Intel Core i9-10920X vs Intel Core i9-9940X

Comparative analysis of Intel Core i9-10920X and Intel Core i9-9940X 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 i9-9940X

Differences

Reasons to consider the Intel Core i9-10920X

CPU is newer: launch date 1 year(s) 0 month(s) later
Around 5% higher clock speed: 4.60 GHz vs 4.40 GHz
Around 7% higher maximum core temperature: 94°C vs 88°C
2x more maximum memory size: 256 GB vs 128 GB
Around 4% better performance in PassMark - Single thread mark: 2727 vs 2632
Around 3% better performance in Geekbench 4 - Single Core: 1178 vs 1140

Specifications (specs)
Launch date	7 Oct 2019 vs October 2018
Maximum frequency	4.60 GHz vs 4.40 GHz
Maximum core temperature	94°C vs 88°C
Maximum memory size	256 GB vs 128 GB
Benchmarks
PassMark - Single thread mark	2727 vs 2632
Geekbench 4 - Single Core	1178 vs 1140

Reasons to consider the Intel Core i9-9940X

Processor is unlocked, an unlocked multiplier allows for easier overclocking
2 more cores, run more applications at once: 14 vs 12
4 more threads: 28 vs 24
Around 17% more L1 cache; more data can be stored in the L1 cache for quick access later
Around 17% more L2 cache; more data can be stored in the L2 cache for quick access later
Around 7% better performance in PassMark - CPU mark: 28059 vs 26278
Around 6% better performance in Geekbench 4 - Multi-Core: 13302 vs 12548
Around 37% better performance in 3DMark Fire Strike - Physics Score: 11442 vs 8353

Specifications (specs)
Unlocked	Unlocked vs Locked
Number of cores	14 vs 12
Number of threads	28 vs 24
L1 cache	64K (per core) vs 768 KB
L2 cache	1 MB (per core) vs 12 MB
Benchmarks
PassMark - CPU mark	28059 vs 26278
Geekbench 4 - Multi-Core	13302 vs 12548
3DMark Fire Strike - Physics Score	11442 vs 8353

Compare benchmarks

CPU 1: Intel Core i9-10920X
CPU 2: Intel Core i9-9940X

PassMark - Single thread mark

CPU 1

CPU 2

2727

2632

PassMark - CPU mark

CPU 1

CPU 2

26278

28059

Geekbench 4 - Single Core

CPU 1

CPU 2

1178

1140

Geekbench 4 - Multi-Core

CPU 1

CPU 2

12548

13302

3DMark Fire Strike - Physics Score

CPU 1

CPU 2

8353

11442

Name	Intel Core i9-10920X	Intel Core i9-9940X
PassMark - Single thread mark	2727	2632
PassMark - CPU mark	26278	28059
Geekbench 4 - Single Core	1178	1140
Geekbench 4 - Multi-Core	12548	13302
3DMark Fire Strike - Physics Score	8353	11442

Compare specifications (specs)

	Intel Core i9-10920X	Intel Core i9-9940X
Essentials
Architecture codename	Cascade Lake	Skylake
Launch date	7 Oct 2019	October 2018
Launch price (MSRP)	$689
Place in performance rating	776	699
Processor Number	i9-10920X	i9-9940X
Series	Intel Core X-series Processors	Intel® Core™ X-series Processors
Status	Launched	Launched
Vertical segment	Desktop	Desktop
Performance
Base frequency	3.50 GHz	3.30 GHz
L1 cache	768 KB	64K (per core)
L2 cache	12 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	88°C
Maximum frequency	4.60 GHz	4.40 GHz
Number of cores	12	14
Number of threads	24	28
64 bit support
Bus Speed		8 GT/s DMI3
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)