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Intel Xeon E5-1660

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Front view of Intel Xeon E5-1660

Differences What are the advantages of each

Front view of Intel Xeon E5-1660

Reasons to consider the
Intel Xeon E5-1660

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Significantly more l2 cache 2 MB vs 1 MB 2x more l2 cache; more data can be stored in the l2 cache for quick access later
More l3 cache 15 MB vs 8 MB Around 90% more l3 cache; more data can be stored in the l3 cache for quick access later
Much better PassMark score 16,462 vs 8,219 More than 2x better PassMark score
More cores 6 vs 4 2 more cores; run more applications at once
Significantly better overclocked clock speed (Air) 4.79 GHz vs 3.93 GHz More than 20% better overclocked clock speed (Air)
More threads 12 vs 8 4 more threads
Lower typical power consumption 105.63W vs 114.5W Around 10% lower typical power consumption
More l3 cache per core 2.5 MB/core vs 2 MB/core 25% more l3 cache per core
Better performance per watt 8.67 pt/W vs 6.48 pt/W Around 35% better performance per watt
Supports more RAM 262,144 MB vs 32,768 MB Supports 8x more RAM
Better PassMark (Single core) score 2,082 vs 1,921 Around 10% better PassMark (Single core) score
Much lower annual home energy cost 31.32 $/year vs 41.87 $/year More than 25% lower annual home energy cost
More l2 cache per core 0.33 MB/core vs 0.25 MB/core Around 35% more l2 cache per core
Newer Mar, 2012 vs Jan, 2011 Release date over 1 years later
Significantly better overclocked clock speed (Water) 4.8 GHz vs 3.92 GHz More than 20% better overclocked clock speed (Water)
Front view of Intel Core i7 2600

Reasons to consider the
Intel Core i7 2600

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Has a built-in GPU Yes vs No Somewhat common; A separate graphics adapter is not required
Much better performance per dollar 2.72 pt/$ vs 1.02 pt/$ Around 2.8x better performance per dollar
Higher Maximum operating temperature 72.6 °C vs 64 °C Around 15% higher Maximum operating temperature

Benchmarks Real world tests of Xeon E5-1660 vs Core i7 2600

GeekBench 3 (Multi-core) Data courtesy Primate Labs

Xeon E5-1660
18,215
Core i7 2600
10,986

GeekBench 3 (Single core) Data courtesy Primate Labs

GeekBench 3 (AES single core) Data courtesy Primate Labs

Xeon E5-1660
2,340,000 MB/s
Core i7 2600
2,470,000 MB/s

GeekBench (32-bit) Data courtesy Primate Labs

Xeon E5-1660
18,846
Core i7 2600
11,071

GeekBench (64-bit) Data courtesy Primate Labs

Xeon E5-1660
24,702
Core i7 2600
11,820

GeekBench

Xeon E5-1660
24,702
Core i7 2600
14,233

PassMark Data courtesy Passmark

Xeon E5-1660
16,462
Core i7 2600
8,219

PassMark (Single Core)

Specifications Full list of technical specs

summary

Xeon E5-1660  vs
Core i7 2600 
Clock speed 3.3 GHz 3.4 GHz
Turbo clock speed 3.9 GHz 3.8 GHz
Cores Hexa core Quad core
Socket type
LGA 2011
LGA 1155

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
Supports dynamic frequency scaling Yes Yes

power consumption

TDP 130W 95W
Annual home energy cost 31.32 $/year 41.87 $/year
Annual commercial energy cost 113.88 $/year 112.13 $/year
Performance per watt 8.67 pt/W 6.48 pt/W
Typical power consumption 105.63W 114.5W

bus

Architecture QPI DMI
Number of links 0 1
Transfer rate 0 MT/s 5,000 MT/s

details

Xeon E5-1660  vs
Core i7 2600 
Architecture x86-64 x86-64
Threads 12 8
L2 cache 2 MB 1 MB
L2 cache per core 0.33 MB/core 0.25 MB/core
L3 cache 15 MB 8 MB
L3 cache per core 2.5 MB/core 2 MB/core
Manufacture process 32 nm 32 nm
Max CPUs 1 1
Clock multiplier 39 34
Voltage range 0.6 - 1.35V 1.22 - 1.43V
Operating temperature Unknown - 64°C Unknown - 72.6°C

overclocking

Overclocked clock speed 4.79 GHz 3.93 GHz
Overclocked clock speed (Water) 4.8 GHz 3.92 GHz
Overclocked clock speed (Air) 4.79 GHz 3.93 GHz

integrated graphics

GPU None GPU
Label N/A Intel® HD Graphics 2000
Latest DirectX N/A 10.x
Number of displays supported N/A 2
GPU clock speed N/A 850 MHz
Turbo clock speed N/A 1,350 MHz

memory controller

Memory controller Built-in Built-in
Memory type
DDR3-1600
DDR3-1333
DDR3-1066
DDR3
DDR3-800
Channels Quad Channel Dual Channel
Supports ECC Yes No
Maximum bandwidth 51,200 MB/s 21,333.32 MB/s
Maximum memory size 262,144 MB 32,768 MB
Intel Xeon E5-1660
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Intel Core i7 2600
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