CPUBoss Review Our evaluation of E5503 vs 3570K 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

CPUBoss Score

Combination of all six facets

Winner
Intel Core i5 3570K 

CPUBoss recommends the Intel Core i5 3570K  based on its performance, single-core performance and value.

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VS

Differences What are the advantages of each

Front view of Intel Xeon E5503

Reasons to consider the
Intel Xeon E5503

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Much lower typical power consumption 65W vs 107.5W Around 40% lower typical power consumption
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
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 19.27 $/year vs 38.81 $/year 2x lower annual home energy cost
Higher Maximum operating temperature 76 °C vs 67.4 °C Around 15% higher Maximum operating temperature
Much lower annual commercial energy cost 70.08 $/year vs 106 $/year Around 35% lower annual commercial energy cost
Supports more RAM 147,456 MB vs 32,768 MB Supports 4.5x more RAM
Front view of Intel Core i5 3570K

Reasons to consider the
Intel Core i5 3570K

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Much higher clock speed 3.4 GHz vs 2 GHz 70% higher clock speed
Much newer manufacturing process 22 nm vs 45 nm A newer manufacturing process allows for a more powerful, yet cooler running processor
Much better performance per dollar 3.09 pt/$ vs 0.39 pt/$ More than 7.8x better performance per dollar
Has a built-in GPU Yes vs No Somewhat common; A separate graphics adapter is not required
Much better PassMark (Single core) score 2,012 vs 808 Around 2.5x better PassMark (Single core) score
Significantly better PassMark score 7,152 vs 1,383 Around 5.2x better PassMark score
Significantly better overclocked clock speed (Air) 4.59 GHz vs 3.3 GHz Around 40% better overclocked clock speed (Air)
Slightly more l3 cache 6 MB vs 4 MB 50% more l3 cache; more data can be stored in the l3 cache for quick access later
Significantly better performance per watt 4.69 pt/W vs 0.96 pt/W Around 5x better performance per watt
More cores 4 vs 2 Twice as many cores; run more applications at once
Newer Apr, 2012 vs Mar, 2010 Release date over 2 years later
More threads 4 vs 2 Twice as many threads
Much better overclocked clock speed (Water) 4.71 GHz vs 3.33 GHz More than 40% better overclocked clock speed (Water)

Benchmarks Real world tests of Xeon E5503 vs Core i5 3570K

GeekBench 3 (Multi-core) Data courtesy Primate Labs

Xeon E5503
4,704
Core i5 3570K
10,311

GeekBench 3 (Single core) Data courtesy Primate Labs

GeekBench 3 (AES single core) Data courtesy Primate Labs

Xeon E5503
86.2 MB/s
Core i5 3570K
2,650,000 MB/s

PassMark Data courtesy Passmark

PassMark (Single Core)

Specifications Full list of technical specs

summary

Xeon E5503  vs
Core i5 3570K 
Clock speed 2 GHz 3.4 GHz
Cores Dual core Quad core
Socket type
LGA 1366
LGA 1155

features

Has a NX bit Yes Yes
Supports trusted computing No No
Has virtualization support Yes Yes
Instruction set extensions
SSE2
MMX
SSE4
AVX
SSE3
EM64T
SSE
SSE4.1
SSE4.2
Supplemental SSE3
AES
Supports dynamic frequency scaling Yes Yes

power consumption

TDP 80W 77W
Annual home energy cost 19.27 $/year 38.81 $/year
Annual commercial energy cost 70.08 $/year 106 $/year
Performance per watt 0.96 pt/W 4.69 pt/W
Typical power consumption 65W 107.5W

memory controller

Memory controller Built-in Built-in
Memory type
DDR3-1600
DDR3-1333
DDR3-800
DDR3
Channels Triple Channel Dual Channel
Supports ECC Yes No
Maximum bandwidth 19,200 MB/s 25,600 MB/s
Maximum memory size 147,456 MB 32,768 MB

details

Xeon E5503  vs
Core i5 3570K 
Architecture x86-64 x86-64
Threads 2 4
L2 cache 1 MB 1 MB
L2 cache per core 0.5 MB/core 0.25 MB/core
L3 cache 4 MB 6 MB
L3 cache per core 2 MB/core 1.5 MB/core
Manufacture process 45 nm 22 nm
Max CPUs 2 1
Clock multiplier 15 34
Operating temperature Unknown - 76°C Unknown - 67.4°C

overclocking

Overclocked clock speed 3.3 GHz 4.59 GHz
Overclocked clock speed (Water) 3.33 GHz 4.71 GHz
Overclocked clock speed (Air) 3.3 GHz 4.59 GHz

integrated graphics

GPU None GPU
Label N/A Intel® HD Graphics 4000
Latest DirectX N/A 10.x
Number of displays supported N/A 3
GPU clock speed N/A 650 MHz
Turbo clock speed N/A 1,150 MHz
3DMark06 N/A 5,339.9

bus

Architecture QPI DMI
Number of links 2 1
Transfer rate 4,800 MT/s 5,000 MT/s
Intel Xeon E5503
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Intel Core i5 3570K
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