CPUBoss Review Our evaluation of 870 vs 4550U among all CPUs

Performance

Benchmark performance using all cores

PCMark 8 Home 3.0 Accelerated, PassMark and 1 more

Single-core Performance

Individual core benchmark performance

PassMark (Single Core), Geekbench 3 Single Core and 1 more

Integrated Graphics

Integrated GPU performance for graphics

Sky Diver and Cloud Gate

Integrated Graphics (OpenCL)

Integrated GPU performance for parallel computing

CompuBench 1.5 Bitcoin mining and 4 more

Performance per Watt

How efficiently does the processor use electricity?

Sky Diver, Cloud Gate, CompuBench 1.5 Bitcoin mining and 11 more

Value

Are you paying a premium for performance?

Sky Diver, Cloud Gate, CompuBench 1.5 Bitcoin mining and 11 more

8.5

CPUBoss Score

Combination of all six facets

Winner
Intel Core i7 4550U 

CPUBoss recommends the Intel Core i7 4550U  based on its single-core performance, power consumption and value.

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VS
Front view of Intel Core i7 4550U

Intel Core i7 4550U

CPUBoss Winner

Differences What are the advantages of each

Front view of Intel Core i7 870

Reasons to consider the
Intel Core i7 870

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Much higher clock speed 2.93 GHz vs 1.5 GHz More than 95% higher clock speed
Higher turbo clock speed 3.6 GHz vs 3 GHz More than 20% higher turbo clock speed
Much better overclocked clock speed (Air) 4.1 GHz vs 1.5 GHz Around 2.8x better overclocked clock speed (Air)
More l3 cache 8 MB vs 4 MB 2x more l3 cache; more data can be stored in the l3 cache for quick access later
Supports trusted computing Yes vs No Somewhat common; Allows for safer, more reliable computing
More cores 4 vs 2 Twice as many cores; run more applications at once
More threads 8 vs 4 Twice as many threads
Much better overclocked clock speed (Water) 4.28 GHz vs 1.5 GHz More than 2.8x better overclocked clock speed (Water)
Better PassMark score 5,398 vs 3,807 More than 40% better PassMark score
Front view of Intel Core i7 4550U

Reasons to consider the
Intel Core i7 4550U

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Much better performance per watt 54.38 pt/W vs 1.11 pt/W More than 48.8x better performance per watt
Much newer manufacturing process 22 nm vs 45 nm A newer manufacturing process allows for a more powerful, yet cooler running processor
Much lower typical power consumption 12.19W vs 121W 9.9x lower typical power consumption
Has a built-in GPU Yes vs No Somewhat common; A separate graphics adapter is not required
Much better performance per dollar 1.91 pt/$ vs 0.66 pt/$ Around 3x better performance per dollar
Much higher Maximum operating temperature 100 °C vs 72.7 °C Around 40% higher Maximum operating temperature
Much lower annual home energy cost 3.61 $/year vs 42.57 $/year 11.8x lower annual home energy cost
Much lower annual commercial energy cost 13.14 $/year vs 120.89 $/year 9.2x lower annual commercial energy cost
Newer Jul, 2013 vs Jul, 2009 Release date over 4 years later
More l2 cache per core 0.5 MB/core vs 0.25 MB/core 2x more l2 cache per core
Better PassMark (Single core) score 1,568 vs 1,300 More than 20% better PassMark (Single core) score

Benchmarks Real world tests of Core i7 870 vs 4550U

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 870
142,100 MB/s
Core i7 4550U
2,970,000 MB/s

PassMark Data courtesy Passmark

PassMark (Single Core)

Specifications Full list of technical specs

summary

Core i7 870  vs
4550U 
Clock speed 2.93 GHz 1.5 GHz
Turbo clock speed 3.6 GHz 3 GHz
Cores Quad core Dual core
Is unlocked No No

features

Has a NX bit Yes Yes
Supports trusted computing Yes No
Has virtualization support Yes Yes
Instruction set extensions
SSE2
MMX
SSE4
AVX
SSE3
SSE
SSE4.1
SSE4.2
Supplemental SSE3
AES
AVX 2.0
Supports dynamic frequency scaling Yes Yes

power consumption

TDP 95W 15W
Annual home energy cost 42.57 $/year 3.61 $/year
Annual commercial energy cost 120.89 $/year 13.14 $/year
Performance per watt 1.11 pt/W 54.38 pt/W
Typical power consumption 121W 12.19W

bus

Architecture DMI DMI 2.0
Number of links 1 1
Transfer rate 2,500 MT/s 5,000 MT/s

details

Core i7 870  vs
4550U 
Architecture x86-64 x86-64
Threads 8 4
L2 cache 1 MB 1 MB
L2 cache per core 0.25 MB/core 0.5 MB/core
L3 cache 8 MB 4 MB
L3 cache per core 2 MB/core 2 MB/core
Manufacture process 45 nm 22 nm
Max CPUs 1 1
Operating temperature Unknown - 72.7°C Unknown - 100°C

overclocking

Overclocked clock speed 4.1 GHz 1.5 GHz
Overclocked clock speed (Water) 4.28 GHz 1.5 GHz
Overclocked clock speed (Air) 4.1 GHz 1.5 GHz

integrated graphics

GPU None GPU
Label N/A Intel® HD Graphics 5000
Number of displays supported N/A 3
GPU clock speed N/A 200 MHz
Turbo clock speed N/A 1,100 MHz

memory controller

Memory controller Built-in Built-in
Memory type
DDR3-1600
DDR3-1333
DDR3-1066
DDR3
Channels Dual Channel Dual Channel
Supports ECC No No
Maximum bandwidth 21,333.32 MB/s 25,600 MB/s
Maximum memory size 16,384 MB 16,384 MB
Intel Core i7 870
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Intel Core i7 4550U
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