Athlon Silver 7120U vs i9-12900K

VS

Aggregate performance score

Core i9-12900K
2021
16 cores / 24 threads, 125 Watt
27.10
+1222%
Athlon Silver 7120U
2022
2 cores / 2 threads, 15 Watt
2.05

Core i9-12900K outperforms Athlon Silver 7120U by a whopping 1222% based on our aggregate benchmark results.

Primary details

Comparing Core i9-12900K and Athlon Silver 7120U processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking1821920
Place by popularitynot in top-100not in top-100
Cost-effectiveness evaluation37.71no data
Market segmentDesktop processorLaptop
SeriesIntel Core i9no data
Power efficiency19.7712.46
Architecture codenameAlder Lake, Golden Cove, Gracemont (2021)Mendocino (Zen 2) (2022−2023)
Release date27 October 2021 (3 years ago)20 September 2022 (2 years ago)
Launch price (MSRP)$589no data

Cost-effectiveness evaluation

Performance per price, higher is better.

no data

Detailed specifications

Core i9-12900K and Athlon Silver 7120U 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)2 (Dual-core)
Threads242
Base clock speed3.2 GHz2.4 GHz
Boost clock speed5.2 GHz3.5 GHz
Bus typeDMI 4.0no data
Bus rate8 × 16 GT/sno data
Multiplier32no data
L1 cache768 KB64 KB (per core)
L2 cache4 MB512 KB (per core)
L3 cache6 MB2 MB (shared)
Chip lithography10 nm6 nm
Die size215.25 mm2"100 mm2
Maximum core temperature100 °Cno data
Maximum case temperature (TCase)72 °Cno data
64 bit support++
Windows 11 compatibility+no data
Unlocked multiplier+-

Compatibility

Information on Core i9-12900K and Athlon Silver 7120U 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
SocketFCLGA1700FP6
Power consumption (TDP)125 Watt15 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Core i9-12900K and Athlon Silver 7120U. You'll probably need this information if you require some particular technology.

Instruction set extensionsIntel® SSE4.1, Intel® SSE4.2, Intel® AVX2XFR, FMA3, SSE 4.2, AVX2, SMT
AES-NI++
AVX++
vPro+no data
Enhanced SpeedStep (EIST)+no data
Speed Shift+no data
Turbo Boost Technology2.0no data
Hyper-Threading Technology+no data
Idle States+no data
Thermal Monitoring+-
SIPP+-
Turbo Boost Max 3.0+no data
Deep Learning Boost+-

Security technologies

Core i9-12900K and Athlon Silver 7120U 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 i9-12900K and Athlon Silver 7120U are enumerated here.

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

Memory specs

Types, maximum amount and channel quantity of RAM supported by Core i9-12900K and Athlon Silver 7120U. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesDDR4, DDR5DDR5 Dual-channel
Maximum memory size128 GBno data
Max memory channels2no data
Maximum memory bandwidth76.805 GB/sno data
ECC memory support+-

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics card
Compare
Intel UHD Graphics 770AMD Radeon 610M
Quick Sync Video+-
Clear Video HD+no data
Graphics max frequency1.55 GHzno data
Execution Units32no data

Graphics interfaces

Available interfaces and connections of Core i9-12900K and Athlon Silver 7120U integrated GPUs.

Number of displays supported4no data

Graphics image quality

Maximum display resolutions supported by Core i9-12900K and Athlon Silver 7120U 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 i9-12900K and Athlon Silver 7120U integrated GPUs, sometimes API versions are included.

DirectX12no data
OpenGL4.5no data

Peripherals

Specifications and connection of peripherals supported by Core i9-12900K and Athlon Silver 7120U.

PCIe version5.0 and 4.03.0
PCI Express lanes204

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.

i9-12900K 27.10
+1222%
Athlon Silver 7120U 2.05

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.

i9-12900K 41473
+1220%
Athlon Silver 7120U 3142

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.

i9-12900K 2654
+176%
Athlon Silver 7120U 961

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.

i9-12900K 15565
+885%
Athlon Silver 7120U 1580

Gaming performance

Pros & cons summary


Performance score 27.10 2.05
Integrated graphics card 6.15 2.85
Recency 27 October 2021 20 September 2022
Physical cores 16 2
Threads 24 2
Chip lithography 10 nm 6 nm
Power consumption (TDP) 125 Watt 15 Watt

i9-12900K has a 1222% higher aggregate performance score, 115.8% faster integrated GPU, and 700% more physical cores and 1100% more threads.

Athlon Silver 7120U, on the other hand, has an age advantage of 10 months, a 66.7% more advanced lithography process, and 733.3% lower power consumption.

The Core i9-12900K is our recommended choice as it beats the Athlon Silver 7120U in performance tests.

Note that Core i9-12900K is a desktop processor while Athlon Silver 7120U is a notebook one.


Should you still have questions on choice between Core i9-12900K and Athlon Silver 7120U, ask them in Comments section, and we shall answer.

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Intel Core i9-12900K
Core i9-12900K
AMD Athlon Silver 7120U
Athlon Silver 7120U

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Community ratings

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Questions & comments

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