AMD Ryzen 9 5900H vs Intel Core i9-11900

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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.
AMD Ryzen 9 Family Intel Core i9
Mobile Segment Desktop / Server
AMD Ryzen 9 5900H Name Intel Core i9-11900
AMD Ryzen 5000H Group Intel Core i 11000
4 Generation 11
 
 

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.
8x Cores 8x
None None 3.8 GHz
3.1 GHz Frequency 2.5 GHz
8 CPU Cores 8
normal Core architecture normal
Yes Hyperthreading Yes
Yes Overclocking No
16 Threads 16
4.6 GHz Turbo Frequency (1 core) 5.2 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.
-- GPU (Turbo) 1.3 GHz
Q1/2020 Release date Q1/2021
8 Execution units 32
12 Direct X 12
-- Max. displays --
512 Shaders 256
AMD Radeon 8 Graphics (Renoir) GPU name Intel UHD Graphics 750
1.75 GHz GPU frequency 0.35 GHz
2.0 GB Max. GPU Memory 64.0 GB
9 Generation 12
7 nm Technology 14 nm
 
 

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 VP8 Decode
Decode / Encode VP9 Decode / Encode
Decode / Encode AVC Decode / Encode
Decode / Encode h264 Decode / Encode
Decode / Encode JPEG Decode / Encode
Decode VC-1 Decode
No AV1 Decode
Decode / Encode h265 / HEVC (8 bit) Decode / Encode
Decode / Encode h265 / HEVC (10 bit) Decode / Encode
 
 

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.
Yes AES-NI Yes
64.0 GB Max. Memory 128.0 GB
51.2 GB/s Bandwidth 51.2 GB/s
DDR4-3200 Memory type DDR4-3200
pci PCIe pci
2 Memory channels 2
Yes ECC No
 
 

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.
Technical data sheet Documents Technical data sheet
Q2/2021 Release date Q1/2021
AM4 (PGA 1331) Socket LGA 1200
4.0 MB L2-Cache 4.0 MB
16.0 MB L3-Cache 16.0 MB
Windows 10, Linux, Windows 11 Operating systems Windows 10, Linux, Windows 11
x86-64 (64 bit) Instruction set (ISA) x86-64 (64 bit)
-- Part Number --
Cezanne (Zen 3) Architecture Rocket Lake S
AMD-V, SVM Virtualization VT-x, VT-x EPT, VT-d
-- Release price 439 $
SSE4a, SSE4.1, SSE4.2, FMA3, AVX2 ISA extensions SSE4.1, SSE4.2, AVX2, AVX-512
Chiplet Chip design Monolithic
7 nm Technology 14 nm