Intel Core i5-5257U vs Intel Core i7-870

Table of Contents

Physical Specifications

Socket Intel BGA 1168 Intel Socket 1156
Foundry Intel Intel
Process size 14 nm 45 nm
Transistors unknown 774 million
Die size unknown 296 mm²
Package FC-BGA1168 FC-LGA8
tCaseMax 105°C

Performance

Frequency 2.7 GHz 2.933 GHz
Turbo clock up to 3.1 GHz up to 3.6 GHz
Base clock 100 MHz 133 MHz
Multiplier 27.0x 22.0x
Multiplier unlocked No No
TDP 28 W 95 W
Voltage 1.4 V

Architecture Details

Vertical Segment Mobile Desktop
Production status Active End-of-life
Release date Mar 1st, 2015 Sep 8th, 2009
Codename Broadwell-U Lynnfield
Generation Core i5 Core i7
Part unknown SLBJG
Memory support DDR3 DDR3 Dual-channel
ECC memory No No
PCI Express Gen 2, 16 Lanes(CPU only)

Cores

Total Cores 2 4
Total Threads 4 8
SMP # CPUs 1 1
Integrated graphics Intel Iris 6100

Cache

Cache L1 64K (per core) 64K (per core)
Cache L2 256K (per core) 256K (per core)
Cache L3 3MB (shared) 8MB (shared)

Notes

Notes Intel HD frequency: 300-1050MHz

Features & Technologies

64-bit Yes
ADX Yes
EIST Yes Yes
HTT Yes Yes
Intel 64 Yes
MMX Yes Yes
PREFETCHW Yes
RDSEED Yes
SMT Yes
SSE Yes Yes
SSE2 Yes Yes
SSE3 Yes Yes
SSE4.1 Yes
SSE4.2 Yes Yes
SSSE3 Yes
Smart Cache Yes
TXT Yes
VT-x Yes Yes
XD bit Yes
XD-Bit Yes

Compare

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