Intel Core i9-11900KF vs AMD Ryzen Threadripper 3990X

Comparative analysis of Intel Core i9-11900KF and AMD Ryzen Threadripper 3990X 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 i9-11900KF

AMD Ryzen Threadripper 3990X

Differences

Reasons to consider the Intel Core i9-11900KF

CPU is newer: launch date 1 year(s) 1 month(s) later
Around 23% higher clock speed: 5.30 GHz vs 4.3 GHz
Around 5% higher maximum core temperature: 100°C vs 95 °C
2.2x lower typical power consumption: 125 Watt vs 280 Watt
Around 39% better performance in PassMark - Single thread mark: 3556 vs 2564

Specifications (specs)
Launch date	16 Mar 2021 vs 7 Feb 2020
Maximum frequency	5.30 GHz vs 4.3 GHz
Maximum core temperature	100°C vs 95 °C
Thermal Design Power (TDP)	125 Watt vs 280 Watt
Benchmarks
PassMark - Single thread mark	3556 vs 2564

Reasons to consider the AMD Ryzen Threadripper 3990X

Processor is unlocked, an unlocked multiplier allows for easier overclocking
56 more cores, run more applications at once: 64 vs 8
112 more threads: 128 vs 16
A newer manufacturing process allows for a more powerful, yet cooler running processor: 7 nm vs 14 nm
8x more L1 cache, more data can be stored in the L1 cache for quick access later
16x more L2 cache, more data can be stored in the L2 cache for quick access later
16x more L3 cache, more data can be stored in the L3 cache for quick access later
4x more maximum memory size: 512 GB vs 128 GB
3.2x better performance in PassMark - CPU mark: 80866 vs 25248
2.2x better performance in 3DMark Fire Strike - Physics Score: 18334 vs 8401

Specifications (specs)
Unlocked	Unlocked vs Locked
Number of cores	64 vs 8
Number of threads	128 vs 16
Manufacturing process technology	7 nm vs 14 nm
L1 cache	4 MB vs 512 KB
L2 cache	32 MB vs 2 MB
L3 cache	256 MB vs 16 MB
Maximum memory size	512 GB vs 128 GB
Benchmarks
PassMark - CPU mark	80866 vs 25248
3DMark Fire Strike - Physics Score	18334 vs 8401

Compare benchmarks

CPU 1: Intel Core i9-11900KF
CPU 2: AMD Ryzen Threadripper 3990X

PassMark - Single thread mark

CPU 1

CPU 2

3556

2564

PassMark - CPU mark

CPU 1

CPU 2

25248

80866

3DMark Fire Strike - Physics Score

CPU 1

CPU 2

8401

18334

Name	Intel Core i9-11900KF	AMD Ryzen Threadripper 3990X
PassMark - Single thread mark	3556	2564
PassMark - CPU mark	25248	80866
3DMark Fire Strike - Physics Score	8401	18334
Geekbench 4 - Single Core		1214
Geekbench 4 - Multi-Core		23273

Compare specifications (specs)

	Intel Core i9-11900KF	AMD Ryzen Threadripper 3990X
Essentials
Architecture codename	Rocket Lake	Zen
Launch date	16 Mar 2021	7 Feb 2020
Launch price (MSRP)	$513 - $524	$3990
Place in performance rating	477	180
Processor Number	i9-11900KF
Series	11th Generation Intel Core i9 Processors
Status	Launched
Vertical segment	Desktop	Desktop
OPN PIB		100-100000163WOF
OPN Tray		100-000000163
Performance
64 bit support
Base frequency	3.50 GHz	2.9 GHz
Bus Speed	8 GT/s
L1 cache	512 KB	4 MB
L2 cache	2 MB	32 MB
L3 cache	16 MB	256 MB
Manufacturing process technology	14 nm	7 nm
Maximum core temperature	100°C	95 °C
Maximum frequency	5.30 GHz	4.3 GHz
Number of cores	8	64
Number of threads	16	128
Unlocked
Memory
Max memory channels	2	8
Maximum memory bandwidth	50 GB/s
Maximum memory size	128 GB	512 GB
Supported memory types	DDR4-3200	DDR4-3200
Compatibility
Configurable TDP-down	95 Watt
Configurable TDP-down Frequency	3.00 GHz
Max number of CPUs in a configuration	1
Package Size	37.5 mm x 37.5 mm
Sockets supported	FCLGA1200	sTRX4
Thermal Design Power (TDP)	125 Watt	280 Watt
Thermal Solution	PCG 2019A
Peripherals
Max number of PCIe lanes	20
PCI Express revision	4.0	4.0
PCIe configurations	Up to 1x16+1x4, 2x8+1x4, 1x8+3x4
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 AVX-512
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
Fused Multiply-Add 3 (FMA3)
Intel® Advanced Vector Extensions (AVX)
Intel® Advanced Vector Extensions 2 (AVX2)
The "Zen" Core Architecture
Virtualization
Intel® Virtualization Technology (VT-x)
Intel® Virtualization Technology for Directed I/O (VT-d)
Intel® VT-x with Extended Page Tables (EPT)
AMD Virtualization (AMD-V™)