Intel Core i9 9900K vs AMD Ryzen 9 5950X

We compared two desktop CPUs: the 3.6 GHz Intel Core i9 9900K with 8-cores against the 3.4 GHz AMD Ryzen 9 5950X 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 5950X and 9900K
Advantages of Intel Core i9 9900K
  • Includes an integrated GPU Intel UHD Graphics 630
  • Consumes up to 10% less energy than the Ryzen 9 5950X – 95 vs 105 Watt
  • 2% higher Turbo Boost frequency (5 GHz vs 4.9 GHz)
Advantages of AMD Ryzen 9 5950X
  • Has 48 MB larger L3 cache size
  • Newer - released 2-years later
  • More modern manufacturing process – 7 versus 14 nanometers
  • Has 8 more physical cores
  • 43% faster in a single-core Geekbench v5 test - 1825 vs 1277 points
  • Newer PCI Express version – 4.0
  • Around 6.08 GB/s (15%) 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)
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Full technical specification of Intel Core i9 9900K and AMD Ryzen 9 5950X


Vendor Intel AMD
Released October 8, 2018 October 8, 2020
Type Desktop Desktop
instruction set x86-64 x86-64
Codename Coffee Lake Vermeer
Model number i9-9900K -
Socket LGA-1151 AM4
Integrated GPU UHD Graphics 630 No


Cores 8 16
Threads 16 32
Base Frequency 3.6 GHz 3.4 GHz
Turbo Boost Frequency 5 GHz 4.9 GHz
Bus frequency 100 MHz 100 MHz
Multiplier 36x 34x
Bus Bandwidth 8 GT/s -
L1 Cache 64K (per core) 64K (per core)
L2 Cache 256K (per core) 512K (per core)
L3 Cache 16MB (shared) 64MB (shared)
Unlocked Multiplier Yes Yes


Transistors - 19.2 billions
Fabrication process 14 nm 7 nm
TDP 95 W 105 W
Max. temperature 100°C 95°C


Integrated Graphics Intel UHD Graphics 630 -
GPU Base Clock 350 MHz -
GPU Boost Clock 1200 MHz -
Shading Units 192 -
TMUs 24 -
ROPs 3 -
Execution Units 24 -
TGP 15 W -
Max. Resolution 4096x2304 - 60 Hz -

Memory support

Memory types DDR4-2666 DDR4-3200
Memory Size 128 GB 128 GB
Max. Memory Channels 2 2
Max. Memory Bandwidth 41.6 GB/s 47.68 GB/s
ECC Support No Yes


Official site Intel Core i9 9900K official page AMD Ryzen 9 5950X official page
PCI Express Version 3.0 4.0
PCI Express Lanes 16 20
Extended instructions SSE4.1, SSE4.2, AVX-2 -

Cast your vote

Choose between two processors
17 (15.5%)
93 (84.5%)
Total votes: 110


So which CPU will you choose: AMD Ryzen 9 5950X or Intel Core i9 9900K?
mat 12 December 2020 18:01
With 95W TDP, the 9900k used for the benchmark is a stock version, not overclocked. Overclocked at 4.9-5GHz, it's 38-39% performance increase, hence the 9900k is better for all single core benchmarks.
+6 Reply
zomb 05 November 2020 19:41
Is this compared with an overclocked i9 9900k or is it the standard?
+8 Reply