Intel Core i9-10940X vs Intel Core i9-9940X

Comparative analysis of Intel Core i9-10940X 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: Geekbench 4 - Single Core, Geekbench 4 - Multi-Core, PassMark - Single thread mark, PassMark - CPU mark, 3DMark Fire Strike - Physics Score.

Intel Core i9-10940X

Intel Core i9-9940X

Differences

Reasons to consider the Intel Core i9-10940X

CPU is newer: launch date 1 year(s) 0 month(s) later
Around 5% higher clock speed: 4.60 GHz vs 4.40 GHz
2x more maximum memory size: 256 GB vs 128 GB
Around 3% better performance in Geekbench 4 - Single Core: 1176 vs 1140
Around 2% better performance in Geekbench 4 - Multi-Core: 13529 vs 13302
Around 1% better performance in PassMark - Single thread mark: 2669 vs 2632

Specifications (specs)
Launch date	7 Oct 2019 vs October 2018
Maximum frequency	4.60 GHz vs 4.40 GHz
Maximum memory size	256 GB vs 128 GB
Benchmarks
Geekbench 4 - Single Core	1176 vs 1140
Geekbench 4 - Multi-Core	13529 vs 13302
PassMark - Single thread mark	2669 vs 2632

Reasons to consider the Intel Core i9-9940X

Processor is unlocked, an unlocked multiplier allows for easier overclocking
Around 2% higher maximum core temperature: 88°C vs 86°C
Around 1% better performance in PassMark - CPU mark: 28059 vs 27860
Around 2% better performance in 3DMark Fire Strike - Physics Score: 11442 vs 11222

Specifications (specs)
Unlocked	Unlocked vs Locked
Maximum core temperature	88°C vs 86°C
Benchmarks
PassMark - CPU mark	28059 vs 27860
3DMark Fire Strike - Physics Score	11442 vs 11222

Compare benchmarks

CPU 1: Intel Core i9-10940X
CPU 2: Intel Core i9-9940X

Geekbench 4 - Single Core

CPU 1

CPU 2

1176

1140

Geekbench 4 - Multi-Core

CPU 1

CPU 2

13529

13302

PassMark - Single thread mark

CPU 1

CPU 2

2669

2632

PassMark - CPU mark

CPU 1

CPU 2

27860

28059

3DMark Fire Strike - Physics Score

CPU 1

CPU 2

11222

11442

Name	Intel Core i9-10940X	Intel Core i9-9940X
Geekbench 4 - Single Core	1176	1140
Geekbench 4 - Multi-Core	13529	13302
PassMark - Single thread mark	2669	2632
PassMark - CPU mark	27860	28059
3DMark Fire Strike - Physics Score	11222	11442

Compare specifications (specs)

	Intel Core i9-10940X	Intel Core i9-9940X
Essentials
Architecture codename	Cascade Lake	Skylake
Launch date	7 Oct 2019	October 2018
Launch price (MSRP)	$784
Place in performance rating	681	695
Processor Number	i9-10940X	i9-9940X
Series	Intel Core X-series Processors	Intel® Core™ X-series Processors
Status	Launched	Launched
Vertical segment	Desktop	Desktop
Performance
Base frequency	3.30 GHz	3.30 GHz
L1 cache	896 KB	64K (per core)
L2 cache	14 MB	1 MB (per core)
L3 cache	19.25 MB	19.25 MB (shared)
Manufacturing process technology	14 nm	14 nm
Maximum core temperature	86°C	88°C
Maximum frequency	4.60 GHz	4.40 GHz
Number of cores	14	14
Number of threads	28	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)