CPUBoss Review Our evaluation of 2100 vs 2427 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 Core i3 2100 

CPUBoss recommends the Intel Core i3 2100  based on its performance and single-core performance.

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VS

Intel Core i3 2100

CPUBoss Winner
Front view of Intel Core i3 2100

Differences What are the advantages of each

Front view of Intel Core i3 2100

Reasons to consider the
Intel Core i3 2100

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Significantly higher clock speed 3.1 GHz vs 2.2 GHz More than 40% higher clock speed
Has a built-in GPU Yes vs No Somewhat common; A separate graphics adapter is not required
Much newer manufacturing process 32 nm vs 45 nm A newer manufacturing process allows for a more powerful, yet cooler running processor
Significantly better PassMark (Single core) score 1,583 vs 594 Around 2.8x better PassMark (Single core) score
Higher Maximum operating temperature 69.1 °C vs 55 °C More than 25% higher Maximum operating temperature
More l3 cache per core 1.5 MB/core vs 1 MB/core 50% more l3 cache per core
Newer Jan, 2011 vs Jun, 2009 Release date over 1 years later
Significantly better overclocked clock speed (Water) 3.23 GHz vs 2.2 GHz More than 45% better overclocked clock speed (Water)
Front view of AMD Opteron 2427

Reasons to consider the
AMD Opteron 2427

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Much more l2 cache 3 MB vs 0.5 MB 6x more l2 cache; more data can be stored in the l2 cache for quick access later
Much lower typical power consumption 60.94W vs 98.28W Around 40% lower typical power consumption
Much better geekbench 3 Multi-Core score 8,531 vs 4,786 Around 80% better geekbench 3 Multi-Core score
More cores 6 vs 2 Three times as many cores; run more applications at once
Supports more CPUs in SMP configuration 2 vs 1 Twice as many CPUs in SMP configuration
More l3 cache 6 MB vs 3 MB 2x more l3 cache; more data can be stored in the l3 cache for quick access later
More l2 cache per core 0.5 MB/core vs 0.25 MB/core 2x more l2 cache per core
Much lower annual home energy cost 18.07 $/year vs 37.88 $/year 2.1x lower annual home energy cost
More threads 6 vs 4 2 more threads
Significantly lower annual commercial energy cost 65.7 $/year vs 93.47 $/year Around 30% lower annual commercial energy cost

Benchmarks Real world tests of Core i3 2100 vs Opteron 2427

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

Core i3 2100
153,100 MB/s
Opteron 2427
94.2 MB/s

PassMark Data courtesy Passmark

PassMark (Single Core)

Specifications Full list of technical specs

summary

Core i3 2100  vs
Opteron 2427 
Clock speed 3.1 GHz 2.2 GHz
Cores Dual core Hexa core
Socket type
LGA 1155
F
Is unlocked No No

features

Has a NX bit Yes Yes
Has virtualization support Yes Yes
Instruction set extensions
SSE4a
SSE2
MMX
SSE4
AVX
SSE3
SSE
SSE4.1
SSE4.2
3DNow!
Supplemental SSE3
Supports dynamic frequency scaling Yes Yes

power consumption

TDP 65W 75W
Annual home energy cost 37.88 $/year 18.07 $/year
Annual commercial energy cost 93.47 $/year 65.7 $/year
Performance per watt 1.41 pt/W 1.41 pt/W
Typical power consumption 98.28W 60.94W

details

Core i3 2100  vs
Opteron 2427 
Threads 4 6
L2 cache 0.5 MB 3 MB
L2 cache per core 0.25 MB/core 0.5 MB/core
L3 cache 3 MB 6 MB
L3 cache per core 1.5 MB/core 1 MB/core
Manufacture process 32 nm 45 nm
Max CPUs 1 2
Clock multiplier 31 11
Operating temperature Unknown - 69.1°C 0 - 55°C

overclocking

Overclocked clock speed 3.23 GHz 3.2 GHz
Overclocked clock speed (Water) 3.23 GHz 2.2 GHz
Overclocked clock speed (Air) 3.23 GHz 3.2 GHz

integrated graphics

GPU GPU None
Label Intel® HD Graphics 2000 N/A
Number of displays supported 2 N/A
GPU clock speed 850 MHz N/A
Turbo clock speed 1,100 MHz N/A

bus

Architecture DMI HyperTransport 3.0
Intel Core i3 2100
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AMD Opteron 2427
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