MediaTek MT6731 vs Intel Core i5-6685R

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CPU comparison with benchmarks


MediaTek MT6731 CPU1 vs CPU2 Intel Core i5-6685R
MediaTek MT6731 Intel Core i5-6685R

CPU comparison

MediaTek MT6731 or Intel Core i5-6685R - which processor is faster? In this comparison we look at the differences and analyze which of these two CPUs is better. We compare the technical data and benchmark results.

The MediaTek MT6731 has 4 cores with 4 threads and clocks with a maximum frequency of 1.10 GHz. Up to 1 GB of memory is supported in 1 memory channels. The MediaTek MT6731 was released in Q1/2019.

The Intel Core i5-6685R has 4 cores with 4 threads and clocks with a maximum frequency of 3.80 GHz. The CPU supports up to 64 GB of memory in 2 memory channels. The Intel Core i5-6685R was released in Q2/2016.
Mediatek MT-Serie (72) Family Intel Core i5 (331)
MediaTek MT67xx (17) CPU group Intel Core i 6000 (24)
1 Generation 6
Cortex-A53 Architecture Skylake S
Mobile Segment Desktop / Server
-- Predecessor --
-- Successor --

CPU Cores and Base Frequency

The MediaTek MT6731 has 4 CPU cores and can calculate 4 threads in parallel. The clock frequency of the MediaTek MT6731 is 1.10 GHz while the Intel Core i5-6685R has 4 CPU cores and 4 threads can calculate simultaneously. The clock frequency of the Intel Core i5-6685R is at 3.20 GHz (3.80 GHz).

MediaTek MT6731 Characteristic Intel Core i5-6685R
4 Cores 4
4 Threads 4
normal Core architecture normal
No Hyperthreading No
No Overclocking ? No
1.10 GHz Frequency 3.20 GHz
-- Turbo Frequency (1 Core) 3.80 GHz
-- Turbo Frequency (All Cores) 3.40 GHz

Artificial Intelligence and Machine Learning

Processors with the support of artificial intelligence (AI) and machine learning (ML) can process many calculations, especially audio, image and video processing, much faster than classic processors. Algorithms for ML improve their performance the more data they have collected via software. ML tasks can be processed up to 10,000 times faster than with a classic processor.

MediaTek MT6731 Characteristic Intel Core i5-6685R
-- AI hardware --
-- AI specifications --

Internal Graphics

The MediaTek MT6731 or Intel Core i5-6685R has integrated graphics, called iGPU for short. The iGPU uses the system's main memory as graphics memory and sits on the processor's die.

PowerVR GE8100 GPU Intel Iris Pro Graphics 580
0.35 GHz GPU frequency 0.35 GHz
0.35 GHz GPU (Turbo) 1.15 GHz
-- GPU Generation 9
20 nm Technology 14 nm
2 Max. displays 3
-- Compute units 72
-- Shader 576
No Hardware Raytracing No
No Frame Generation No
-- Max. GPU Memory 32 GB
10 DirectX Version 12.0

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.

PowerVR GE8100 GPU Intel Iris Pro Graphics 580
No Codec h265 / HEVC (8 bit) Decode / Encode
No Codec h265 / HEVC (10 bit) Decode
No Codec h264 Decode / Encode
No Codec VP9 Decode
No Codec VP8 Decode / Encode
No Codec AV1 No
No Codec AVC Decode / Encode
No Codec VC-1 Decode
No Codec JPEG Decode / Encode

Memory & PCIe

The MediaTek MT6731 can use up to 1 GB of memory in 1 memory channels. The maximum memory bandwidth is 5.3 GB/s. The Intel Core i5-6685R supports up to 64 GB of memory in 2 memory channels and achieves a memory bandwidth of up to 34.1 GB/s.

MediaTek MT6731 Characteristic Intel Core i5-6685R
LPDDR3-667, LPDDR2 Memory DDR4-2133
1 GB Max. Memory 64 GB
1 (Single Channel) Memory channels 2 (Dual Channel)
5.3 GB/s Max. Bandwidth 34.1 GB/s
No ECC No
-- L2 Cache --
-- L3 Cache 6.00 MB
-- PCIe version 3.0
-- PCIe lanes 16
-- PCIe Bandwidth 15.8 GB/s

Thermal Management

The thermal design power (TDP for short) of the MediaTek MT6731 is --, while the Intel Core i5-6685R has a TDP of 65 W. The TDP specifies the necessary cooling solution that is required to cool the processor sufficiently.

