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Differences What are the advantages of each

Front view of Intel Core i5 450M

Reasons to consider the
Intel Core i5 450M

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Higher clock speed 2.4 GHz vs 1.8 GHz Around 35% higher clock speed
More advanced architecture x86-64 vs x86 A 64-bit architecture allows more RAM to be installed and accessed by the processor
Much better performance per dollar 11.69 pt/$ vs 1.51 pt/$ Around 7.8x better performance per dollar
Has virtualization support Yes vs No Somewhat common; Boosts performance of virtual machines
Significantly better geekbench 3 single core score 1,601 vs 429 Around 3.8x better geekbench 3 single core score
Significantly better overclocked clock speed (Air) 2.71 GHz vs 1.5 GHz More than 80% better overclocked clock speed (Air)
Better geekbench 3 Multi-Core score 3,387 vs 1,080 Around 3.2x better geekbench 3 Multi-Core score
Better geekbench 2 (32-bit) score 3,260 vs 1,041 Around 3.2x better geekbench 2 (32-bit) score
Supports more RAM 8,192 MB vs 2,048 MB Supports 4x more RAM
Significantly better overclocked clock speed (Water) 2.4 GHz vs 1.5 GHz 60% better overclocked clock speed (Water)
Front view of Intel Atom Z2760

Reasons to consider the
Intel Atom Z2760

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Much lower typical power consumption 1.63W vs 28.44W 17.5x lower typical power consumption
Newer Sep, 2012 vs Jun, 2010 Release date over 2 years later
Better performance per watt 30.92 pt/W vs 6.66 pt/W Around 4.8x better performance per watt
Slightly higher GPU clock speed 533 MHz vs 500 MHz More than 5% higher GPU clock speed
Much lower annual home energy cost 0.48 $/year vs 8.43 $/year 17.5x lower annual home energy cost

Benchmarks Real world tests of Core i5 450M vs Atom Z2760

GeekBench 3 (Multi-core) Data courtesy Primate Labs

Core i5 450M
3,387
Atom Z2760
1,080

GeekBench 3 (Single core) Data courtesy Primate Labs

GeekBench 3 (AES single core) Data courtesy Primate Labs

Core i5 450M
111,850 MB/s
Atom Z2760
28,500 MB/s

GeekBench (32-bit) Data courtesy Primate Labs

Core i5 450M
3,260
Atom Z2760
1,041

GeekBench

Core i5 450M
5,208
Atom Z2760
1,418

PassMark Data courtesy Passmark

Specifications Full list of technical specs

summary

Core i5 450M  vs
Atom Z2760 
Clock speed 2.4 GHz 1.8 GHz
Cores Dual core Dual core

features

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

power consumption

TDP 35W 2W
Annual home energy cost 8.43 $/year 0.48 $/year
Performance per watt 6.66 pt/W 30.92 pt/W
Typical power consumption 28.44W 1.63W

bus

Architecture DMI FSB
Number of links 1 1

details

Core i5 450M  vs
Atom Z2760 
Architecture x86-64 x86
Threads 4 4
L2 cache 1 MB 1 MB
L2 cache per core 0.5 MB/core 0.5 MB/core
Manufacture process 32 nm 32 nm
Max CPUs 1 1

overclocking

Overclocked clock speed 2.71 GHz 1.5 GHz
Overclocked clock speed (Water) 2.4 GHz 1.5 GHz
Overclocked clock speed (Air) 2.71 GHz 1.5 GHz

integrated graphics

GPU GPU GPU
Label Intel® HD Graphics Integrated
GPU clock speed 500 MHz 533 MHz

memory controller

Memory controller Built-in Built-in
Memory type
DDR3-1066
DDR3
DDR3-800
DDR2-800
DDR2
Channels Dual Channel Dual Channel
Supports ECC No No
Maximum bandwidth 17,066.66 MB/s 12,800 MB/s
Maximum memory size 8,192 MB 2,048 MB
Intel Core i5 450M
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Intel Atom Z2760
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