Ryzen 7 4700U vs i5-6400

Aggregate performance score

Core i5-6400
2015
4 cores / 4 threads, 65 Watt
3.48
Ryzen 7 4700U
2020
8 cores / 8 threads, 15 Watt
8.58
+147%

Ryzen 7 4700U outperforms Core i5-6400 by a whopping 147% based on our aggregate benchmark results.

Primary details

Comparing Core i5-6400 and Ryzen 7 4700U processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking1550896
Place by popularitynot in top-100not in top-100
Cost-effectiveness evaluation0.67no data
Market segmentDesktop processorLaptop
SeriesIntel Core i5AMD Renoir (Ryzen 4000 APU)
Power efficiency4.9753.13
Architecture codenameSkylake (2015−2016)Renoir-U (Zen 2) (2020−2021)
Release date1 September 2015 (9 years ago)6 January 2020 (4 years ago)
Launch price (MSRP)$187no data

Cost-effectiveness evaluation

Performance per price, higher is better.

no data

Detailed specifications

Core i5-6400 and Ryzen 7 4700U basic parameters such as number of cores, number of threads, base frequency and turbo boost clock, lithography, cache size and multiplier lock state. These parameters indirectly say of CPU speed, though for more precise assessment you have to consider their test results.

Physical cores4 (Quad-Core)8 (Octa-Core)
Threads48
Base clock speed2.7 GHz1.8 GHz
Boost clock speed3.3 GHz4.1 GHz
Bus typeDMI 3.0no data
Bus rate4 × 8 GT/sno data
Multiplier2720
L1 cache256 KB512 KB
L2 cache1 MB4 MB
L3 cache6 MB (shared)8 MB
Chip lithography14 nm7 nm
Die size122 mm2156 mm2
Maximum core temperatureno data105 °C
Maximum case temperature (TCase)72 °Cno data
Number of transistorsno data9800 Million
64 bit support++
Windows 11 compatibility-+

Compatibility

Information on Core i5-6400 and Ryzen 7 4700U compatibility with other computer components: motherboard (look for socket type), power supply unit (look for power consumption) etc. Useful when planning a future computer configuration or upgrading an existing one. Note that power consumption of some processors can well exceed their nominal TDP, even without overclocking. Some can even double their declared thermals given that the motherboard allows to tune the CPU power parameters.

Number of CPUs in a configuration1 (Uniprocessor)1
SocketFCLGA1151FP6
Power consumption (TDP)65 Watt15 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Core i5-6400 and Ryzen 7 4700U. You'll probably need this information if you require some particular technology.

Instruction set extensionsIntel® SSE4.1, Intel® SSE4.2, Intel® AVX2MMX, SSE, SSE2, SSE3, SSSE3, SSE4A, SSE4.1, SSE4.2, AVX, AVX2, BMI2, ABM, FMA, ADX, SMEP, SMAP, CPB, AES-NI, RDRAND, RDSEED, SHA, SME
AES-NI++
FMA-+
AVX++
vPro+no data
Enhanced SpeedStep (EIST)+no data
Turbo Boost Technology2.0no data
Hyper-Threading Technology-no data
Idle States+no data
Thermal Monitoring+-

Security technologies

Core i5-6400 and Ryzen 7 4700U technologies aimed at improving security, for example, by protecting against hacks.

TXT-no data
EDB+no data
Secure Key+no data
MPX+-
Identity Protection+-
SGXYes with Intel® MEno data
OS Guard+no data

Virtualization technologies

Virtual machine speed-up technologies supported by Core i5-6400 and Ryzen 7 4700U are enumerated here.

AMD-V++
VT-d+no data
VT-x+no data
EPT+no data

Memory specs

Types, maximum amount and channel quantity of RAM supported by Core i5-6400 and Ryzen 7 4700U. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesDDR3, DDR4DDR4
Maximum memory size64 GB64 GB
Max memory channels2no data
Maximum memory bandwidth34.134 GB/s68.27 GB/s

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics card
Compare
Intel HD Graphics 530AMD Radeon Vega 7
Max video memory64 GBno data
Quick Sync Video+-
Clear Video+no data
Clear Video HD+no data
Graphics max frequency950 MHzno data
InTru 3D+no data

Graphics interfaces

Available interfaces and connections of Core i5-6400 and Ryzen 7 4700U integrated GPUs.

Number of displays supported3no data
eDP+no data
DisplayPort+-
HDMI+-
DVI+no data

Graphics image quality

Maximum display resolutions supported by Core i5-6400 and Ryzen 7 4700U integrated GPUs, including resolutions over different interfaces.

4K resolution support+no data
Max resolution over HDMI 1.44096x2304@24Hzno data
Max resolution over eDP4096x2304@60Hzno data
Max resolution over DisplayPort4096x2304@60Hzno data
Max resolution over VGAN/Ano data

Graphics API support

APIs supported by Core i5-6400 and Ryzen 7 4700U integrated GPUs, sometimes API versions are included.

DirectX12no data
OpenGL4.5no data

Peripherals

Specifications and connection of peripherals supported by Core i5-6400 and Ryzen 7 4700U.

PCIe version3.03.0
PCI Express lanes16no data

Synthetic benchmark performance

Various benchmark results of the processors in comparison. Overall score is measured in points in 0-100 range, higher is better.


