amd ryzen threadripper 3990x vs intel core i9 12900kf

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We compared two CPUs AMD Ryzen Threadripper 3990X (Desktop) 64-cores against Intel Core i9 12900KF (Desktop) 16-cores. In this comparison page, we check which of these two processor has better performance in benchmark results, Games, architecture, price and other useful information.

Review

General overview and comparison of the processors
Single-Core Performance
Performance in single-threaded apps and benchmarks
Performance
Measure performance when all cores are involved

Key Differences

What are the key differences between AMD Ryzen Threadripper 3990X and Intel Core i9 12900KF
Advantages of AMD Ryzen Threadripper 3990X
  • Has 48 more physical cores
  • Around 25.6 GB/s (25%) higher theoretical memory bandwidth
  • Has 226 MB larger L3 cache size
  • Supports up to 256 GB DDR4-3200 RAM
Advantages of Intel Core i9 12900KF
  • Newer released 2 years later
  • Consumes up to 55% less energy than the AMD Ryzen Threadripper 3990X – 125 vs 280 Watt
  • 17% higher Turbo Boost frequency (5.2 GHz vs 4.3 GHz)

Benchmarks

Comparing the performance of CPUs in benchmarks
Cinebench R23 (Single-Core)
Cinebench R23 (Multi-Core)
Passmark CPU (Single-Core)
Passmark CPU (Multi-Core)
Geekbench 5 (Single-Core)
Geekbench 5 (Multi-Core)

Specifications

Full technical specification of ryzen threadripper 3990x and core i9 12900kf

General

AMD Ryzen Threadripper 3990X Intel Core i9 12900KF
Vendor AMD Intel
Released November 25 2019 October 27 2021
Type Desktop Desktop
instruction set x86-64 x86-64
Codename Matisse Alder Lake, Golden Cove, Gracemont
Socket TR4 FCLGA1700
Integrated GPU -

Performance

AMD Ryzen Threadripper 3990X Intel Core i9 12900KF
Cores 64 16
Threads 128 24
Base Frequency 2.9 GHz 3.2 GHz
Turbo Boost Frequency 4.3 GHz 5.2 GHz
L1 Cache 96K (per core) 80K (per core)
L2 Cache 512K (per core) 1.25 MB (per core)
L3 Cache 256 MB 30 MB (shared)
Unlocked Multiplier Yes Yes

Power

AMD Ryzen Threadripper 3990X Intel Core i9 12900KF
Fabrication process 7 nm, 12 nm Intel 7 nm
Power consumption (TDP) 280 W 125 W
Max. temperature °C 100°C

Memory support

AMD Ryzen Threadripper 3990X Intel Core i9 12900KF
Memory types DDR4-3200 DDR5-4800, DDR4-3200
Memory Size 256 GB 128 GB
Max. Memory Channels 4 2
Max. Memory Bandwidth 102.403 GB/s 76.8 GB/s
ECC Support Yes No

iGPU

AMD Ryzen Threadripper 3990X Intel Core i9 12900KF
Integrated Graphics -

Misc

AMD Ryzen Threadripper 3990X Intel Core i9 12900KF
Official site AMD Ryzen Threadripper 3990X official page Intel Core i9 12900KF official page
PCI Express Version 4
PCI Express Lanes 20

Comments

So which CPU will you choose: Intel Core i9 12900KF or AMD Ryzen Threadripper 3990X?