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Differences What are the advantages of each

Front view of Intel Xeon E5507

Reasons to consider the
Intel Xeon E5507

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Supports more RAM 147,456 MB vs 32,768 MB Supports 4.5x more RAM
Much better overclocked clock speed (Water) 3.97 GHz vs 3.2 GHz Around 25% better overclocked clock speed (Water)
Supports more CPUs in SMP configuration 2 vs 1 Twice as many CPUs in SMP configuration
Front view of Intel Xeon E3-1225 v3

Reasons to consider the
Intel Xeon E3-1225 v3

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Much higher clock speed 3.2 GHz vs 2.26 GHz More than 40% higher clock speed
Much better PassMark score 7,137 vs 3,147 More than 2.2x better PassMark score
Much better PassMark (Single core) score 2,025 vs 954 More than 2x better PassMark (Single core) score
Much more l3 cache 8 MB vs 4 MB 2x more l3 cache; more data can be stored in the l3 cache for quick access later
Much better performance per watt 13.25 pt/W vs 1.64 pt/W More than 8x better performance per watt
Much better performance per dollar 4.72 pt/$ vs 0.47 pt/$ More than 10x better performance per dollar
Has a built-in GPU Yes vs No Somewhat common; A separate graphics adapter is not required
Supports trusted computing Yes vs No Somewhat common; Allows for safer, more reliable computing
Newer manufacturing process 22 nm vs 45 nm A newer manufacturing process allows for a more powerful, yet cooler running processor
Much more l3 cache per core 2 MB/core vs 1 MB/core 2x more l3 cache per core
Better overclocked clock speed (Air) 3.48 GHz vs 3.3 GHz More than 5% better overclocked clock speed (Air)
Newer Apr, 2013 vs Mar, 2010 Release date over 3 years later

Benchmarks Real world tests of Xeon E5507 vs E3-1225 v3

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 E5507
97,000 MB/s
Xeon E3-1225 v3
4,250,000 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 E5507  vs
E3-1225 v3 
Clock speed 2.26 GHz 3.2 GHz
Cores Quad core Quad core

features

Has a NX bit Yes Yes
Supports trusted computing No 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 80W 84W
Annual home energy cost 19.27 $/year 20.24 $/year
Annual commercial energy cost 70.08 $/year 73.58 $/year
Performance per watt 1.64 pt/W 13.25 pt/W
Typical power consumption 65W 68.25W

bus

Architecture QPI DMI
Number of links 2 0
Transfer rate 4,800 MT/s 5,000 MT/s

details

Xeon E5507  vs
E3-1225 v3 
Architecture x86-64 x86-64
Threads 4 4
L2 cache 1 MB 1 MB
L2 cache per core 0.25 MB/core 0.25 MB/core
L3 cache 4 MB 8 MB
L3 cache per core 1 MB/core 2 MB/core
Manufacture process 45 nm 22 nm
Max CPUs 2 1

overclocking

Overclocked clock speed 3.3 GHz 3.48 GHz
Overclocked clock speed (Water) 3.97 GHz 3.2 GHz
Overclocked clock speed (Air) 3.3 GHz 3.48 GHz

integrated graphics

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

memory controller

Memory controller Built-in Built-in
Memory type
DDR3-1600
DDR3-1333
DDR3-800
DDR3
Channels Triple Channel Dual Channel
Supports ECC Yes Yes
Maximum bandwidth 19,200 MB/s 25,600 MB/s
Maximum memory size 147,456 MB 32,768 MB
Intel Xeon E5507
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Intel Xeon E3-1225 v3
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