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Intel Core i7 2637M

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Front view of Intel Core i7 2637M

Differences What are the advantages of each

Front view of Intel Core i7 2637M

Reasons to consider the
Intel Core i7 2637M

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Higher turbo clock speed 2.8 GHz vs 2.24 GHz Around 25% higher turbo clock speed
Supports dynamic frequency scaling Yes vs No Somewhat common; Allows for maximum performance when needed, while conserving power and minimizing heat production when not needed
Much better 3DMark06 CPU score 36.4 vs 13.8 Around 2.8x better 3DMark06 CPU score
Higher clock speed 1.7 GHz vs 1.44 GHz Around 20% higher clock speed
Significantly better geekbench 3 single core score 2,021 vs 890 More than 2.2x better geekbench 3 single core score
Higher GPU clock speed 350 MHz vs 200 MHz 75% higher GPU clock speed
Better geekbench 3 Multi-Core score 4,199 vs 2,882 More than 45% better geekbench 3 Multi-Core score
Better overclocked clock speed (Air) 2.58 GHz vs 2.24 GHz More than 15% better overclocked clock speed (Air)
Better overclocked clock speed (Water) 1.7 GHz vs 1.44 GHz Around 20% better overclocked clock speed (Water)
Front view of Intel Atom x5 x5-Z8500

Reasons to consider the
Intel Atom x5 x5-Z8500

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Significantly 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 newer manufacturing process 14 nm vs 32 nm A newer manufacturing process allows for a more powerful, yet cooler running processor
More number of displays supported 3 vs 2 1 more number of displays supported
Newer Jan, 2015 vs Jun, 2011 Release date over 3 years later
More cores 4 vs 2 Twice as many cores; run more applications at once

Benchmarks Real world tests of Core i7 2637M vs Atom x5 x5-Z8500

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 i7 2637M
1,740,000 MB/s
Atom x5 x5-Z8500
362.8 MB/s

3D Mark 06 (CPU)

PassMark Data courtesy Passmark

PassMark (Single Core)

Specifications Full list of technical specs

summary

Core i7 2637M  vs
Atom x5 x5-Z8500 
Clock speed 1.7 GHz 1.44 GHz
Turbo clock speed 2.8 GHz 2.24 GHz
Cores Dual core Quad core

features

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

power consumption

Typical power consumption 13.81W N/A

bus

Architecture DMI FSB
Number of links 1 1

details

Core i7 2637M  vs
Atom x5 x5-Z8500 
Architecture x86-64 x86-64
Threads 4 4
L2 cache 1 MB 2 MB
L2 cache per core 0.5 MB/core 0.5 MB/core
Manufacture process 32 nm 14 nm
Max CPUs 1 1

overclocking

Overclocked clock speed 2.58 GHz 2.24 GHz
Overclocked clock speed (Water) 1.7 GHz 1.44 GHz
Overclocked clock speed (Air) 2.58 GHz 2.24 GHz

integrated graphics

GPU GPU GPU
Label Intel® HD Graphics 3000 Intel® HD Graphics
Number of displays supported 2 3
GPU clock speed 350 MHz 200 MHz

memory controller

Memory controller Built-in Built-in
Memory type
DDR3-1333
DDR3-1066
DDR3
Channels Dual Channel Dual Channel
Maximum bandwidth 21,333.32 MB/s 12,800 MB/s
Maximum memory size 8,202.24 MB 8,192 MB
Intel Core i7 2637M
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Intel Atom x5 x5-Z8500
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