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Differences What are the advantages of each

Front view of AMD Athlon X2 4800+

Reasons to consider the
AMD Athlon X2 4800+

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Much lower typical power consumption 52.81W vs 113.47W 2.1x lower typical power consumption
Much lower annual home energy cost 15.66 $/year vs 39.57 $/year 2.5x lower annual home energy cost
Much lower annual commercial energy cost 56.94 $/year vs 113.88 $/year 2x lower annual commercial energy cost
Front view of AMD Athlon II X3 455

Reasons to consider the
AMD Athlon II X3 455

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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
Much more l3 cache 0.5 MB vs 0 MB Compared to all cpus, 0.5 MB l3 cache is just OK
Much higher clock speed 3.3 GHz vs 2.5 GHz More than 30% higher clock speed
Much better PassMark score 2,775 vs 1,260 Around 2.2x better PassMark score
Much better PassMark (Single core) score 1,131 vs 749 More than 50% better PassMark (Single core) score
Much better geekbench 2 (32-bit) score 4,252 vs 1,690 More than 2.5x better geekbench 2 (32-bit) score
Much newer manufacturing process 45 nm vs 65 nm A newer manufacturing process allows for a more powerful, yet cooler running processor
More cores 3 vs 2 1 more cores; run more applications at once
More threads 3 vs 2 1 more threads
Much better overclocked clock speed (Air) 3.96 GHz vs 2.75 GHz Around 45% better overclocked clock speed (Air)
Much higher Maximum operating temperature 75 °C vs 55 °C More than 35% higher Maximum operating temperature
Much more l2 cache per core 0.67 MB/core vs 0.5 MB/core Around 35% more l2 cache per core
Much better overclocked clock speed (Water) 4.04 GHz vs 3.4 GHz Around 20% better overclocked clock speed (Water)
Newer Dec, 2010 vs May, 2006 Release date over 4 years later

Benchmarks Real world tests of Athlon X2 4800+ vs II X3 455

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

Athlon X2 4800+
68.2 MB/s
Athlon II X3 455
132,800 MB/s

GeekBench (32-bit) Data courtesy Primate Labs

GeekBench (64-bit) Data courtesy Primate Labs

GeekBench

PassMark Data courtesy Passmark

PassMark (Single Core)

Specifications Full list of technical specs

summary

Athlon X2 4800+  vs
II X3 455 
Clock speed 2.5 GHz 3.3 GHz
Cores Dual core Tri core
Socket type
AM2
939
AM3
Is unlocked No No

features

Has a NX bit Yes Yes
Has virtualization support Yes Yes
Instruction set extensions
SSE4a
SSE2
MMX
SSE3
SSE
3DNow!
Supports dynamic frequency scaling Yes Yes

power consumption

TDP 65W 95W
Annual home energy cost 15.66 $/year 39.57 $/year
Annual commercial energy cost 56.94 $/year 113.88 $/year
Performance per watt 0.8 pt/W 1.11 pt/W
Typical power consumption 52.81W 113.47W

details

Athlon X2 4800+  vs
II X3 455 
Architecture x86-64 x86-64
Threads 2 3
L2 cache 1 MB 2 MB
L2 cache per core 0.5 MB/core 0.67 MB/core
L3 cache 0 MB 0.5 MB
L3 cache per core 0 MB/core 0.17 MB/core
Manufacture process 65 nm 45 nm
Max CPUs 1 1
Operating temperature Unknown - 55°C Unknown - 75°C

overclocking

Overclock popularity 13 4
Overclocked clock speed 2.75 GHz 3.96 GHz
Overclocked clock speed (Water) 3.4 GHz 4.04 GHz
Overclocked clock speed (Air) 2.75 GHz 3.96 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
AMD Athlon X2 4800+
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AMD Athlon II X3 455
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