CPUBoss Review Our evaluation of E5440 vs 705e 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

5.1

CPUBoss Score

Combination of all six facets

Winner
Intel Xeon E5440 

CPUBoss recommends the Intel Xeon E5440  based on its performance and single-core performance.

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VS

Differences What are the advantages of each

Front view of Intel Xeon E5440

Reasons to consider the
Intel Xeon E5440

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Much more l2 cache 12 MB vs 0.5 MB 24x 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 0.17 MB/core More than 18x more l2 cache per core
Higher clock speed 2.83 GHz vs 2.5 GHz Around 15% higher clock speed
Significantly better geekbench 3 Multi-Core score 6,294 vs 3,181 Around 2x better geekbench 3 Multi-Core score
Supports more CPUs in SMP configuration 2 vs 1 Twice as many CPUs in SMP configuration
More cores 4 vs 3 1 more cores; run more applications at once
Better geekbench 3 single core score 1,532 vs 1,290 Around 20% better geekbench 3 single core score
Much better overclocked clock speed (Water) 3.96 GHz vs 2.5 GHz Around 60% better overclocked clock speed (Water)
Better performance per watt 2 pt/W vs 1.15 pt/W Around 75% better performance per watt
Front view of AMD Phenom II X3 705e

Reasons to consider the
AMD Phenom II X3 705e

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Lower typical power consumption 52.81W vs 65W Around 20% lower typical power consumption
Newer Jun, 2009 vs Nov, 2007 Release date over 1 years later
Higher Maximum operating temperature 72 °C vs 67 °C More than 5% higher Maximum operating temperature
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

Benchmarks Real world tests of Xeon E5440 vs Phenom II X3 705e

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 E5440
120,650 MB/s
Phenom II X3 705e
99.6 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 E5440  vs
Phenom II X3 705e 
Clock speed 2.83 GHz 2.5 GHz
Cores Quad core Tri core
Socket type
LGA 771
AM3

features

Has a NX bit Yes Yes
Has virtualization support Yes Yes
Instruction set extensions
SSE4a
SSE2
MMX
SSE3
SSE
SSE4.1
3DNow!
Supports dynamic frequency scaling Yes Yes

power consumption

TDP 80W 65W
Annual home energy cost 19.27 $/year 15.66 $/year
Annual commercial energy cost 70.08 $/year 56.94 $/year
Performance per watt 2 pt/W 1.15 pt/W
Typical power consumption 65W 52.81W

details

Xeon E5440  vs
Phenom II X3 705e 
Architecture x86-64 x86-64
Threads 4 3
L2 cache 12 MB 0.5 MB
L2 cache per core 3 MB/core 0.17 MB/core
Manufacture process 45 nm 45 nm
Max CPUs 2 1
Voltage range 0.85 - 1.35V 0.8 - 1.25V
Operating temperature Unknown - 67°C Unknown - 72°C

overclocking

Overclocked clock speed 3.61 GHz 3.57 GHz
Overclocked clock speed (Water) 3.96 GHz 2.5 GHz
Overclocked clock speed (Air) 3.61 GHz 3.57 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

Clock speed 1,333 MHz 2,000 MHz
Intel Xeon E5440
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AMD Phenom II X3 705e
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