AMD Ryzen 9 3900 vs Intel Core i7-7740X

Comparative analysis of AMD Ryzen 9 3900 and Intel Core i7-7740X 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), PassMark - Single thread mark, PassMark - CPU mark, Geekbench 4 - Single Core, Geekbench 4 - Multi-Core, 3DMark Fire Strike - Physics Score.

 

Differences

Reasons to consider the AMD Ryzen 9 3900

  • CPU is newer: launch date 2 year(s) 3 month(s) later
  • 8 more cores, run more applications at once: 12 vs 4
  • 16 more threads: 24 vs 8
  • Around 95456% higher clock speed: 4300 MHz vs 4.50 GHz
  • A newer manufacturing process allows for a more powerful, yet cooler running processor: 7 nm vs 14 nm
  • 3x more L1 cache, more data can be stored in the L1 cache for quick access later
  • 6x more L2 cache, more data can be stored in the L2 cache for quick access later
  • 8x more L3 cache, more data can be stored in the L3 cache for quick access later
  • 2x more maximum memory size: 128 GB vs 64 GB
  • Around 72% lower typical power consumption: 65 Watt vs 112 Watt
Launch date 24 Sep 2019 vs 30 May 2017
Number of cores 12 vs 4
Number of threads 24 vs 8
Maximum frequency 4300 MHz vs 4.50 GHz
Manufacturing process technology 7 nm vs 14 nm
L1 cache 768 KB vs 256 KB
L2 cache 6 MB vs 1 MB
L3 cache 64 MB vs 8 MB
Maximum memory size 128 GB vs 64 GB
Thermal Design Power (TDP) 65 Watt vs 112 Watt

Reasons to consider the Intel Core i7-7740X

  • Around 5% higher maximum core temperature: 100°C vs 95 °C
Maximum core temperature 100°C vs 95 °C

Compare benchmarks

CPU 1: AMD Ryzen 9 3900
CPU 2: Intel Core i7-7740X

Name AMD Ryzen 9 3900 Intel Core i7-7740X
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
PassMark - Single thread mark 2693
PassMark - CPU mark 9621
Geekbench 4 - Single Core 1251
Geekbench 4 - Multi-Core 4898
3DMark Fire Strike - Physics Score 0

Compare specifications (specs)

AMD Ryzen 9 3900 Intel Core i7-7740X

Essentials

Architecture codename Zen 2 Kaby Lake
Launch date 24 Sep 2019 30 May 2017
OPN Tray 100-000000070
Place in performance rating 1442 1438
Vertical segment Desktop Desktop
Launch price (MSRP) $350
Price now $348.99
Processor Number i7-7740X
Series Intel® Core™ X-series Processors
Status Discontinued
Value for money (0-100) 10.34

Performance

64 bit support
Base frequency 3100 MHz 4.30 GHz
L1 cache 768 KB 256 KB
L2 cache 6 MB 1 MB
L3 cache 64 MB 8 MB
Manufacturing process technology 7 nm 14 nm
Maximum core temperature 95 °C 100°C
Maximum frequency 4300 MHz 4.50 GHz
Number of cores 12 4
Number of threads 24 8
Unlocked
Bus Speed 8 GT/s DMI3
Maximum case temperature (TCase) 72 °C
Number of QPI Links 0

Memory

Max memory channels 2 2
Maximum memory bandwidth 47.68 GB/s
Maximum memory size 128 GB 64 GB
Supported memory types DDR4-3200 DDR4-2666

Compatibility

Sockets supported AM4 FCLGA2066
Thermal Design Power (TDP) 65 Watt 112 Watt
Low Halogen Options Available
Max number of CPUs in a configuration 1
Thermal Solution PCG 2017X

Peripherals

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

Advanced Technologies

Enhanced Virus Protection (EVP)
Fused Multiply-Add 3 (FMA3)
Intel® Advanced Vector Extensions (AVX)
Intel® Advanced Vector Extensions 2 (AVX2)
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® Turbo Boost technology
Intel® vPro™ Platform Eligibility

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)