Intel Core i9-9900X vs Intel Core i9-9920X

Comparative analysis of Intel Core i9-9900X and Intel Core i9-9920X processors for all known characteristics in the following categories: Essentials, Performance, Memory, 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 i9-9900X

Intel Core i9-9920X

Differences

Reasons to consider the Intel Core i9-9920X

2 more cores, run more applications at once: 12 vs 10
4 more threads: 24 vs 20
Around 20% more L1 cache; more data can be stored in the L1 cache for quick access later
Around 20% more L2 cache; more data can be stored in the L2 cache for quick access later
Around 3% better performance in PassMark - Single thread mark: 2637 vs 2564
Around 16% better performance in PassMark - CPU mark: 25223 vs 21820
Around 3% better performance in Geekbench 4 - Single Core: 1168 vs 1136
Around 23% better performance in Geekbench 4 - Multi-Core: 12860 vs 10446

Specifications (specs)
Number of cores	12 vs 10
Number of threads	24 vs 20
L1 cache	64K (per core) vs 64K (per core)
L2 cache	1 MB (per core) vs 1 MB (per core)
Benchmarks
PassMark - Single thread mark	2637 vs 2564
PassMark - CPU mark	25223 vs 21820
Geekbench 4 - Single Core	1168 vs 1136
Geekbench 4 - Multi-Core	12860 vs 10446

Compare benchmarks

CPU 1: Intel Core i9-9900X
CPU 2: Intel Core i9-9920X

PassMark - Single thread mark

CPU 1

CPU 2

2564

2637

PassMark - CPU mark

CPU 1

CPU 2

21820

25223

Geekbench 4 - Single Core

CPU 1

CPU 2

1136

1168

Geekbench 4 - Multi-Core

CPU 1

CPU 2

10446

12860

Name	Intel Core i9-9900X	Intel Core i9-9920X
PassMark - Single thread mark	2564	2637
PassMark - CPU mark	21820	25223
Geekbench 4 - Single Core	1136	1168
Geekbench 4 - Multi-Core	10446	12860
3DMark Fire Strike - Physics Score	10364	0

Compare specifications (specs)

	Intel Core i9-9900X	Intel Core i9-9920X
Essentials
Architecture codename	Skylake	Skylake
Launch date	October 2018	October 2018
Place in performance rating	841	1018
Processor Number	i9-9900X	i9-9920X
Series	Intel® Core™ X-series Processors	Intel® Core™ X-series Processors
Status	Launched	Launched
Vertical segment	Desktop	Desktop
Performance
64 bit support
Base frequency	3.50 GHz	3.50 GHz
Bus Speed	8 GT/s DMI3	8 GT/s DMI3
L1 cache	64K (per core)	64K (per core)
L2 cache	1 MB (per core)	1 MB (per core)
L3 cache	19.25 MB (shared)	19.25 MB (shared)
Manufacturing process technology	14 nm	14 nm
Maximum case temperature (TCase)	72 °C	72 °C
Maximum core temperature	92°C	92°C
Maximum frequency	4.40 GHz	4.40 GHz
Number of cores	10	12
Number of QPI Links	0	0
Number of threads	20	24
Unlocked
Memory
Max memory channels	4	4
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	FCLGA2066	FCLGA2066
Thermal Design Power (TDP)	165 Watt	165 Watt
Thermal Solution	PCG 2017X	PCG 2017X
Peripherals
Max number of PCIe lanes	44	44
PCI Express revision	3.0	3.0
Scalability	1S Only	1S Only
Security & Reliability
Execute Disable Bit (EDB)
Intel® Trusted Execution technology (TXT)
Advanced Technologies
Enhanced Intel SpeedStep® technology
Instruction set extensions	Intel® SSE4.1, Intel® SSE4.2, Intel® AVX2, Intel® AVX-512	Intel® SSE4.1, Intel® SSE4.2, Intel® AVX2, Intel® AVX-512
Intel 64
Intel® Advanced Vector Extensions (AVX)
Intel® AES New Instructions
Intel® Hyper-Threading technology
Intel® Optane™ Memory Supported
Intel® Turbo Boost technology
Number of AVX-512 FMA Units	2	2
Virtualization
Intel® Virtualization Technology (VT-x)
Intel® Virtualization Technology for Directed I/O (VT-d)