Home > CPU Comparison > Ryzen 9 6900HX or Ryzen 9 5900HX: what's better?

AMD Ryzen 9 6900HX vs Ryzen 9 5900HX

52 out of 100
AMD Ryzen 9 6900HX
VS
48 out of 100
AMD Ryzen 9 5900HX
AMD Ryzen 9 6900HX
AMD Ryzen 9 5900HX

We compared two 8-core laptop CPUs: the 3.3 GHz AMD Ryzen 9 6900HX against the 3.3 GHz Ryzen 9 5900HX. On this page, you'll find out which processor has better performance in benchmarks, games and other useful information.

  1. Review
  2. Differences
  3. Performance
  4. Specs
  5. Comments

Review

General overview and comparison of the processors
Single-Core Performance
Performance in single-threaded apps and benchmarks
Multi-Core Performance
Measure performance when all cores are involved
Power Efficiency
The efficiency score of power consumption
Integrated Graphics
iGPU capabilities for gaming and 3D-intensive tasks
NanoReview Final Score
Choose your main usage scenario to recalculate the Final Score and see which CPU suits your needs.
🔌 Usage Scenario:

Key Differences

What are the key differences between 5900HX and 6900HX
Advantages of AMD Ryzen 9 6900HX
  • More powerful AMD Radeon 680M integrated graphics: 3.7 vs 2.2 TFLOPS
  • Newer PCI Express version – 4.0
  • Newer - released 1 year later
  • More modern manufacturing process – 6 versus 7 nanometers
  • 7% higher Turbo Boost frequency (4.9 GHz vs 4.6 GHz)
  • Around 8.53 GB/s (12%) higher theoretical memory bandwidth
Advantages of AMD Ryzen 9 5900HX
  • More than 10° C higher critical temperature

Test in Benchmarks

Comparing the performance of CPUs across various tasks
CPU:
Ryzen 9 6900HX
vs
Ryzen 9 5900HX

Cinebench

Reputable cross-platform benchmark for high-performance processors
Cinebench 2024 (Single)
Cinebench 2024 (Multi)
Submit your benchmark results

GeekBench v6

The new version of this benchmark emulates common operations often used in real-world apps
Geekbench 6 (Single-Core)
Geekbench 6 (Multi-Core)
Ryzen 9 6900HX +21%
10271
Ryzen 9 5900HX
8506
File compression 984.2 MB/sec 734.8 MB/sec
Clang compilation 80.9 Klines/sec 69 Klines/sec
HTML 5 Browser 221.3 pages/sec 145.5 pages/sec
PDF Renderer 331.2 Mpixels/sec 256.9 Mpixels/sec
Text processing 209.8 pages/sec 206.4 pages/sec
Background blur 34.6 images/sec 40.2 images/sec
Photo processing 82.9 images/sec 61 images/sec
Ray tracing 20 Mpixels/sec 17.1 Mpixels/sec
Sources: GeekBench [1], [2] – 491 & 576 samples

PassMark

Synthetic test that focuses on raw computational performance for low-level functions
Passmark CPU (Single-Core)
Passmark CPU (Multi-Core)
Ryzen 9 6900HX +9%
24028
Ryzen 9 5900HX
22000
Integer math 88.1 GOps/sec 85.1 GOps/sec
Floating point math 49.4 GOps/sec 47 GOps/sec
Find prime numbers 62M Primes/sec 52M Primes/sec
Random string sorting 31.7M Strings/sec 29.7M Strings/sec
Data encryption 18.9 GBytes/sec 17.9 GBytes/sec
Data compression 303 MBytes/sec 284.2 MBytes/sec
Physics 1129 Frames/sec 894 Frames/sec
Extended instructions 20.7B Matrices/sec 19.3B Matrices/sec
Sources: PassMark [3], [4] – 2567 & 4129 samples

Blender

3D rendering test that measures CPU performance in 3D modeling tasks (uses all cores)
Blender CPU
Ryzen 9 6900HX +6%
187.06
Ryzen 9 5900HX
177.14

Performance Per Watt

Shows the score you get per each watt of PL1 TDP
Cinebench 2024 / Watt 17 PPW 12.9 PPW
Geekbench 6 Multi / Watt 228.2 PPW 157.5 PPW
Passmark CPU Mark / Watt 534 PPW 407.4 PPW
Blender / Watt 4.16 PPW 3.28 PPW
These are rough calculations, as most CPUs surpass PL1 TDP wattage even in multicore workloads.

Specifications

Full technical specification of AMD Ryzen 9 6900HX and Ryzen 9 5900HX

General

Vendor Amd Amd
Released January 4, 2022 January 12, 2021
Type Laptop Laptop
Instruction Set x86-64 x86-64
Codename Zen 3+ (Rembrandt) Zen 3 (Cezanne)
Integrated GPU Radeon 680M Radeon RX Vega 8
Rival Equivalent - Intel Core i9 12900HX - Intel Core i9 11980HK
Successor - AMD Ryzen 9 9850HX - AMD Ryzen 9 9850HX
AMD Ryzen CPU ranking (105th and 123rd place)

CPU

Performance Cores
P-Cores 8 8
P-Threads 16 16
Base Frequency (P) 3.3 GHz 3.3 GHz
Turbo Boost Frequency (P) 4.9 GHz 4.6 GHz
Total
Total Cores 8 8
Total Threads 16 16
Bus Frequency 100 MHz 100 MHz
Multiplier 33x 33x
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 Yes

Package

Fabrication Process 6 nm 7 nm
TDP (PL1) 45 W 35-54 W (configurable)
Socket FP7 FP6
Peak Temperature 95°C 105°C

iGPU

Integrated Graphics AMD Radeon 680M Radeon RX Vega 8
GPU Base Clock 400 MHz 300 MHz
GPU Boost Clock 2400 MHz 2100 MHz
Shading Units 768 512
TMUs 48 32
ROPs 32 8
Execution Units 12 8
TGP 15 W 25 W
iGPU FLOPS
Ryzen 9 6900HX +68%
3.7 TFLOPS
Ryzen 9 5900HX
2.2 TFLOPS
More info: Radeon RX Vega 8 compared to Radeon 680M

Memory Support

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

Misc

Official Site AMD Ryzen 9 6900HX official page AMD Ryzen 9 5900HX official page
PCI Express Version 4.0 3.0
PCI Express Lanes 20 16

Cast your vote

Choose between two processors
254 (68.6%)
116 (31.4%)
Total votes: 370

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Comments

So which CPU will you choose: AMD Ryzen 9 5900HX or Ryzen 9 6900HX?
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