Ryzen 9 5950X vs i9-9900KS

Aggregate performance score

Core i9-9900KS
2019
8 cores / 16 threads, 127 Watt
12.49
Ryzen 9 5950X
2020
16 cores / 32 threads, 105 Watt
29.25
+134%

Ryzen 9 5950X outperforms Core i9-9900KS by a whopping 134% based on our aggregate benchmark results.

Primary details

Comparing Core i9-9900KS and Ryzen 9 5950X processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking625159
Place by popularitynot in top-100not in top-100
Cost-effectiveness evaluation9.4426.45
Market segmentDesktop processorDesktop processor
SeriesIntel Core i9AMD Ryzen 9
Power efficiency9.1325.87
Architecture codenameCoffee Lake-R (2018−2019)Vermeer (Zen 3) (2020−2022)
Release date26 May 2019 (5 years ago)8 October 2020 (4 years ago)
Launch price (MSRP)$513$799

Cost-effectiveness evaluation

Performance per price, higher is better.

Ryzen 9 5950X has 180% better value for money than i9-9900KS.

Detailed specifications

Core i9-9900KS and Ryzen 9 5950X 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 cores8 (Octa-Core)16 (Hexadeca-Core)
Threads1632
Base clock speed4 GHz3.4 GHz
Boost clock speed5 GHz4.9 GHz
Bus typeDMI 3.0no data
Bus rate4 × 8 GT/sno data
Multiplier4034
L1 cache512 KB1 MB
L2 cache2 MB8 MB
L3 cache16 MB (shared)64 MB
Chip lithography14 nm7 nm, 12 nm
Die size180 mm2CPU cores: 2x 80.7 sq. mm., I/O: 125 mm2
Maximum core temperature100 °Cno data
Maximum case temperature (TCase)72 °C95 °C
64 bit support++
Windows 11 compatibility++
Unlocked multiplier++

Compatibility

Information on Core i9-9900KS and Ryzen 9 5950X 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
SocketFCLGA1151AM4
Power consumption (TDP)127 Watt105 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Core i9-9900KS and Ryzen 9 5950X. 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, SSE4.1, SSE4.2, SSE4A, AES, AVX, AVX2, FMA3, SHA
AES-NI++
AVX++
vPro+no data
Enhanced SpeedStep (EIST)+no data
Turbo Boost Technology2.0no data
Hyper-Threading Technology+no data
TSX+-
Idle States+no data
Thermal Monitoring+-
SIPP+-
Precision Boost 2no data+

Security technologies

Core i9-9900KS and Ryzen 9 5950X 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 i9-9900KS and Ryzen 9 5950X 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 i9-9900KS and Ryzen 9 5950X. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesDDR4DDR4
Maximum memory size128 GB128 GB
Max memory channels22
Maximum memory bandwidth42.671 GB/s51.196 GB/s

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics cardIntel UHD Graphics 630-
Max video memory64 GB-
Quick Sync Video+-
Clear Video+-
Clear Video HD+-
Graphics max frequency1.2 GHz-
InTru 3D+-

Graphics interfaces

Available interfaces and connections of Core i9-9900KS and Ryzen 9 5950X integrated GPUs.

Number of displays supported3-

Graphics image quality

Maximum display resolutions supported by Core i9-9900KS and Ryzen 9 5950X integrated GPUs, including resolutions over different interfaces.

4K resolution support+-
Max resolution over HDMI 1.44096 x 2304@24Hz-
Max resolution over eDP4096 x 2304@60Hz-
Max resolution over DisplayPort4096 x 2304@60Hz-

Graphics API support

APIs supported by Core i9-9900KS and Ryzen 9 5950X integrated GPUs, sometimes API versions are included.

DirectX12-
OpenGL4.5-

Peripherals

Specifications and connection of peripherals supported by Core i9-9900KS and Ryzen 9 5950X.

PCIe version3.04.0
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.

i9-9900KS 12.49
Ryzen 9 5950X 29.25
+134%

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.

i9-9900KS 19467
Ryzen 9 5950X 45599
+134%

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.

i9-9900KS 1814
Ryzen 9 5950X 2215
+22.1%

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.

i9-9900KS 8640
Ryzen 9 5950X 12131
+40.4%

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.

i9-9900KS 8183
+22.3%
Ryzen 9 5950X 6690

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.

i9-9900KS 51779
Ryzen 9 5950X 56641
+9.4%

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.

i9-9900KS 14884
Ryzen 9 5950X 17657
+18.6%

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.

i9-9900KS 3.6
+17.5%
Ryzen 9 5950X 4.23

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.

i9-9900KS 23
Ryzen 9 5950X 48
+107%

Cinebench 15 64-bit multi-core

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

i9-9900KS 2058
Ryzen 9 5950X 4324
+110%

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.

i9-9900KS 216
Ryzen 9 5950X 267
+23.4%

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.

i9-9900KS 2.45
Ryzen 9 5950X 3.08
+25.7%

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.

i9-9900KS 12.2
Ryzen 9 5950X 26
+114%

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.  

i9-9900KS 123
Ryzen 9 5950X 212
+73.1%

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.  

i9-9900KS 279
Ryzen 9 5950X 330
+18.3%

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.

i9-9900KS 8353
Ryzen 9 5950X 12736
+52.5%

Geekbench 5.5 Multi-Core

i9-9900KS 9100
Ryzen 9 5950X 16248
+78.5%

Blender(-)

i9-9900KS 225
+90.9%
Ryzen 9 5950X 118

Geekbench 5.5 Single-Core

i9-9900KS 1372
Ryzen 9 5950X 1652
+20.4%

7-Zip Single

i9-9900KS 5734
Ryzen 9 5950X 6852
+19.5%

7-Zip

i9-9900KS 55735
Ryzen 9 5950X 122978
+121%

Gaming performance

Pros & cons summary


Performance score 12.49 29.25
Recency 26 May 2019 8 October 2020
Physical cores 8 16
Threads 16 32
Chip lithography 14 nm 7 nm
Power consumption (TDP) 127 Watt 105 Watt

Ryzen 9 5950X has a 134.2% higher aggregate performance score, an age advantage of 1 year, 100% more physical cores and 100% more threads, a 100% more advanced lithography process, and 21% lower power consumption.

The Ryzen 9 5950X is our recommended choice as it beats the Core i9-9900KS in performance tests.


Should you still have questions on choice between Core i9-9900KS and Ryzen 9 5950X, ask them in Comments section, and we shall answer.

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Intel Core i9-9900KS
Core i9-9900KS
AMD Ryzen 9 5950X
Ryzen 9 5950X

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Community ratings

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Questions & comments

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