Intel Core i5-8400 vs AMD Ryzen 5 1500X

General info

Comparing Core i5-8400 and Ryzen 5 1500X processor market type (desktop or notebook), architecture, sales start time and price.

Place in our rating
Value for money (0-100)
Market segment
Desktop processor
Desktop processor
Intel Core i5
AMD Ryzen 5
Architecture codename
Coffee Lake
Launch date
5 October 2017 (3 years ago)
11 April 2017 (4 years ago)
Launch price (MSRP)
Price now
$296 (1.6x MSRP)
$183 (1x MSRP)

Technical specs

Core i5-8400 and Ryzen 5 1500X 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 cores
6 (Hexa-Core)
4 (Quad-Core)
Base clock speed
2.8 GHz
3.5 GHz
Boost clock speed
4 GHz
3.7 GHz
L1 cache
64K (per core)
96K (per core)
L2 cache
256K (per core)
512K (per core)
L3 cache
9 MB (shared)
16 MB (shared)
Chip lithography
14 nm
14 nm
Die size
149 mm2
192 mm2
Maximum core temperature
100 °C
no data
Maximum case temperature (TCase)
72 °C
no data
Number of transistors
no data
4,800 million
64 bit support
Unlocked multiplier


Information on Core i5-8400 and Ryzen 5 1500X 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 configuration
1 (Uniprocessor)
Thermal design power (TDP)
65 Watt
65 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Core i5-8400 and Ryzen 5 1500X. You'll probably need this information if you require some particular technology.

Instruction set extensions
Intel® SSE4.1, Intel® SSE4.2, Intel® AVX2
no data
Enhanced SpeedStep (EIST)
no data
Turbo Boost Technology
no data
Hyper-Threading Technology
no data
Idle States
no data
Thermal Monitoring

Security technologies

Core i5-8400 and Ryzen 5 1500X technologies aimed at improving security, for example, by protecting against hacks.

no data
no data
Secure Key
no data
Identity Protection
Yes with Intel® ME
no data
OS Guard
no data

Virtualization technologies

Virtual machine speed-up technologies supported by Core i5-8400 and Ryzen 5 1500X are enumerated here.

no data
no data
no data

Memory specs

Types, maximum amount and channel quantity of RAM supported by Core i5-8400 and Ryzen 5 1500X. Depending on the motherboards, higher memory frequencies may be supported.

Supported memory types
DDR4 Dual-channel
Maximum memory size
64 GB
64 GB
Max memory channels
Maximum memory bandwidth
41.6 GB/s
42.671 GB/s
ECC memory support

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics card
Max video memory
64 GB
Quick Sync Video
Clear Video
Clear Video HD
Graphics max frequency
1.05 GHz
InTru 3D

Graphics interfaces

Available interfaces and connections of Core i5-8400 and Ryzen 5 1500X integrated GPUs.

Number of displays supported

Graphics image quality

Maximum display resolutions supported by Core i5-8400 and Ryzen 5 1500X integrated GPUs, including resolutions over different interfaces.

4K resolution support
Max resolution over HDMI 1.4
Max resolution over eDP
Max resolution over DisplayPort

Graphics API support

APIs supported by Core i5-8400 and Ryzen 5 1500X integrated GPUs, sometimes API versions are included.



Specifications and connection of peripherals supported by Core i5-8400 and Ryzen 5 1500X.

PCIe version
PCI Express lanes

Benchmark performance

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

Overall 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.

i5-8400 10.51 +1.7%
Ryzen 5 1500X 10.33

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.

i5-8400 6364 +39.2%
Ryzen 5 1500X 4573

3DMark06 CPU

3DMark06 is a discontinued DirectX 9 benchmark suite from Futuremark. Its CPU part contains two scenarios, one dedicated to artificial intelligence pathfinding, another to game physics using PhysX package.

i5-8400 9474 +28%
Ryzen 5 1500X 7403

Geekbench 4.0 64-bit multi-core

i5-8400 19500 +34.8%
Ryzen 5 1500X 14463

Geekbench 4.0 64-bit single-core

i5-8400 4996 +20.4%
Ryzen 5 1500X 4149

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.

i5-8400 5 +2%
Ryzen 5 1500X 4.9

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.  

i5-8400 61 +22%
Ryzen 5 1500X 50

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.  

i5-8400 224 +26.6%
Ryzen 5 1500X 177

WinRAR 4.0

WinRAR 4.0 is an outdated version of a popular file archiver. It contains an internal speed test, using 'Best' setting of RAR compression on large chunks of randomly generated data. Its results are measured in kilobytes per second.

i5-8400 5173 +32.3%
Ryzen 5 1500X 3910

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.

i5-8400 6.2 +11.3%
Ryzen 5 1500X 6.9

Cinebench 15 64-bit multi-core

Cinebench Release 15 Multi Core (sometimes called Multi-Thread) is a variant of Cinebench R15 which uses all the processor threads.

i5-8400 941 +16.9%
Ryzen 5 1500X 805

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.

i5-8400 170 +10.4%
Ryzen 5 1500X 154

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.

i5-8400 11 +22.2%
Ryzen 5 1500X 9

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.

i5-8400 1.9 +9.8%
Ryzen 5 1500X 1.73

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.

i5-8400 30790 +52.5%
Ryzen 5 1500X 20186


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.

i5-8400 9223 +1.7%
Ryzen 5 1500X 9067

Gaming performance

Let's see how good Core i5-8400 and Ryzen 5 1500X are for gaming compared with game system requirements. Remember that sometimes official requirements may reflect real performance inaccurately. Also, your gaming PC must have a decent enough GPU to perform well.

i5-8400 satisfies the 100% minimum and 99% recommended requirements of all games known to us.


Ryzen 5 1500X satisfies the 100% minimum and 98% recommended requirements of all games known to us.


Competitors of Core i5-8400 from AMD

We believe that the nearest equivalent to Core i5-8400 from AMD is Ryzen 5 3400G, which is faster by 2% and higher by 9 positions in our rating.

Here are some closest AMD rivals to Core i5-8400:

Competitors of Ryzen 5 1500X from Intel

We believe that the nearest equivalent to Ryzen 5 1500X from Intel is Core i3-10105F, which is nearly equal in speed and higher by 1 position in our rating.

Here are some closest Intel rivals to Ryzen 5 1500X:

Advantages of Intel Core i5-8400

1.7% better performance in benchmarks

Somewhat newer (5 October 2017 vs 11 April 2017)

Higher boost clock speed (4000 vs 3700 MHz)

AES-NI (Advanced Encryption Standard New Instructions - additional instructions for hardware acceleration of AES encryption and decryption)

TSX-NI (Transactional Synchronization Extensions New Instructions - hardware acceleration of multithreaded calculations for Intel CPUs)

Quick Sync (hardware acceleration of video encoding and decoding for Intel CPUs. Speeds up video encoding by times, but at the cost of somewhat lower quality)

vPro (a marketing umbrella term for several Intel technologies: AMT, TXT, EDB, VT, Anti-Theft and some others)

Thermal Monitoring Technologies




Advantages of AMD Ryzen 5 1500X

Cheaper ($183 vs $296)

Higher base clock speed (3500 vs 2800 MHz)



So, which one is the better CPU?

Technical City couldn't decide between Intel Core i5-8400 and AMD Ryzen 5 1500X. The differences in performance seem too small.

Should you still have questions on choice between Core i5-8400 and Ryzen 5 1500X, ask them in Comments section, and we shall answer.

Cast your vote

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

Intel Core i5-8400
AMD Ryzen 5 1500X

Similar processor comparisons

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User rating

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Advices and comments

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