Intel Core i9 13900K vs AMD Ryzen Threadripper 3990X

We compared two desktop CPUs: the 3.0 GHz Intel Core i9 13900K with 24-cores against the 2.9 GHz AMD Ryzen Threadripper 3990X with 64-cores. On this page, you'll find out which processor has better performance in benchmarks, games and other useful information.


General overview and comparison of the processors
Single-Core Performance
Performance in single-threaded apps and benchmarks
Measure performance when all cores are involved
Power Efficiency
The efficiency score of electricity consumption
NanoReview Final Score
Generic CPU rating

Key Differences

What are the key differences between 3990X and 13900K
Advantages of Intel Core i9 13900K
  • Newer - released 2-years and 9-months later
  • 78% faster in a single-core Geekbench v5 test - 2274 vs 1277 points
  • 26% higher Turbo Boost frequency (5.4 GHz vs 4.3 GHz)
  • Newer PCI Express version – 5.0
  • Includes an integrated GPU Intel UHD Graphics 770
Advantages of AMD Ryzen Threadripper 3990X
  • Has 92 MB larger L3 cache size
  • Has 40 more physical cores
  • Supports up to 256 GB DDR4-3200 RAM
  • Supports quad-channel memory
  • More modern manufacturing process – 7 versus 10 nanometers
  • Around 5.77 GB/s (6%) higher theoretical memory bandwidth


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)
By purchasing through links on this site, we may receive a commission from Amazon. This does not affect our assessment methodology.


Full technical specification of Intel Core i9 13900K and AMD Ryzen Threadripper 3990X


Vendor Intel AMD
Released September 27, 2022 January 10, 2020
Type Desktop Desktop
instruction set x86-64 x86-64
Codename Raptor Lake -
Model number i9-13900K -
Integrated GPU UHD Graphics 770 No


Performance Cores
P-Cores 8 64
P-Threads 16 128
Base Frequency (P) 3.0 GHz 2.9 GHz
Turbo Boost Frequency (P) 5.4 GHz 4.3 GHz
Efficient Cores
E-Cores 16 -
E-Threads 16 -
Base Frequency (E) 2.2 GHz -
Turbo Boost Frequency (E) 4.3 GHz -
Total Cores 24 64
Total Threads 32 128
Bus Frequency 100 MHz 100 MHz
Multiplier 30x 29x
L1 Cache 80K (per core) 96K (per core)
L2 Cache 2MB (per core) 512K (per core)
L3 Cache 36MB (shared) 128MB (shared)
Unlocked Multiplier Yes Yes


Transistors - 19.2 billions
Fabrication process 10 nm 7 nm
Socket LGA-1700 sTRX4
TDP 125 W 280 W
Max. Boost TDP 253 W -
Peak temperature 100°C 95°C


Integrated Graphics Intel UHD Graphics 770 -
GPU Base Clock 300 MHz -
GPU Boost Clock 1650 MHz -
Shading Units 256 -
TMUs 16 -
ROPs 8 -
Execution Units 32 -
TGP 15 W -

Memory Support

Memory types DDR5-5600, DDR4-3200 DDR4-3200
Memory Size 128 GB 256 GB
Max. Memory Channels 2 4
Max. Memory Bandwidth 89.6 GB/s 95.37 GB/s
ECC Support Yes Yes


Official site Intel Core i9 13900K official page AMD Ryzen Threadripper 3990X official page
PCI Express Version 5.0 4.0
PCI Express Lanes 20 64

Cast your vote

Choose between two processors
23 (79.3%)
6 (20.7%)
Total votes: 29


So which CPU will you choose: AMD Ryzen Threadripper 3990X or Intel Core i9 13900K?