CPUBoss Review Our evaluation of 1620 v2 vs E3-1245 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

8.2

CPUBoss Score

Combination of all six facets

Winner
Intel Xeon E3-1245 v2 

CPUBoss recommends the Intel Xeon E3-1245 v2  based on its cost to run.

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VS

Differences What are the advantages of each

Front view of Intel Xeon E5 1620 v2

Reasons to consider the
Intel Xeon E5 1620 v2

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Much higher clock speed 3.7 GHz vs 3.4 GHz Around 10% higher clock speed
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
Supports more RAM 262,144 MB vs 33,556.48 MB Supports more than 7.8x more RAM
Higher turbo clock speed 3.9 GHz vs 3.8 GHz Around 5% higher turbo clock speed
Much better overclocked clock speed (Air) 4.21 GHz vs 3.75 GHz More than 10% better overclocked clock speed (Air)
More l3 cache per core 2.5 MB/core vs 2 MB/core 25% more l3 cache per core
Much better overclocked clock speed (Water) 4.03 GHz vs 3.4 GHz Around 20% better overclocked clock speed (Water)
Newer Jul, 2013 vs May, 2012 Release date over 1 years later
Front view of Intel Xeon E3-1245 v2

Reasons to consider the
Intel Xeon E3-1245 v2

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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
Has a built-in GPU Yes vs No Somewhat common; A separate graphics adapter is not required
Much lower typical power consumption 62.56W vs 105.63W More than 40% lower typical power consumption
Much lower annual commercial energy cost 67.45 $/year vs 113.88 $/year More than 40% lower annual commercial energy cost
Much lower annual home energy cost 18.55 $/year vs 31.32 $/year More than 40% lower annual home energy cost

Benchmarks Real world tests of Xeon E5 1620 v2 vs E3-1245 v2

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 1620 v2
2,650,000 MB/s
Xeon E3-1245 v2
2,520,000 MB/s

Specifications Full list of technical specs

summary

Xeon E5 1620 v2  vs
E3-1245 v2 
Clock speed 3.7 GHz 3.4 GHz
Turbo clock speed 3.9 GHz 3.8 GHz
Cores Quad core Quad core
Socket type
LGA 2011
LGA 1155

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
SSE
SSE4.1
SSE4.2
Supplemental SSE3
AES
Supports dynamic frequency scaling No Yes

power consumption

TDP 130W 77W
Annual home energy cost 31.32 $/year 18.55 $/year
Annual commercial energy cost 113.88 $/year 67.45 $/year
Performance per watt 13.06 pt/W 9.49 pt/W
Typical power consumption 105.63W 62.56W

bus

Number of links 0 1

details

Xeon E5 1620 v2  vs
E3-1245 v2 
Architecture x86-64 x86-64
Threads 8 8
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 22 nm 22 nm
Max CPUs 1 1
Clock multiplier 37 34

overclocking

Overclocked clock speed 4.21 GHz 3.75 GHz
Overclocked clock speed (Water) 4.03 GHz 3.4 GHz
Overclocked clock speed (Air) 4.21 GHz 3.75 GHz

integrated graphics

GPU None GPU
Label N/A Intel® HD Graphics P4000
Number of displays supported N/A 3
GPU clock speed N/A 650 MHz
Turbo clock speed N/A 1,250 MHz

memory controller

Memory controller Built-in Built-in
Memory type
DDR3-1866
DDR3-1600
DDR3-1333
DDR3-1066
DDR3
DDR3-800
Channels Quad Channel Dual Channel
Supports ECC Yes Yes
Maximum bandwidth 59,733.32 MB/s 25,600 MB/s
Maximum memory size 262,144 MB 33,556.48 MB
Intel Xeon E5 1620 v2
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Intel Xeon E3-1245 v2
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