AMD Ryzen 9 5900H vs Intel Core i9-11900

Last updated:

CPU comparison with benchmarks

-VS-

CPU lineage

AMD Ryzen 9 5900H or AMD Ryzen 9 5900H – which processor offers superior performance? In this comparison, we examine disparities and assess which of these two CPUs outperforms the other. We delve into technical specifications and benchmark outcomes.
The AMD Ryzen 9 5900H features 8 processor cores and has the capability to manage 16 threads concurrently.
It was released in Q2/2021 and belongs to the 4 generation of the AMD Ryzen 9 series.
To use the AMD Ryzen 9 5900H, you'll need a motherboard with a AM4 (PGA 1331) socket.
The Intel Core i9-11900 features 8 processor cores and has the capability to manage 16 threads concurrently.
It was released in Q1/2021 and belongs to the 11 generation of the Intel Core i9 series.
To use the Intel Core i9-11900, you'll need a motherboard with a LGA 1200 socket.
4 Generation 11
AMD Ryzen 9 Family Intel Core i9
AMD Ryzen 5000H Group Intel Core i 11000
AMD Ryzen 9 5900H Name Intel Core i9-11900
Mobile Segment Desktop / Server
 
 

CPU Cores and Base Frequency

The AMD Ryzen 9 5900H has 8 CPU cores and can calculate 16 threads in parallel.
The clock frequency of the AMD Ryzen 9 5900H is 3.1 GHz
and turbo frequency for one core is 4.6 GHz.
The number of CPU cores greatly affects the speed of the processor and is an important performance indicator.
The Intel Core i9-11900 has 8 CPU cores and can calculate 16 threads in parallel.
The clock frequency of the Intel Core i9-11900 is 2.5 GHz
and turbo frequency for one core is 5.2 GHz.
8 CPU Cores 8
16 Threads 16
4.6 GHz Turbo Frequency (1 core) 5.2 GHz
3.1 GHz Frequency 2.5 GHz
8x Cores 8x
normal Core architecture normal
Yes Overclocking No
Yes Hyperthreading Yes
None None 3.8 GHz
 
 

Internal Graphics

The AMD Ryzen 9 5900H has integrated graphics, called iGPU for short.
Specifically, the AMD Ryzen 9 5900H uses the AMD Radeon 8 Graphics (Renoir), which has 512 texture shaders
and 8 execution units.
The iGPU uses the system's main memory as graphics memory and sits on the processor's die.
The Intel Core i9-11900 has integrated graphics, called iGPU for short.
Specifically, the Intel Core i9-11900 uses the Intel UHD Graphics 750, which has 256 texture shaders
and 32 execution units.
9 Generation 12
Q1/2020 Release date Q1/2021
-- Max. displays --
8 Execution units 32
512 Shaders 256
-- GPU (Turbo) 1.3 GHz
1.75 GHz GPU frequency 0.35 GHz
7 nm Technology 14 nm
AMD Radeon 8 Graphics (Renoir) GPU name Intel UHD Graphics 750
2.0 GB Max. GPU Memory 64.0 GB
12 Direct X 12
 
 

Artificial Intelligence and Machine Learning

-- AI specifications --
-- AI hardware --
 
 

Hardware codec support

A photo or video codec that is accelerated in hardware can greatly accelerate the working speed of a processor and extend the battery life of notebooks or smartphones when playing videos.
Decode / Encode JPEG Decode / Encode
Decode / Encode h264 Decode / Encode
No AV1 Decode
Decode / Encode VP9 Decode / Encode
Decode / Encode h265 / HEVC (10 bit) Decode / Encode
Decode / Encode AVC Decode / Encode
Decode / Encode h265 / HEVC (8 bit) Decode / Encode
Decode / Encode VP8 Decode
Decode VC-1 Decode
 
 

Memory & PCIe

The processor supports a maximum memory capacity of 64.0 GB distributed across 2 memory channels. It offers a peak memory bandwidth of 51.2 GB/s. Both the type and quantity of memory can have a substantial impact on the overall system performance.
The processor supports a maximum memory capacity of 128.0 GB distributed across 2 memory channels. It offers a peak memory bandwidth of 51.2 GB/s. Both the type and quantity of memory can have a substantial impact on the overall system performance.
2 Memory channels 2
64.0 GB Max. Memory 128.0 GB
DDR4-3200 Memory type DDR4-3200
Yes AES-NI Yes
51.2 GB/s Bandwidth 51.2 GB/s
Yes ECC No
pci PCIe pci
 
 

Thermal Management

The processor has a thermal design power (TDP) of 45 W watts.
TDP indicates the cooling solution needed to effectively manage the processor's heat. It generally provides an approximate indication of the actual power consumption of the CPU itself.
The processor has a thermal design power (TDP) of 65 W watts.
54 W TDP up None
45 W TDP (PL1 / PBP) 65 W
95 °C Tjunction max 100 °C
 
 

Technical details

The AMD Ryzen 9 5900H is manufactured using a 7 nm process.
A smaller manufacturing process indicates a more contemporary and energy-efficient CPU.
In total, this processor boasts a generous 16.0 MB cache.
A substantial cache can significantly enhance the processor's performance, particularly in scenarios like gaming.
The Intel Core i9-11900 is manufactured using a 14 nm process.
Q2/2021 Release date Q1/2021
Cezanne (Zen 3) Architecture Rocket Lake S
Technical data sheet Documents Technical data sheet
AMD-V, SVM Virtualization VT-x, VT-x EPT, VT-d
Chiplet Chip design Monolithic
16.0 MB L3-Cache 16.0 MB
SSE4a, SSE4.1, SSE4.2, FMA3, AVX2 ISA extensions SSE4.1, SSE4.2, AVX2, AVX-512
7 nm Technology 14 nm
AM4 (PGA 1331) Socket LGA 1200
x86-64 (64 bit) Instruction set (ISA) x86-64 (64 bit)
-- Part Number --
-- Release price 439 $
Windows 10, Linux, Windows 11 Operating systems Windows 10, Linux, Windows 11
4.0 MB L2-Cache 4.0 MB