AMD Ryzen 7 5800X3D vs Intel Core i9-12900KS

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CPU comparison with benchmarks


AMD Ryzen 7 5800X3D CPU1 vs CPU2 Intel Core i9-12900KS
AMD Ryzen 7 5800X3D Intel Core i9-12900KS

CPU comparison

AMD Ryzen 7 5800X3D or Intel Core i9-12900KS - which processor is faster? In this comparison we look at the differences and analyze which of these two CPUs is better. We compare the technical data and benchmark results.

The AMD Ryzen 7 5800X3D has 8 cores with 16 threads and clocks with a maximum frequency of 4.50 GHz. Up to 128 GB of memory is supported in 2 memory channels. The AMD Ryzen 7 5800X3D was released in Q4/2020.

The Intel Core i9-12900KS has 16 cores with 24 threads and clocks with a maximum frequency of 5.50 GHz. The CPU supports up to 128 GB of memory in 2 memory channels. The Intel Core i9-12900KS was released in Q2/2022.
AMD Ryzen 7 (63) Family Intel Core i9 (78)
AMD Ryzen 5000 (12) CPU group Intel Core i 12000 (34)
4 Generation 12
Vermeer (Zen 3) Architecture Alder Lake S
Desktop / Server Segment Desktop / Server
-- Predecessor --
AMD Ryzen 7 7800X3D Successor Intel Core i9-13900KS

CPU Cores and Base Frequency

The AMD Ryzen 7 5800X3D has 8 CPU cores and can calculate 16 threads in parallel. The clock frequency of the AMD Ryzen 7 5800X3D is 3.40 GHz (4.50 GHz) while the Intel Core i9-12900KS has 16 CPU cores and 24 threads can calculate simultaneously. The clock frequency of the Intel Core i9-12900KS is at 3.40 GHz (5.50 GHz).

AMD Ryzen 7 5800X3D Characteristic Intel Core i9-12900KS
8 Cores 16
16 Threads 24
normal Core architecture hybrid (big.LITTLE)
Yes Hyperthreading Yes
No Overclocking ? Yes
3.40 GHz (4.50 GHz) A-Core 3.40 GHz (5.50 GHz)
8x Golden Cove
-- B-Core 2.50 GHz (4.00 GHz)
8x Gracemont

Artificial Intelligence and Machine Learning

Processors with the support of artificial intelligence (AI) and machine learning (ML) can process many calculations, especially audio, image and video processing, much faster than classic processors. Algorithms for ML improve their performance the more data they have collected via software. ML tasks can be processed up to 10,000 times faster than with a classic processor.

AMD Ryzen 7 5800X3D Characteristic Intel Core i9-12900KS
-- AI hardware --
-- AI specifications --

Internal Graphics

The AMD Ryzen 7 5800X3D or Intel Core i9-12900KS has integrated graphics, called iGPU for short. The iGPU uses the system's main memory as graphics memory and sits on the processor's die.

no iGPU GPU Intel UHD Graphics 770
GPU frequency 0.30 GHz
-- GPU (Turbo) 1.55 GHz
-- GPU Generation 11
Technology 10 nm
Max. displays 3
-- Compute units 32
-- Shader 256
No Hardware Raytracing No
No Frame Generation No
-- Max. GPU Memory 64 GB
-- DirectX Version 12

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.

no iGPU GPU Intel UHD Graphics 770
No Codec h265 / HEVC (8 bit) Decode / Encode
No Codec h265 / HEVC (10 bit) Decode / Encode
No Codec h264 Decode / Encode
No Codec VP9 Decode / Encode
No Codec VP8 Decode / Encode
No Codec AV1 Decode
No Codec AVC Decode / Encode
No Codec VC-1 Decode
No Codec JPEG Decode / Encode

Memory & PCIe

The AMD Ryzen 7 5800X3D can use up to 128 GB of memory in 2 memory channels. The maximum memory bandwidth is 51.2 GB/s. The Intel Core i9-12900KS supports up to 128 GB of memory in 2 memory channels and achieves a memory bandwidth of up to 76.8 GB/s.

