AMD Ryzen 9 5900X vs Intel Core i9-11900

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CPU comparison with benchmarks

-VS-

CPU lineage

AMD Ryzen 9 5900X or AMD Ryzen 9 5900X – 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 5900X features 12 processor cores and has the capability to manage 24 threads concurrently.
It was released in Q4/2020 and belongs to the 4 generation of the AMD Ryzen 9 series.
To use the AMD Ryzen 9 5900X, 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 5000 Group Intel Core i 11000
4 Generation 11
AMD Ryzen 9 5900X Name Intel Core i9-11900
Desktop / Server Segment Desktop / Server
AMD Ryzen 9 Family Intel Core i9
 
 

CPU Cores and Base Frequency

The AMD Ryzen 9 5900X has 12 CPU cores and can calculate 24 threads in parallel.
The clock frequency of the AMD Ryzen 9 5900X is 3.7 GHz
and turbo frequency for one core is 4.8 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.
None None 3.8 GHz
4.8 GHz Turbo Frequency (1 core) 5.2 GHz
normal Core architecture normal
3.7 GHz Frequency 2.5 GHz
12 CPU Cores 8
Yes Overclocking No
Yes Hyperthreading Yes
12x Cores 8x
24 Threads 16
 
 

Internal Graphics

The AMD Ryzen 9 5900X does not have integrated graphics.
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.
The iGPU uses the system's main memory as graphics memory and sits on the processor's die.
-- GPU (Turbo) 1.3 GHz
-- Technology 14 nm
-- Direct X 12
0 bytes Max. GPU Memory 64.0 GB
-- Execution units 32
-- Release date Q1/2021
GPU name Intel UHD Graphics 750
-- Shaders 256
-- GPU frequency 0.35 GHz
-- Generation 12
-- Max. displays --
 
 

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.
-- h265 / HEVC (8 bit) Decode / Encode
-- VP9 Decode / Encode
-- VP8 Decode
-- VC-1 Decode
-- JPEG Decode / Encode
-- h264 Decode / Encode
-- h265 / HEVC (10 bit) Decode / Encode
-- AVC Decode / Encode
-- AV1 Decode
 
 

Memory & PCIe

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

Thermal Management

The processor has a thermal design power (TDP) of 105 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.
142 W TDP (PL2) None
105 W TDP (PL1 / PBP) 65 W
90 °C Tjunction max 100 °C
 
 

Technical details

The AMD Ryzen 9 5900X 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 64.0 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.
In total, this processor boasts a generous 16.0 MB cache.
AMD-V, SVM Virtualization VT-x, VT-x EPT, VT-d
7 nm Technology 14 nm
x86-64 (64 bit) Instruction set (ISA) x86-64 (64 bit)
SSE4a, SSE4.1, SSE4.2, FMA3, AVX2 ISA extensions SSE4.1, SSE4.2, AVX2, AVX-512
-- Part Number --
Chiplet Chip design Monolithic
Q4/2020 Release date Q1/2021
549 $ Release price 439 $
6.0 MB L2-Cache 4.0 MB
Technical data sheet Documents Technical data sheet
64.0 MB L3-Cache 16.0 MB
AM4 (PGA 1331) Socket LGA 1200
Windows 10, Linux, Windows 11 Operating systems Windows 10, Linux, Windows 11
Vermeer (Zen 3) Architecture Rocket Lake S
 
 

Benchmarks

Estimated results for PassMark CPU Mark

AMD Ryzen 9 5900X
12C 24T @ 3.7 GHz
39295
39295
Intel Core i9-11900
8C 16T @ 2.5 GHz
22830
22830

Geekbench 5, 64bit (Multi-Core)

AMD Ryzen 9 5900X
12C 24T @ 3.7 GHz
14515
14515
Intel Core i9-11900
8C 16T @ 2.5 GHz
9674
9674

Geekbench 6 (Multi-Core)

AMD Ryzen 9 5900X
12C 24T @ 3.7 GHz
12637
12637
Intel Core i9-11900
8C 16T @ 2.5 GHz
10040
10040

CPU-Z Benchmark 17 (Multi-Core)

AMD Ryzen 9 5900X
12C 24T @ 3.7 GHz
9520
9520
Intel Core i9-11900
8C 16T @ 2.5 GHz
6293
6293

Geekbench 6 (Single-Core)

AMD Ryzen 9 5900X
12C 24T @ 3.7 GHz
2199
2199
Intel Core i9-11900
8C 16T @ 2.5 GHz
2148
2148

Geekbench 5, 64bit (Single-Core)

Intel Core i9-11900
8C 16T @ 2.5 GHz
1831
1831
AMD Ryzen 9 5900X
12C 24T @ 3.7 GHz
1727
1727

Cinebench R23 (Single-Core)

AMD Ryzen 9 5900X
12C 24T @ 3.7 GHz
1636
1636
Intel Core i9-11900
8C 16T @ 2.5 GHz
1630
1630