Intel Core i9-9900KS vs Intel Core i5-9600

Comparative analysis of Intel Core i9-9900KS and Intel Core i5-9600 processors for all known characteristics in the following categories: Essentials, Performance, Memory, Graphics, Graphics interfaces, Graphics image quality, Graphics API support, Compatibility, Peripherals, Security & Reliability, Advanced Technologies, Virtualization. Benchmark processor performance analysis: PassMark - Single thread mark, PassMark - CPU mark, Geekbench 4 - Single Core, Geekbench 4 - Multi-Core, 3DMark Fire Strike - Physics Score.

Intel Core i9-9900KS

Intel Core i5-9600

Differences

Reasons to consider the Intel Core i9-9900KS

CPU is newer: launch date 1 year(s) 1 month(s) later
2 more cores, run more applications at once: 8 vs 6
Around 9% higher clock speed: 5.00 GHz vs 4.60 GHz
Around 33% more L1 cache; more data can be stored in the L1 cache for quick access later
Around 33% more L2 cache; more data can be stored in the L2 cache for quick access later
Around 78% more L3 cache; more data can be stored in the L3 cache for quick access later
Around 11% better performance in PassMark - Single thread mark: 3036 vs 2742
Around 86% better performance in PassMark - CPU mark: 19473 vs 10446

Specifications (specs)
Launch date	Nov 2019 vs October 2018
Number of cores	8 vs 6
Maximum frequency	5.00 GHz vs 4.60 GHz
L1 cache	512 KB vs 64K (per core)
L2 cache	2 MB vs 256K (per core)
L3 cache	16 MB vs 9 MB (shared)
Benchmarks
PassMark - Single thread mark	3036 vs 2742
PassMark - CPU mark	19473 vs 10446

Reasons to consider the Intel Core i5-9600

Around 95% lower typical power consumption: 65 Watt vs 127 Watt

Thermal Design Power (TDP)	65 Watt vs 127 Watt

Compare benchmarks

CPU 1: Intel Core i9-9900KS
CPU 2: Intel Core i5-9600

PassMark - Single thread mark

CPU 1

CPU 2

3036

2742

PassMark - CPU mark

CPU 1

CPU 2

19473

10446

Name	Intel Core i9-9900KS	Intel Core i5-9600
PassMark - Single thread mark	3036	2742
PassMark - CPU mark	19473	10446
Geekbench 4 - Single Core	1408
Geekbench 4 - Multi-Core	9451
3DMark Fire Strike - Physics Score	7373

Compare specifications (specs)

	Intel Core i9-9900KS	Intel Core i5-9600
Essentials
Architecture codename	Coffee Lake	Coffee Lake
Launch date	Nov 2019	October 2018
Launch price (MSRP)	$513 - $524	$224
Place in performance rating	827	818
Processor Number	i9-9900KS
Series	9th Generation Intel Core i9 Processors
Status	Launched
Vertical segment	Desktop	Desktop
Performance
64 bit support
Base frequency	4.00 GHz	3.10 GHz
Bus Speed	8 GT/s	8 GT/s DMI3
L1 cache	512 KB	64K (per core)
L2 cache	2 MB	256K (per core)
L3 cache	16 MB	9 MB (shared)
Manufacturing process technology	14 nm	14 nm
Maximum core temperature	100°C
Maximum frequency	5.00 GHz	4.60 GHz
Number of cores	8	6
Number of threads	16
Maximum case temperature (TCase)		72 °C
Memory
Max memory channels	2	2
Maximum memory bandwidth	41.6 GB/s	41.6 GB/s
Maximum memory size	128 GB	128 GB
Supported memory types	DDR4-2666	DDR4-2666
ECC memory support
Graphics
Device ID	0x3E98
Graphics base frequency	350 MHz
Graphics max dynamic frequency	1.20 GHz
Intel® Clear Video HD technology
Intel® Clear Video technology
Intel® InTru™ 3D technology
Intel® Quick Sync Video
Max video memory	64 GB
Processor graphics	Intel UHD Graphics 630
Graphics interfaces
Number of displays supported	3
Graphics image quality
4K resolution support
Max resolution over DisplayPort	4096x2304@60Hz
Max resolution over eDP	4096x2304@60Hz
Max resolution over HDMI 1.4	4096x2304@24Hz
Graphics API support
DirectX	12
OpenGL	4.5
Compatibility
Max number of CPUs in a configuration	1	1
Package Size	37.5mm x 37.5mm
Sockets supported	FCLGA1151	FCLGA1151
Thermal Design Power (TDP)	127 Watt	65 Watt
Thermal Solution	PCG 2015D
Peripherals
Max number of PCIe lanes	16
PCI Express revision	3.0
PCIe configurations	Up to 1x16, 2x8, 1x8+2x4
Scalability	1S Only
Security & Reliability
Execute Disable Bit (EDB)
Intel® Identity Protection technology
Intel® Memory Protection Extensions (Intel® MPX)
Intel® OS Guard
Intel® Secure Key technology
Intel® Software Guard Extensions (Intel® SGX)
Intel® Trusted Execution technology (TXT)
Secure Boot
Advanced Technologies
Enhanced Intel SpeedStep® technology
Idle States
Instruction set extensions	Intel SSE4.1, Intel SSE4.2, Intel AVX2
Intel 64
Intel® AES New Instructions
Intel® Hyper-Threading technology
Intel® Optane™ Memory Supported
Intel® Stable Image Platform Program (SIPP)
Intel® TSX-NI
Intel® Turbo Boost technology
Intel® vPro™ Platform Eligibility
Thermal Monitoring
Intel® Advanced Vector Extensions (AVX)
Virtualization
Intel® Virtualization Technology (VT-x)
Intel® Virtualization Technology for Directed I/O (VT-d)
Intel® VT-x with Extended Page Tables (EPT)