CPUBoss Review Our evaluation of E3-1225 v3 vs E8400 among all CPUs

Performance

Benchmark performance using all cores

PCMark 8 Home 3.0 Accelerated, PassMark and 1 more

Single-core Performance

Individual core benchmark performance

PassMark (Single Core), Geekbench 3 Single Core and 1 more

Integrated Graphics

Integrated GPU performance for graphics

Sky Diver and Cloud Gate

Integrated Graphics (OpenCL)

Integrated GPU performance for parallel computing

CompuBench 1.5 Bitcoin mining and 4 more

Performance per Watt

How efficiently does the processor use electricity?

Sky Diver, Cloud Gate, CompuBench 1.5 Bitcoin mining and 11 more

Value

Are you paying a premium for performance?

Sky Diver, Cloud Gate, CompuBench 1.5 Bitcoin mining and 11 more

8.2

CPUBoss Score

Combination of all six facets

Winner
Intel Xeon E3-1225 v3 

CPUBoss recommends the Intel Xeon E3-1225 v3  based on its performance, single-core performance and value.

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VS

Differences What are the advantages of each

Front view of Intel Xeon E3-1225 v3

Reasons to consider the
Intel Xeon E3-1225 v3

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Much better performance per dollar 4.72 pt/$ vs 0.01 pt/$ More than 398.5x better performance per dollar
Much newer manufacturing process 22 nm vs 45 nm A newer manufacturing process allows for a more powerful, yet cooler running processor
Much better CompuBench 1.5 bitcoin mining score 11.21 mHash/s vs 2.41 mHash/s Around 4.8x better CompuBench 1.5 bitcoin mining score
Has a built-in GPU Yes vs No Somewhat common; A separate graphics adapter is not required
Much better performance per watt 13.25 pt/W vs 1.83 pt/W Around 7.2x better performance per watt
Higher clock speed 3.2 GHz vs 3 GHz More than 5% higher clock speed
Significantly better PassMark (Single core) score 2,025 vs 1,251 More than 60% better PassMark (Single core) score
Significantly better PassMark score 7,137 vs 2,160 More than 3.2x better PassMark score
Newer Apr, 2013 vs Jan, 2008 Release date over 5 years later
More cores 4 vs 2 Twice as many cores; run more applications at once
More threads 4 vs 2 Twice as many threads
Front view of Intel Core2 Duo E8400

Reasons to consider the
Intel Core2 Duo E8400

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Much more l2 cache 6 MB vs 1 MB 6x more l2 cache; more data can be stored in the l2 cache for quick access later
Much more l2 cache per core 3 MB/core vs 0.25 MB/core 12x more l2 cache per core
Lower typical power consumption 52.81W vs 68.25W Around 25% lower typical power consumption
Better overclocked clock speed (Air) 4.22 GHz vs 3.48 GHz More than 20% better overclocked clock speed (Air)
Significantly better overclocked clock speed (Water) 4.23 GHz vs 3.2 GHz More than 30% better overclocked clock speed (Water)
Lower annual home energy cost 15.66 $/year vs 20.24 $/year Around 25% lower annual home energy cost
Lower annual commercial energy cost 56.94 $/year vs 73.58 $/year Around 25% lower annual commercial energy cost

Benchmarks Real world tests of Xeon E3-1225 v3 vs Core2 Duo E8400

CompuBench 1.5 (Bitcoin mining) Data courtesy CompuBench

Xeon E3-1225 v3
11.21 mHash/s
Core2 Duo E8400
2.41 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

Xeon E3-1225 v3
4,250,000 MB/s
Core2 Duo E8400
128,000 MB/s

GeekBench (32-bit) Data courtesy Primate Labs

GeekBench

PassMark Data courtesy Passmark

PassMark (Single Core)

Specifications Full list of technical specs

summary

Xeon E3-1225 v3  vs
Core2 Duo E8400 
Clock speed 3.2 GHz 3 GHz
Cores Quad core Dual core

features

Has a NX bit Yes Yes
Supports trusted computing Yes Yes
Has virtualization support Yes Yes
Instruction set extensions
SSE2
MMX
SSE4
AVX
SSE3
SSE
SSE4.1
SSE4.2
Supplemental SSE3
AES
AVX 2.0
Supports dynamic frequency scaling Yes Yes

power consumption

TDP 84W 65W
Annual home energy cost 20.24 $/year 15.66 $/year
Annual commercial energy cost 73.58 $/year 56.94 $/year
Performance per watt 13.25 pt/W 1.83 pt/W
Typical power consumption 68.25W 52.81W

details

Xeon E3-1225 v3  vs
Core2 Duo E8400 
Architecture x86-64 x86-64
Threads 4 2
L2 cache 1 MB 6 MB
L2 cache per core 0.25 MB/core 3 MB/core
Manufacture process 22 nm 45 nm
Max CPUs 1 1

overclocking

Overclocked clock speed 3.48 GHz 4.22 GHz
Overclocked clock speed (Water) 3.2 GHz 4.23 GHz
Overclocked clock speed (Air) 3.48 GHz 4.22 GHz

integrated graphics

GPU GPU None
Label Intel® HD Graphics P4600 N/A
Number of displays supported 3 N/A
GPU clock speed 350 MHz N/A
Turbo clock speed 1,200 MHz N/A

bus

Architecture DMI FSB
Number of links 0 1
Intel Xeon E3-1225 v3
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Intel Core2 Duo E8400
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