CPUBoss Review Our evaluation of X3440 vs 1356 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

No winner declared

Too close to call

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VS

Intel Xeon X3440

CPUBoss Winner
Front view of Intel Xeon X3440

Differences What are the advantages of each

Front view of Intel Xeon X3440

Reasons to consider the
Intel Xeon X3440

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Much more l3 cache 8 MB vs 2 MB 4x more l3 cache; more data can be stored in the l3 cache for quick access later
Significantly higher clock speed 2.53 GHz vs 2.3 GHz 10% higher clock speed
Much better overclocked clock speed (Air) 3.84 GHz vs 2.94 GHz More than 30% better overclocked clock speed (Air)
More threads 8 vs 4 Twice as many threads
Newer manufacturing process 45 nm vs 65 nm A newer manufacturing process allows for a more powerful, yet cooler running processor
Much more l3 cache per core 2 MB/core vs 0.5 MB/core 4x more l3 cache per core
Much better overclocked clock speed (Water) 4.2 GHz vs 2.3 GHz More than 80% better overclocked clock speed (Water)
Newer Sep, 2009 vs Apr, 2008 Release date over 1 years later
Front view of AMD Opteron 1356

Reasons to consider the
AMD Opteron 1356

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Much 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
Much more l2 cache per core 0.5 MB/core vs 0.25 MB/core 2x more l2 cache per core
Lower typical power consumption 60.94W vs 77.19W More than 20% lower typical power consumption
Lower annual commercial energy cost 65.7 $/year vs 83.22 $/year More than 20% lower annual commercial energy cost
Lower annual home energy cost 18.07 $/year vs 22.89 $/year More than 20% lower annual home energy cost

Benchmarks Real world tests of Xeon X3440 vs Opteron 1356

PassMark Data courtesy Passmark

Xeon X3440
4,559
Opteron 1356
2,765

PassMark (Single Core)

Specifications Full list of technical specs

summary

Xeon X3440  vs
Opteron 1356 
Clock speed 2.53 GHz 2.3 GHz
Cores Quad core Quad core
Socket type
LGA 1156
AM2
AM2+

features

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

power consumption

TDP 95W 75W
Annual home energy cost 22.89 $/year 18.07 $/year
Annual commercial energy cost 83.22 $/year 65.7 $/year
Performance per watt 1.72 pt/W 1.38 pt/W
Typical power consumption 77.19W 60.94W

details

Xeon X3440  vs
Opteron 1356 
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 2 MB
L3 cache per core 2 MB/core 0.5 MB/core
Manufacture process 45 nm 65 nm
Max CPUs 1 1
Clock multiplier 19 11
Voltage range 0.65 - 1.4V 1.2 - UnknownV

overclocking

Overclocked clock speed 3.84 GHz 2.94 GHz
Overclocked clock speed (Water) 4.2 GHz 2.3 GHz
Overclocked clock speed (Air) 3.84 GHz 2.94 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
Intel Xeon X3440
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AMD Opteron 1356
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