CPUBoss Review Our evaluation of 3687U vs 3667U 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

No winner declared

Too close to call

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VS

Differences What are the advantages of each

Front view of Intel Core i7 3687U

Reasons to consider the
Intel Core i7 3687U

Report a correction

CPUBoss is not aware of any important advantages of the 3687U vs the 3667U.

Front view of Intel Core i7 3667U

Reasons to consider the
Intel Core i7 3667U

Report a correction

CPUBoss is not aware of any important advantages of the 3667U vs the 3687U.

Benchmarks Real world tests of Core i7 3687U vs 3667U

CompuBench 1.5 (Ocean surface simulation) Data courtesy CompuBench

Core i7 3687U
3.75 fps
Core i7 3667U
98.04 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 3687U
2,155,000 MB/s
Core i7 3667U
2,160,000 MB/s

GeekBench (32-bit) Data courtesy Primate Labs

GeekBench

PassMark Data courtesy Passmark

PassMark (Single Core)

Specifications Full list of technical specs

summary

Core i7 3687U  vs
3667U 
Clock speed 2.1 GHz 2 GHz
Turbo clock speed 3.3 GHz 3.2 GHz
Cores Dual core Dual core
Socket type
BGA 1023
Is unlocked No No

features

Has a NX bit Yes Yes
Supports trusted computing Yes Yes
Has virtualization support Yes Yes
Instruction set extensions
SSE2
MMX
SSE4
AVX
SSE3
SSE
SSE4.1
SSE4.2
Supplemental SSE3
AES
Supports dynamic frequency scaling Yes Yes

power consumption

TDP 17W 17W
Annual home energy cost 4.1 $/year 4.1 $/year
Performance per watt 45.76 pt/W 25 pt/W
Typical power consumption 13.81W 13.81W

bus

Architecture DMI DMI
Number of links 1 1
Transfer rate 5,000 MT/s 5,000 MT/s

details

Core i7 3687U  vs
3667U 
Architecture x86-64 x86-64
Threads 4 4
L2 cache 1 MB 0.5 MB
L2 cache per core 0.5 MB/core 0.25 MB/core
L3 cache 4 MB 4 MB
L3 cache per core 2 MB/core 2 MB/core
Manufacture process 22 nm 22 nm
Max CPUs 1 1
Clock multiplier 21 20
Operating temperature Unknown - 105°C Unknown - 105°C

overclocking

Overclocked clock speed 3.17 GHz 2.91 GHz
Overclocked clock speed (Water) 2.1 GHz 2 GHz
Overclocked clock speed (Air) 3.17 GHz 2.91 GHz

integrated graphics

GPU GPU GPU
Label Intel® HD Graphics 4000 HD Graphics 4000
Number of displays supported 3 3
GPU clock speed 350 MHz 350 MHz
Turbo clock speed 1,200 MHz 1,150 MHz

memory controller

Memory controller Built-in Built-in
Memory type
DDR3L-1600
DDR3L-1333
DDR3RS-1600
DDR3RS-1333
DDR3
Channels Dual Channel Dual Channel
Supports ECC No No
Maximum bandwidth 12,800 MB/s 25,600 MB/s
Intel Core i7 3687U
Report a correction
Intel Core i7 3667U
Report a correction

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