CPUBoss Review Our evaluation of W3520 vs 3770 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

7.7

CPUBoss Score

Combination of all six facets

Winner
Intel Core i7 3770 

CPUBoss recommends the Intel Core i7 3770  based on its performance, single-core performance, power consumption 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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Slightly better overclocked clock speed (Air) 4.38 GHz vs 3.91 GHz More than 10% better overclocked clock speed (Air)
Slightly better overclocked clock speed (Water) 4.54 GHz vs 4.09 GHz More than 10% better overclocked clock speed (Water)
Front view of Intel Core i7 3770

Reasons to consider the
Intel Core i7 3770

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Much newer manufacturing process 22 nm vs 45 nm A newer manufacturing process allows for a more powerful, yet cooler running processor
Significantly higher turbo clock speed 3.9 GHz vs 2.93 GHz Around 35% higher turbo clock speed
Higher clock speed 3.4 GHz vs 2.66 GHz Around 30% higher clock speed
Has a built-in GPU Yes vs No Somewhat common; A separate graphics adapter is not required
Lower typical power consumption 62.56W vs 105.63W More than 40% lower typical power consumption
Supports trusted computing Yes vs No Somewhat common; Allows for safer, more reliable computing
Much better performance per dollar 2.33 pt/$ vs 1.31 pt/$ Around 80% better performance per dollar
Significantly better performance per watt 7.25 pt/W vs 1.38 pt/W More than 5.2x better performance per watt
Better geekbench 3 single core score 3,236 vs 1,935 More than 65% better geekbench 3 single core score
Newer Apr, 2012 vs Mar, 2009 Release date over 3 years later
Better PassMark score 9,449 vs 5,061 More than 85% better PassMark score
Lower annual commercial energy cost 67.45 $/year vs 113.88 $/year More than 40% lower annual commercial energy cost
Lower annual home energy cost 18.55 $/year vs 31.32 $/year More than 40% lower annual home energy cost

Benchmarks Real world tests of Xeon W3520 vs Core i7 3770

GeekBench 3 (Multi-core) Data courtesy Primate Labs

Xeon W3520
7,257
Core i7 3770
12,524

GeekBench 3 (Single core) Data courtesy Primate Labs

Xeon W3520
1,935
Core i7 3770
3,236

GeekBench 3 (AES single core) Data courtesy Primate Labs

Xeon W3520
117,600 MB/s
Core i7 3770
2,660,000 MB/s

GeekBench (32-bit) Data courtesy Primate Labs

Xeon W3520
6,599
Core i7 3770
12,495

GeekBench (64-bit) Data courtesy Primate Labs

Xeon W3520
7,836
Core i7 3770
13,300

GeekBench

Xeon W3520
9,166
Core i7 3770
16,134

PassMark Data courtesy Passmark

Xeon W3520
5,061
Core i7 3770
9,449

PassMark (Single Core)

Xeon W3520
1,196
Core i7 3770
2,072

Specifications Full list of technical specs

summary

Xeon W3520  vs
Core i7 3770 
Clock speed 2.66 GHz 3.4 GHz
Turbo clock speed 2.93 GHz 3.9 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 77W
Annual home energy cost 31.32 $/year 18.55 $/year
Annual commercial energy cost 113.88 $/year 67.45 $/year
Performance per watt 1.38 pt/W 7.25 pt/W
Typical power consumption 105.63W 62.56W

memory controller

Memory controller Built-in Built-in
Memory type
DDR3-1600
DDR3-1333
DDR3-1066
DDR3
DDR3-800
Channels Triple Channel Dual Channel
Supports ECC Yes No
Maximum bandwidth 25,599.99 MB/s 25,600 MB/s
Maximum memory size 24,576 MB 32,768 MB

details

Xeon W3520  vs
Core i7 3770 
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 22 nm
Transistor count 731,000,000 1,300,000,000
Max CPUs 1 1
Clock multiplier 20 34
Operating temperature Unknown - 67.9°C Unknown - 67.4°C

overclocking

Overclock popularity 6 8
Overclocked clock speed 4.38 GHz 3.91 GHz
Overclocked clock speed (Water) 4.54 GHz 4.09 GHz
Overclocked clock speed (Air) 4.38 GHz 3.91 GHz

integrated graphics

GPU None GPU
Label N/A Intel® HD Graphics 4000
Latest DirectX N/A 11.x
Number of displays supported N/A 3
GPU clock speed N/A 650 MHz
Turbo clock speed N/A 1,150 MHz
3DMark06 N/A 5,339.9

bus

Architecture QPI DMI
Number of links 1 1
Transfer rate 4,800 MT/s 5,000 MT/s
Intel Xeon W3520
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Intel Core i7 3770
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