CPUBoss Review Our evaluation of W3520 vs 2600 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

CPUBoss Score

Combination of all six facets

Winner
Intel Core i7 2600 

CPUBoss recommends the Intel Core i7 2600  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 W3520

Reasons to consider the
Intel Xeon W3520

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Lower typical power consumption 105.63W vs 114.5W Around 10% lower typical power consumption
Better overclocked clock speed (Air) 4.38 GHz vs 3.93 GHz More than 10% better overclocked clock speed (Air)
Much lower annual home energy cost 31.32 $/year vs 41.87 $/year More than 25% lower annual home energy cost
Better overclocked clock speed (Water) 4.46 GHz vs 3.92 GHz Around 15% better overclocked clock speed (Water)
Front view of Intel Core i7 2600

Reasons to consider the
Intel Core i7 2600

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Significantly higher turbo clock speed 3.8 GHz vs 2.93 GHz Around 30% higher turbo clock speed
Significantly higher clock speed 3.4 GHz vs 2.66 GHz Around 30% higher clock speed
Much better performance per dollar 2.72 pt/$ vs 0.59 pt/$ Around 4.8x better performance per dollar
Has a built-in GPU Yes vs No Somewhat common; A separate graphics adapter is not required
Much newer manufacturing process 32 nm vs 45 nm A newer manufacturing process allows for a more powerful, yet cooler running processor
Significantly better PassMark (Single core) score 1,921 vs 1,196 More than 60% better PassMark (Single core) score
Much better performance per watt 6.48 pt/W vs 1.38 pt/W Around 4.8x better performance per watt
Supports trusted computing Yes vs No Somewhat common; Allows for safer, more reliable computing
Better PassMark score 8,219 vs 5,061 More than 60% better PassMark score
Newer Jan, 2011 vs Mar, 2009 Release date over 1 years later
Higher Maximum operating temperature 72.6 °C vs 67.9 °C More than 5% higher Maximum operating temperature

Benchmarks Real world tests of Xeon W3520 vs Core i7 2600

GeekBench 3 (Multi-core) Data courtesy Primate Labs

Xeon W3520
7,257
Core i7 2600
10,986

GeekBench 3 (Single core) Data courtesy Primate Labs

Xeon W3520
1,935
Core i7 2600
2,876

GeekBench 3 (AES single core) Data courtesy Primate Labs

Xeon W3520
117,600 MB/s
Core i7 2600
2,470,000 MB/s

GeekBench (32-bit) Data courtesy Primate Labs

Xeon W3520
6,599
Core i7 2600
11,071

GeekBench (64-bit) Data courtesy Primate Labs

Xeon W3520
7,836
Core i7 2600
11,820

GeekBench

Xeon W3520
9,166
Core i7 2600
14,233

PassMark Data courtesy Passmark

Xeon W3520
5,061
Core i7 2600
8,219

PassMark (Single Core)

Xeon W3520
1,196
Core i7 2600
1,921

Specifications Full list of technical specs

summary

Xeon W3520  vs
Core i7 2600 
Clock speed 2.66 GHz 3.4 GHz
Turbo clock speed 2.93 GHz 3.8 GHz
Cores Quad core Quad core
Socket type
LGA 1366
LGA 1155

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
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 1.38 pt/W 6.48 pt/W
Typical power consumption 105.63W 114.5W

memory controller

Memory controller Built-in Built-in
Memory type
DDR3-1333
DDR3-1066
DDR3-800
DDR3
Channels Triple Channel Dual Channel
Supports ECC Yes No
Maximum bandwidth 25,599.99 MB/s 21,333.32 MB/s
Maximum memory size 24,576 MB 32,768 MB

details

Xeon W3520  vs
Core i7 2600 
Architecture x86-64 x86-64
Threads 8 8
L2 cache 1 MB 1 MB
L2 cache per core 0.25 MB/core 0.25 MB/core
L3 cache 8 MB 8 MB
L3 cache per core 2 MB/core 2 MB/core
Manufacture process 45 nm 32 nm
Transistor count 731,000,000 1,160,000,000
Max CPUs 1 1
Clock multiplier 20 34
Voltage range 0.8 - 1.38V 1.22 - 1.43V
Operating temperature Unknown - 67.9°C Unknown - 72.6°C

overclocking

Overclocked clock speed 4.38 GHz 3.93 GHz
Overclocked clock speed (Water) 4.46 GHz 3.92 GHz
Overclocked clock speed (Air) 4.38 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

bus

Architecture QPI DMI
Number of links 1 1
Data rate 19,200 MB/s 8 MB/s
Transfer rate 4,800 MT/s 5,000 MT/s
Intel Xeon W3520
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Intel Core i7 2600
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