AMD Ryzen 7 5800X3D Characteristic Intel Core i9-12900KS
DDR4-3200 Memory DDR5-4800, DDR4-3200
128 GB Max. Memory 128 GB
2 (Dual Channel) Memory channels 2 (Dual Channel)
51.2 GB/s Max. Bandwidth 76.8 GB/s
Yes ECC Yes
4.00 MB L2 Cache 14.00 MB
96.00 MB L3 Cache 30.00 MB
4.0 PCIe version 5.0
20 PCIe lanes 20
39.4 GB/s PCIe Bandwidth 78.8 GB/s

Thermal Management

The thermal design power (TDP for short) of the AMD Ryzen 7 5800X3D is 105 W, while the Intel Core i9-12900KS has a TDP of 150 W. The TDP specifies the necessary cooling solution that is required to cool the processor sufficiently.

AMD Ryzen 7 5800X3D Characteristic Intel Core i9-12900KS
105 W TDP (PL1 / PBP) 150 W
-- TDP (PL2) 241 W
-- TDP up --
-- TDP down --
90 °C Tjunction max. 90 °C

Technical details

The AMD Ryzen 7 5800X3D is manufactured in 7 nm and has 100.00 MB cache. The Intel Core i9-12900KS is manufactured in 10 nm and has a 44.00 MB cache.

AMD Ryzen 7 5800X3D Characteristic Intel Core i9-12900KS
7 nm Technology 10 nm
Chiplet Chip design Monolithic
x86-64 (64 bit) Instruction set (ISA) x86-64 (64 bit)
SSE4a, SSE4.1, SSE4.2, AVX2, FMA3 ISA extensions SSE4.1, SSE4.2, AVX2, AVX2+
AM4 (PGA 1331) Socket LGA 1700
AMD-V, SVM Virtualization VT-x, VT-x EPT, VT-d
Yes AES-NI Yes
Windows 10, Windows 11, Linux Operating systems Windows 10, Windows 11, Linux
Q4/2020 Release date Q2/2022
449 $ Release price 749 $
show more data show more data


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Average performance in benchmarks

⌀ Single core performance in 5 CPU benchmarks
⌀ Multi core performance in 7 CPU benchmarks

Cinebench R23 (Single-Core)

Cinebench R23 is the successor of Cinebench R20 and is also based on the Cinema 4 Suite. Cinema 4 is a worldwide used software to create 3D forms. The single-core test only uses one CPU core, the amount of cores or hyperthreading ability doesn't count.
AMD Ryzen 7 5800X3D AMD Ryzen 7 5800X3D
8C 16T @ 4.50 GHz
1475 (71%)
Intel Core i9-12900KS Intel Core i9-12900KS
16C 24T @ 5.50 GHz
2082 (100%)

Cinebench R23 (Multi-Core)

Cinebench R23 is the successor of Cinebench R20 and is also based on the Cinema 4 Suite. Cinema 4 is a worldwide used software to create 3D forms. The multi-core test involves all CPU cores and taks a big advantage of hyperthreading.
AMD Ryzen 7 5800X3D AMD Ryzen 7 5800X3D
8C 16T @ 4.20 GHz
15125 (54%)
Intel Core i9-12900KS Intel Core i9-12900KS
16C 24T @ 5.20 GHz
27796 (100%)

Geekbench 5, 64bit (Single-Core)

Geekbench 5 is a cross plattform benchmark that heavily uses the systems memory. A fast memory will push the result a lot. The single-core test only uses one CPU core, the amount of cores or hyperthreading ability doesn't count.
AMD Ryzen 7 5800X3D AMD Ryzen 7 5800X3D
8C 16T @ 4.50 GHz
1679 (81%)
Intel Core i9-12900KS Intel Core i9-12900KS
16C 24T @ 5.50 GHz
2080 (100%)

Geekbench 5, 64bit (Multi-Core)

