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).

AMD Ryzen 9 3900

Intel Core i7-8670

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	1427
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)