Intel Core i9-10900X vs Intel Core i9-9920X

Comparative analysis of Intel Core i9-10900X 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: Geekbench 4 - Single Core, Geekbench 4 - Multi-Core, PassMark - Single thread mark, PassMark - CPU mark, 3DMark Fire Strike - Physics Score.

Intel Core i9-10900X

Intel Core i9-9920X

Differences

Reasons to consider the Intel Core i9-10900X

Around 2% higher clock speed: 4.50 GHz vs 4.40 GHz
Around 2% higher maximum core temperature: 94°C vs 92°C
2x more maximum memory size: 256 GB vs 128 GB
Around 2% better performance in PassMark - Single thread mark: 2683 vs 2637

Specifications (specs)
Maximum frequency	4.50 GHz vs 4.40 GHz
Maximum core temperature	94°C vs 92°C
Maximum memory size	256 GB vs 128 GB
Benchmarks
Geekbench 4 - Single Core	1170 vs 1168
PassMark - Single thread mark	2683 vs 2637

Reasons to consider the Intel Core i9-9920X

Processor is unlocked, an unlocked multiplier allows for easier overclocking
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 24% better performance in Geekbench 4 - Multi-Core: 12860 vs 10361
Around 12% better performance in PassMark - CPU mark: 25223 vs 22518

Specifications (specs)
Unlocked	Unlocked vs Locked
Number of cores	12 vs 10
Number of threads	24 vs 20
L1 cache	64K (per core) vs 640 KB
L2 cache	1 MB (per core) vs 10 MB
Benchmarks
Geekbench 4 - Multi-Core	12860 vs 10361
PassMark - CPU mark	25223 vs 22518

Compare benchmarks

CPU 1: Intel Core i9-10900X
CPU 2: Intel Core i9-9920X

Geekbench 4 - Single Core

CPU 1

CPU 2

1170

1168

Geekbench 4 - Multi-Core

CPU 1

CPU 2

10361

12860

PassMark - Single thread mark

CPU 1

CPU 2

2683

2637

PassMark - CPU mark

CPU 1

CPU 2

22518

25223

Name	Intel Core i9-10900X	Intel Core i9-9920X
Geekbench 4 - Single Core	1170	1168
Geekbench 4 - Multi-Core	10361	12860
PassMark - Single thread mark	2683	2637
PassMark - CPU mark	22518	25223
3DMark Fire Strike - Physics Score	7406	0

Compare specifications (specs)

	Intel Core i9-10900X	Intel Core i9-9920X
Essentials
Architecture codename	Cascade Lake	Skylake
Launch date	Q4'19	October 2018
Launch price (MSRP)	$590, $599
Place in performance rating	889	1018
Processor Number	i9-10900X	i9-9920X
Series	Intel Core X-series Processors	Intel® Core™ X-series Processors
Status	Launched	Launched
Vertical segment	Desktop	Desktop
Performance
Base frequency	3.70 GHz	3.50 GHz
L1 cache	640 KB	64K (per core)
L2 cache	10 MB	1 MB (per core)
L3 cache	19.25 MB	19.25 MB (shared)
Manufacturing process technology	14 nm	14 nm
Maximum core temperature	94°C	92°C
Maximum frequency	4.50 GHz	4.40 GHz
Number of cores	10	12
Number of threads	20	24
64 bit support
Bus Speed		8 GT/s DMI3
Maximum case temperature (TCase)		72 °C
Number of QPI Links		0
Unlocked
Memory
Max memory channels	4	4
Maximum memory size	256 GB	128 GB
Supported memory types	DDR4-2933	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	48	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® AES New Instructions
Intel® Hyper-Threading technology
Intel® Optane™ Memory Supported
Intel® Turbo Boost technology
Number of AVX-512 FMA Units	2	2
Intel® Advanced Vector Extensions (AVX)
Virtualization
Intel® Virtualization Technology (VT-x)
Intel® Virtualization Technology for Directed I/O (VT-d)