Combined synthetic benchmark score

This is our combined benchmark performance rating. We are regularly improving our combining algorithms, but if you find some perceived inconsistencies, feel free to speak up in comments section, we usually fix problems quickly.

i5-6400 3.48
Ryzen 7 4700U 8.58
+147%

Passmark

Passmark CPU Mark is a widespread benchmark, consisting of 8 different types of workload, including integer and floating point math, extended instructions, compression, encryption and physics calculation. There is also one separate single-threaded scenario measuring single-core performance.

i5-6400 5417
Ryzen 7 4700U 13368
+147%

GeekBench 5 Single-Core

GeekBench 5 Single-Core is a cross-platform application developed in the form of CPU tests that independently recreate certain real-world tasks with which to accurately measure performance. This version uses only a single CPU core.

i5-6400 1125
Ryzen 7 4700U 1354
+20.4%

GeekBench 5 Multi-Core

GeekBench 5 Multi-Core is a cross-platform application developed in the form of CPU tests that independently recreate certain real-world tasks with which to accurately measure performance. This version uses all available CPU cores.

i5-6400 3065
Ryzen 7 4700U 4915
+60.4%

Cinebench 10 32-bit single-core

Cinebench R10 is an ancient ray tracing benchmark for processors by Maxon, authors of Cinema 4D. Its single core version uses just one CPU thread to render a futuristic looking motorcycle.

i5-6400 5088
Ryzen 7 4700U 5524
+8.6%

Cinebench 10 32-bit multi-core

Cinebench Release 10 Multi Core is a variant of Cinebench R10 using all the processor threads. Possible number of threads is limited by 16 in this version.

i5-6400 18297
Ryzen 7 4700U 24771
+35.4%

wPrime 32

wPrime 32M is a math multi-thread processor test, which calculates square roots of first 32 million integer numbers. Its result is measured in seconds, so that the less is benchmark result, the faster the processor.

i5-6400 10.48
Ryzen 7 4700U 7.89
+32.8%

Cinebench 11.5 64-bit multi-core

Cinebench Release 11.5 Multi Core is a variant of Cinebench R11.5 which uses all the processor threads. A maximum of 64 threads is supported in this version.

i5-6400 6
Ryzen 7 4700U 13
+112%

Cinebench 15 64-bit multi-core

Cinebench Release 15 Multi Core is a variant of Cinebench R15 which uses all the processor threads.

i5-6400 510
Ryzen 7 4700U 1095
+115%

Cinebench 15 64-bit single-core

Cinebench R15 (standing for Release 15) is a benchmark made by Maxon, authors of Cinema 4D. It was superseded by later versions of Cinebench, which use more modern variants of Cinema 4D engine. The Single Core version (sometimes called Single-Thread) only uses a single processor thread to render a room full of reflective spheres and light sources.

i5-6400 134
Ryzen 7 4700U 180
+34.3%

Cinebench 11.5 64-bit single-core

Cinebench R11.5 is an old benchmark by Maxon, authors of Cinema 4D. It was superseded by later versions of Cinebench, which use more modern variants of Cinema 4D engine. The Single Core version loads a single thread with ray tracing to render a glossy room full of crystal spheres and light sources.

i5-6400 1.51
Ryzen 7 4700U 2.1
+39.1%

TrueCrypt AES

TrueCrypt is a discontinued piece of software that was widely used for on-the-fly-encryption of disk partitions, now superseded by VeraCrypt. It contains several embedded performance tests, one of them being TrueCrypt AES, which measures data encryption speed using AES algorithm. Result is encryption speed in gigabytes per second.

i5-6400 2.7
Ryzen 7 4700U 5.3
+94.4%

x264 encoding pass 2

x264 Pass 2 is a slower variant of x264 video compression that produces a variable bit rate output file, which results in better quality since the higher bit rate is used when it is needed more. Benchmark result is still measured in frames per second.  

i5-6400 34
Ryzen 7 4700U 57
+69.3%

x264 encoding pass 1

x264 version 4.0 is a video encoding benchmark uses MPEG 4 x264 compression method to compress a sample HD (720p) video. Pass 1 is a faster variant that produces a constant bit rate output file. Its result is measured in frames per second, which means how many frames of the source video file were encoded per second.  

i5-6400 150
Ryzen 7 4700U 191
+27.4%

Gaming performance

Pros & cons summary


Performance score 3.48 8.58
Integrated graphics card 2.59 7.46
Recency 1 September 2015 6 January 2020
Physical cores 4 8
Threads 4 8
Chip lithography 14 nm 7 nm
Power consumption (TDP) 65 Watt 15 Watt

Ryzen 7 4700U has a 146.6% higher aggregate performance score, 188% faster integrated GPU, an age advantage of 4 years, 100% more physical cores and 100% more threads, a 100% more advanced lithography process, and 333.3% lower power consumption.

The Ryzen 7 4700U is our recommended choice as it beats the Core i5-6400 in performance tests.

Note that Core i5-6400 is a desktop processor while Ryzen 7 4700U is a notebook one.


Should you still have questions on choice between Core i5-6400 and Ryzen 7 4700U, ask them in Comments section, and we shall answer.

Vote for your favorite

Do you think we are right or mistaken in our choice? Vote by clicking "Like" button near your favorite CPU.


Intel Core i5-6400
Core i5-6400
AMD Ryzen 7 4700U
Ryzen 7 4700U

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Community ratings

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