CPUBoss Review Our evaluation of 4405U 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

No winner declared

Too close to call

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VS

Differences What are the advantages of each

Front view of Intel Pentium 4405U

Reasons to consider the
Intel Pentium 4405U

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Higher clock speed 2.1 GHz vs 1.7 GHz Around 25% higher clock speed
Significantly newer manufacturing process 14 nm vs 22 nm A newer manufacturing process allows for a more powerful, yet cooler running processor
Higher GPU clock speed 300 MHz vs 200 MHz 50% higher GPU clock speed
Better geekbench 3 single core score 2,119 vs 1,628 More than 30% better geekbench 3 single core score
Better geekbench 3 Multi-Core score 4,463 vs 3,389 More than 30% better geekbench 3 Multi-Core score
Newer Jul, 2015 vs Jul, 2013 Release date over 2 years later
Better overclocked clock speed (Air) 2.1 GHz vs 1.82 GHz More than 15% better overclocked clock speed (Air)
Better overclocked clock speed (Water) 2.1 GHz vs 1.7 GHz Around 25% better overclocked clock speed (Water)
Front view of Intel Core i3 4005U

Reasons to consider the
Intel Core i3 4005U

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Much better performance per watt 28.21 pt/W vs 7.23 pt/W Around 4x better performance per watt
Much better performance per dollar 1.54 pt/$ vs 0.67 pt/$ More than 2.2x better performance per dollar
More l3 cache per core 1.5 MB/core vs 1 MB/core 50% more l3 cache per core

Benchmarks Real world tests of Pentium 4405U vs Core i3 4005U

CompuBench 1.5 (Face detection)

Pentium 4405U
12.31 mPixels/s
Core i3 4005U
12.61 mPixels/s

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

Pentium 4405U
2,920 MB/s
Core i3 4005U
2,180,000 MB/s

PassMark Data courtesy Passmark

PassMark (Single Core)

Specifications Full list of technical specs

summary

Pentium 4405U  vs
Core i3 4005U 
Clock speed 2.1 GHz 1.7 GHz
Cores Dual core Dual core

features

Has a NX bit Yes Yes
Supports trusted computing No 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

power consumption

TDP 15W 15W
Annual home energy cost 3.61 $/year 3.61 $/year
Annual commercial energy cost 13.14 $/year 13.14 $/year
Performance per watt 7.23 pt/W 28.21 pt/W
Typical power consumption 12.19W 12.19W

bus

Architecture FSB DMI 2.0
Number of links 1 1
Transfer rate 4,000 MT/s 5,000 MT/s

details

Pentium 4405U  vs
Core i3 4005U 
Architecture x86-64 x86-64
Threads 4 4
L2 cache 0.5 MB 0.5 MB
L2 cache per core 0.25 MB/core 0.25 MB/core
L3 cache 2 MB 3 MB
L3 cache per core 1 MB/core 1.5 MB/core
Manufacture process 14 nm 22 nm
Max CPUs 1 1

overclocking

Overclocked clock speed 2.1 GHz 1.82 GHz
Overclocked clock speed (Water) 2.1 GHz 1.7 GHz
Overclocked clock speed (Air) 2.1 GHz 1.82 GHz

integrated graphics

GPU GPU GPU
Label Intel® HD Graphics 510 HD 4400 series
Number of displays supported 3 3
GPU clock speed 300 MHz 200 MHz
Turbo clock speed 950 MHz 950 MHz

memory controller

Memory controller Built-in Built-in
Memory type
DDR3-1866
LPDDR3-1600
DDR3
Channels Dual Channel Dual Channel
Supports ECC No No
Maximum bandwidth 29,866.66 MB/s 12,800 MB/s
Maximum memory size 32,768 MB 16,384 MB
Intel Pentium 4405U
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Intel Core i3 4005U
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