AMD Ryzen 9 7900X vs Intel Core i9-12900KS

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Combined performance score

i9-12900KS
28.75

Ryzen 9 7900X outperforms Core i9-12900KS by 18% in our combined benchmark results.

General info

Comparing Core i9-12900KS and Ryzen 9 7900X processor market type (desktop or notebook), architecture, sales start time and price.

Place in performance ranking13895
Place by popularitynot in top-100not in top-100
Value for money64.3069.90
Market segmentDesktop processorDesktop processor
Architecture codenameAlder Lake-S (2022)Raphael (Zen4)
Release date5 April 2022 (1 year old)27 September 2022 (1 year old)
Current price$458 $538
Value for money

Performance per price, higher is better.

Ryzen 9 7900X has 9% better value for money than i9-12900KS.

Technical specs

Core i9-12900KS and Ryzen 9 7900X basic parameters such as number of cores, number of threads, base frequency and turbo boost clock, lithography, cache size and multiplier lock state. These parameters indirectly say of CPU speed, though for more precise assessment you have to consider their test results.

Physical cores16 (Hexadeca-Core)12 (Dodeca-Core)
Threads2424
Base clock speed3.4 GHz4.7 GHz
Boost clock speed5.3 GHz5.6 GHz
L1 cache80K (per core)64K (per core)
L2 cache1.25 MB (per core)1 MB (per core)
L3 cache30 MB (shared)64 MB (shared)
Chip lithographyIntel 7 nm5 nm
Die size215 mm22x 70 (CCD) mm2 + 122 (I/O) mm2
Maximum core temperature90 °C95 °C
Maximum case temperature (TCase)72 °C47 °C
Number of transistorsno dataCCD: 6,5 Mrd + IOD: 3,4 Mrd Million
64 bit support++
Windows 11 compatibility++
Unlocked multiplierYesYes

Compatibility

Information on Core i9-12900KS and Ryzen 9 7900X compatibility with other computer components: motherboard (look for socket type), power supply unit (look for power consumption) etc. Useful when planning a future computer configuration or upgrading an existing one. Note that power consumption of some processors can well exceed their nominal TDP, even without overclocking. Some can even double their declared thermals given that the motherboard allows to tune the CPU power parameters.

Number of CPUs in a configuration11
SocketFCLGA1700AM5
Power consumption (TDP)150 Watt170 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Core i9-12900KS and Ryzen 9 7900X. You'll probably need this information if you require some particular technology.

Instruction set extensionsIntel® SSE4.1, Intel® SSE4.2, Intel® AVX25 nm (CCD), 6 nm (I/O) nm, 0.650 - 1.475V
AES-NI++
AVX++
Enhanced SpeedStep (EIST)+no data
Speed Shift+no data
Turbo Boost Technology2.0no data
Hyper-Threading Technology+no data
TSX+no data
Idle States+no data
Thermal Monitoring+no data
Turbo Boost Max 3.0+no data
StatusLaunchedno data

Security technologies

Core i9-12900KS and Ryzen 9 7900X technologies aimed at improving security, for example, by protecting against hacks.

TXT+no data
EDB+no data
Secure Key+no data
OS Guard+no data

Virtualization technologies

Virtual machine speed-up technologies supported by Core i9-12900KS and Ryzen 9 7900X are enumerated here.

AMD-Vno data+
VT-d+no data
VT-x+no data
EPT+no data

Memory specs

Types, maximum amount and channel quantity of RAM supported by Core i9-12900KS and Ryzen 9 7900X. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesDDR5-4800, DDR4-3200DDR5-5200
Maximum memory size128 GBno data
Max memory channels2no data
Maximum memory bandwidth76.8 GB/sno data
ECC memory support+no data

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics card
Compare
Intel UHD Graphics 770AMD Radeon Graphics (Ryzen 7000)
Quick Sync Video+no data
Clear Video HD+no data
Graphics max frequency1.55 GHzno data
Execution Units32no data

Graphics interfaces

Available interfaces and connections of Core i9-12900KS and Ryzen 9 7900X integrated GPUs.

Number of displays supported4no data

Graphics image quality

Maximum display resolutions supported by Core i9-12900KS and Ryzen 9 7900X integrated GPUs, including resolutions over different interfaces.

Max resolution over HDMI 1.44096 x 2160 @ 60Hzno data
Max resolution over eDP5120 x 3200 @ 120Hzno data
Max resolution over DisplayPort7680 x 4320 @ 60Hzno data

Graphics API support

APIs supported by Core i9-12900KS and Ryzen 9 7900X integrated GPUs, sometimes API versions are included.

DirectX12no data
OpenGL4.5no data

Peripherals

Specifications and connection of peripherals supported by Core i9-12900KS and Ryzen 9 7900X.

PCIe version5.0 and 4.05.0
PCI Express lanes2024

Synthetic benchmark performance

Various benchmark results of the processors in comparison. Overall score is measured in points in 0-100 range, higher is better.


Combined synthetic benchmark score

This is our combined benchmark performance rating. We are regularly improving our combining algorithms, but if you find some perceived inconsistencies, feel free to speak up in comments section, we usually fix problems quickly.

i9-12900KS 28.75
Ryzen 9 7900X 33.83
+17.7%

Ryzen 9 7900X outperforms Core i9-12900KS by 18% in our combined benchmark results.


Passmark

Passmark CPU Mark is a widespread benchmark, consisting of 8 different types of workload, including integer and floating point math, extended instructions, compression, encryption and physics calculation. There is also one separate single-threaded scenario measuring single-core performance.

Benchmark coverage: 68%

i9-12900KS 44155
Ryzen 9 7900X 51953
+17.7%

Ryzen 9 7900X outperforms Core i9-12900KS by 18% in Passmark.

GeekBench 5 Single-Core

GeekBench 5 Single-Core is a cross-platform application developed in the form of CPU tests that independently recreate certain real-world tasks with which to accurately measure performance. This version uses only a single CPU core.

Benchmark coverage: 42%

i9-12900KS 2690
Ryzen 9 7900X 2924
+8.7%

Ryzen 9 7900X outperforms Core i9-12900KS by 9% in GeekBench 5 Single-Core.

GeekBench 5 Multi-Core

GeekBench 5 Multi-Core is a cross-platform application developed in the form of CPU tests that independently recreate certain real-world tasks with which to accurately measure performance. This version uses all available CPU cores.

Benchmark coverage: 42%

i9-12900KS 16184
Ryzen 9 7900X 17855
+10.3%

Ryzen 9 7900X outperforms Core i9-12900KS by 10% in GeekBench 5 Multi-Core.

Gaming performance

Advantages and disadvantages


Performance score 28.75 33.83
Integrated graphics card 6.12 4.33
Recency 5 April 2022 27 September 2022
Physical cores 16 12
Power consumption (TDP) 150 Watt 170 Watt

The Ryzen 9 7900X is our recommended choice as it beats the Core i9-12900KS in performance tests.


Should you still have questions on choice between Core i9-12900KS and Ryzen 9 7900X, ask them in Comments section, and we shall answer.

User ratings

Do you think we are right or mistaken in our choice? Vote by clicking "Like" button near your favorite CPU.


Intel Core i9-12900KS
Core i9-12900KS
AMD Ryzen 9 7900X
Ryzen 9 7900X

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Questions and comments

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