Intel Core i5-661 vs Intel Core i7-4650U

Table of Contents

Physical Specifications

Socket Intel Socket 1156 Intel BGA 1168
Foundry Intel Intel
Process size 32 nm 22 nm
Transistors 382 million 1,300 million
Die size 81 mm² 118 mm²
Package FC-LGA10 FC-BGA1168

Performance

Frequency 3.333 GHz 1700 MHz
Turbo clock up to 3.6 GHz up to 3.3 GHz
Base clock 133 MHz 100 MHz
Multiplier 25.0x 17.0x
Multiplier unlocked No No
Voltage 1.4 V
TDP 87 W 15 W

Architecture Details

Vertical Segment Desktop Mobile
Production status End-of-life unknown
Release date Jan 7th, 2010 Jun 4th, 2013
Codename Clarkdale Haswell-ULT
Generation Core i5 Core i7
Part SLBNESLBTB SR16H
Memory support DDR3 Dual-channel DDR3
ECC memory No No
PCI Express Gen 2, 16 Lanes(CPU only)

Cores

Total Cores 2 2
Total Threads 4 4
SMP # CPUs 1 1
Integrated graphics Intel HD Intel HD 5000

Cache

Cache L1 64K (per core) 64K (per core)
Cache L2 256K (per core) 256K (per core)
Cache L3 4MB (shared) 4MB (shared)

Features & Technologies

AES-NI Yes
AVX Yes
EIST Yes
HTT Yes Yes
Intel 64 Yes Yes
MMX Yes Yes
SSE Yes Yes
SSE2 Yes Yes
SSE3 Yes Yes
SSE4 Yes
SSE4.1 Yes
SSE4.2 Yes Yes
SSSE3 Yes Yes
TBT Yes
TXT Yes Yes
VT-d Yes Yes
VT-x Yes Yes
XD bit Yes
XD-Bit Yes

Compare

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