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
AMD Ryzen 9 5900H Name Intel Core i9-11900
Mobile Segment Desktop / Server
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.
8 CPU Cores 8
None None 3.8 GHz
normal Core architecture normal
Yes Overclocking No
16 Threads 16
Yes Hyperthreading Yes
8x Cores 8x
4.6 GHz Turbo Frequency (1 core) 5.2 GHz
3.1 GHz Frequency 2.5 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.
-- Max. displays --
12 Direct X 12
-- GPU (Turbo) 1.3 GHz
512 Shaders 256
2.0 GB Max. GPU Memory 64.0 GB
1.75 GHz GPU frequency 0.35 GHz
AMD Radeon 8 Graphics (Renoir) GPU name Intel UHD Graphics 750
Q1/2020 Release date Q1/2021
7 nm Technology 14 nm
9 Generation 12
8 Execution units 32
 
 

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 VP9 Decode / Encode
Decode / Encode AVC Decode / Encode
Decode / Encode JPEG Decode / Encode
Decode VC-1 Decode
Decode / Encode h265 / HEVC (8 bit) Decode / Encode
Decode / Encode VP8 Decode
Decode / Encode h264 Decode / Encode
Decode / Encode h265 / HEVC (10 bit) Decode / Encode
No AV1 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.
Yes ECC No
64.0 GB Max. Memory 128.0 GB
51.2 GB/s Bandwidth 51.2 GB/s
pci PCIe pci
DDR4-3200 Memory type DDR4-3200
2 Memory channels 2
Yes AES-NI Yes
 
 

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