Intel Core i7 4770HQ vs i5 5257U

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Intel Core i7 4770HQ

Intel Core i5 5257U

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Reasons to consider the
Intel Core i7 4770HQ

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Supports trusted computing

Yes

Somewhat common; Allows for safer, more reliable computing

Reasons to consider the
Intel Core i5 5257U

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CPUBoss is not aware of any important advantages of the Core i5 5257U vs the Core i7 4770HQ.

CompuBench 1.5 (Bitcoin mining) Data courtesy CompuBench

Core i7 4770HQ

30.51 mHash/s

Core i5 5257U

54.21 mHash/s

CompuBench 1.5 (Face detection)

Core i7 4770HQ

16.75 mPixels/s

Core i5 5257U

20.24 mPixels/s

CompuBench 1.5 (T-Rex) Data courtesy CompuBench

Core i7 4770HQ

-1 fps

Core i5 5257U

1.53 fps

GeekBench 3 (Multi-core) Data courtesy Primate Labs

Core i7 4770HQ

11,673

Core i5 5257U

6,222

GeekBench 3 (Single core) Data courtesy Primate Labs

Core i7 4770HQ

3,090

Core i5 5257U

2,960

GeekBench 3 (AES single core) Data courtesy Primate Labs

Core i7 4770HQ

4,070,000 MB/s

Core i5 5257U

3,910,000 MB/s

PassMark Data courtesy Passmark

Core i7 4770HQ

8,939

Core i5 5257U

4,389

PassMark (Single Core)

Core i7 4770HQ

1,901

Core i5 5257U

1,708

summary	Core i7 4770HQ	i5 5257U
Clock speed	2.2 GHz	2.7 GHz
Turbo clock speed	3.4 GHz	3.1 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
F16C
MMX
SSE4
AVX
SSE3
EM64T
SSE
SSE4.1
FMA3
SSE4.2
Supplemental SSE3
AES
AVX 2.0
Supports dynamic frequency scaling	Yes	Yes
power consumption
TDP	47W	28W
Annual home energy cost	11.32 $/year	6.75 $/year
Performance per watt	24.48 pt/W	37.62 pt/W
Typical power consumption	38.19W	22.75W
bus
Architecture	DMI 2.0	DMI 2.0
Number of links	1	1
Transfer rate	5,000 MT/s	5,000 MT/s

details	Core i7 4770HQ	i5 5257U
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	6 MB	3 MB
L3 cache per core	1.5 MB/core	1.5 MB/core
Manufacture process	22 nm	14 nm
Max CPUs	1	1
overclocking
Overclocked clock speed	3.54 GHz	3.1 GHz
Overclocked clock speed (Water)	3.4 GHz	2.7 GHz
Overclocked clock speed (Air)	3.54 GHz	3.1 GHz
integrated graphics
GPU	GPU	GPU
Label	Intel® Iris™ Pro Graphics 5200	Intel® Iris™ Graphics 6100
Number of displays supported	3	3
GPU clock speed	200 MHz	300 MHz
Turbo clock speed	1,200 MHz	1,050 MHz
memory controller
Memory controller	Built-in	Built-in
Memory type
DDR3-1600
DDR3
Channels	Dual Channel	Dual Channel
Maximum bandwidth	12,800 MB/s	25,600 MB/s
Maximum memory size	32,768 MB	16,384 MB

Intel Core i7 4770HQ

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Intel Core i5 5257U

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Intel Core i7 4770HQ vs i5 5257U