Intel Core i9-10900KF vs AMD Ryzen 9 3950X

Comparative analysis of Intel Core i9-10900KF and AMD Ryzen 9 3950X 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, 3DMark Fire Strike - Physics Score, Geekbench 4 - Single Core, Geekbench 4 - Multi-Core.

Intel Core i9-10900KF

AMD Ryzen 9 3950X

Differences

Reasons to consider the Intel Core i9-10900KF

CPU is newer: launch date 5 month(s) later
Around 13% higher clock speed: 5.30 GHz vs 4.7 GHz
Around 15% better performance in PassMark - Single thread mark: 3120 vs 2705

Specifications (specs)
Launch date	30 Apr 2020 vs 25 Nov 2019
Maximum frequency	5.30 GHz vs 4.7 GHz
Benchmarks
PassMark - Single thread mark	3120 vs 2705

Reasons to consider the AMD Ryzen 9 3950X

Processor is unlocked, an unlocked multiplier allows for easier overclocking
6 more cores, run more applications at once: 16 vs 10
12 more threads: 32 vs 20
A newer manufacturing process allows for a more powerful, yet cooler running processor: 7 nm vs 14 nm
Around 60% more L1 cache; more data can be stored in the L1 cache for quick access later
3.2x more L2 cache, more data can be stored in the L2 cache for quick access later
3.2x more L3 cache, more data can be stored in the L3 cache for quick access later
Around 19% lower typical power consumption: 105 Watt vs 125 Watt
Around 71% better performance in PassMark - CPU mark: 38806 vs 22637
Around 21% better performance in 3DMark Fire Strike - Physics Score: 10804 vs 8953

Specifications (specs)
Unlocked	Unlocked vs Locked
Number of cores	16 vs 10
Number of threads	32 vs 20
Manufacturing process technology	7 nm vs 14 nm
L1 cache	1 MB vs 640 KB
L2 cache	8 MB vs 2560 KB
L3 cache	64 MB vs 20 MB
Thermal Design Power (TDP)	105 Watt vs 125 Watt
Benchmarks
PassMark - CPU mark	38806 vs 22637
3DMark Fire Strike - Physics Score	10804 vs 8953

Compare benchmarks

CPU 1: Intel Core i9-10900KF
CPU 2: AMD Ryzen 9 3950X

PassMark - Single thread mark

CPU 1

CPU 2

3120

2705

PassMark - CPU mark

CPU 1

CPU 2

22637

38806

3DMark Fire Strike - Physics Score

CPU 1

CPU 2

8953

10804

Name	Intel Core i9-10900KF	AMD Ryzen 9 3950X
PassMark - Single thread mark	3120	2705
PassMark - CPU mark	22637	38806
3DMark Fire Strike - Physics Score	8953	10804
Geekbench 4 - Single Core		1296
Geekbench 4 - Multi-Core		14150

Compare specifications (specs)

	Intel Core i9-10900KF	AMD Ryzen 9 3950X
Essentials
Architecture codename	Comet Lake	Zen 2
Launch date	30 Apr 2020	25 Nov 2019
Launch price (MSRP)	$463 - $474	$749
Place in performance rating	592	593
Processor Number	i9-10900KF
Series	10th Generation Intel Core i9 Processors
Status	Launched
Vertical segment	Desktop	Desktop
OPN PIB		100-100000051WOF
OPN Tray		100-000000051
Performance
64 bit support
Base frequency	3.70 GHz	3.5 GHz
Bus Speed	8 GT/s
L1 cache	640 KB	1 MB
L2 cache	2560 KB	8 MB
L3 cache	20 MB	64 MB
Manufacturing process technology	14 nm	7 nm
Maximum core temperature	100°C
Maximum frequency	5.30 GHz	4.7 GHz
Number of cores	10	16
Number of threads	20	32
Unlocked
Memory
Max memory channels	2	2
Maximum memory bandwidth	45.8 GB/s
Maximum memory size	128 GB
Supported memory types	DDR4-2933	DDR4-3200
Compatibility
Configurable TDP-down	95 Watt
Configurable TDP-down Frequency	3.30 GHz
Max number of CPUs in a configuration	1
Package Size	37.5mm x 37.5mm
Sockets supported	FCLGA1200	AM4
Thermal Design Power (TDP)	125 Watt	105 Watt
Thermal Solution	PCG 2015D
Peripherals
Max number of PCIe lanes	16	40
PCI Express revision	3.0	4.0
PCIe configurations	Up to 1x16, 2x8, 1x8+2x4
Scalability	1S Only
Security & Reliability
Execute Disable Bit (EDB)
Intel® Identity Protection technology
Intel® OS Guard
Intel® Secure Key technology
Intel® Software Guard Extensions (Intel® SGX)
Intel® Trusted Execution technology (TXT)
Secure Boot
Advanced Technologies
Enhanced Intel SpeedStep® technology
Idle States
Instruction set extensions	Intel SSE4.1, Intel SSE4.2, Intel AVX2
Intel 64
Intel® AES New Instructions
Intel® Hyper-Threading technology
Intel® Optane™ Memory Supported
Intel® Stable Image Platform Program (SIPP)
Intel® Thermal Velocity Boost
Intel® Turbo Boost technology
Thermal Monitoring
Virtualization
Intel® Virtualization Technology (VT-x)
Intel® Virtualization Technology for Directed I/O (VT-d)
Intel® VT-x with Extended Page Tables (EPT)