AMD Ryzen 9 3900 vs Intel Core i7-8670

Comparative analysis of AMD Ryzen 9 3900 and Intel Core i7-8670 processors for all known characteristics in the following categories: Essentials, Performance, Memory, Compatibility, Peripherals, Advanced Technologies, Virtualization, Security & Reliability. Benchmark processor performance analysis: 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), GFXBench 4.0 - Car Chase Offscreen (Frames), GFXBench 4.0 - Car Chase Offscreen (Fps), GFXBench 4.0 - Manhattan (Frames), GFXBench 4.0 - Manhattan (Fps), GFXBench 4.0 - T-Rex (Frames), GFXBench 4.0 - T-Rex (Fps).

 

Differences

Reasons to consider the AMD Ryzen 9 3900

  • CPU is newer: launch date 1 year(s) 8 month(s) later
  • Processor is unlocked, an unlocked multiplier allows for easier overclocking
  • 6 more cores, run more applications at once: 12 vs 6
  • Around 138610% higher clock speed: 4300 MHz vs 3.1 GHz
  • A newer manufacturing process allows for a more powerful, yet cooler running processor: 7 nm vs 14 nm
  • 2x 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
  • 5.3x more L3 cache, more data can be stored in the L3 cache for quick access later
Launch date 24 Sep 2019 vs January 2018
Unlocked Unlocked vs Locked
Number of cores 12 vs 6
Maximum frequency 4300 MHz vs 3.1 GHz
Manufacturing process technology 7 nm vs 14 nm
L1 cache 768 KB vs 64 KB (per core)
L2 cache 6 MB vs 256 KB (per core)
L3 cache 64 MB vs 12288 KB (shared)

Compare benchmarks

CPU 1: AMD Ryzen 9 3900
CPU 2: Intel Core i7-8670

Name AMD Ryzen 9 3900 Intel Core i7-8670
CompuBench 1.5 Desktop - Face Detection (mPixels/s) 30.97
CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s) 70.972
CompuBench 1.5 Desktop - T-Rex (Frames/s) 1.748
CompuBench 1.5 Desktop - Video Composition (Frames/s) 4.924
CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s) 19.043
GFXBench 4.0 - Car Chase Offscreen (Frames) 2120
GFXBench 4.0 - Car Chase Offscreen (Fps) 2120
GFXBench 4.0 - Manhattan (Frames) 1306
GFXBench 4.0 - Manhattan (Fps) 1306
GFXBench 4.0 - T-Rex (Frames) 2279
GFXBench 4.0 - T-Rex (Fps) 2279

Compare specifications (specs)

AMD Ryzen 9 3900 Intel Core i7-8670

Essentials

Architecture codename Zen 2 Coffee Lake
Launch date 24 Sep 2019 January 2018
OPN Tray 100-000000070
Place in performance rating 1442 1429
Vertical segment Desktop Desktop

Performance

64 bit support
Base frequency 3100 MHz
L1 cache 768 KB 64 KB (per core)
L2 cache 6 MB 256 KB (per core)
L3 cache 64 MB 12288 KB (shared)
Manufacturing process technology 7 nm 14 nm
Maximum core temperature 95 °C
Maximum frequency 4300 MHz 3.1 GHz
Number of cores 12 6
Number of threads 24
Unlocked
Maximum case temperature (TCase) 72 °C

Memory

Max memory channels 2
Maximum memory bandwidth 47.68 GB/s
Maximum memory size 128 GB
Supported memory types DDR4-3200 DDR4

Compatibility

Sockets supported AM4
Thermal Design Power (TDP) 65 Watt 65 Watt
Max number of CPUs in a configuration 1

Peripherals

Max number of PCIe lanes 20
PCI Express revision 4.0
PCIe configurations 1x16+x4, 2x8+x4, 1x8+2x4+x4

Advanced Technologies

Enhanced Virus Protection (EVP)
Fused Multiply-Add 3 (FMA3)
Intel® Advanced Vector Extensions (AVX)
Intel® Advanced Vector Extensions 2 (AVX2)
Intel® AES New Instructions

Virtualization

AMD Virtualization (AMD-V™)
Intel® Virtualization Technology (VT-x)
Intel® Virtualization Technology for Directed I/O (VT-d)

Security & Reliability

Intel® Trusted Execution technology (TXT)