CPUBoss Review Our evaluation of 3940XM vs 2393 SE 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

8.5

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 and power consumption.

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VS

Intel Core i7 3940XM

CPUBoss Winner
Front view of Intel Core i7 3940XM

Differences What are the advantages of each

Front view of Intel Core i7 3940XM

Reasons to consider the
Intel Core i7 3940XM

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Is unlocked Yes vs No Somewhat common; An unlocked multiplier allows for easier overclocking
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
Much better performance per watt 14.42 pt/W vs 1.03 pt/W Around 14x better performance per watt
Much lower typical power consumption 44.69W vs 85.31W Around 50% lower typical power consumption
Much higher Maximum operating temperature 105 °C vs 55 °C More than 90% higher Maximum operating temperature
Much better PassMark score 9,820 vs 2,246 More than 4.2x better PassMark score
Significantly better PassMark (Single core) score 2,054 vs 1,119 Around 85% better PassMark (Single core) score
Much better overclocked clock speed (Air) 4.45 GHz vs 3.1 GHz Around 45% better overclocked clock speed (Air)
Slightly more l3 cache 8 MB vs 6 MB Around 35% more l3 cache; more data can be stored in the l3 cache for quick access later
More threads 8 vs 4 Twice as many threads
Newer Sep, 2012 vs Apr, 2009 Release date over 3 years later
More l3 cache per core 2 MB/core vs 1.5 MB/core Around 35% more l3 cache per core
Much lower annual home energy cost 13.25 $/year vs 25.29 $/year Around 50% lower annual home energy cost
Much lower annual commercial energy cost 48.18 $/year vs 91.98 $/year Around 50% lower annual commercial energy cost
Front view of AMD Opteron 2393 SE

Reasons to consider the
AMD Opteron 2393 SE

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Significantly more l2 cache 2 MB vs 1 MB 2x more l2 cache; more data can be stored in the l2 cache for quick access later
Supports more CPUs in SMP configuration 2 vs 1 Twice as many CPUs in SMP configuration
More l2 cache per core 0.5 MB/core vs 0.25 MB/core 2x more l2 cache per core

Benchmarks Real world tests of Core i7 3940XM vs Opteron 2393 SE

PassMark Data courtesy Passmark

PassMark (Single Core)

Specifications Full list of technical specs

summary

Core i7 3940XM  vs
Opteron 2393 SE 
Clock speed 3 GHz 3.1 GHz
Cores Quad core Quad core
Socket type
rPGA 988B
F
Is unlocked Yes No

features

Has a NX bit Yes Yes
Has virtualization support Yes Yes
Instruction set extensions
SSE4a
SSE2
MMX
SSE4
AVX
SSE3
SSE
SSE4.1
SSE4.2
3DNow!
Supplemental SSE3
AES
Supports dynamic frequency scaling Yes Yes

power consumption

TDP 55W 105W
Annual home energy cost 13.25 $/year 25.29 $/year
Annual commercial energy cost 48.18 $/year 91.98 $/year
Performance per watt 14.42 pt/W 1.03 pt/W
Typical power consumption 44.69W 85.31W

details

Core i7 3940XM  vs
Opteron 2393 SE 
Threads 8 4
L2 cache 1 MB 2 MB
L2 cache per core 0.25 MB/core 0.5 MB/core
L3 cache 8 MB 6 MB
L3 cache per core 2 MB/core 1.5 MB/core
Manufacture process 22 nm 45 nm
Max CPUs 1 2
Clock multiplier 30 15
Operating temperature Unknown - 105°C 0 - 55°C

overclocking

Overclocked clock speed 4.45 GHz 3.1 GHz
Overclocked clock speed (Water) 3 GHz 3.1 GHz
Overclocked clock speed (Air) 4.45 GHz 3.1 GHz

integrated graphics

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

bus

Architecture DMI HyperTransport 3.0
Intel Core i7 3940XM
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AMD Opteron 2393 SE
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