CPUBoss Review Our evaluation of W3520 vs 4334 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

Differences What are the advantages of each

Front view of Intel Xeon W3520

Reasons to consider the
Intel Xeon W3520

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Much better overclocked clock speed (Air) 4.38 GHz vs 3.3 GHz Around 35% better overclocked clock speed (Air)
More threads 8 vs 6 2 more threads
Much better overclocked clock speed (Water) 4.46 GHz vs 3.1 GHz Around 45% better overclocked clock speed (Water)
Significantly more l3 cache per core 2 MB/core vs 1.33 MB/core More than 50% more l3 cache per core
Front view of AMD Opteron 4334

Reasons to consider the
AMD Opteron 4334

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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 higher clock speed 3.1 GHz vs 2.66 GHz More than 15% higher clock speed
Significantly higher turbo clock speed 3.5 GHz vs 2.93 GHz Around 20% higher turbo clock speed
More cores 6 vs 4 2 more cores; run more applications at once
Much better performance per watt 13.7 pt/W vs 1.38 pt/W Around 10x better performance per watt
Much more l2 cache per core 1 MB/core vs 0.25 MB/core 4x more l2 cache per core
Significantly lower typical power consumption 77.19W vs 105.63W More than 25% lower typical power consumption
Newer manufacturing process 32 nm vs 45 nm A newer manufacturing process allows for a more powerful, yet cooler running processor
Supports more CPUs in SMP configuration 2 vs 1 Twice as many CPUs in SMP configuration
Newer Dec, 2012 vs Mar, 2009 Release date over 3 years later
Significantly lower annual commercial energy cost 83.22 $/year vs 113.88 $/year More than 25% lower annual commercial energy cost
Significantly lower annual home energy cost 22.89 $/year vs 31.32 $/year More than 25% lower annual home energy cost

Benchmarks Real world tests of Xeon W3520 vs Opteron 4334

GeekBench 3 (Multi-core) Data courtesy Primate Labs

Xeon W3520
7,257
Opteron 4334
10,192

GeekBench 3 (Single core) Data courtesy Primate Labs

Xeon W3520
1,935
Opteron 4334
1,926

GeekBench 3 (AES single core) Data courtesy Primate Labs

Xeon W3520
117,600 MB/s
Opteron 4334
2,050,000 MB/s

Specifications Full list of technical specs

summary

Xeon W3520  vs
Opteron 4334 
Clock speed 2.66 GHz 3.1 GHz
Turbo clock speed 2.93 GHz 3.5 GHz
Cores Quad core Hexa core
Socket type
LGA 1366
C32

features

Has a NX bit Yes Yes
Has virtualization support Yes Yes
Instruction set extensions
SSE4a
AVX 1.1
SSE2
F16C
MMX
SSE4
XOP
AVX
SSE3
SSE
CLMUL
AMD64
SSE4.1
FMA4
FMA3
SSE4.2
CVT16
AMD-V
Supplemental SSE3
AES
Supports dynamic frequency scaling Yes Yes

power consumption

TDP 130W 95W
Annual home energy cost 31.32 $/year 22.89 $/year
Annual commercial energy cost 113.88 $/year 83.22 $/year
Performance per watt 1.38 pt/W 13.7 pt/W
Typical power consumption 105.63W 77.19W

memory controller

Memory controller Built-in Built-in
Memory type
DDR3-1066
DDR3-800
DDR3
Channels Triple Channel Dual Channel
Supports ECC Yes Yes
Maximum bandwidth 25,599.99 MB/s 12,800 MB/s

details

Xeon W3520  vs
Opteron 4334 
Threads 8 6
L2 cache 1 MB 6 MB
L2 cache per core 0.25 MB/core 1 MB/core
L3 cache 8 MB 8 MB
L3 cache per core 2 MB/core 1.33 MB/core
Manufacture process 45 nm 32 nm
Max CPUs 1 2
Clock multiplier 20 17
Operating temperature Unknown - 67.9°C Unknown - 67.7°C

overclocking

Overclock popularity 6 0
Overclocked clock speed 4.38 GHz 3.3 GHz
Overclocked clock speed (Water) 4.46 GHz 3.1 GHz
Overclocked clock speed (Air) 4.38 GHz 3.3 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 QPI HyperTransport 3.0
Transfer rate 4,800 MT/s 6,400 MT/s
Clock speed 2,400 MHz 3,200 MHz
Intel Xeon W3520
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AMD Opteron 4334
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