CPUBoss Review Our evaluation of 4770HQ vs 5257U among laptop CPUs (over 15W)

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

9

CPUBoss Score

Combination of all six facets

Winner
Intel Core i5 5257U 

CPUBoss recommends the Intel Core i5 5257U  based on its performance, power consumption and value.

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

Differences What are the advantages of each

Front view of Intel Core i7 4770HQ

Reasons to consider the
Intel Core i7 4770HQ

Report a correction
Much better geekbench 2 (32-bit) score 11,068 vs 5,956 More than 85% better geekbench 2 (32-bit) score
Much more l3 cache 6 MB vs 3 MB 2x more l3 cache; more data can be stored in the l3 cache for quick access later
Significantly higher turbo clock speed 3.4 GHz vs 3.1 GHz Around 10% higher turbo clock speed
More threads 8 vs 4 Twice as many threads
Much better PassMark score 9,043 vs 4,635 More than 95% better PassMark score
More cores 4 vs 2 Twice as many cores; run more applications at once
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 more RAM 32,768 MB vs 16,384 MB Supports 2x more RAM
Better turbo clock speed 1,200 MHz vs 1,050 MHz Around 15% better turbo clock speed
Supports trusted computing Yes vs No Somewhat common; Allows for safer, more reliable computing
Better overclocked clock speed (Air) 3.4 GHz vs 3.1 GHz Around 10% better overclocked clock speed (Air)
Significantly better overclocked clock speed (Water) 3.4 GHz vs 2.7 GHz More than 25% better overclocked clock speed (Water)
Front view of Intel Core i5 5257U

Reasons to consider the
Intel Core i5 5257U

Report a correction
Newer Jan, 2015 vs Jul, 2014 Release date 6 months later
Significantly higher clock speed 2.7 GHz vs 2.2 GHz Around 25% higher clock speed
Much better 3DMark06 CPU score 4,190 vs 41.2 Around 101.8x better 3DMark06 CPU score
Significantly newer manufacturing process 14 nm vs 22 nm A newer manufacturing process allows for a more powerful, yet cooler running processor
Much lower typical power consumption 22.75W vs 38.19W More than 40% lower typical power consumption
Higher GPU clock speed 300 MHz vs 200 MHz 50% higher GPU clock speed
Slightly better CompuBench 1.5 video composition score 17.93 fps vs 16.37 fps Around 10% better CompuBench 1.5 video composition score
Better performance per dollar 3.49 pt/$ vs 2.71 pt/$ Around 30% better performance per dollar
Much lower annual home energy cost 6.75 $/year vs 11.32 $/year More than 40% lower annual home energy cost
Better performance per watt 39.29 pt/W vs 25.03 pt/W More than 55% better performance per watt

Benchmarks Real world tests of Core i7 4770HQ vs i5 5257U

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
16.34 mPixels/s
Core i5 5257U
20.24 mPixels/s

CompuBench 1.5 (T-Rex) Data courtesy CompuBench

Core i5 5257U
1.53 fps

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

Core i7 4770HQ
4,070,000 MB/s
Core i5 5257U
3,910,000 MB/s

PassMark Data courtesy Passmark

PassMark (Single Core)

Specifications Full list of technical specs

summary

Core i7 4770HQ  vs
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 25.03 pt/W 39.29 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  vs
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 3.4 GHz 3.1 GHz
Overclocked clock speed (Water) 3.4 GHz 2.7 GHz
Overclocked clock speed (Air) 3.4 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
Report a correction
Intel Core i5 5257U
Report a correction

Comments

comments powered by Disqus