AMD Ryzen 9 5900HX vs Ryzen 7 6800H

We compared two 8-core laptop CPUs: the 3.3 GHz AMD Ryzen 9 5900HX against the 3.2 GHz Ryzen 7 6800H. 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 5900HX
Advantages of AMD Ryzen 9 5900HX
  • Unlocked multiplier
  • More than 10° C higher critical temperature
Advantages of AMD Ryzen 7 6800H
  • Newer - released 1-year later
  • Newer PCI Express version – 4.0
  • More modern manufacturing process – 6 versus 7 nanometers
  • Around 8.53 GB/s (12%) higher theoretical memory bandwidth
  • 2% higher Turbo Boost frequency (4.7 GHz vs 4.6 GHz)


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 5900HX and Ryzen 7 6800H


Vendor AMD AMD
Released January 12, 2021 January 4, 2022
Type Laptop Laptop
instruction set x86-64 x86-64
Codename Zen 3 (Cezanne) Zen 3+ (Rembrandt)
Integrated GPU Radeon RX Vega 8 Radeon 680M


Performance Cores
P-Cores 8 8
P-Threads 16 16
Base Frequency (P) 3.3 GHz 3.2 GHz
Turbo Boost Frequency (P) 4.6 GHz 4.7 GHz
Total Cores 8 8
Total Threads 16 16
Bus Frequency 100 MHz 100 MHz
Multiplier 33x 32x
L1 Cache 64K (per core) 64K (per core)
L2 Cache 512K (per core) 512K (per core)
L3 Cache 16MB (shared) 16MB (shared)
Unlocked Multiplier Yes No


Fabrication process 7 nm 6 nm
Socket FP6 FP7
TDP 35-54 W (configurable) 45 W
Peak temperature 105°C 95°C


Integrated Graphics Radeon RX Vega 8 AMD Radeon 680M
GPU Base Clock - 2000 MHz
GPU Boost Clock 2100 MHz 2200 MHz
Shading Units 512 768
TMUs 32 48
ROPs 8 32
Execution Units - 12
TGP 15 W 15 W
3.686 TFLOPS

Memory Support

Memory types DDR4-3200, LPDDR4-4266 DDR5-4800, LPDDR5-6400
Memory Size 64 GB 64 GB
Max. Memory Channels 2 2
Max. Memory Bandwidth 68.27 GB/s 76.8 GB/s
ECC Support Yes No


Official site AMD Ryzen 9 5900HX official page AMD Ryzen 7 6800H official page
PCI Express Version 3.0 4.0
PCI Express Lanes 16 20

Cast your vote

Choose between two processors
158 (19.5%)
652 (80.5%)
Total votes: 810


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