CPUBoss Review Our evaluation of W3520 vs D-1540 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 higher clock speed 2.66 GHz vs 2 GHz Around 35% higher clock speed
Much better overclocked clock speed (Air) 4.38 GHz vs 2 GHz Around 2.2x better overclocked clock speed (Air)
Higher turbo clock speed 2.93 GHz vs 2.6 GHz Around 15% higher turbo clock speed
Much better overclocked clock speed (Water) 4.46 GHz vs 2 GHz Around 2.2x better overclocked clock speed (Water)
More l3 cache per core 2 MB/core vs 1.5 MB/core Around 35% more l3 cache per core
Front view of Intel Xeon D-1540

Reasons to consider the
Intel Xeon D-1540

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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 better PassMark score 10,573 vs 5,061 More than 2x better PassMark score
Much more l3 cache 12 MB vs 8 MB 50% more l3 cache; more data can be stored in the l3 cache for quick access later
More cores 8 vs 4 Twice as many cores; run more applications at once
More threads 16 vs 8 Twice as many threads
Much lower typical power consumption 36.56W vs 105.63W 2.9x lower typical power consumption
Significantly newer manufacturing process 14 nm vs 45 nm A newer manufacturing process allows for a more powerful, yet cooler running processor
Supports trusted computing Yes vs No Somewhat common; Allows for safer, more reliable computing
Much higher Maximum operating temperature 80 °C vs 67.9 °C Around 20% higher Maximum operating temperature
Supports more RAM 131,072 MB vs 24,576 MB Supports more than 5.2x more RAM
Much lower annual commercial energy cost 39.42 $/year vs 113.88 $/year 2.9x lower annual commercial energy cost
Much lower annual home energy cost 10.84 $/year vs 31.32 $/year 2.9x lower annual home energy cost
Newer Mar, 2015 vs Mar, 2009 Release date over 6 years later

Benchmarks Real world tests of Xeon W3520 vs D-1540

GeekBench 3 (Multi-core) Data courtesy Primate Labs

Xeon W3520
7,257
Xeon D-1540
2,291

GeekBench 3 (Single core) Data courtesy Primate Labs

Xeon W3520
1,935
Xeon D-1540
2,292

GeekBench 3 (AES single core) Data courtesy Primate Labs

Xeon W3520
117,600 MB/s
Xeon D-1540
2,290 MB/s

PassMark Data courtesy Passmark

Xeon W3520
5,061
Xeon D-1540
10,573

PassMark (Single Core)

Xeon W3520
1,196
Xeon D-1540
1,344

Specifications Full list of technical specs

summary

Xeon W3520  vs
D-1540 
Clock speed 2.66 GHz 2 GHz
Turbo clock speed 2.93 GHz 2.6 GHz
Cores Quad core Octa core

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
AVX 2.0
Supports dynamic frequency scaling Yes Yes

power consumption

TDP 130W 45W
Annual home energy cost 31.32 $/year 10.84 $/year
Annual commercial energy cost 113.88 $/year 39.42 $/year
Performance per watt 1.38 pt/W 3.64 pt/W
Typical power consumption 105.63W 36.56W

bus

Architecture QPI DMI 2.0
Number of links 1 1

details

Xeon W3520  vs
D-1540 
Architecture x86-64 x86-64
Threads 8 16
L2 cache 1 MB 2 MB
L2 cache per core 0.25 MB/core 0.25 MB/core
L3 cache 8 MB 12 MB
L3 cache per core 2 MB/core 1.5 MB/core
Manufacture process 45 nm 14 nm
Max CPUs 1 1
Operating temperature Unknown - 67.9°C Unknown - 80°C

overclocking

Overclocked clock speed 4.38 GHz 2 GHz
Overclocked clock speed (Water) 4.46 GHz 2 GHz
Overclocked clock speed (Air) 4.38 GHz 2 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

memory controller

Memory controller Built-in Built-in
Channels Triple Channel Dual Channel
Supports ECC Yes Yes
Maximum memory size 24,576 MB 131,072 MB
Intel Xeon W3520
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Intel Xeon D-1540
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