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Intel Core i9 10980XE vs AMD Ryzen 9 3900X

We compared two desktop CPUs: the 3.0 GHz Intel Core i9 10980XE with 18-cores against the 3.8 GHz AMD Ryzen 9 3900X with 12-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 3900X and 10980XE
Advantages of Intel Core i9 10980XE
  • Supports up to 256 GB DDR4-2933 RAM
  • Supports quad-channel memory
  • Has 6 more physical cores
Advantages of AMD Ryzen 9 3900X
  • Has 39 MB larger L3 cache size
  • More modern manufacturing process – 7 versus 14 nanometers
  • Consumes up to 36% less energy than the Core i9 10980XE – 105 vs 165 Watt
  • Newer PCI Express version – 4.0
  • More than 9° C higher critical temperature
  • 12% faster in a single-core Geekbench v5 test - 1320 vs 1174 points


Comparing the performance of CPUs in benchmarks
Cinebench R20 (Single-Core)
Cinebench R20 (Multi-Core)
Passmark CPU (Single-Core)
Passmark CPU (Multi-Core)
Geekbench 5 (Single-Core)
Geekbench 5 (Multi-Core)


Full technical specification of Intel Core i9 10980XE and AMD Ryzen 9 3900X


Vendor Intel AMD
Released October 7, 2019 July 7, 2019
Launch price 1979 USD 499 USD
Type Desktop Desktop
Codename Cascade Lake Zen 2
Model number i9-10980XE -
Socket LGA-2066 AM4
Integrated GPU No No


Cores 18 12
Threads 36 24
Base Frequency 3.0 GHz 3.8 GHz
Turbo Boost Frequency 4.6 GHz 4.6 GHz
Bus frequency 100 MHz 100 MHz
Multiplier 30x 38x
L1 Cache 64K (per core) 64K (per core)
L2 Cache 1MB (per core) 512K (per core)
L3 Cache 25MB (shared) 64MB (shared)
Unlocked Multiplier Yes Yes


Transistors - 19.2 billions
Fabrication process 14 nm 7 nm
TDP 165 W 105 W
Max. temperature 86°C 95°C

Memory support

Memory types DDR4-2933 DDR4-3200
Memory Size 256 GB 128 GB
Max. Memory Channels 4 2
Max. Memory Bandwidth - 47.68 GB/s
ECC Support No Yes


Official site Intel Core i9 10980XE official page AMD Ryzen 9 3900X official page
PCI Express Version 3.0 4.0
PCI Express Lanes 48 20
Instruction Set SSE4.1, SSE4.2, AVX-2, AVX-512 -

Cast your vote

Choose between two processors
2 (33.3%)
4 (66.7%)
Total votes: 6


So which CPU will you choose: AMD Ryzen 9 3900X or Intel Core i9 10980XE?