MediaTek MT6731 Characteristic Intel Core i5-6685R
-- TDP (PL1 / PBP) 65 W
-- TDP (PL2) --
-- TDP up --
-- TDP down --
-- Tjunction max. --

Technical details

The MediaTek MT6731 is manufactured in 28 nm and has 0.00 MB cache. The Intel Core i5-6685R is manufactured in 14 nm and has a 6.00 MB cache.

MediaTek MT6731 Characteristic Intel Core i5-6685R
28 nm Technology 14 nm
Chiplet Chip design Monolithic
Armv8-A (64 bit) Instruction set (ISA) x86-64 (64 bit)
-- ISA extensions SSE4.1, SSE4.2, AVX2
-- Socket BGA 1440
None Virtualization VT-x, VT-x EPT, VT-d
No AES-NI Yes
Android Operating systems Windows 10, Linux
Q1/2019 Release date Q2/2016
-- Release price --
show more data show more data


Rate these processors

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iGPU - FP32 Performance (Single-precision GFLOPS)

The theoretical computing performance of the internal graphics unit of the processor with simple accuracy (32 bit) in GFLOPS. GFLOPS indicates how many billion floating point operations the iGPU can perform per second.
MediaTek MT6731 MediaTek MT6731
PowerVR GE8100 @ 0.35 GHz
6 (0%)
Intel Core i5-6685R Intel Core i5-6685R
Intel Iris Pro Graphics 580 @ 1.15 GHz
1325 (100%)

Geekbench 5, 64bit (Single-Core)

Geekbench 5 is a cross plattform benchmark that heavily uses the systems memory. A fast memory will push the result a lot. The single-core test only uses one CPU core, the amount of cores or hyperthreading ability doesn't count.
MediaTek MT6731 MediaTek MT6731
4C 4T @ 1.10 GHz
0 (0%)
Intel Core i5-6685R Intel Core i5-6685R
4C 4T @ 3.80 GHz
951 (100%)

Geekbench 5, 64bit (Multi-Core)

Geekbench 5 is a cross plattform benchmark that heavily uses the systems memory. A fast memory will push the result a lot. The multi-core test involves all CPU cores and taks a big advantage of hyperthreading.
MediaTek MT6731 MediaTek MT6731
4C 4T @ 1.10 GHz
0 (0%)
Intel Core i5-6685R Intel Core i5-6685R
4C 4T @ 3.40 GHz
3215 (100%)

Estimated results for PassMark CPU Mark

Some of the CPUs listed below have been benchmarked by CPU-monkey. However the majority of CPUs have not been tested and the results have been estimated by a CPU-monkey’s secret proprietary formula. As such they do not accurately reflect the actual Passmark CPU mark values and are not endorsed by PassMark Software Pty Ltd.
MediaTek MT6731 MediaTek MT6731
4C 4T @ 1.10 GHz
0 (0%)
Intel Core i5-6685R Intel Core i5-6685R
4C 4T @ 3.40 GHz
5497 (100%)

Cinebench R15 (Single-Core)

Cinebench R15 is the successor of Cinebench 11.5 and is also based on the Cinema 4 Suite. Cinema 4 is a worldwide used software to create 3D forms. The single-core test only uses one CPU core, the amount of cores or hyperthreading ability doesn't count.
MediaTek MT6731 MediaTek MT6731
4C 4T @ 1.10 GHz
0 (0%)
Intel Core i5-6685R Intel Core i5-6685R
4C 4T @ 3.80 GHz
156 (100%)

Cinebench R15 (Multi-Core)

Cinebench R15 is the successor of Cinebench 11.5 and is also based on the Cinema 4 Suite. Cinema 4 is a worldwide used software to create 3D forms. The multi-core test involves all CPU cores and taks a big advantage of hyperthreading.
MediaTek MT6731 MediaTek MT6731
4C 4T @ 1.10 GHz
0 (0%)
Intel Core i5-6685R Intel Core i5-6685R
4C 4T @ 3.40 GHz
597 (100%)

Devices using this processor

MediaTek MT6731 Intel Core i5-6685R
Unknown Unknown

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