Intel Core i7-3687U vs Intel Core i5-6685R

Last updated:

CPU comparison with benchmarks

-VS-

CPU lineage

Intel Core i7-3687U or Intel Core i7-3687U – which processor offers superior performance? In this comparison, we examine disparities and assess which of these two CPUs outperforms the other. We delve into technical specifications and benchmark outcomes.
The Intel Core i7-3687U features 2 processor cores and has the capability to manage 4 threads concurrently.
It was released in Q1/2013 and belongs to the 3 generation of the Intel Core i7 series.
To use the Intel Core i7-3687U, you'll need a motherboard with a BGA 1023 socket.
The Intel Core i5-6685R features 4 processor cores and has the capability to manage 4 threads concurrently.
It was released in Q2/2016 and belongs to the 6 generation of the Intel Core i5 series.
To use the Intel Core i5-6685R, you'll need a motherboard with a BGA 1440 socket.
Intel Core i7-3687U Name Intel Core i5-6685R
3 Generation 6
Mobile Segment Desktop / Server
Intel Core i7 Family Intel Core i5
Intel Core i 3000U Group Intel Core i 6000
 
 

CPU Cores and Base Frequency

The Intel Core i7-3687U has 2 CPU cores and can calculate 4 threads in parallel.
The clock frequency of the Intel Core i7-3687U is 2.1 GHz
and turbo frequency for one core is 3.3 GHz.
The Intel Core i5-6685R has 4 CPU cores and can calculate 4 threads in parallel.
The clock frequency of the Intel Core i5-6685R is 3.2 GHz
and turbo frequency for one core is 3.8 GHz.
3.3 GHz Turbo Frequency (1 core) 3.8 GHz
Yes Hyperthreading No
3.3 GHz Turbo Frequency (all cores) 3.4 GHz
2x Cores 4x
2.1 GHz Frequency 3.2 GHz
No Overclocking No
4 Threads 4
normal Core architecture normal
2 CPU Cores 4
 
 

Internal Graphics

The Intel Core i7-3687U has integrated graphics, called iGPU for short.
Specifically, the Intel Core i7-3687U uses the Intel HD Graphics 4000, which has 128 texture shaders
and 16 execution units.
The iGPU uses the system's main memory as graphics memory and sits on the processor's die.
The Intel Core i5-6685R has integrated graphics, called iGPU for short.
Specifically, the Intel Core i5-6685R uses the Intel Iris Pro Graphics 580, which has 576 texture shaders
and 72 execution units.
16 Execution units 72
Intel HD Graphics 4000 GPU name Intel Iris Pro Graphics 580
11.0 Direct X 12.0
0.35 GHz GPU frequency 0.35 GHz
2.0 GB Max. GPU Memory 32.0 GB
1.2 GHz GPU (Turbo) 1.15 GHz
7 Generation 9
Q1/2011 Release date Q3/2015
-- Max. displays --
22 nm Technology 14 nm
128 Shaders 576
 
 

Artificial Intelligence and Machine Learning

-- AI hardware --
-- AI specifications --
 
 

Hardware codec support

A photo or video codec that is accelerated in hardware can greatly accelerate the working speed of a processor and extend the battery life of notebooks or smartphones when playing videos.
Decode JPEG Decode / Encode
Decode / Encode AVC Decode / Encode
No h265 / HEVC (8 bit) Decode / Encode
No VP8 Decode / Encode
Decode VC-1 Decode
No AV1 No
No VP9 Decode
No h265 / HEVC (10 bit) Decode
Decode / Encode h264 Decode / Encode
 
 

Memory & PCIe

The processor supports a maximum memory capacity of 32.0 GB distributed across 2 memory channels. It offers a peak memory bandwidth of 25.6 GB/s. Both the type and quantity of memory can have a substantial impact on the overall system performance.
The processor supports a maximum memory capacity of 64.0 GB distributed across 2 memory channels. It offers a peak memory bandwidth of 34.1 GB/s. Both the type and quantity of memory can have a substantial impact on the overall system performance.
pci PCIe pci
2 Memory channels 2
DDR3L-1600, DDR3L-1333, DDR3-1333, DDR3-1600 Memory type DDR4-2133
32.0 GB Max. Memory 64.0 GB
No ECC No
25.6 GB/s Bandwidth 34.1 GB/s
Yes AES-NI Yes
 
 

Thermal Management

The processor has a thermal design power (TDP) of 17 W watts.
TDP indicates the cooling solution needed to effectively manage the processor's heat. It generally provides an approximate indication of the actual power consumption of the CPU itself.
The processor has a thermal design power (TDP) of 65 W watts.
17 W TDP (PL1 / PBP) 65 W
105 °C Tjunction max --
 
 

Technical details

The Intel Core i7-3687U is manufactured using a 22 nm process.
A smaller manufacturing process indicates a more contemporary and energy-efficient CPU.
In total, this processor boasts a generous 4.0 MB cache.
A substantial cache can significantly enhance the processor's performance, particularly in scenarios like gaming.
The Intel Core i5-6685R is manufactured using a 14 nm process.
In total, this processor boasts a generous 6.0 MB cache.
0 bytes L2-Cache 0 bytes
Windows 10, Linux Operating systems Windows 10, Linux
-- Part Number --
VT-x, VT-x EPT Virtualization VT-x, VT-x EPT, VT-d
4.0 MB L3-Cache 6.0 MB
Ivy Bridge U Architecture Skylake S
x86-64 (64 bit) Instruction set (ISA) x86-64 (64 bit)
346 $ Release price --
Technical data sheet Documents Technical data sheet
SSE4.1, SSE4.2, AVX ISA extensions SSE4.1, SSE4.2, AVX2
Monolithic Chip design Monolithic
Q1/2013 Release date Q2/2016
BGA 1023 Socket BGA 1440
22 nm Technology 14 nm