Intel Core i5 5257U 

Released January, 2015
  • 2.7 GHz
  • Dual core
9.3 Out of 10

CPUBoss Review Our evaluation of the Intel Core i5 5257U among laptop CPUs (over 15W)

Performance

Benchmark performance using all cores

Core i5 5257U
7.1
PCMark 8 Home 3.0 Accelerated, PassMark and 1 more

Single-core Performance

Individual core benchmark performance

Core i5 5257U
8.9
PassMark (Single Core), Geekbench 3 Single Core and 1 more

Integrated Graphics

Integrated GPU performance for graphics

Core i5 5257U
n.d.
Sky Diver and Cloud Gate

Integrated Graphics (OpenCL)

Integrated GPU performance for parallel computing

Core i5 5257U
9.4
CompuBench 1.5 Bitcoin mining and 4 more

Performance per Watt

How efficiently does the processor use electricity?

Core i5 5257U
8.1
Sky Diver, Cloud Gate, CompuBench 1.5 Bitcoin mining and 11 more

Value

Are you paying a premium for performance?

Core i5 5257U
7.7
Sky Diver, Cloud Gate, CompuBench 1.5 Bitcoin mining and 11 more

9.3

CPUBoss Score

Combination of all six facets

Core i5 5257U
9.3

Benchmarks Real world tests of the Intel Core i5 5257U

CompuBench 1.5 (Bitcoin mining) Data courtesy CompuBench

Core i5 5257U
54.21 mHash/s
Core i7 5557U
46.74 mHash/s
Core i5 5287U
51.22 mHash/s

CompuBench 1.5 (Face detection)

Core i5 5257U
20.24 mPixels/s
Core i7 5557U
25.7 mPixels/s

CompuBench 1.5 (T-Rex) Data courtesy CompuBench

Core i5 5257U
1.53 fps
Core i5 5287U
1.31 fps
Core i7 5557U
1.68 fps

GeekBench 3 (Multi-core) Data courtesy Primate Labs

Core i5 5257U
6,222

GeekBench 3 (Single core) Data courtesy Primate Labs

Core i5 5257U
2,960

GeekBench 3 (AES single core) Data courtesy Primate Labs

Core i5 5257U
3,910,000 MB/s
Core i7 5557U
4,160,000 MB/s
Core i5 5287U
4,120,000 MB/s

PassMark Data courtesy Passmark

Core i5 5257U
4,635

PassMark (Single Core)

Core i5 5257U
1,777

Specifications Full list of technical specs

summary

Clock speed 2.7 GHz
Turbo clock speed 3.1 GHz
Cores Dual core
Is unlocked No

features

Has a NX bit Yes
Supports trusted computing No
Has virtualization support Yes
Instruction set extensions
  1. MMX
  2. AES
  3. SSE
  4. SSE2
  5. SSE4.1
  6. SSE3
  7. Supplemental SSE3
  8. SSE4.2
  9. AVX 2.0
  10. AVX
  11. SSE4
Supports dynamic frequency scaling Yes

power consumption

TDP 28W
Annual home energy cost 6.75 $/year
Performance per watt 39.34 pt/W
Typical power consumption 22.75W

bus

Architecture DMI 2.0
Transfer rate 5,000 MT/s

details

Architecture x86-64
Threads 4 threads
L2 cache 0.5 MB
L2 cache per core 0.25 MB/core
L3 cache 3 MB
L3 cache per core 1.5 MB/core
Manufacture process 14 nm
Max CPUs 1

overclocking

Overclocked clock speed 3.1 GHz
Overclocked clock speed (Water) 2.7 GHz
Overclocked clock speed (Air) 3.1 GHz

integrated graphics

GPU GPU
Label Intel® Iris™ Graphics 6100
Number of displays supported 3
GPU clock speed 300 MHz
Turbo clock speed 1,050 MHz

memory controller

Memory controller Built-in
Memory type
  1. DDR3-1600
  2. DDR3
Channels Dual Channel
Maximum bandwidth 25,600 MB/s
Maximum memory size 16,384 MB
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