Intel Core i9-10920X vs Intel Core i9-7900X

Comparative analysis of Intel Core i9-10920X 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 i9-10920X

Intel Core i9-7900X

Differences

Reasons to consider the Intel Core i9-10920X

CPU is newer: launch date 2 year(s) 4 month(s) later
2 more cores, run more applications at once: 12 vs 10
4 more threads: 24 vs 20
Around 7% higher clock speed: 4.60 GHz vs 4.30 GHz
Around 20% more L1 cache; more data can be stored in the L1 cache for quick access later
4.8x 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
2x more maximum memory size: 256 GB vs 128 GB
Around 6% better performance in PassMark - Single thread mark: 2718 vs 2553
Around 24% better performance in PassMark - CPU mark: 26076 vs 21032
Around 4% better performance in Geekbench 4 - Single Core: 1178 vs 1129
Around 22% better performance in Geekbench 4 - Multi-Core: 12548 vs 10300
Around 20% better performance in 3DMark Fire Strike - Physics Score: 8353 vs 6987

Specifications (specs)
Launch date	7 Oct 2019 vs 30 May 2017
Number of cores	12 vs 10
Number of threads	24 vs 20
Maximum frequency	4.60 GHz vs 4.30 GHz
L1 cache	768 KB vs 64 KB (per core)
L2 cache	12 MB vs 256 KB (per core)
L3 cache	19.25 MB vs 13.8 MB
Maximum memory size	256 GB vs 128 GB
Benchmarks
PassMark - Single thread mark	2718 vs 2553
PassMark - CPU mark	26076 vs 21032
Geekbench 4 - Single Core	1178 vs 1129
Geekbench 4 - Multi-Core	12548 vs 10300
3DMark Fire Strike - Physics Score	8353 vs 6987

Reasons to consider the Intel Core i9-7900X

Processor is unlocked, an unlocked multiplier allows for easier overclocking
Around 1% higher maximum core temperature: 95°C vs 94°C
Around 18% lower typical power consumption: 140 Watt vs 165 Watt

Unlocked	Unlocked vs Locked
Maximum core temperature	95°C vs 94°C
Thermal Design Power (TDP)	140 Watt vs 165 Watt

Compare benchmarks

CPU 1: Intel Core i9-10920X
CPU 2: Intel Core i9-7900X

PassMark - Single thread mark

CPU 1

CPU 2

2718

2553

PassMark - CPU mark

CPU 1

CPU 2

26076

21032

Geekbench 4 - Single Core

CPU 1

CPU 2

1178

1129

Geekbench 4 - Multi-Core

CPU 1

CPU 2

12548

10300

3DMark Fire Strike - Physics Score

CPU 1

CPU 2

8353

6987

Name	Intel Core i9-10920X	Intel Core i9-7900X
PassMark - Single thread mark	2718	2553
PassMark - CPU mark	26076	21032
Geekbench 4 - Single Core	1178	1129
Geekbench 4 - Multi-Core	12548	10300
3DMark Fire Strike - Physics Score	8353	6987

Compare specifications (specs)

	Intel Core i9-10920X	Intel Core i9-7900X
Essentials
Architecture codename	Cascade Lake	Skylake
Launch date	7 Oct 2019	30 May 2017
Launch price (MSRP)	$689	$1,050
Place in performance rating	773	951
Processor Number	i9-10920X	i9-7900X
Series	Intel Core X-series Processors	Intel® Core™ X-series Processors
Status	Launched	Launched
Vertical segment	Desktop	Desktop
Price now		$1,383.99
Value for money (0-100)		4.68
Performance
Base frequency	3.50 GHz	3.30 GHz
L1 cache	768 KB	64 KB (per core)
L2 cache	12 MB	256 KB (per core)
L3 cache	19.25 MB	13.8 MB
Manufacturing process technology	14 nm	14 nm
Maximum core temperature	94°C	95°C
Maximum frequency	4.60 GHz	4.30 GHz
Number of cores	12	10
Number of threads	24	20
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	140 Watt
Thermal Solution	PCG 2017X	PCG 2017X
Low Halogen Options Available
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)
Intel® vPro™ Platform Eligibility
Virtualization
Intel® Virtualization Technology (VT-x)
Intel® Virtualization Technology for Directed I/O (VT-d)
AMD Virtualization (AMD-V™)