AMD Ryzen 9 3900X vs Intel Core i9-9900KF

Comparative analysis of AMD Ryzen 9 3900X and Intel Core i9-9900KF 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, CompuBench 1.5 Desktop - Face Detection (mPixels/s), CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s), CompuBench 1.5 Desktop - T-Rex (Frames/s), CompuBench 1.5 Desktop - Video Composition (Frames/s), CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s).

 

Differences

Reasons to consider the AMD Ryzen 9 3900X

  • Processor is unlocked, an unlocked multiplier allows for easier overclocking
  • 4 more cores, run more applications at once: 12 vs 8
  • 8 more threads: 24 vs 16
  • Around 91900% higher clock speed: 4600 MHz vs 5.00 GHz
  • A newer manufacturing process allows for a more powerful, yet cooler running processor: 7 nm vs 14 nm
  • Around 78% better performance in PassMark - CPU mark: 32661 vs 18317
  • Around 38% better performance in Geekbench 4 - Multi-Core: 12037 vs 8735
  • Around 22% better performance in 3DMark Fire Strike - Physics Score: 8594 vs 7066
Specifications (specs)
Unlocked Unlocked vs Locked
Number of cores 12 vs 8
Number of threads 24 vs 16
Maximum frequency 4600 MHz vs 5.00 GHz
Manufacturing process technology 7 nm vs 14 nm
Benchmarks
PassMark - CPU mark 32661 vs 18317
Geekbench 4 - Multi-Core 12037 vs 8735
3DMark Fire Strike - Physics Score 8594 vs 7066

Reasons to consider the Intel Core i9-9900KF

  • Around 11% lower typical power consumption: 95 Watt vs 105 Watt
  • Around 8% better performance in PassMark - Single thread mark: 2933 vs 2707
  • Around 5% better performance in Geekbench 4 - Single Core: 1343 vs 1276
Specifications (specs)
Thermal Design Power (TDP) 95 Watt vs 105 Watt
Benchmarks
PassMark - Single thread mark 2933 vs 2707
Geekbench 4 - Single Core 1343 vs 1276

Compare benchmarks

CPU 1: AMD Ryzen 9 3900X
CPU 2: Intel Core i9-9900KF

PassMark - Single thread mark
CPU 1
CPU 2
2707
2933
PassMark - CPU mark
CPU 1
CPU 2
32661
18317
Geekbench 4 - Single Core
CPU 1
CPU 2
1276
1343
Geekbench 4 - Multi-Core
CPU 1
CPU 2
12037
8735
3DMark Fire Strike - Physics Score
CPU 1
CPU 2
8594
7066
Name AMD Ryzen 9 3900X Intel Core i9-9900KF
PassMark - Single thread mark 2707 2933
PassMark - CPU mark 32661 18317
Geekbench 4 - Single Core 1276 1343
Geekbench 4 - Multi-Core 12037 8735
3DMark Fire Strike - Physics Score 8594 7066
CompuBench 1.5 Desktop - Face Detection (mPixels/s) 30.575
CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s) 72.097
CompuBench 1.5 Desktop - T-Rex (Frames/s) 1.745
CompuBench 1.5 Desktop - Video Composition (Frames/s) 5.887
CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s) 22.686

Compare specifications (specs)

AMD Ryzen 9 3900X Intel Core i9-9900KF

Essentials

Architecture codename Zen 2 Coffee Lake
Family Ryzen
Launch date 7 July 2019 Q1'19
OPN PIB 100-100000023BOX
OPN Tray 100-000000023
Place in performance rating 1006 883
Vertical segment Desktop Desktop
Processor Number i9-9900KF
Series 9th Generation Intel® Core™ i9 Processors
Status Launched

Performance

Base frequency 3800 MHz 3.60 GHz
L2 cache 6 MB
L3 cache 64 MB
Manufacturing process technology 7 nm 14 nm
Maximum frequency 4600 MHz 5.00 GHz
Number of cores 12 8
Number of threads 24 16
Unlocked
64 bit support
Bus Speed 8 GT/s DMI3
Maximum core temperature 100°C

Memory

Max memory channels 2 2
Supported memory types DDR4-3200 DDR4-2666
Maximum memory bandwidth 41.6 GB/s
Maximum memory size 128 GB

Compatibility

Sockets supported AM4 FCLGA1151
Thermal Design Power (TDP) 105 Watt 95 Watt
Max number of CPUs in a configuration 1
Package Size 37.5mm x 37.5mm
Thermal Solution PCG 2015D (130W)

Peripherals

PCI Express revision 4.0 3.0
PCIe configurations x16 Up to 1x16, 2x8, 1x8+2x4
Max number of PCIe lanes 16
Scalability 1S Only

Security & Reliability

Execute Disable Bit (EDB)
Intel® Identity Protection technology
Intel® Memory Protection Extensions (Intel® MPX)
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® TSX-NI
Intel® Turbo Boost technology
Intel® vPro™ Platform Eligibility
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)