AMD Ryzen 9 5900X vs Ryzen 7 6800H

We compared two CPUs: the 3.7 GHz AMD Ryzen 9 5900X (desktop) with 12-cores against the 3.2 GHz Ryzen 7 6800H (laptop) with 8-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 6800H and 5900X
Advantages of AMD Ryzen 9 5900X
  • Has 48 MB larger L3 cache size
  • Unlocked multiplier
  • Supports up to 128 GB DDR4-3200 RAM
  • Has 4 more physical cores
  • 2% higher Turbo Boost frequency (4.8 GHz vs 4.7 GHz)
Advantages of AMD Ryzen 7 6800H
  • Newer - released 1-year and 3-months later
  • Around 29.12 GB/s (61%) higher theoretical memory bandwidth
  • More modern manufacturing process – 6 versus 7 nanometers
  • Includes an integrated GPU AMD Radeon 680M


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 AMD Ryzen 9 5900X and Ryzen 7 6800H


Vendor AMD AMD
Released October 8, 2020 January 4, 2022
Type Desktop Laptop
instruction set x86-64 x86-64
Codename Zen 3 (Vermeer) Zen 3+ (Rembrandt)
Integrated GPU No Radeon 680M


Performance Cores
P-Cores 12 8
P-Threads 24 16
Base Frequency (P) 3.7 GHz 3.2 GHz
Turbo Boost Frequency (P) 4.8 GHz 4.7 GHz
Total Cores 12 8
Total Threads 24 16
Bus Frequency 100 MHz 100 MHz
Multiplier 37x 32x
L1 Cache 64K (per core) 64K (per core)
L2 Cache 512K (per core) 512K (per core)
L3 Cache 64MB (shared) 16MB (shared)
Unlocked Multiplier Yes No


Transistors 4.15 billions -
Fabrication process 7 nm 6 nm
Socket AM4 FP7
TDP 105 W 45 W
Peak temperature 90°C 95°C


Integrated Graphics - AMD Radeon 680M
GPU Base Clock - 2000 MHz
GPU Boost Clock - 2200 MHz
Shading Units - 768
TMUs - 48
ROPs - 32
Execution Units - 12
TGP - 15 W
3.686 TFLOPS

Memory Support

Memory types DDR4-3200 DDR5-4800, LPDDR5-6400
Memory Size 128 GB 64 GB
Max. Memory Channels 2 2
Max. Memory Bandwidth 47.68 GB/s 76.8 GB/s
ECC Support Yes No


Official site AMD Ryzen 9 5900X official page AMD Ryzen 7 6800H official page
PCI Express Version 4.0 4.0
PCI Express Lanes 20 20

Cast your vote

Choose between two processors
27 (50.9%)
26 (49.1%)
Total votes: 53


So which CPU will you choose: AMD Ryzen 7 6800H or Ryzen 9 5900X?