Intel Core i9-9900 vs AMD Ryzen 9 3800X

Comparative analysis of Intel Core i9-9900 and AMD Ryzen 9 3800X processors for all known characteristics in the following categories: Essentials, Performance, Memory, Graphics, Graphics interfaces, Graphics image quality, Graphics API support, 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.



Reasons to consider the Intel Core i9-9900

  • Around 6% higher clock speed: 5.00 GHz vs 4.7 GHz
  • 524288x more L3 cache, more data can be stored in the L3 cache for quick access later
  • Around 92% lower typical power consumption: 65 Watt vs 125 Watt
  • Around 6% better performance in PassMark - Single thread mark: 2926 vs 2748
Specifications (specs)
Maximum frequency 5.00 GHz vs 4.7 GHz
L3 cache 16 MB vs 32MB
Thermal Design Power (TDP) 65 Watt vs 125 Watt
PassMark - Single thread mark 2926 vs 2748

Reasons to consider the AMD Ryzen 9 3800X

  • CPU is newer: launch date 7 month(s) later
  • Processor is unlocked, an unlocked multiplier allows for easier overclocking
  • 8 more cores, run more applications at once: 16 vs 8
  • 16 more threads: 32 vs 16
  • 3x more L1 cache, more data can be stored in the L1 cache for quick access later
  • 4x more L2 cache, more data can be stored in the L2 cache for quick access later
  • Around 33% better performance in PassMark - CPU mark: 23311 vs 17489
Specifications (specs)
Launch date December 2019 vs 23 April 2019
Unlocked Unlocked vs Locked
Number of cores 16 vs 8
Number of threads 32 vs 16
L1 cache 96K (per core) vs 512 KB
L2 cache 512K (per core) vs 2 MB
PassMark - CPU mark 23311 vs 17489

Compare benchmarks

CPU 1: Intel Core i9-9900
CPU 2: AMD Ryzen 9 3800X

PassMark - Single thread mark
PassMark - CPU mark
Name Intel Core i9-9900 AMD Ryzen 9 3800X
PassMark - Single thread mark 2926 2748
PassMark - CPU mark 17489 23311
Geekbench 4 - Single Core 1263
Geekbench 4 - Multi-Core 7913
3DMark Fire Strike - Physics Score 0

Compare specifications (specs)

Intel Core i9-9900 AMD Ryzen 9 3800X


Architecture codename Coffee Lake Zen 2
Family Core i9
Launch date 23 April 2019 December 2019
Launch price (MSRP) $439, $449
Place in performance rating 343 33
Processor Number i9-9900
Vertical segment Desktop Desktop


64 bit support
Base frequency 3.10 GHz 3.9 GHz
Bus Speed 8 GT/s DMI3
L1 cache 512 KB 96K (per core)
L2 cache 2 MB 512K (per core)
L3 cache 16 MB 32MB
Manufacturing process technology 14 nm
Maximum core temperature 100 °C
Maximum frequency 5.00 GHz 4.7 GHz
Number of cores 8 16
Number of threads 16 32
Front-side bus (FSB) 7 nm
Transistor count 19,200 million


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


Device ID 0x3E98
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 4096x2304@24Hz

Graphics API support

DirectX 12
OpenGL 4.5


Max number of CPUs in a configuration 1
Sockets supported FCLGA1151 AM4
Thermal Design Power (TDP) 65 Watt 125 Watt
Thermal Solution PCG 2015C (65W)


Max number of PCIe lanes 16
PCI Express revision 3.0
PCIe configurations 1x16, 2x8, 1x8+2x4
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)

Advanced Technologies

Enhanced Intel SpeedStep® technology
Idle States
Instruction set extensions Intel SSE4.1, Intel SSE4.2, Intel AVX2
Intel 64
Intel® Advanced Vector Extensions 2 (AVX2)
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
Fused Multiply-Add 3 (FMA3)
Intel® Advanced Vector Extensions (AVX)


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™)