Intel Core i7-7660U vs Intel Core i7-5650U

Head-to-head processor comparison

Aggregated Scores

Combined benchmark scores for both processors


Overall Score

Out of 2,060 results in the database

5,115

Rank #778

vs
4,895

Rank #955

5,115
4,895

Core i7-7660U wins by 4.3% (Rank #778 vs #955)

Singlecore Score

Out of 2,060 results in the database

5,471

Rank #575

vs
5,141

Rank #856

5,471
5,141

Core i7-7660U wins by 6% (Rank #575 vs #856)

Multicore Score

Out of 2,060 results in the database

4,580

Rank #1,116

vs
4,526

Rank #1,182

4,580
4,526

Core i7-7660U wins by 1.2% (Rank #1116 vs #1182)

Number Crunching

Out of 1,771 results in the database

4,579

Rank #1,032

vs
4,550

Rank #1,167

4,579
4,550

Core i7-7660U wins by 0.6% (Rank #1032 vs #1167)

Data Processing

Out of 1,771 results in the database

4,552

Rank #1,047

vs
4,524

Rank #1,192

4,552
4,524

Core i7-7660U wins by 0.6% (Rank #1047 vs #1192)

Physics & Compute

Out of 1,771 results in the database

4,625

Rank #896

vs
4,554

Rank #1,090

4,625
4,554

Core i7-7660U wins by 1.5% (Rank #896 vs #1090)


Specifications

Side-by-side comparison of key specifications


Specification Core i7-7660U Core i7-5650U Diff
Cores
2
2
0%
Threads
4
4
0%
Base Frequency
2,500 MHz
2,200 MHz
+12%
Turbo Frequency (1 core)
4,000 MHz
--
Clock Multiplier
25x
22x
+12%
L1 Cache
128 KB
62 KB
+51.2%
L2 Cache
1 MiB
0 MiB
+51.2%
L3 Cache
4 MiB
4 MiB
+4.6%
Memory Channels
2
2
0%
Maximum Memory
32 GB
0 GB
+100%
Max Bandwidth
32 GB/s
26 GB/s
+19.5%
PCIe Lanes --
12
Max CPUs
1
1
0%
TDP (lower is better)
15 W
15 W
0%
Process (lower is better)
14 nm
14 nm
0%

General Information

Specification Core i7-7660U Core i7-5650U
Designer Intel Intel
Family Core --
Series i7-7600 --
Model Number i7-7660U i7-5650U
Microarchitecture Kaby Lake --
Core Name Kaby Lake U Broadwell-U
Core Family 6 --
Core Model 142 --
Socket -- FCBGA1168
Package FCBGA-1356 FC-BGA1168
Memory Type LPDDR3-1866 DDR3L-1600 and DDR4-2133 DDR3L 1333/1600, LPDDR3 1600/1866
ECC Support No No
PCIe Revision -- 2.0
PCIe Configuration -- 4x1, 2x4
Market Segment Mobile Mobile
Release Price $415.00 --
Locked Multiplier Yes Yes

Designer

Core i7-7660U
Intel
Core i7-5650U
Intel

Family

Core i7-7660U
Core
Core i7-5650U
--

Series

Core i7-7660U
i7-7600
Core i7-5650U
--

Model Number

Core i7-7660U
i7-7660U
Core i7-5650U
i7-5650U

Microarchitecture

Core i7-7660U
Kaby Lake
Core i7-5650U
--

Core Name

Core i7-7660U
Kaby Lake U
Core i7-5650U
Broadwell-U

Core Family

Core i7-7660U
6
Core i7-5650U
--

Core Model

Core i7-7660U
142
Core i7-5650U
--

Socket

Core i7-7660U
--
Core i7-5650U
FCBGA1168

Package

Core i7-7660U
FCBGA-1356
Core i7-5650U
FC-BGA1168

Memory Type

Core i7-7660U
LPDDR3-1866 DDR3L-1600 and DDR4-2133
Core i7-5650U
DDR3L 1333/1600, LPDDR3 1600/1866

ECC Support

Core i7-7660U
No
Core i7-5650U
No

PCIe Revision

Core i7-7660U
--
Core i7-5650U
2.0

PCIe Configuration

Core i7-7660U
--
Core i7-5650U
4x1, 2x4

Market Segment

Core i7-7660U
Mobile
Core i7-5650U
Mobile

Release Price

Core i7-7660U
$415.00
Core i7-5650U
--

Locked Multiplier

Core i7-7660U
Yes
Core i7-5650U
Yes

Physical Specifications

Manufacturing process and die characteristics


Specification Core i7-7660U Core i7-5650U
Process 14 nm 14 nm
Die Area -- 133 mm²
Transistor Count -- 1,900
Manufacturer Intel Intel
Technology CMOS --
Word Size 64-bit 64-bit
ISA x86-64 (x86) --

Process

Core i7-7660U
14 nm
Core i7-5650U
14 nm

Die Area

Core i7-7660U
--
Core i7-5650U
133 mm²

Transistor Count

Core i7-7660U
--
Core i7-5650U
1,900

Manufacturer

Core i7-7660U
Intel
Core i7-5650U
Intel

Technology

Core i7-7660U
CMOS
Core i7-5650U
--

Word Size

Core i7-7660U
64-bit
Core i7-5650U
64-bit

ISA

Core i7-7660U
x86-64 (x86)
Core i7-5650U
--

Integrated Graphics

Integrated GPU specifications comparison


Specification Core i7-7660U Core i7-5650U
GPU Iris Plus Graphics 640 HD Graphics 6000
GPU Designer Intel Intel
GPU Max Frequency 1100 MHz 1000 MHz
Execution Units 48 --

GPU

Core i7-7660U
Iris Plus Graphics 640
Core i7-5650U
HD Graphics 6000

GPU Designer

Core i7-7660U
Intel
Core i7-5650U
Intel

GPU Max Frequency

Core i7-7660U
1100 MHz
Core i7-5650U
1000 MHz

Execution Units

Core i7-7660U
48
Core i7-5650U
--

CPU Extensions

Supported instruction set extensions comparison


Extension Core i7-7660U Core i7-5650U
ABM
ADX
AES
AVX
AVX2
BMI1
BMI2
CLMUL
EIST
EMMX
EPT
F16C
FMA
FMA3
FPU
Flex Memory
HT
IPT
ISRT
MMX
MPX
MWT
NX
Protected
RdRand
Real
SBA
SGX
SIPP
SMEP
SMM
SSE
SSE2
SSE3
SSE4.1
SSE4.2
SSSE3
SST
Secure Key
TBT 2.0
TSX
TXT
VT-d
VT-x
vPro
x86-16
x86-32
x86-64