Geekbench 5 is a cross plattform benchmark that heavily uses the systems memory. A fast memory will push the result a lot. The multi-core test involves all CPU cores and taks a big advantage of hyperthreading.
AMD Ryzen 7 5800X3D AMD Ryzen 7 5800X3D
8C 16T @ 4.20 GHz
12024 (63%)
Intel Core i9-12900KS Intel Core i9-12900KS
16C 24T @ 5.20 GHz
19010 (100%)

Geekbench 6 (Single-Core)

Geekbench 6 is a benchmark for modern computers, notebooks and smartphones. What is new is an optimized utilization of newer CPU architectures, e.g. based on the big.LITTLE concept and combining CPU cores of different sizes. The single-core benchmark only evaluates the performance of the fastest CPU core, the number of CPU cores in a processor is irrelevant here.
AMD Ryzen 7 5800X3D AMD Ryzen 7 5800X3D
8C 16T @ 4.50 GHz
2104 (74%)
Intel Core i9-12900KS Intel Core i9-12900KS
16C 24T @ 5.50 GHz
2831 (100%)

Geekbench 6 (Multi-Core)

Geekbench 6 is a benchmark for modern computers, notebooks and smartphones. What is new is an optimized utilization of newer CPU architectures, e.g. based on the big.LITTLE concept and combining CPU cores of different sizes. The multi-core benchmark evaluates the performance of all of the processor's CPU cores. Virtual thread improvements such as AMD SMT or Intel's Hyper-Threading have a positive impact on the benchmark result.
AMD Ryzen 7 5800X3D AMD Ryzen 7 5800X3D
8C 16T @ 4.20 GHz
11646 (71%)
Intel Core i9-12900KS Intel Core i9-12900KS
16C 24T @ 5.20 GHz
16455 (100%)

Cinebench R20 (Single-Core)

Cinebench R20 is the successor of Cinebench R15 and is also based on the Cinema 4 Suite. Cinema 4 is a worldwide used software to create 3D forms. The single-core test only uses one CPU core, the amount of cores or hyperthreading ability doesn't count.
AMD Ryzen 7 5800X3D AMD Ryzen 7 5800X3D
8C 16T @ 4.50 GHz
585 (74%)
Intel Core i9-12900KS Intel Core i9-12900KS
16C 24T @ 5.50 GHz
795 (100%)

Cinebench R20 (Multi-Core)

Cinebench R20 is the successor of Cinebench R15 and is also based on the Cinema 4 Suite. Cinema 4 is a worldwide used software to create 3D forms. The multi-core test involves all CPU cores and taks a big advantage of hyperthreading.
AMD Ryzen 7 5800X3D AMD Ryzen 7 5800X3D
8C 16T @ 4.20 GHz
5799 (54%)
Intel Core i9-12900KS Intel Core i9-12900KS
16C 24T @ 5.20 GHz
10744 (100%)

Blender 3.1 Benchmark

In the Blender Benchmark 3.1, the scenes "monster", "junkshop" and "classroom" are rendered and the time required by the system is measured. In our benchmark we test the CPU and not the graphics card. Blender 3.1 was presented as a standalone version in March 2022.
AMD Ryzen 7 5800X3D AMD Ryzen 7 5800X3D
8C 16T @ 4.20 GHz
246 (62%)
Intel Core i9-12900KS Intel Core i9-12900KS
16C 24T @ 5.20 GHz
399 (100%)

Estimated results for PassMark CPU Mark

Some of the CPUs listed below have been benchmarked by CPU-monkey. However the majority of CPUs have not been tested and the results have been estimated by a CPU-monkey’s secret proprietary formula. As such they do not accurately reflect the actual Passmark CPU mark values and are not endorsed by PassMark Software Pty Ltd.
AMD Ryzen 7 5800X3D AMD Ryzen 7 5800X3D
8C 16T @ 4.20 GHz
28090 (63%)
Intel Core i9-12900KS Intel Core i9-12900KS
16C 24T @ 5.20 GHz
44541 (100%)

