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Differences What are the advantages of each

Front view of Intel Celeron 847

Reasons to consider the
Intel Celeron 847

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Has a built-in GPU Yes vs No Somewhat common; A separate graphics adapter is not required
Front view of Intel Atom Z520

Reasons to consider the
Intel Atom Z520

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CPUBoss is not aware of any important advantages of the Atom Z520 vs the Celeron 847.

Benchmarks Real world tests of Celeron 847 vs Atom Z520

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

Celeron 847
54,500 MB/s
Atom Z520
20,550 MB/s

GeekBench (32-bit) Data courtesy Primate Labs

GeekBench

3D Mark 06 (CPU)

PassMark Data courtesy Passmark

PassMark (Single Core)

Specifications Full list of technical specs

summary

Celeron 847  vs
Atom Z520 
Clock speed 1.1 GHz 1.33 GHz
Cores Dual core Single core
Socket type
BGA 1023
441

features

Has a NX bit Yes Yes
Supports trusted computing No No
Has virtualization support Yes Yes
Instruction set extensions
SSE2
MMX
SSE4
SSE3
SSE
SSE4.1
SSE4.2
Supplemental SSE3
Supports dynamic frequency scaling Yes Yes

power consumption

TDP 17W 2W
Annual home energy cost 4.1 $/year 0.48 $/year
Performance per watt 3.23 pt/W 10.05 pt/W
Typical power consumption 13.81W 1.63W

details

Celeron 847  vs
Atom Z520 
Architecture x86-64 x86
Threads 2 2
L2 cache 1 MB 0.5 MB
L2 cache per core 0.5 MB/core 0.5 MB/core
Manufacture process 32 nm 45 nm
Max CPUs 1 1
Clock multiplier 11 10

overclocking

Overclocked clock speed 1.1 GHz 1.6 GHz
Overclocked clock speed (Water) 1.1 GHz 1.33 GHz
Overclocked clock speed (Air) 1.1 GHz 1.6 GHz

integrated graphics

GPU GPU None
Number of displays supported 2 N/A
GPU clock speed 350 MHz N/A
Turbo clock speed 800 MHz N/A

bus

Architecture DMI FSB
Number of links 1 1
Intel Celeron 847
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Intel Atom Z520
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