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

Comparative analysis of Intel Core i5-9600 and Intel Core i9-9900X processors for all known characteristics in the following categories: Essentials, Performance, Memory, Compatibility, Security & Reliability, Advanced Technologies, Virtualization, Peripherals. 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 i5-9600

Intel Core i9-9900X

Differences

Reasons to consider the Intel Core i5-9600

Around 5% higher clock speed: 4.60 GHz vs 4.40 GHz
2.5x lower typical power consumption: 65 Watt vs 165 Watt
Around 7% better performance in PassMark - Single thread mark: 2742 vs 2562

Specifications (specs)
Maximum frequency	4.60 GHz vs 4.40 GHz
Thermal Design Power (TDP)	65 Watt vs 165 Watt
Benchmarks
PassMark - Single thread mark	2742 vs 2562

Reasons to consider the Intel Core i9-9900X

Processor is unlocked, an unlocked multiplier allows for easier overclocking
4 more cores, run more applications at once: 10 vs 6
Around 67% more L1 cache; more data can be stored in the L1 cache for quick access later
6.7x more L2 cache, more data can be stored in the L2 cache for quick access later
2.1x more L3 cache, more data can be stored in the L3 cache for quick access later
2.1x better performance in PassMark - CPU mark: 21853 vs 10446

Specifications (specs)
Unlocked	Unlocked vs Locked
Number of cores	10 vs 6
L1 cache	64K (per core) vs 64K (per core)
L2 cache	1 MB (per core) vs 256K (per core)
L3 cache	19.25 MB (shared) vs 9 MB (shared)
Benchmarks
PassMark - CPU mark	21853 vs 10446

Compare benchmarks

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

PassMark - Single thread mark

CPU 1

CPU 2

2742

2562

PassMark - CPU mark

CPU 1

CPU 2

10446

21853

Name	Intel Core i5-9600	Intel Core i9-9900X
PassMark - Single thread mark	2742	2562
PassMark - CPU mark	10446	21853
Geekbench 4 - Single Core		1136
Geekbench 4 - Multi-Core		10446
3DMark Fire Strike - Physics Score		10364

Compare specifications (specs)

	Intel Core i5-9600	Intel Core i9-9900X
Essentials
Architecture codename	Coffee Lake	Skylake
Launch date	October 2018	October 2018
Launch price (MSRP)	$224
Place in performance rating	818	822
Vertical segment	Desktop	Desktop
Processor Number		i9-9900X
Series		Intel® Core™ X-series Processors
Status		Launched
Performance
64 bit support
Base frequency	3.10 GHz	3.50 GHz
Bus Speed	8 GT/s DMI3	8 GT/s DMI3
L1 cache	64K (per core)	64K (per core)
L2 cache	256K (per core)	1 MB (per core)
L3 cache	9 MB (shared)	19.25 MB (shared)
Manufacturing process technology	14 nm	14 nm
Maximum case temperature (TCase)	72 °C	72 °C
Maximum frequency	4.60 GHz	4.40 GHz
Number of cores	6	10
Maximum core temperature		92°C
Number of QPI Links		0
Number of threads		20
Unlocked
Memory
ECC memory support
Max memory channels	2	4
Maximum memory bandwidth	41.6 GB/s
Maximum memory size	128 GB	128 GB
Supported memory types	DDR4-2666	DDR4-2666
Compatibility
Max number of CPUs in a configuration	1	1
Sockets supported	FCLGA1151	FCLGA2066
Thermal Design Power (TDP)	65 Watt	165 Watt
Thermal Solution		PCG 2017X
Security & Reliability
Intel® Trusted Execution technology (TXT)
Execute Disable Bit (EDB)
Advanced Technologies
Intel® Advanced Vector Extensions (AVX)
Intel® AES New Instructions
Enhanced Intel SpeedStep® technology
Instruction set extensions		Intel® SSE4.1, Intel® SSE4.2, Intel® AVX2, Intel® AVX-512
Intel 64
Intel® Hyper-Threading technology
Intel® Optane™ Memory Supported
Intel® Turbo Boost technology
Number of AVX-512 FMA Units		2
Virtualization
Intel® Virtualization Technology (VT-x)
Intel® Virtualization Technology for Directed I/O (VT-d)
Peripherals
Max number of PCIe lanes		44
PCI Express revision		3.0
Scalability		1S Only