AMD Ryzen 9 3800X vs Intel Core i9-9940X

Comparative analysis of AMD Ryzen 9 3800X and Intel Core i9-9940X processors for all known characteristics in the following categories: Essentials, Performance, Memory, Compatibility, Advanced Technologies, Virtualization, Peripherals, Security & Reliability. Benchmark processor performance analysis: PassMark - Single thread mark, PassMark - CPU mark, Geekbench 4 - Single Core, Geekbench 4 - Multi-Core, 3DMark Fire Strike - Physics Score.

AMD Ryzen 9 3800X

Intel Core i9-9940X

Differences

Reasons to consider the AMD Ryzen 9 3800X

CPU is newer: launch date 1 year(s) 2 month(s) later
2 more cores, run more applications at once: 16 vs 14
4 more threads: 32 vs 28
Around 7% higher clock speed: 4.7 GHz vs 4.40 GHz
Around 71% more L1 cache; more data can be stored in the L1 cache for quick access later
Around 32% lower typical power consumption: 125 Watt vs 165 Watt
Around 3% better performance in PassMark - Single thread mark: 2715 vs 2626

Specifications (specs)
Launch date	December 2019 vs October 2018
Number of cores	16 vs 14
Number of threads	32 vs 28
Maximum frequency	4.7 GHz vs 4.40 GHz
L1 cache	96K (per core) vs 64K (per core)
Thermal Design Power (TDP)	125 Watt vs 165 Watt
Benchmarks
PassMark - Single thread mark	2715 vs 2626

Reasons to consider the Intel Core i9-9940X

Around 75% more L2 cache; more data can be stored in the L2 cache for quick access later
630784x more L3 cache, more data can be stored in the L3 cache for quick access later
Around 22% better performance in PassMark - CPU mark: 28097 vs 23078

Specifications (specs)
L2 cache	1 MB (per core) vs 512K (per core)
L3 cache	19.25 MB (shared) vs 32MB
Benchmarks
PassMark - CPU mark	28097 vs 23078

Compare benchmarks

CPU 1: AMD Ryzen 9 3800X
CPU 2: Intel Core i9-9940X

PassMark - Single thread mark

CPU 1

CPU 2

2715

2626

PassMark - CPU mark

CPU 1

CPU 2

23078

28097

Name	AMD Ryzen 9 3800X	Intel Core i9-9940X
PassMark - Single thread mark	2715	2626
PassMark - CPU mark	23078	28097
Geekbench 4 - Single Core		1140
Geekbench 4 - Multi-Core		13302
3DMark Fire Strike - Physics Score		11442

Compare specifications (specs)

	AMD Ryzen 9 3800X	Intel Core i9-9940X
Essentials
Architecture codename	Zen 2	Skylake
Launch date	December 2019	October 2018
Place in performance rating	673	663
Vertical segment	Desktop	Desktop
Processor Number		i9-9940X
Series		Intel® Core™ X-series Processors
Status		Launched
Performance
64 bit support
Base frequency	3.9 GHz	3.30 GHz
Front-side bus (FSB)	7 nm
L1 cache	96K (per core)	64K (per core)
L2 cache	512K (per core)	1 MB (per core)
L3 cache	32MB	19.25 MB (shared)
Maximum frequency	4.7 GHz	4.40 GHz
Number of cores	16	14
Number of threads	32	28
Transistor count	19,200 million
Unlocked
Bus Speed		8 GT/s DMI3
Manufacturing process technology		14 nm
Maximum core temperature		88°C
Number of QPI Links		0
Memory
Supported memory types	DDR4	DDR4-2666
Max memory channels		4
Maximum memory size		128 GB
Compatibility
Sockets supported	AM4	FCLGA2066
Thermal Design Power (TDP)	125 Watt	165 Watt
Max number of CPUs in a configuration		1
Thermal Solution		PCG 2017X
Advanced Technologies
Fused Multiply-Add 3 (FMA3)
Intel® Advanced Vector Extensions (AVX)
Intel® Advanced Vector Extensions 2 (AVX2)
Intel® AES New Instructions
Enhanced Intel SpeedStep® technology
Instruction set extensions		Intel® SSE4.1, Intel® SSE4.2, Intel® AVX2, Intel® AVX-512
Intel 64
Intel® Hyper-Threading technology
Intel® Optane™ Memory Supported
Intel® Turbo Boost technology
Number of AVX-512 FMA Units		2
Virtualization
AMD Virtualization (AMD-V™)
Intel® Virtualization Technology (VT-x)
Intel® Virtualization Technology for Directed I/O (VT-d)
Peripherals
Max number of PCIe lanes		44
PCI Express revision		3.0
Scalability		1S Only
Security & Reliability
Execute Disable Bit (EDB)
Intel® Trusted Execution technology (TXT)