Intel Core i9 11900H vs AMD Ryzen 9 5900HX

We compared two 8-core laptop CPUs: the 2.1-2.5 GHz Intel Core i9 11900H against the 3.3 GHz AMD Ryzen 9 5900HX. On this page, you'll find out which processor has better performance in benchmarks, games and other useful information.

Review

General overview and comparison of the processors
Single-Core Performance
Performance in single-threaded apps and benchmarks
Performance
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 5900HX and 11900H
Advantages of Intel Core i9 11900H
  • Supports up to 128 GB DDR4-3200 RAM
  • Has 8 MB larger L3 cache size
  • Newer PCI Express version – 4.0
  • Consumes up to 17% less energy than the Ryzen 9 5900HX – 45 vs 54 Watt
  • 7% higher Turbo Boost frequency (4.9 GHz vs 4.6 GHz)
Advantages of AMD Ryzen 9 5900HX
  • Unlocked multiplier
  • More modern manufacturing process – 7 versus 10 nanometers
  • Around 17.07 GB/s (33%) higher theoretical memory bandwidth

Benchmarks

Comparing the performance of CPUs in benchmarks
Cinebench R23 (Single-Core)
Cinebench R23 (Multi-Core)
12948
Passmark CPU (Single-Core)
Passmark CPU (Multi-Core)
22946
Geekbench 5 (Single-Core)
Geekbench 5 (Multi-Core)
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Specifications

Full technical specification of Intel Core i9 11900H and AMD Ryzen 9 5900HX

General

Vendor Intel AMD
Released May 11, 2021 January 12, 2021
Type Laptop Laptop
instruction set x86-64 x86-64
Codename Tiger Lake H45 Cezanne
Model number i9-11900H -
Socket BGA-1787 FP6
Integrated GPU UHD Graphics for 11th Gen (32 EU) Radeon RX Vega 8

Performance

Cores 8 8
Threads 16 16
Base Frequency 2.1-2.5 GHz 3.3 GHz
Turbo Boost Frequency 4.9 GHz 4.6 GHz
Bus frequency 100 MHz 100 MHz
Multiplier 21-25x 33x
Bus Bandwidth 8 GT/s -
L1 Cache 96K (per core) 64K (per core)
L2 Cache 1280K (per core) 512K (per core)
L3 Cache 24MB (shared) 16MB (shared)
Unlocked Multiplier No Yes

Power

Fabrication process 10 nm 7 nm
TDP 35-45 W 35-54 W
Max. temperature 100°C 105°C

iGPU

Integrated Graphics Intel UHD Graphics for 11th Gen (32 EU) Radeon RX Vega 8
GPU Base Clock 350 MHz -
GPU Boost Clock 1450 MHz 2100 MHz
Shading Units 256 512
TMUs 16 32
ROPs 8 8
Execution Units 32 -
TGP 15 W 15 W
iGPU FLOPS
0.742 TFLOPS

Memory support

Memory types DDR4-3200 DDR4-3200, LPDDR4-4266
Memory Size 128 GB 64 GB
Max. Memory Channels 2 2
Max. Memory Bandwidth 51.2 GB/s 68.27 GB/s
ECC Support No Yes

Misc

Official site Intel Core i9 11900H 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
199 (30.9%)
445 (69.1%)
Total votes: 644

Comments

So which CPU will you choose: AMD Ryzen 9 5900HX or Intel Core i9 11900H?