Intel Core i9 9900X vs AMD Ryzen Threadripper 2950X

We compared two desktop CPUs: the 3.5 GHz Intel Core i9 9900X with 10-cores against the 3.5 GHz AMD Ryzen Threadripper 2950X with 16-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 2950X and 9900X
Advantages of Intel Core i9 9900X
  • More than 24° C higher critical temperature
  • Consumes up to 8% less energy than the Ryzen Threadripper 2950X – 165 vs 180 Watt
Advantages of AMD Ryzen Threadripper 2950X
  • Supports up to 2048 GB DDR4-2933 RAM
  • Has 6 more physical cores
  • Has 12 MB larger L3 cache size
  • More modern manufacturing process – 12 versus 14 nanometers


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)
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Full technical specification of Intel Core i9 9900X and AMD Ryzen Threadripper 2950X


Vendor Intel AMD
Released October 8, 2018 August 31, 2018
Type Desktop Desktop
instruction set x86-64 x86-64
Codename Skylake Zen+
Model number i9-9900X -
Socket LGA-2066 sTR4
Integrated GPU No No


Cores 10 16
Threads 20 32
Base Frequency 3.5 GHz 3.5 GHz
Turbo Boost Frequency 4.4 GHz 4.4 GHz
Bus frequency 100 MHz 100 MHz
Multiplier 35x 35x
Bus Bandwidth 8 GT/s -
L1 Cache 64K (per core) 96K (per core)
L2 Cache 1MB (per core) 512K (per core)
L3 Cache 20MB (shared) 32MB (shared)
Unlocked Multiplier Yes Yes


Transistors - 9.6 billions
Fabrication process 14 nm 12 nm
TDP 165 W 180 W
Max. temperature 92°C 68°C

Memory support

Memory types DDR4-2666 DDR4-2933
Memory Size 128 GB 2048 GB
Max. Memory Channels 4 4
Max. Memory Bandwidth - 87.42 GB/s
ECC Support No Yes


Official site Intel Core i9 9900X official page AMD Ryzen Threadripper 2950X official page
PCI Express Version 3.0 3.0
PCI Express Lanes 44 60
Extended instructions SSE4.1, SSE4.2, AVX-2, AVX-512 -

Cast your vote

Choose between two processors
1 (33.3%)
2 (66.7%)
Total votes: 3


So which CPU will you choose: AMD Ryzen Threadripper 2950X or Intel Core i9 9900X?