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Differences What are the advantages of each

Front view of Intel Core i3 3210

Reasons to consider the
Intel Core i3 3210

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Much higher clock speed 3.2 GHz vs 2.1 GHz More than 50% higher clock speed
Much newer manufacturing process 22 nm vs 65 nm A newer manufacturing process allows for a more powerful, yet cooler running processor
Has a built-in GPU Yes vs No Somewhat common; A separate graphics adapter is not required
Much better PassMark (Single core) score 1,713 vs 714 Around 2.5x better PassMark (Single core) score
Much better performance per watt 3.35 pt/W vs 0.91 pt/W Around 3.8x better performance per watt
Much better overclocked clock speed (Air) 3.26 GHz vs 2.46 GHz More than 30% better overclocked clock speed (Air)
Much lower typical power consumption 44.69W vs 77.19W More than 40% lower typical power consumption
Much lower annual home energy cost 13.25 $/year vs 22.89 $/year More than 40% lower annual home energy cost
Much lower annual commercial energy cost 48.18 $/year vs 83.22 $/year More than 40% lower annual commercial energy cost
Newer Jan, 2013 vs Mar, 2008 Release date over 4 years later
Significantly better overclocked clock speed (Water) 3.2 GHz vs 2.75 GHz More than 15% better overclocked clock speed (Water)
Front view of AMD Phenom X3 8400

Reasons to consider the
AMD Phenom X3 8400

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Much more l2 cache 2 MB vs 1 MB 2x more l2 cache; more data can be stored in the l2 cache for quick access later
More cores 3 vs 2 1 more cores; run more applications at once
Much more l2 cache per core 0.67 MB/core vs 0.5 MB/core Around 35% more l2 cache per core
Significantly higher Maximum operating temperature 70 °C vs 65.3 °C More than 5% higher Maximum operating temperature

Benchmarks Real world tests of Core i3 3210 vs Phenom X3 8400

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 3210
167,100 MB/s
Phenom X3 8400
79,150 MB/s

GeekBench (32-bit) Data courtesy Primate Labs

GeekBench

PassMark Data courtesy Passmark

PassMark (Single Core)

Specifications Full list of technical specs

summary

Core i3 3210  vs
Phenom X3 8400 
Clock speed 3.2 GHz 2.1 GHz
Cores Dual core Tri core
Socket type
LGA 1155
AM2+
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 55W 95W
Annual home energy cost 13.25 $/year 22.89 $/year
Annual commercial energy cost 48.18 $/year 83.22 $/year
Performance per watt 3.35 pt/W 0.91 pt/W
Typical power consumption 44.69W 77.19W

details

Core i3 3210  vs
Phenom X3 8400 
Architecture x86-64 x86-64
Threads 4 3
L2 cache 1 MB 2 MB
L2 cache per core 0.5 MB/core 0.67 MB/core
L3 cache 3 MB 2 MB
L3 cache per core 1.5 MB/core 0.67 MB/core
Manufacture process 22 nm 65 nm
Max CPUs 1 1
Operating temperature Unknown - 65.3°C Unknown - 70°C

overclocking

Overclocked clock speed 3.26 GHz 2.46 GHz
Overclocked clock speed (Water) 3.2 GHz 2.75 GHz
PassMark (Overclocked) 2,160.4 1,700.9
Overclocked clock speed (Air) 3.26 GHz 2.46 GHz

integrated graphics

GPU GPU None
Label Intel® HD Graphics 2500 N/A
Number of displays supported 3 N/A
GPU clock speed 650 MHz N/A
Turbo clock speed 1,050 MHz N/A
Intel Core i3 3210
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AMD Phenom X3 8400
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