i9-12900K vs A8-5600K

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Aggregate performance score

A8-5600K
2012
4 cores / 4 threads, 100 Watt
1.80
Core i9-12900K
2021
16 cores / 24 threads, 125 Watt
26.08
+1349%

Core i9-12900K outperforms A8-5600K by a whopping 1349% based on our aggregate benchmark results.

Primary details

Comparing A8-5600K and Core i9-12900K processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking2023191
Place by popularitynot in top-100not in top-100
Cost-effectiveness evaluationno data37.34
Market segmentDesktop processorDesktop processor
SeriesAMD A-Series (Desktop)Intel Core i9
Power efficiency1.6919.64
Architecture codenameTrinity (2012−2013)Alder Lake, Golden Cove, Gracemont (2021)
Release date2 October 2012 (12 years ago)4 November 2021 (3 years ago)
Launch price (MSRP)no data$589

Cost-effectiveness evaluation

Performance per price, higher is better.

no data

Detailed specifications

A8-5600K and Core i9-12900K 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 cores4 (Quad-Core)16 (Hexadeca-Core)
Threads424
Base clock speed3.6 GHz3.2 GHz
Boost clock speed3.9 GHz5.2 GHz
Bus typeno dataDMI 4.0
Bus rateno data8 × 16 GT/s
Multiplierno data32
L1 cache128K (per core)80K (per core)
L2 cache1 MB (per core)1.25 MB (per core)
L3 cache0 KB30 MB (shared)
Chip lithography32 nm10 nm
Die size246 mm2215.25 mm2"
Maximum core temperatureno data100 °C
Maximum case temperature (TCase)74 °C72 °C
Number of transistors1,178 millionno data
64 bit support++
Windows 11 compatibility-+
Unlocked multiplier++

Compatibility

Information on A8-5600K and Core i9-12900K 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
SocketFM2FCLGA1700
Power consumption (TDP)100 Watt125 Watt

Technologies and extensions

Technological solutions and additional instructions supported by A8-5600K and Core i9-12900K. You'll probably need this information if you require some particular technology.

Instruction set extensionsno dataIntel® SSE4.1, Intel® SSE4.2, Intel® AVX2
AES-NI-+
AVX-+
vProno data+
Enhanced SpeedStep (EIST)no data+
Speed Shiftno data+
Turbo Boost Technologyno data2.0
Hyper-Threading Technologyno data+
Idle Statesno data+
Thermal Monitoring-+
SIPP-+
Turbo Boost Max 3.0no data+
Deep Learning Boost-+

Security technologies

A8-5600K and Core i9-12900K technologies aimed at improving security, for example, by protecting against hacks.

TXTno data+
EDBno data+
Secure Keyno data+
OS Guardno data+

Virtualization technologies

Virtual machine speed-up technologies supported by A8-5600K and Core i9-12900K are enumerated here.

AMD-V+-
VT-dno data+
VT-xno data+
EPTno data+

Memory specs

Types, maximum amount and channel quantity of RAM supported by A8-5600K and Core i9-12900K. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesDDR3DDR4, DDR5
Maximum memory sizeno data128 GB
Max memory channelsno data2
Maximum memory bandwidthno data76.805 GB/s
ECC memory support-+

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics card
Compare
AMD Radeon HD 7560D (760 MHz)Intel UHD Graphics 770
Quick Sync Video-+
Clear Video HDno data+
Graphics max frequencyno data1.55 GHz
Execution Unitsno data32

Graphics interfaces

Available interfaces and connections of A8-5600K and Core i9-12900K integrated GPUs.

Number of displays supportedno data4

Graphics image quality

Maximum display resolutions supported by A8-5600K and Core i9-12900K integrated GPUs, including resolutions over different interfaces.

Max resolution over HDMI 1.4no data4096 x 2160 @ 60Hz
Max resolution over eDPno data5120 x 3200 @ 120Hz
Max resolution over DisplayPortno data7680 x 4320 @ 60Hz

Graphics API support

APIs supported by A8-5600K and Core i9-12900K integrated GPUs, sometimes API versions are included.

DirectXno data12
OpenGLno data4.5

Peripherals

Specifications and connection of peripherals supported by A8-5600K and Core i9-12900K.

PCIe versionno data5.0 and 4.0
PCI Express lanesno data20

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.

A8-5600K 1.80
i9-12900K 26.08
+1349%

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.

A8-5600K 2855
i9-12900K 41433
+1351%

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.

A8-5600K 424
i9-12900K 2647
+524%

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.

