CPUBoss Review Our evaluation of E5430 vs 3940XM 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

8.4

CPUBoss Score

Combination of all six facets

Winner
Intel Core i7 3940XM 

CPUBoss recommends the Intel Core i7 3940XM  based on its performance, single-core performance, power consumption and value.

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VS
Front view of Intel Core i7 3940XM

Intel Core i7 3940XM

CPUBoss Winner

Differences What are the advantages of each

Front view of Intel Xeon E5430

Reasons to consider the
Intel Xeon E5430

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Much more l2 cache 12 MB vs 1 MB 12x 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
Supports more CPUs in SMP configuration 2 vs 1 Twice as many CPUs in SMP configuration
Significantly better overclocked clock speed (Water) 4.07 GHz vs 3 GHz More than 35% better overclocked clock speed (Water)
Front view of Intel Core i7 3940XM

Reasons to consider the
Intel Core i7 3940XM

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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
Has a built-in GPU Yes vs No Somewhat common; A separate graphics adapter is not required
Higher clock speed 3 GHz vs 2.66 GHz Around 15% higher clock speed
Much better performance per watt 14.42 pt/W vs 1.88 pt/W Around 7.8x better performance per watt
Much higher Maximum operating temperature 105 °C vs 67 °C More than 55% higher Maximum operating temperature
Significantly better PassMark (Single core) score 2,054 vs 1,136 More than 80% better PassMark (Single core) score
Significantly better PassMark score 9,820 vs 3,797 More than 2.5x better PassMark score
Significantly lower typical power consumption 44.69W vs 65W More than 30% lower typical power consumption
Supports trusted computing Yes vs No Somewhat common; Allows for safer, more reliable computing
Newer Sep, 2012 vs Nov, 2007 Release date over 4 years later
Significantly better overclocked clock speed (Air) 4.45 GHz vs 3.39 GHz More than 30% better overclocked clock speed (Air)
More threads 8 vs 4 Twice as many threads
Significantly lower annual commercial energy cost 48.18 $/year vs 70.08 $/year More than 30% lower annual commercial energy cost
Significantly lower annual home energy cost 13.25 $/year vs 19.27 $/year More than 30% lower annual home energy cost

Benchmarks Real world tests of Xeon E5430 vs Core i7 3940XM

GeekBench 3 (Multi-core) Data courtesy Primate Labs

Xeon E5430
5,850

GeekBench 3 (Single core) Data courtesy Primate Labs

GeekBench 3 (AES single core) Data courtesy Primate Labs

Xeon E5430
113,450 MB/s
Core i7 3940XM
2,680,000 MB/s

GeekBench (32-bit) Data courtesy Primate Labs

Xeon E5430
4,745

GeekBench

Xeon E5430
4,745

PassMark Data courtesy Passmark

PassMark (Single Core)

Specifications Full list of technical specs

summary

Xeon E5430  vs
Core i7 3940XM 
Clock speed 2.66 GHz 3 GHz
Cores Quad core Quad core
Socket type
LGA 771
rPGA 988B

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 80W 55W
Annual home energy cost 19.27 $/year 13.25 $/year
Annual commercial energy cost 70.08 $/year 48.18 $/year
Performance per watt 1.88 pt/W 14.42 pt/W
Typical power consumption 65W 44.69W

details

Xeon E5430  vs
Core i7 3940XM 
Architecture x86-64 x86-64
Threads 4 8
L2 cache 12 MB 1 MB
L2 cache per core 3 MB/core 0.25 MB/core
Manufacture process 45 nm 22 nm
Max CPUs 2 1
Clock multiplier 8 30
Operating temperature Unknown - 67°C Unknown - 105°C

overclocking

Overclocked clock speed 3.39 GHz 4.45 GHz
Overclocked clock speed (Water) 4.07 GHz 3 GHz
Overclocked clock speed (Air) 3.39 GHz 4.45 GHz

integrated graphics

GPU None GPU
Label N/A Intel® HD Graphics 4000
Number of displays supported N/A 3
GPU clock speed N/A 650 MHz
Turbo clock speed N/A 1,350 MHz

bus

Architecture FSB DMI
Number of links 1 1
Intel Xeon E5430
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Intel Core i7 3940XM
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