Intel Core i9-11900KF vs AMD Ryzen Threadripper 3970X

Comparative analysis of Intel Core i9-11900KF and AMD Ryzen Threadripper 3970X processors for all known characteristics in the following categories: Essentials, Performance, Memory, Compatibility, Peripherals, Security & Reliability, Advanced Technologies, Virtualization. Benchmark processor performance analysis: PassMark - Single thread mark, PassMark - CPU mark, 3DMark Fire Strike - Physics Score, Geekbench 4 - Single Core, Geekbench 4 - Multi-Core.

 

Differences

Reasons to consider the Intel Core i9-11900KF

  • CPU is newer: launch date 1 year(s) 3 month(s) later
  • Around 18% higher clock speed: 5.30 GHz vs 4.5 GHz
  • Around 47% higher maximum core temperature: 100°C vs 68 °C
  • 2.2x lower typical power consumption: 125 Watt vs 280 Watt
  • Around 33% better performance in PassMark - Single thread mark: 3557 vs 2667
Specifications (specs)
Launch date 16 Mar 2021 vs 25 Nov 2019
Maximum frequency 5.30 GHz vs 4.5 GHz
Maximum core temperature 100°C vs 68 °C
Thermal Design Power (TDP) 125 Watt vs 280 Watt
Benchmarks
PassMark - Single thread mark 3557 vs 2667

Reasons to consider the AMD Ryzen Threadripper 3970X

  • Processor is unlocked, an unlocked multiplier allows for easier overclocking
  • 24 more cores, run more applications at once: 32 vs 8
  • 48 more threads: 64 vs 16
  • A newer manufacturing process allows for a more powerful, yet cooler running processor: 7 nm vs 14 nm
  • 4x more L1 cache, more data can be stored in the L1 cache for quick access later
  • 8x 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
  • 4x more maximum memory size: 512 GB vs 128 GB
  • 2.5x better performance in PassMark - CPU mark: 63271 vs 25269
  • 2x better performance in 3DMark Fire Strike - Physics Score: 16764 vs 8401
Specifications (specs)
Unlocked Unlocked vs Locked
Number of cores 32 vs 8
Number of threads 64 vs 16
Manufacturing process technology 7 nm vs 14 nm
L1 cache 2 MB vs 512 KB
L2 cache 16 MB vs 2 MB
L3 cache 128 MB vs 16 MB
Maximum memory size 512 GB vs 128 GB
Benchmarks
PassMark - CPU mark 63271 vs 25269
3DMark Fire Strike - Physics Score 16764 vs 8401

Compare benchmarks

CPU 1: Intel Core i9-11900KF
CPU 2: AMD Ryzen Threadripper 3970X

PassMark - Single thread mark
CPU 1
CPU 2
3557
2667
PassMark - CPU mark
CPU 1
CPU 2
25269
63271
3DMark Fire Strike - Physics Score
CPU 1
CPU 2
8401
16764
Name Intel Core i9-11900KF AMD Ryzen Threadripper 3970X
PassMark - Single thread mark 3557 2667
PassMark - CPU mark 25269 63271
3DMark Fire Strike - Physics Score 8401 16764
Geekbench 4 - Single Core 1264
Geekbench 4 - Multi-Core 22457

Compare specifications (specs)

Intel Core i9-11900KF AMD Ryzen Threadripper 3970X

Essentials

Architecture codename Rocket Lake Zen 2
Launch date 16 Mar 2021 25 Nov 2019
Launch price (MSRP) $513 - $524 $1999
Place in performance rating 475 238
Processor Number i9-11900KF
Series 11th Generation Intel Core i9 Processors
Status Launched
Vertical segment Desktop Desktop

Performance

64 bit support
Base frequency 3.50 GHz 3.7 GHz
Bus Speed 8 GT/s
L1 cache 512 KB 2 MB
L2 cache 2 MB 16 MB
L3 cache 16 MB 128 MB
Manufacturing process technology 14 nm 7 nm
Maximum core temperature 100°C 68 °C
Maximum frequency 5.30 GHz 4.5 GHz
Number of cores 8 32
Number of threads 16 64
Unlocked

Memory

Max memory channels 2 4
Maximum memory bandwidth 50 GB/s
Maximum memory size 128 GB 512 GB
Supported memory types DDR4-3200 DDR4-3200
ECC memory support

Compatibility

Configurable TDP-down 95 Watt
Configurable TDP-down Frequency 3.00 GHz
Max number of CPUs in a configuration 1
Package Size 37.5 mm x 37.5 mm
Sockets supported FCLGA1200 sTRX4
Thermal Design Power (TDP) 125 Watt 280 Watt
Thermal Solution PCG 2019A

Peripherals

Max number of PCIe lanes 20 64
PCI Express revision 4.0 4.0
PCIe configurations Up to 1x16+1x4, 2x8+1x4, 1x8+3x4
Scalability 1S Only

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 AVX-512
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
Thermal Monitoring
Fused Multiply-Add 3 (FMA3)
Intel® Advanced Vector Extensions (AVX)
Intel® Advanced Vector Extensions 2 (AVX2)

Virtualization

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™)