Cinebench R15 (Single-Core)

Cinebench R15 is the successor of Cinebench 11.5 and is also based on the Cinema 4 Suite. Cinema 4 is a worldwide used software to create 3D forms. The single-core test only uses one CPU core, the amount of cores or hyperthreading ability doesn't count.
AMD Ryzen 7 5800X3D AMD Ryzen 7 5800X3D
8C 16T @ 4.50 GHz
249 (85%)
Intel Core i9-12900KS Intel Core i9-12900KS
16C 24T @ 5.50 GHz
294 (100%)

Cinebench R15 (Multi-Core)

Cinebench R15 is the successor of Cinebench 11.5 and is also based on the Cinema 4 Suite. Cinema 4 is a worldwide used software to create 3D forms. The multi-core test involves all CPU cores and taks a big advantage of hyperthreading.
AMD Ryzen 7 5800X3D AMD Ryzen 7 5800X3D
8C 16T @ 4.20 GHz
2477 (60%)
Intel Core i9-12900KS Intel Core i9-12900KS
16C 24T @ 5.20 GHz
4140 (100%)

CPU performance per watt (efficiency)

Efficiency of the processor under full load in the Cinebench R23 (multi-core) benchmark. The benchmark result is divided by the average energy required (CPU package power in watts). The higher the value, the more efficient the CPU is under full load.
AMD Ryzen 7 5800X3D AMD Ryzen 7 5800X3D
15,125 CB R23 MC @ 96 W
158 (100%)
Intel Core i9-12900KS Intel Core i9-12900KS
27,796 CB R23 MC @ 241 W
115 (73%)

Cinebench 2024 (Single-Core)

The Cinebench 2024 benchmark is based on the Redshift rendering engine, which is also used in Maxon's 3D program Cinema 4D. The benchmark runs are each 10 minutes long to test whether the processor is limited by its heat generation.
AMD Ryzen 7 5800X3D AMD Ryzen 7 5800X3D
8C 16T @ 4.50 GHz
95 (100%)
Intel Core i9-12900KS Intel Core i9-12900KS
16C 24T @ 5.50 GHz
0 (0%)

Cinebench 2024 (Multi-Core)

The Multi-Core test of the Cinebench 2024 benchmark uses all cpu cores to render using the Redshift rendering engine, which is also used in Maxons Cinema 4D. The benchmark run is 10 minutes long to test whether the processor is limited by its heat generation.
AMD Ryzen 7 5800X3D AMD Ryzen 7 5800X3D
8C 16T @ 4.50 GHz
835 (100%)
Intel Core i9-12900KS Intel Core i9-12900KS
16C 24T @ 5.50 GHz
0 (0%)

iGPU - FP32 Performance (Single-precision GFLOPS)

The theoretical computing performance of the internal graphics unit of the processor with simple accuracy (32 bit) in GFLOPS. GFLOPS indicates how many billion floating point operations the iGPU can perform per second.
AMD Ryzen 7 5800X3D AMD Ryzen 7 5800X3D
@ 0.00 GHz
0 (0%)
Intel Core i9-12900KS Intel Core i9-12900KS
Intel UHD Graphics 770 @ 1.55 GHz
794 (100%)

Blender 2.81 (bmw27)

Blender is a free 3D graphics software for rendering (creating) 3D bodies, which can also be textured and animated in the software. The Blender benchmark creates predefined scenes and measures the time (s) required for the entire scene. The shorter the time required, the better. We selected bmw27 as the benchmark scene.
AMD Ryzen 7 5800X3D AMD Ryzen 7 5800X3D
8C 16T @ 4.20 GHz
0 (0%)
Intel Core i9-12900KS Intel Core i9-12900KS
16C 24T @ 5.20 GHz
87 (100%)

Devices using this processor

AMD Ryzen 7 5800X3D Intel Core i9-12900KS
Unknown Unknown

News and articles for the AMD Ryzen 7 5800X3D and the Intel Core i9-12900KS


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