A8-5600K 1016
i9-12900K 15552
+1431%

Cinebench 10 32-bit single-core

Cinebench R10 is an ancient ray tracing benchmark for processors by Maxon, authors of Cinema 4D. Its single core version uses just one CPU thread to render a futuristic looking motorcycle.

A8-5600K 2941
i9-12900K 9859
+235%

Cinebench 10 32-bit multi-core

Cinebench Release 10 Multi Core is a variant of Cinebench R10 using all the processor threads. Possible number of threads is limited by 16 in this version.

A8-5600K 8838
i9-12900K 71819
+713%

3DMark06 CPU

3DMark06 is a discontinued DirectX 9 benchmark suite from Futuremark. Its CPU part contains two scenarios, one dedicated to artificial intelligence pathfinding, another to game physics using PhysX package.

A8-5600K 4295
i9-12900K 18753
+337%

wPrime 32

wPrime 32M is a math multi-thread processor test, which calculates square roots of first 32 million integer numbers. Its result is measured in seconds, so that the less is benchmark result, the faster the processor.

A8-5600K 16.7
i9-12900K 3.66
+356%

Cinebench 11.5 64-bit multi-core

Cinebench Release 11.5 Multi Core is a variant of Cinebench R11.5 which uses all the processor threads. A maximum of 64 threads is supported in this version.

A8-5600K 3
i9-12900K 46
+1326%

Cinebench 15 64-bit multi-core

Cinebench Release 15 Multi Core is a variant of Cinebench R15 which uses all the processor threads.

A8-5600K 292
i9-12900K 4057
+1289%

Cinebench 15 64-bit single-core

Cinebench R15 (standing for Release 15) is a benchmark made by Maxon, authors of Cinema 4D. It was superseded by later versions of Cinebench, which use more modern variants of Cinema 4D engine. The Single Core version (sometimes called Single-Thread) only uses a single processor thread to render a room full of reflective spheres and light sources.

A8-5600K 87
i9-12900K 289
+232%

Cinebench 11.5 64-bit single-core

Cinebench R11.5 is an old benchmark by Maxon, authors of Cinema 4D. It was superseded by later versions of Cinebench, which use more modern variants of Cinema 4D engine. The Single Core version loads a single thread with ray tracing to render a glossy room full of crystal spheres and light sources.

A8-5600K 0.98
i9-12900K 3.5
+257%

TrueCrypt AES

TrueCrypt is a discontinued piece of software that was widely used for on-the-fly-encryption of disk partitions, now superseded by VeraCrypt. It contains several embedded performance tests, one of them being TrueCrypt AES, which measures data encryption speed using AES algorithm. Result is encryption speed in gigabytes per second.

A8-5600K 1.8
i9-12900K 19.3
+969%

WinRAR 4.0

WinRAR 4.0 is an outdated version of a popular file archiver. It contains an internal speed test, using 'Best' setting of RAR compression on large chunks of randomly generated data. Its results are measured in kilobytes per second.

A8-5600K 2449
i9-12900K 11834
+383%

x264 encoding pass 2

x264 Pass 2 is a slower variant of x264 video compression that produces a variable bit rate output file, which results in better quality since the higher bit rate is used when it is needed more. Benchmark result is still measured in frames per second.  

A8-5600K 21
i9-12900K 201
+860%

x264 encoding pass 1

x264 version 4.0 is a video encoding benchmark uses MPEG 4 x264 compression method to compress a sample HD (720p) video. Pass 1 is a faster variant that produces a constant bit rate output file. Its result is measured in frames per second, which means how many frames of the source video file were encoded per second.  

A8-5600K 102
i9-12900K 367
+258%

Gaming performance

Pros & cons summary


Performance score 1.80 26.08
Integrated graphics card 1.19 6.16
Recency 2 October 2012 4 November 2021
Physical cores 4 16
Threads 4 24
Chip lithography 32 nm 10 nm
Power consumption (TDP) 100 Watt 125 Watt

A8-5600K has 25% lower power consumption.

i9-12900K, on the other hand, has a 1348.9% higher aggregate performance score, 417.6% faster integrated GPU, an age advantage of 9 years, 300% more physical cores and 500% more threads, and a 220% more advanced lithography process.

The Core i9-12900K is our recommended choice as it beats the A8-5600K in performance tests.


Should you still have questions on choice between A8-5600K and Core i9-12900K, ask them in Comments section, and we shall answer.

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AMD A8-5600K
A8-5600K
Intel Core i9-12900K
Core i9-12900K

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Community ratings

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