CPUBoss Review Our evaluation of E5240 vs E3-1220 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

5.4

CPUBoss Score

Combination of all six facets

Winner
Intel Xeon E3-1220 

CPUBoss recommends the Intel Xeon E3-1220  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 E5240

Reasons to consider the
Intel Xeon E5240

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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
Much better overclocked clock speed (Air) 4.89 GHz vs 3.49 GHz More than 40% better overclocked clock speed (Air)
Lower typical power consumption 52.81W vs 65W Around 20% lower typical power consumption
Supports more CPUs in SMP configuration 2 vs 1 Twice as many CPUs in SMP configuration
Lower annual commercial energy cost 56.94 $/year vs 70.08 $/year Around 20% lower annual commercial energy cost
Lower annual home energy cost 15.66 $/year vs 19.27 $/year Around 20% lower annual home energy cost
Front view of Intel Xeon E3-1220

Reasons to consider the
Intel Xeon E3-1220

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Much better PassMark (Single core) score 1,722 vs 1,277 Around 35% better PassMark (Single core) score
More cores 4 vs 2 Twice as many cores; run more applications at once
Much better performance per watt 12.06 pt/W vs 1.86 pt/W Around 6.5x better performance per watt
Much better performance per dollar 4.59 pt/$ vs 0.19 pt/$ More than 24.5x better performance per dollar
Higher clock speed 3.1 GHz vs 3 GHz Around 5% higher clock speed
Supports trusted computing Yes vs No Somewhat common; Allows for safer, more reliable computing
Newer manufacturing process 32 nm vs 45 nm A newer manufacturing process allows for a more powerful, yet cooler running processor
More threads 4 vs 2 Twice as many threads
Newer Apr, 2011 vs Feb, 2008 Release date over 3 years later
Better overclocked clock speed (Water) 3.1 GHz vs 3 GHz Around 5% better overclocked clock speed (Water)

Benchmarks Real world tests of Xeon E5240 vs E3-1220

PassMark Data courtesy Passmark

Xeon E5240
2,424
Xeon E3-1220
6,076

PassMark (Single Core)

Xeon E5240
1,277
Xeon E3-1220
1,722

Specifications Full list of technical specs

summary

Xeon E5240  vs
E3-1220 
Clock speed 3 GHz 3.1 GHz
Cores Dual core Quad core
Socket type
LGA 771
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 65W 80W
Annual home energy cost 15.66 $/year 19.27 $/year
Annual commercial energy cost 56.94 $/year 70.08 $/year
Performance per watt 1.86 pt/W 12.06 pt/W
Typical power consumption 52.81W 65W

details

Xeon E5240  vs
E3-1220 
Architecture x86-64 x86-64
Threads 2 4
L2 cache 6 MB 1 MB
L2 cache per core 3 MB/core 0.25 MB/core
Manufacture process 45 nm 32 nm
Max CPUs 2 1
Clock multiplier 9 31
Operating temperature Unknown - 66°C Unknown - 69.1°C

overclocking

Overclocked clock speed 4.89 GHz 3.49 GHz
Overclocked clock speed (Water) 3 GHz 3.1 GHz
Overclocked clock speed (Air) 4.89 GHz 3.49 GHz

integrated graphics

GPU None None
Label N/A N/A
Latest DirectX N/A N/A
Number of displays supported N/A N/A
GPU clock speed N/A N/A
Turbo clock speed N/A N/A
3DMark06 N/A N/A

bus

Architecture FSB DMI
Number of links 1 1
Intel Xeon E5240
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Intel Xeon E3-1220
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