CPUBoss Review Our evaluation of 4405U vs 2617M 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

CPUBoss Score

Combination of all six facets

Winner
Intel Pentium 4405U 

CPUBoss recommends the Intel Pentium 4405U  based on its performance, power consumption and value.

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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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Much newer manufacturing process 14 nm vs 32 nm A newer manufacturing process allows for a more powerful, yet cooler running processor
Higher clock speed 2.1 GHz vs 1.5 GHz More than 40% higher clock speed
More number of displays supported 3 vs 2 1 more number of displays supported
Significantly better performance per dollar 0.68 pt/$ vs 0.35 pt/$ Around 95% better performance per dollar
Newer Jul, 2015 vs Feb, 2011 Release date over 4 years later
Better overclocked clock speed (Air) 2.1 GHz vs 1.5 GHz More than 40% better overclocked clock speed (Air)
Better performance per watt 7.25 pt/W vs 5.92 pt/W Around 25% better performance per watt
Better overclocked clock speed (Water) 2.1 GHz vs 1.5 GHz More than 40% better overclocked clock speed (Water)
Front view of Intel Core i7 2617M

Reasons to consider the
Intel Core i7 2617M

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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
Supports trusted computing Yes vs No Somewhat common; Allows for safer, more reliable computing
Significantly more l3 cache per core 2 MB/core vs 1 MB/core 2x more l3 cache per core
Slightly more l3 cache 4 MB vs 2 MB 2x more l3 cache; more data can be stored in the l3 cache for quick access later
More l2 cache per core 0.5 MB/core vs 0.25 MB/core 2x more l2 cache per core
Higher GPU clock speed 350 MHz vs 300 MHz More than 15% higher GPU clock speed
Slightly better geekbench 3 single core score 2,289.5 vs 2,119 Around 10% better geekbench 3 single core score

Benchmarks Real world tests of Pentium 4405U vs Core i7 2617M

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 i7 2617M
1,950 MB/s

PassMark Data courtesy Passmark

PassMark (Single Core)

Specifications Full list of technical specs

summary

Pentium 4405U  vs
Core i7 2617M 
Clock speed 2.1 GHz 1.5 GHz
Cores Dual core Dual core

features

Has a NX bit Yes Yes
Supports trusted computing No Yes
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 17W
Annual home energy cost 3.61 $/year 4.1 $/year
Annual commercial energy cost 13.14 $/year 14.89 $/year
Performance per watt 7.25 pt/W 5.92 pt/W
Typical power consumption 12.19W 13.81W

bus

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

details

Pentium 4405U  vs
Core i7 2617M 
Architecture x86-64 x86-64
Threads 4 4
L2 cache 0.5 MB 1 MB
L2 cache per core 0.25 MB/core 0.5 MB/core
L3 cache 2 MB 4 MB
L3 cache per core 1 MB/core 2 MB/core
Manufacture process 14 nm 32 nm
Max CPUs 1 1

overclocking

Overclocked clock speed 2.1 GHz 1.5 GHz
Overclocked clock speed (Water) 2.1 GHz 1.5 GHz
Overclocked clock speed (Air) 2.1 GHz 1.5 GHz

integrated graphics

GPU GPU GPU
Label Intel® HD Graphics 510 Intel® HD Graphics 3000
Number of displays supported 3 2
GPU clock speed 300 MHz 350 MHz
Turbo clock speed 950 MHz 950 MHz

memory controller

Memory controller Built-in Built-in
Memory type
DDR3-1866
DDR3-1333
DDR3-1066
DDR3
LPDDR3-1600
Channels Dual Channel Dual Channel
Supports ECC No No
Maximum bandwidth 29,866.66 MB/s 21,333.32 MB/s
Maximum memory size 32,768 MB 8,202.24 MB
Intel Pentium 4405U
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Intel Core i7 2617M
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