around 18x better PassMark score
Has a NX bit Yes vs No Somewhat common; Prevents a common class of security exploits
Much better overclocked clock speed (Water) 4.45 GHz vs 1.47 GHz More than 3x better overclocked clock speed (Water)
Front view of AMD Athlon XP 1700+

Reasons to consider the
AMD Athlon XP 1700+

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CPUBoss is not aware of any important advantages of the AMD Athlon XP 1700+ vs the Intel Core i7 975.

Benchmarks Real world tests of Core i7 975 vs Athlon XP 1700+

PassMark Data courtesy Passmark

Specifications Full list of technical specs

summary

Core i7 975  vs
Athlon XP 1700+ 
Clock speed 3.33 GHz 1.47 GHz
Cores Quad core Single core
Socket type
LGA 1366
462

features

Has a NX bit Yes No
Instruction set extensions
SSE2
MMX
SSE3
SSE
SSE4.1
SSE4.2
3DNow!
Supplemental SSE3

bus

Clock speed 3,200 MHz 266 MHz

details

Core i7 975  vs
Athlon XP 1700+ 
Threads 8 1
L2 cache 1 MB 0.25 MB
L2 cache per core 0.25 MB/core 0.25 MB/core
Manufacture process 45 nm 130 nm
Max CPUs 1 1

overclocking

Overclocked clock speed 4.46 GHz 2.11 GHz
Overclocked clock speed (Water) 4.45 GHz 1.47 GHz
Overclocked clock speed (Air) 4.46 GHz 2.11 GHz

power consumption

Typical power consumption 212W N/A
Intel Core i7 975
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AMD Athlon XP 1700+
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