Intel Core i9-12900KS vs AMD Ryzen 9 5900X

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CPU comparison with benchmarks

-VS-

CPU lineage

Intel Core i9-12900KS or Intel Core i9-12900KS – 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 Intel Core i9-12900KS features 16 processor cores and has the capability to manage 24 threads concurrently.
It was released in Q2/2022 and belongs to the 12 generation of the Intel Core i9 series.
To use the Intel Core i9-12900KS, you'll need a motherboard with a LGA 1700 socket.
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.
Desktop / Server Segment Desktop / Server
Intel Core i9-12900KS Name AMD Ryzen 9 5900X
Intel Core i9 Family AMD Ryzen 9
12 Generation 4
Intel Core i 12000 Group AMD Ryzen 5000
 
 

CPU Cores and Base Frequency

The Intel Core i9-12900KS has 16 CPU cores and can calculate 24 threads in parallel.
The clock frequency of the A-Core is 3.4 GHz.
The number of CPU cores greatly affects the speed of the processor and is an important performance indicator.
Processors with hybrid (big.LITTLE) architecture strike a balance between performance and power efficiency, making them ideal for mobile devices.
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.
None None 4.8 GHz
5.5 GHz A-Core Frequency Turbo None
2.5 GHz B-Core Frequency None
3.4 GHz A-Core Frequency None
8x Gracemont Cores B None
8x Golden Cove Cores A None
Yes Overclocking Yes
hybrid (big.LITTLE) Core architecture normal
None None 3.7 GHz
4.0 GHz B-Core Frequency Turbo None
24 Threads 24
Yes Hyperthreading Yes
16 CPU Cores 12
None None 12x
 
 

Internal Graphics

The Intel Core i9-12900KS has integrated graphics, called iGPU for short.
Specifically, the Intel Core i9-12900KS uses the Intel UHD Graphics 770, 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.
The AMD Ryzen 9 5900X does not have integrated graphics.
0.3 GHz GPU frequency --
Q4/2021 Release date --
12 Direct X --
Intel UHD Graphics 770 GPU name
10 nm Technology --
-- Max. displays --
256 Shaders --
64.0 GB Max. GPU Memory 0 bytes
32 Execution units --
11 Generation --
1.55 GHz GPU (Turbo) --
 
 

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

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 76.8 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
128.0 GB Max. Memory 128.0 GB
pci PCIe pci
Yes AES-NI Yes
Yes ECC Yes
76.8 GB/s Bandwidth 51.2 GB/s
DDR4-3200, DDR5-4800 Memory type DDR4-3200
 
 

Thermal Management

The processor has a thermal design power (TDP) of 150 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 105 W watts.
90 °C Tjunction max 90 °C
241 W TDP (PL2) 142 W
150 W TDP (PL1 / PBP) 105 W
 
 

Technical details

The Intel Core i9-12900KS is manufactured using a 10 nm process.
A smaller manufacturing process indicates a more contemporary and energy-efficient CPU.
In total, this processor boasts a generous 30.0 MB cache.
A substantial cache can significantly enhance the processor's performance, particularly in scenarios like gaming.
The AMD Ryzen 9 5900X is manufactured using a 7 nm process.
In total, this processor boasts a generous 64.0 MB cache.
Q2/2022 Release date Q4/2020
-- Part Number --
14.0 MB L2-Cache 6.0 MB
VT-x, VT-x EPT, VT-d Virtualization AMD-V, SVM
SSE4.1, SSE4.2, AVX2, AVX2+ ISA extensions SSE4a, SSE4.1, SSE4.2, FMA3, AVX2
Monolithic Chip design Chiplet
Alder Lake S Architecture Vermeer (Zen 3)
10 nm Technology 7 nm
LGA 1700 Socket AM4 (PGA 1331)
Windows 10, Linux, Windows 11 Operating systems Windows 10, Linux, Windows 11
749 $ Release price 549 $
Technical data sheet Documents Technical data sheet
x86-64 (64 bit) Instruction set (ISA) x86-64 (64 bit)
30.0 MB L3-Cache 64.0 MB
 
 

Benchmarks

Estimated results for PassMark CPU Mark

Intel Core i9-12900KS
16C 24T @ 3.4 GHz
44541
44541
AMD Ryzen 9 5900X
12C 24T @ 3.7 GHz
39295
39295

Cinebench R23 (Multi-Core)

Intel Core i9-12900KS
16C 24T @ 3.4 GHz
27796
27796
AMD Ryzen 9 5900X
12C 24T @ 3.7 GHz
21878
21878

V-Ray CPU-Render Benchmark

Intel Core i9-12900KS
16C 24T @ 3.4 GHz
19176
19176
AMD Ryzen 9 5900X
12C 24T @ 3.7 GHz
16240
16240

Geekbench 5, 64bit (Multi-Core)

Intel Core i9-12900KS
16C 24T @ 3.4 GHz
19010
19010
AMD Ryzen 9 5900X
12C 24T @ 3.7 GHz
14515
14515

Geekbench 6 (Multi-Core)

Intel Core i9-12900KS
16C 24T @ 3.4 GHz
16455
16455
AMD Ryzen 9 5900X
12C 24T @ 3.7 GHz
12637
12637

Cinebench R20 (Multi-Core)

Intel Core i9-12900KS
16C 24T @ 3.4 GHz
10744
10744
AMD Ryzen 9 5900X
12C 24T @ 3.7 GHz
8491
8491

Cinebench R15 (Multi-Core)

Intel Core i9-12900KS
16C 24T @ 3.4 GHz
4140
4140
AMD Ryzen 9 5900X
12C 24T @ 3.7 GHz
3684
3684

Geekbench 6 (Single-Core)

Intel Core i9-12900KS
16C 24T @ 3.4 GHz
2831
2831
AMD Ryzen 9 5900X
12C 24T @ 3.7 GHz
2199
2199

Cinebench R23 (Single-Core)

Intel Core i9-12900KS
16C 24T @ 3.4 GHz
2082
2082
AMD Ryzen 9 5900X
12C 24T @ 3.7 GHz
1636
1636

Geekbench 5, 64bit (Single-Core)

Intel Core i9-12900KS
16C 24T @ 3.4 GHz
2080
2080
AMD Ryzen 9 5900X
12C 24T @ 3.7 GHz
1727
1727

Cinebench R20 (Single-Core)

Intel Core i9-12900KS
16C 24T @ 3.4 GHz
795
795
AMD Ryzen 9 5900X
12C 24T @ 3.7 GHz
637
637

Blender 3.1 Benchmark

Intel Core i9-12900KS
16C 24T @ 3.4 GHz
399
399
AMD Ryzen 9 5900X
12C 24T @ 3.7 GHz
308
308

Cinebench R15 (Single-Core)

Intel Core i9-12900KS
16C 24T @ 3.4 GHz
294
294
AMD Ryzen 9 5900X
12C 24T @ 3.7 GHz
270
270