AMD Ryzen 9 3900XT vs Intel Core i9-10900K

Comparative analysis of AMD Ryzen 9 3900XT and Intel Core i9-10900K processors for all known characteristics in the following categories: Essentials, Performance, Memory, Compatibility, Peripherals, Graphics, Graphics interfaces, Graphics image quality, Graphics API support, Security & Reliability, Advanced Technologies, Virtualization. Benchmark processor performance analysis: PassMark - Single thread mark, PassMark - CPU mark, 3DMark Fire Strike - Physics Score.



Reasons to consider the AMD Ryzen 9 3900XT

  • Processor is unlocked, an unlocked multiplier allows for easier overclocking
  • 2 more cores, run more applications at once: 12 vs 10
  • 4 more threads: 24 vs 20
  • A newer manufacturing process allows for a more powerful, yet cooler running processor: 7 nm vs 14 nm
  • 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 37% better performance in PassMark - CPU mark: 33004 vs 24015
Specifications (specs)
Unlocked Unlocked vs Locked
Number of cores 12 vs 10
Number of threads 24 vs 20
Manufacturing process technology 7 nm vs 14 nm
L3 cache 64 MB vs 20 MB
Thermal Design Power (TDP) 105 Watt vs 125 Watt
PassMark - CPU mark 33004 vs 24015

Reasons to consider the Intel Core i9-10900K

  • Around 13% higher clock speed: 5.30 GHz vs 4.7 GHz
  • Around 13% better performance in PassMark - Single thread mark: 3168 vs 2801
  • Around 14% better performance in 3DMark Fire Strike - Physics Score: 13948 vs 12266
Specifications (specs)
Maximum frequency 5.30 GHz vs 4.7 GHz
PassMark - Single thread mark 3168 vs 2801
3DMark Fire Strike - Physics Score 13948 vs 12266

Compare benchmarks

CPU 1: AMD Ryzen 9 3900XT
CPU 2: Intel Core i9-10900K

PassMark - Single thread mark
PassMark - CPU mark
3DMark Fire Strike - Physics Score
Name AMD Ryzen 9 3900XT Intel Core i9-10900K
PassMark - Single thread mark 2801 3168
PassMark - CPU mark 33004 24015
3DMark Fire Strike - Physics Score 12266 13948

Compare specifications (specs)

AMD Ryzen 9 3900XT Intel Core i9-10900K


Architecture codename Zen 2 Comet Lake
Launch date July 2020 Q2'20
OPN PIB 100-100000277WOF
Place in performance rating 15 10
Vertical segment Desktop Desktop
Launch price (MSRP) $488 - $499
Processor Number i9-10900K
Series 10th Generation Intel Core i9 Processors
Status Launched


Base frequency 3.8 GHz 3.70 GHz
L2 cache 6 MB
L3 cache 64 MB 20 MB
Manufacturing process technology 7 nm 14 nm
Maximum frequency 4.7 GHz 5.30 GHz
Number of cores 12 10
Number of threads 24 20
64 bit support
Bus Speed 8 GT/s
Maximum core temperature 100°C


ECC memory support
Max memory channels 2 2
Maximum memory size 128 GB 128 GB
Supported memory types DDR4-3200 DDR4-2933
Maximum memory bandwidth 45.8 GB/s


Sockets supported AM4 FCLGA1200
Thermal Design Power (TDP) 105 Watt 125 Watt
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
Thermal Solution PCG 2015D


Max number of PCIe lanes 20 16
PCI Express revision 4.0 3.0
PCIe configurations Up to 1x16, 2x8, 1x8+2x4
Scalability 1S Only


Device ID 0x9BC5
Graphics base frequency 350 MHz
Graphics max dynamic frequency 1.20 GHz
Intel® Clear Video HD technology
Intel® Clear Video technology
Intel® InTru™ 3D technology
Intel® Quick Sync Video
Max video memory 64 GB
Processor graphics Intel UHD Graphics 630

Graphics interfaces

Number of displays supported 3

Graphics image quality

4K resolution support
Max resolution over DisplayPort 4096x2304@60Hz
Max resolution over eDP 4096x2304@60Hz
Max resolution over HDMI 1.4 4096x2160@30Hz

Graphics API support

DirectX 12
OpenGL 4.5

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
Intel® vPro™ Platform Eligibility
Thermal Monitoring


Intel® Virtualization Technology (VT-x)
Intel® Virtualization Technology for Directed I/O (VT-d)
Intel® VT-x with Extended Page Tables (EPT)