CPUBoss Review Our evaluation of E5645 vs 4610 v2 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 E5645

Reasons to consider the
Intel Xeon E5645

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Supports dynamic frequency scaling Yes vs No Somewhat common; Allows for maximum performance when needed, while conserving power and minimizing heat production when not needed
Much better performance per dollar 1.2 pt/$ vs 0.63 pt/$ More than 90% better performance per dollar
Higher clock speed 2.4 GHz vs 2.3 GHz Around 5% higher clock speed
Much better overclocked clock speed (Air) 3.39 GHz vs 2.3 GHz More than 45% better overclocked clock speed (Air)
Lower typical power consumption 65W vs 77.19W More than 15% lower typical power consumption
Lower annual commercial energy cost 70.08 $/year vs 83.22 $/year More than 15% lower annual commercial energy cost
Lower annual home energy cost 19.27 $/year vs 22.89 $/year More than 15% lower annual home energy cost
Better overclocked clock speed (Water) 2.4 GHz vs 2.3 GHz Around 5% better overclocked clock speed (Water)
Front view of Intel Xeon E5 4610 v2

Reasons to consider the
Intel Xeon E5 4610 v2

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Much more l3 cache 16 MB vs 12 MB Around 35% more l3 cache; more data can be stored in the l3 cache for quick access later
Supports more RAM 786,432 MB vs 294,912 MB Supports around 2.8x more RAM
More threads 16 vs 12 4 more threads
Newer manufacturing process 22 nm vs 32 nm A newer manufacturing process allows for a more powerful, yet cooler running processor
Supports more CPUs in SMP configuration 4 vs 2 Twice as many CPUs in SMP configuration
Newer Jan, 2014 vs Mar, 2010 Release date over 3 years later

Benchmarks Real world tests of Xeon E5645 vs E5 4610 v2

GeekBench 3 (Multi-core) Data courtesy Primate Labs

Xeon E5645
20,172

GeekBench 3 (Single core) Data courtesy Primate Labs

GeekBench 3 (AES single core) Data courtesy Primate Labs

Xeon E5645
1,340,000 MB/s
Xeon E5 4610 v2
894,100 MB/s

Specifications Full list of technical specs

summary

Xeon E5645  vs
E5 4610 v2 
Clock speed 2.4 GHz 2.3 GHz
Turbo clock speed 2.67 GHz 2.7 GHz
Cores Hexa core Octa core
Socket type
LGA 1366
LGA 2011

features

Has a NX bit Yes Yes
Supports trusted computing Yes Yes
Has virtualization support Yes Yes
Instruction set extensions
SSE2
F16C
MMX
SSE4
AVX
SSE3
EM64T
SSE
SSE4.1
SSE4.2
Supplemental SSE3
AES
Supports dynamic frequency scaling Yes No

power consumption

TDP 80W 95W
Annual home energy cost 19.27 $/year 22.89 $/year
Annual commercial energy cost 70.08 $/year 83.22 $/year
Performance per watt 8.49 pt/W 8.03 pt/W
Typical power consumption 65W 77.19W

bus

Architecture QPI QPI
Number of links 2 2
Data rate 46,928 MB/s 57,600 MB/s
Transfer rate 5,860 MT/s 7,200 MT/s
Clock speed 2,930 MHz 3,600 MHz

details

Xeon E5645  vs
E5 4610 v2 
Architecture x86-64 x86-64
Threads 12 16
L3 cache 12 MB 16 MB
L3 cache per core 2 MB/core 2 MB/core
Manufacture process 32 nm 22 nm
Max CPUs 2 4
Clock multiplier 18 23
Voltage range 0.75 - 1.35V 0.65 - 1.3V
Operating temperature Unknown - 76.2°C Unknown - 75°C

overclocking

Overclocked clock speed 3.39 GHz 2.3 GHz
Overclocked clock speed (Water) 2.4 GHz 2.3 GHz
Overclocked clock speed (Air) 3.39 GHz 2.3 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

memory controller

Memory controller Built-in Built-in
Memory type
DDR3-1333
DDR3-1066
DDR3-800
DDR3
Channels Triple Channel Quad Channel
Supports ECC Yes Yes
Maximum bandwidth 31,999.98 MB/s 25,600 MB/s
Maximum memory size 294,912 MB 786,432 MB
Intel Xeon E5645
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Intel Xeon E5 4610 v2
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