Core i5-6400 vs Ryzen 3 4300U

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Aggregate performance score

Ryzen 3 4300U
2020
4 cores / 4 threads, 15 Watt
4.81
+37.4%

Ryzen 3 4300U outperforms Core i5-6400 by a substantial 37% based on our aggregate benchmark results.

Primary details

Comparing Ryzen 3 4300U and Core i5-6400 processor market type (desktop or notebook), architecture, sales start time and price.

Place in performance ranking11901463
Place by popularitynot in top-100not in top-100
Cost-effectiveness evaluationno data1.29
Market segmentLaptopDesktop processor
SeriesAMD Renoir (Ryzen 4000 APU)Intel Core i5
Architecture codenameRenoir-U (Zen 2)Skylake (2015−2016)
Release date6 January 2020 (4 years ago)2 July 2015 (8 years ago)
Launch price (MSRP)no data$187
Current price$520 $119 (0.6x MSRP)

Cost-effectiveness evaluation

Performance per price, higher is better.

no data

Detailed specifications

Ryzen 3 4300U and Core i5-6400 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)4 (Quad-Core)
Threads44
Base clock speed2.7 GHz2.7 GHz
Boost clock speed3.7 GHz3.3 GHz
L1 cache128K (per core)64K (per core)
L2 cache512K (per core)256K (per core)
L3 cache4 MB (shared)6 MB (shared)
Chip lithography7 nm14 nm
Die size156 mm2177 mm2
Maximum core temperature105 °C71 °C
Maximum case temperature (TCase)no data72 °C
Number of transistors9800 Millionno data
64 bit support++
Windows 11 compatibility+-
Unlocked multiplierNoNo

Compatibility

Information on Ryzen 3 4300U and Core i5-6400 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 configuration11
SocketFP6FCLGA1151
Power consumption (TDP)15 Watt65 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Ryzen 3 4300U and Core i5-6400. You'll probably need this information if you require some particular technology.

Instruction set extensionsDDR4-3200/LPDDR4-4266 RAM, PCIe 3, MMX, SSE, SSE2, SSE3, SSSE3, SSE4A, SSE4.1, SSE4.2, AVX, AVX2, BMI2, ABM, FMA, ADX, SMEP, SMAP, CPB, AES-NI, RDRAND, RDSEED, SHA, SMEIntel® SSE4.1, Intel® SSE4.2, Intel® AVX2
AES-NI++
FMA+no data
AVX++
vProno data+
Enhanced SpeedStep (EIST)no data+
Turbo Boost Technologyno data2.0
Hyper-Threading Technologyno data-
TSXno data-
Idle Statesno data+
Thermal Monitoringno data+
SIPPno data-
Statusno dataDiscontinued

Security technologies

Ryzen 3 4300U and Core i5-6400 technologies aimed at improving security, for example, by protecting against hacks.

TXTno data-
EDBno data+
Secure Keyno data+
MPXno data+
Identity Protectionno data+
SGXno dataYes with Intel® ME
OS Guardno data+

Virtualization technologies

Virtual machine speed-up technologies supported by Ryzen 3 4300U and Core i5-6400 are enumerated here.

AMD-V++
VT-dno data+
VT-xno data+
EPTno data+

Memory specs

Types, maximum amount and channel quantity of RAM supported by Ryzen 3 4300U and Core i5-6400. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesDDR4DDR3, DDR4
Maximum memory size64 GB64 GB
Max memory channelsno data2
Maximum memory bandwidth68.27 GB/s34.1 GB/s
ECC memory support--

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics card
Compare
AMD Radeon RX Vega 5Intel HD Graphics 530
Max video memoryno data64 GB
Quick Sync Videono data+
Clear Videono data+
Clear Video HDno data+
Graphics max frequencyno data950 MHz
InTru 3Dno data+

Graphics interfaces

Available interfaces and connections of Ryzen 3 4300U and Core i5-6400 integrated GPUs.

Number of displays supportedno data3
eDPno data+
DisplayPortno data+
HDMIno data+
DVIno data+

Graphics image quality

Maximum display resolutions supported by Ryzen 3 4300U and Core i5-6400 integrated GPUs, including resolutions over different interfaces.

4K resolution supportno data+
Max resolution over HDMI 1.4no data4096x2304@24Hz
Max resolution over eDPno data4096x2304@60Hz
Max resolution over DisplayPortno data4096x2304@60Hz
Max resolution over VGAno dataN/A

Graphics API support

APIs supported by Ryzen 3 4300U and Core i5-6400 integrated GPUs, sometimes API versions are included.

DirectXno data12
OpenGLno data4.5

Peripherals

Specifications and connection of peripherals supported by Ryzen 3 4300U and Core i5-6400.

PCIe version3.03.0
PCI Express lanesno data16

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.

Ryzen 3 4300U 4.81
+37.4%
i5-6400 3.50

Ryzen 3 4300U outperforms Core i5-6400 by 37% based on our aggregate benchmark results.


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.

Benchmark coverage: 68%

Ryzen 3 4300U 7446
+37.5%
i5-6400 5417

Ryzen 3 4300U outperforms Core i5-6400 by 37% in Passmark.

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.

Benchmark coverage: 42%

Ryzen 3 4300U 1247
+12%
i5-6400 1113

Ryzen 3 4300U outperforms Core i5-6400 by 12% in GeekBench 5 Single-Core.

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.

Benchmark coverage: 42%

Ryzen 3 4300U 3366
+11.1%
i5-6400 3031

Ryzen 3 4300U outperforms Core i5-6400 by 11% in GeekBench 5 Multi-Core.

Cinebench 15 64-bit multi-core

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

Benchmark coverage: 15%

Ryzen 3 4300U 563
+10.3%
i5-6400 510

Ryzen 3 4300U outperforms Core i5-6400 by 10% in Cinebench 15 64-bit multi-core.

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.

Benchmark coverage: 15%

Ryzen 3 4300U 164
+22.3%
i5-6400 134

Ryzen 3 4300U outperforms Core i5-6400 by 22% in Cinebench 15 64-bit single-core.

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.

Benchmark coverage: 13%

Ryzen 3 4300U 3.2
+18.5%
i5-6400 2.7

Ryzen 3 4300U outperforms Core i5-6400 by 19% in TrueCrypt AES.

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.  

Benchmark coverage: 13%

Ryzen 3 4300U 35
+3.2%
i5-6400 34

Ryzen 3 4300U outperforms Core i5-6400 by 3% in x264 encoding pass 2.

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.  

Benchmark coverage: 13%

Ryzen 3 4300U 172
+14.8%
i5-6400 150

Ryzen 3 4300U outperforms Core i5-6400 by 15% in x264 encoding pass 1.

Gaming performance

Pros & cons summary


Performance score 4.81 3.50
Integrated graphics card 4.66 2.59
Recency 6 January 2020 2 July 2015
Chip lithography 7 nm 14 nm
Power consumption (TDP) 15 Watt 65 Watt

The Ryzen 3 4300U is our recommended choice as it beats the Core i5-6400 in performance tests.

Be aware that Ryzen 3 4300U is a notebook processor while Core i5-6400 is a desktop one.


Should you still have questions on choice between Ryzen 3 4300U and Core i5-6400, ask them in Comments section, and we shall answer.

Vote for your favorite

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AMD Ryzen 3 4300U
Ryzen 3 4300U
Intel Core i5-6400
Core i5-6400

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Community ratings

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