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Differences What are the advantages of each

Front view of Intel Pentium 987

Reasons to consider the
Intel Pentium 987

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CPUBoss is not aware of any important advantages of the Pentium 987 vs the Core i7 620UM.

Front view of Intel Core i7 620UM

Reasons to consider the
Intel Core i7 620UM

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Supports trusted computing Yes vs No Somewhat common; Allows for safer, more reliable computing
Has virtualization support Yes vs No Somewhat common; Boosts performance of virtual machines

Benchmarks Real world tests of Pentium 987 vs Core i7 620UM

PassMark Data courtesy Passmark

PassMark (Single Core)

Specifications Full list of technical specs

summary

Pentium 987  vs
Core i7 620UM 
Clock speed 1.5 GHz 1.06 GHz
Cores Dual core Dual core
Socket type
BGA 1023
BGA 1288

features

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

power consumption

TDP 17W 18W
Annual home energy cost 4.1 $/year 4.34 $/year
Performance per watt 4.49 pt/W 3.34 pt/W
Typical power consumption 13.81W 14.63W

bus

Architecture DMI DMI
Number of links 1 1
Transfer rate 5,000 MT/s 2,500 MT/s

details

Pentium 987  vs
Core i7 620UM 
Architecture x86-64 x86-64
Threads 2 4
L2 cache 1 MB 1 MB
L2 cache per core 0.5 MB/core 0.5 MB/core
L3 cache 2 MB 4 MB
L3 cache per core 1 MB/core 2 MB/core
Manufacture process 32 nm 32 nm
Max CPUs 1 1
Clock multiplier 15 8

overclocking

Overclocked clock speed 1.5 GHz 2.13 GHz
Overclocked clock speed (Water) 1.5 GHz 1.07 GHz
Overclocked clock speed (Air) 1.5 GHz 2.13 GHz

integrated graphics

GPU GPU GPU
Label Intel® HD Graphics Intel® HD Graphics
Number of displays supported 2 2
GPU clock speed 350 MHz 166 MHz
Turbo clock speed 1,000 MHz 500 MHz

memory controller

Memory controller Built-in Built-in
Memory type
DDR3-1333
DDR3-1066
DDR3
DDR3-800
Channels Dual Channel Dual Channel
Supports ECC No No
Maximum bandwidth 21,333.32 MB/s 12,800 MB/s
Maximum memory size 16,773.12 MB 8,192 MB
Intel Pentium 987
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Intel Core i7 620UM
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