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Differences What are the advantages of each

Front view of Intel Core2 Duo E8400

Reasons to consider the
Intel Core2 Duo E8400

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Higher clock speed 3 GHz vs 2.67 GHz More than 10% higher clock speed
Much better overclocked clock speed (Air) 4.22 GHz vs 2.6 GHz More than 60% better overclocked clock speed (Air)
Better PassMark (Single core) score 1,251 vs 1,076 More than 15% better PassMark (Single core) score
Much better overclocked clock speed (Water) 4.23 GHz vs 2.4 GHz More than 75% better overclocked clock speed (Water)
Front view of Intel Core2 Duo E8135

Reasons to consider the
Intel Core2 Duo E8135

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CPUBoss is not aware of any important advantages of the E8135 vs the E8400.

Benchmarks Real world tests of Core2 Duo E8400 vs E8135

CompuBench 1.5 (Bitcoin mining) Data courtesy CompuBench

Core2 Duo E8400
2.41 mHash/s
Core2 Duo E8135
2.07 mHash/s

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

Core2 Duo E8400
128,000 MB/s
Core2 Duo E8135
107,000 MB/s

GeekBench (32-bit) Data courtesy Primate Labs

GeekBench (64-bit) Data courtesy Primate Labs

PassMark Data courtesy Passmark

PassMark (Single Core)

Specifications Full list of technical specs

summary

Core2 Duo E8400  vs
E8135 
Clock speed 3 GHz 2.67 GHz
Cores Dual core Dual core
Socket type
LGA 775
P

features

Has a NX bit Yes Yes
Instruction set extensions
SSE2
MMX
SSE3
SSE
SSE4.1
Supplemental SSE3

bus

Clock speed 1,333 MHz 1,066 MHz

details

Core2 Duo E8400  vs
E8135 
Threads 2 2
L2 cache 6 MB 6 MB
L2 cache per core 3 MB/core 3 MB/core
Manufacture process 45 nm 45 nm
Max CPUs 1 1

overclocking

Overclocked clock speed 4.22 GHz 2.6 GHz
Overclocked clock speed (Water) 4.23 GHz 2.4 GHz
Overclocked clock speed (Air) 4.22 GHz 2.6 GHz

power consumption

Typical power consumption 52.81W N/A
Intel Core2 Duo E8400
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Intel Core2 Duo E8135
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