CPUBoss Review Our evaluation of E5-1603 vs E3-1225 v3 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

8.9

CPUBoss Score

Combination of all six facets

Winner
Intel Xeon E3-1225 v3 

CPUBoss recommends the Intel Xeon E3-1225 v3  based on its performance and cost to run.

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VS

Differences What are the advantages of each

Front view of Intel Xeon E5-1603

Reasons to consider the
Intel Xeon E5-1603

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Supports more RAM 384,000 MB vs 32,768 MB Supports around 11.8x more RAM
More l3 cache 10 MB vs 8 MB 25% more l3 cache; more data can be stored in the l3 cache for quick access later
More l3 cache per core 2.5 MB/core vs 2 MB/core 25% more l3 cache per core
Front view of Intel Xeon E3-1225 v3

Reasons to consider the
Intel Xeon E3-1225 v3

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Much higher clock speed 3.2 GHz vs 2.8 GHz Around 15% higher clock speed
Much better PassMark score 7,137 vs 6,027 Around 20% better PassMark score
Has a built-in GPU Yes vs No Somewhat common; A separate graphics adapter is not required
Much lower typical power consumption 68.25W vs 105.63W More than 35% lower typical power consumption
Much better overclocked clock speed (Air) 3.48 GHz vs 2.94 GHz Around 20% better overclocked clock speed (Air)
Newer manufacturing process 22 nm vs 32 nm A newer manufacturing process allows for a more powerful, yet cooler running processor
Much lower annual commercial energy cost 73.58 $/year vs 113.88 $/year More than 35% lower annual commercial energy cost
Much lower annual home energy cost 20.24 $/year vs 31.32 $/year More than 35% lower annual home energy cost
Significantly better overclocked clock speed (Water) 3.2 GHz vs 2.97 GHz Around 10% better overclocked clock speed (Water)
Newer Apr, 2013 vs Mar, 2012 Release date over 1 years later

Benchmarks Real world tests of Xeon E5-1603 vs E3-1225 v3

GeekBench 3 (Multi-core) Data courtesy Primate Labs

GeekBench 3 (Single core) Data courtesy Primate Labs

GeekBench 3 (AES single core) Data courtesy Primate Labs

Xeon E5-1603
1,930,000 MB/s
Xeon E3-1225 v3
4,250,000 MB/s

GeekBench (32-bit) Data courtesy Primate Labs

GeekBench

PassMark Data courtesy Passmark

PassMark (Single Core)

Specifications Full list of technical specs

summary

Xeon E5-1603  vs
E3-1225 v3 
Clock speed 2.8 GHz 3.2 GHz
Cores Quad core Quad core

features

Has a NX bit Yes Yes
Supports trusted computing Yes 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 84W
Annual home energy cost 31.32 $/year 20.24 $/year
Annual commercial energy cost 113.88 $/year 73.58 $/year
Performance per watt 6.26 pt/W 13.25 pt/W
Typical power consumption 105.63W 68.25W

bus

Architecture QPI DMI
Number of links 1 0
Transfer rate 0 MT/s 5,000 MT/s

details

Xeon E5-1603  vs
E3-1225 v3 
Architecture x86-64 x86-64
Threads 4 4
L2 cache 1 MB 1 MB
L2 cache per core 0.25 MB/core 0.25 MB/core
L3 cache 10 MB 8 MB
L3 cache per core 2.5 MB/core 2 MB/core
Manufacture process 32 nm 22 nm
Max CPUs 1 1

overclocking

Overclocked clock speed 2.94 GHz 3.48 GHz
Overclocked clock speed (Water) 2.97 GHz 3.2 GHz
Overclocked clock speed (Air) 2.94 GHz 3.48 GHz

integrated graphics

GPU None GPU
Label N/A Intel® HD Graphics P4600
Number of displays supported N/A 3
GPU clock speed N/A 350 MHz
Turbo clock speed N/A 1,200 MHz

memory controller

Memory controller Built-in Built-in
Memory type
DDR3-1600
DDR3-1333
DDR3-1066
DDR3
Channels Quad Channel Dual Channel
Supports ECC Yes Yes
Maximum bandwidth 34,133.32 MB/s 25,600 MB/s
Maximum memory size 384,000 MB 32,768 MB
Intel Xeon E5-1603
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Intel Xeon E3-1225 v3
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