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Differences What are the advantages of each

Front view of AMD Phenom II X6 Black 1100T

Reasons to consider the
AMD Phenom II X6 Black 1100T

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CPUBoss is not aware of any important advantages of the Phenom II X6 Black 1100T vs the Phenom II X4 840T.

Front view of AMD Phenom II X4 840T

Reasons to consider the
AMD Phenom II X4 840T

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CPUBoss is not aware of any important advantages of the Phenom II X4 840T vs the Phenom II X6 Black 1100T.

Benchmarks Real world tests of Phenom II X6 Black 1100T vs X4 840T

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

Phenom II X4 840T
120,800 MB/s

GeekBench (32-bit) Data courtesy Primate Labs

PassMark Data courtesy Passmark

PassMark (Single Core)

Specifications Full list of technical specs

summary

Phenom II X6 Black 1100T  vs
X4 840T 
Clock speed 3.3 GHz 2.9 GHz
Cores Hexa core Quad core

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

bus

Clock speed 2,000 MHz 2,000 MHz

details

Phenom II X6 Black 1100T  vs
X4 840T 
Threads 6 4
L2 cache 3 MB 2 MB
L2 cache per core 0.5 MB/core 0.5 MB/core
L3 cache 6 MB 6 MB
L3 cache per core 1 MB/core 1.5 MB/core
Manufacture process 45 nm 45 nm
Max CPUs 1 1

overclocking

Overclocked clock speed 4.07 GHz 3.8 GHz
Overclocked clock speed (Water) 4.14 GHz 2.9 GHz
PassMark (Overclocked) 2,532.3 3,039.3
Overclocked clock speed (Air) 4.07 GHz 3.8 GHz

power consumption

TDP 125W 95W
Annual home energy cost 47.78 $/year 22.89 $/year
Annual commercial energy cost 138.23 $/year 83.22 $/year
Performance per watt 1.3 pt/W 1.55 pt/W
Typical power consumption N/A 77.19W
AMD Phenom II X6 Black 1100T
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AMD Phenom II X4 840T
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