CPUBoss Review Our evaluation of 870S vs 4005U 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

8.1

CPUBoss Score

Combination of all six facets

Winner
Intel Core i7 870S 

CPUBoss recommends the Intel Core i7 870S  based on its performance and single-core performance.

See full details

Cast your vote Do you agree or disagree with CPUBoss?

Thanks for adding your opinion. Follow us on Facebook to stay up to date with the latest news!
VS

Intel Core i7 870S

CPUBoss Winner
Front view of Intel Core i7 870S

Differences What are the advantages of each

Front view of Intel Core i7 870S

Reasons to consider the
Intel Core i7 870S

Report a correction
Significantly higher clock speed 2.66 GHz vs 1.7 GHz More than 55% higher clock speed
More l2 cache 1 MB vs 0.5 MB 2x more l2 cache; more data can be stored in the l2 cache for quick access later
More l3 cache 8 MB vs 3 MB Around 2.8x 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
Better PassMark (Single core) score 1,344 vs 952 More than 40% better PassMark (Single core) score
More threads 8 vs 4 Twice as many threads
Better PassMark score 4,969 vs 2,457 More than 2x better PassMark score
More l3 cache per core 2 MB/core vs 1.5 MB/core Around 35% more l3 cache per core
Front view of Intel Core i3 4005U

Reasons to consider the
Intel Core i3 4005U

Report a correction
Much newer manufacturing process 22 nm vs 45 nm A newer manufacturing process allows for a more powerful, yet cooler running processor
Much better performance per watt 28.25 pt/W vs 2.16 pt/W More than 13x better performance per watt
Has a built-in GPU Yes vs No Somewhat common; A separate graphics adapter is not required
Much lower typical power consumption 12.19W vs 66.63W 5.5x lower typical power consumption
Much better performance per dollar 1.54 pt/$ vs 0.5 pt/$ More than 3x better performance per dollar
Newer Jul, 2013 vs Jul, 2010 Release date over 2 years later
Much lower annual home energy cost 3.61 $/year vs 19.75 $/year 5.5x lower annual home energy cost
Much lower annual commercial energy cost 13.14 $/year vs 71.83 $/year 5.5x lower annual commercial energy cost

Benchmarks Real world tests of Core i7 870S vs i3 4005U

PassMark Data courtesy Passmark

PassMark (Single Core)

Specifications Full list of technical specs

summary

Core i7 870S  vs
i3 4005U 
Clock speed 2.66 GHz 1.7 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
Supports dynamic frequency scaling Yes Yes

memory controller

Memory controller Built-in Built-in
Memory type
DDR3-1333
DDR3-1066
DDR3
Channels Dual Channel Dual Channel
Supports ECC No No
Maximum bandwidth 21,333.32 MB/s 12,800 MB/s
Maximum memory size 16,384 MB 16,384 MB

details

Core i7 870S  vs
i3 4005U 
Architecture x86-64 x86-64
Threads 8 4
L2 cache 1 MB 0.5 MB
L2 cache per core 0.25 MB/core 0.25 MB/core
L3 cache 8 MB 3 MB
L3 cache per core 2 MB/core 1.5 MB/core
Manufacture process 45 nm 22 nm
Max CPUs 1 1
Clock multiplier 20 17

integrated graphics

GPU None GPU
Label N/A HD 4400 series
Number of displays supported N/A 3
GPU clock speed N/A 200 MHz
Turbo clock speed N/A 950 MHz

power consumption

TDP 82W 15W
Annual home energy cost 19.75 $/year 3.61 $/year
Annual commercial energy cost 71.83 $/year 13.14 $/year
Performance per watt 2.16 pt/W 28.25 pt/W
Typical power consumption 66.63W 12.19W

bus

Architecture DMI DMI 2.0
Number of links 1 1
Transfer rate 2,500 MT/s 5,000 MT/s
Intel Core i7 870S
Report a correction
Intel Core i3 4005U
Report a correction

Comments

comments powered by Disqus