CPUBoss Review Our evaluation of 4500U vs 4200U

Performance

Benchmark performance using all cores

3DMark06 (CPU), Passmark, GeekBench (32-bit) and GeekBench (64-bit)

Single-core Performance

Individual core benchmark performance

Passmark (Single Core)

Power Consumption

How much power does the processor require?

TDP

Features

How does CPUBoss rank the features of each product?

Features and specifications that differ between products

CPUBoss Score

Performance, Single-core Performance, Power Consumption and Features

Winner
Intel Core i7 4500U 

CPUBoss recommends the Intel Core i7 4500U  based on its .

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VS

Intel Core i7 4500U

CPUBoss Winner
Front view of Intel Core i7 4500U

Differences What are the advantages of each

Front view of Intel Core i7 4500U

Reasons to consider the
Intel Core i7 4500U

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Higher turbo clock speed 3 GHz vs 2.6 GHz More than 15% higher turbo clock speed
Higher clock speed 1.8 GHz vs 1.6 GHz More than 10% higher clock speed
More l3 cache 4 MB vs 3 MB Around 35% more l3 cache; more data can be stored in the l3 cache for quick access later
Significantly better 3DMark11 physics score 5,480 vs 3,078.5 Around 80% better 3DMark11 physics score
Better turbo clock speed 1,100 MHz vs 1,000 MHz 10% better turbo clock speed
More l3 cache per core 2 MB/core vs 1.5 MB/core Around 35% more l3 cache per core
Better performance per watt 41.9 pt/W vs 27.17 pt/W Around 55% better performance per watt
Better 3DMark06 CPU score 3,494 vs 2,450 Around 45% better 3DMark06 CPU score
Better PassMark (Single core) score 1,596 vs 1,396 Around 15% better PassMark (Single core) score
Front view of Intel Core i5 4200U

Reasons to consider the
Intel Core i5 4200U

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CPUBoss is not aware of any important advantages of the Core i5 4200U vs the Core i7 4500U.

Benchmarks Real world tests of Core i7 4500U vs i5 4200U

3D Mark 11 (Physics)

On average I measured a 15% increase in the subset of game tests I was able to run in Taipei, and a 13% increase in performance across our 3DMark tests.
Core i7 4500U | by Anand-Lal-Shimpi (Jun, 2013)

3D Mark 06 (CPU)

Passmark

PCMark 7 and single-threaded Cinebench show a 3 - 6% increase in performance, while multithreaded Cinebench and x264 show a 3 - 5% decrease in performance.
Core i7 4500U | by Anand-Lal-Shimpi (Jun, 2013)

Passmark (Single Core)

Specifications Full list of technical specs

summary

Core i7 4500U  vs
i5 4200U 
Clock speed 1.8 GHz 1.6 GHz
Turbo clock speed 3 GHz 2.6 GHz
Cores Dual core Dual core
Is unlocked No No
Is hyperthreaded Yes Yes

features

Has a NX bit Yes Yes
Supports trusted computing No No
Has vitualization support Yes Yes
Instruction-set-extensions
MMX
SSE
SSE4.2
AVX
SSE3
SSE2
EM64T
Supplemental SSE3
SSE4.1
SSE4
AVX 2.0
AES
Supports dynamic frequency scaling Yes Yes

power consumption

TDP 15W 15W
Annual home energy cost 3.61 $/year 3.61 $/year
Performance per watt 41.9 pt/W 27.17 pt/W
Typical power consumption 12.19W 12.19W

bus

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

details

Core i7 4500U  vs
i5 4200U 
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 4 MB 3 MB
L3 cache per core 2 MB/core 1.5 MB/core
Manufacture process 22 nms 22 nms
Max CPUs 1 1
Operating temperature Unknown - 100°C Unknown - 100°C

gpu

GPU GPU GPU
Label Intel® HD Graphics 4400 Intel® HD Graphics 4400
Number of displays supported 3 3
GPU clock speed 200 MHz 200 MHz
Turbo clock speed 1,100 MHz 1,000 MHz

memory controller

Memory controller Built-in Built-in
Memory type
DDR3L-1333
DDR3L-1600
LPDDR3-1333
LPDDR3-1600
Channels Dual Channel Dual Channel
Supports ECC No No
Maximum bandwidth 12,800 MB/s 12,800 MB/s
Maximum memory size 16,384 MB 16,384 MB
Intel Core i7 4500U
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Intel Core i5 4200U
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Comments

Showing 10 comments.
I'm looking for some advice. Do people think it's worth it to spend $70 more to get the i7-4500U instead of the i5-4200U? I can get the Lenovo Z40 laptop with either one (through the Barnes & Noble gold discount) and it's $70 more for the i7-4500U.
Why in the world do you not compare the one very important point... price?? price-performance ratio would show a large jump in price for only moderate (minimal?) gain in performance.
when I bought a laptop with core i3 I thought the same about it "the best processor in my life" lol
my ultrabook K451L B Asus cpu is Core i7 4500u, but turbo clock speed is 2.4Ghz !! what can i do to improve turbo clock speed to 3Ghz ?
the i5 is the best i had of my life
I think the value of the items in the "memory controller" is wrong
no not worth it. 1MB L3 Cache (512k per core) is not worth $150. CPU speed is negligible. 300mhz difference won't make that much of a difference unless you're rendering/encoding by large quantities. In which case, you're better off getting a quad-core. Unlike desktop, where you pay $100 more for an i7, but you get better features such as hyperthreading. I think it is a marketing gimmick to call the 4500U a "i7". In the real world, it would be called an i5-4500U :p
This is the same question I had..
Are the I7 advantages worth $150 more in cost though? I don't think you will see much difference in real world applications.
Thanks - both these are options in the Dell XPS-12 Convertible
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