Intel Core i9-9900X vs Intel Core i9-7900X

Comparative analysis of Intel Core i9-9900X and Intel Core i9-7900X 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 i9-7900X

Differences

Reasons to consider the Intel Core i9-9900X

CPU is newer: launch date 1 year(s) 4 month(s) later
Around 2% higher clock speed: 4.40 GHz vs 4.30 GHz
4x more L2 cache, more data can be stored in the L2 cache for quick access later
Around 39% more L3 cache; more data can be stored in the L3 cache for quick access later
Around 3% better performance in PassMark - CPU mark: 21820 vs 21175
Around 1% better performance in Geekbench 4 - Single Core: 1136 vs 1129
Around 1% better performance in Geekbench 4 - Multi-Core: 10446 vs 10300
Around 48% better performance in 3DMark Fire Strike - Physics Score: 10364 vs 6987

Specifications (specs)
Launch date	October 2018 vs 30 May 2017
Maximum frequency	4.40 GHz vs 4.30 GHz
L2 cache	1 MB (per core) vs 256 KB (per core)
L3 cache	19.25 MB (shared) vs 13.8 MB
Benchmarks
PassMark - CPU mark	21820 vs 21175
Geekbench 4 - Single Core	1136 vs 1129
Geekbench 4 - Multi-Core	10446 vs 10300
3DMark Fire Strike - Physics Score	10364 vs 6987

Reasons to consider the Intel Core i9-7900X

Around 3% higher maximum core temperature: 95°C vs 92°C
Around 18% lower typical power consumption: 140 Watt vs 165 Watt

Specifications (specs)
Maximum core temperature	95°C vs 92°C
Thermal Design Power (TDP)	140 Watt vs 165 Watt
Benchmarks
PassMark - Single thread mark	2568 vs 2564

Compare benchmarks

CPU 1: Intel Core i9-9900X
CPU 2: Intel Core i9-7900X

PassMark - Single thread mark

CPU 1

CPU 2

2564

2568

PassMark - CPU mark

CPU 1

CPU 2

21820

21175

Geekbench 4 - Single Core

CPU 1

CPU 2

1136

1129

Geekbench 4 - Multi-Core

CPU 1

CPU 2

10446

10300

3DMark Fire Strike - Physics Score

CPU 1

CPU 2

10364

6987

Name	Intel Core i9-9900X	Intel Core i9-7900X
PassMark - Single thread mark	2564	2568
PassMark - CPU mark	21820	21175
Geekbench 4 - Single Core	1136	1129
Geekbench 4 - Multi-Core	10446	10300
3DMark Fire Strike - Physics Score	10364	6987

Compare specifications (specs)

	Intel Core i9-9900X	Intel Core i9-7900X
Essentials
Architecture codename	Skylake	Skylake
Launch date	October 2018	30 May 2017
Place in performance rating	842	946
Processor Number	i9-9900X	i9-7900X
Series	Intel® Core™ X-series Processors	Intel® Core™ X-series Processors
Status	Launched	Launched
Vertical segment	Desktop	Desktop
Launch price (MSRP)		$1,050
Price now		$1,383.99
Value for money (0-100)		4.68
Performance
64 bit support
Base frequency	3.50 GHz	3.30 GHz
Bus Speed	8 GT/s DMI3	8 GT/s DMI3
L1 cache	64K (per core)	64 KB (per core)
L2 cache	1 MB (per core)	256 KB (per core)
L3 cache	19.25 MB (shared)	13.8 MB
Manufacturing process technology	14 nm	14 nm
Maximum case temperature (TCase)	72 °C	72 °C
Maximum core temperature	92°C	95°C
Maximum frequency	4.40 GHz	4.30 GHz
Number of cores	10	10
Number of QPI Links	0	0
Number of threads	20	20
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	140 Watt
Thermal Solution	PCG 2017X	PCG 2017X
Low Halogen Options Available
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
Intel® vPro™ Platform Eligibility
Virtualization
Intel® Virtualization Technology (VT-x)
Intel® Virtualization Technology for Directed I/O (VT-d)
AMD Virtualization (AMD-V™)