i9-12900HK vs A6-6400K

VS

Aggregate performance score

A6-6400K
2013
2 cores / 2 threads, 65 Watt
0.95
Core i9-12900HK
2022
14 cores / 20 threads, 45 Watt
17.15
+1705%

Core i9-12900HK outperforms A6-6400K by a whopping 1705% based on our aggregate benchmark results.

Primary details

Comparing A6-6400K and Core i9-12900HK processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking2519376
Place by popularitynot in top-100not in top-100
Market segmentDesktop processorLaptop
SeriesAMD A-Series (Desktop)Intel Alder Lake-P
Power efficiency1.3836.09
Architecture codenameRichland (2013−2014)Alder Lake-H (2022)
Release date1 June 2013 (11 years ago)4 January 2022 (2 years ago)

Detailed specifications

A6-6400K and Core i9-12900HK 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 cores2 (Dual-core)14 (Tetradeca-Core)
Threads220
Base clock speed3.9 GHz2.5 GHz
Boost clock speed4.1 GHz5 GHz
L1 cache96 KB80K (per core)
L2 cache1024 KB1.25 MB (per core)
L3 cache0 KB24 MB (shared)
Chip lithography32 nmIntel 7 nm
Die size246 mm2217 mm2
Maximum core temperature70 °C100 °C
Maximum case temperature (TCase)70 °Cno data
Number of transistors1,178 millionno data
64 bit support++
Windows 11 compatibility-+
Unlocked multiplier++

Compatibility

Information on A6-6400K and Core i9-12900HK 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
SocketFM2FCBGA1744
Power consumption (TDP)65 Watt45 Watt

Technologies and extensions

Technological solutions and additional instructions supported by A6-6400K and Core i9-12900HK. You'll probably need this information if you require some particular technology.

Instruction set extensionsMMX, SSE1-4a, AES, ABM, AVX, BMI1, AMD64, VT, EVP, Turbo Core 3.0Intel® SSE4.1, Intel® SSE4.2, Intel® AVX2
AES-NI++
FMAFMA4-
AVX++
PowerNow+-
PowerGating+-
VirusProtect+-
Enhanced SpeedStep (EIST)no data+
Speed Shiftno data+
Hyper-Threading Technologyno data+
TSX-+
Thermal Monitoring-+
Flex Memory Accessno data+
Turbo Boost Max 3.0no data+
Deep Learning Boost-+

Security technologies

A6-6400K and Core i9-12900HK 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 A6-6400K and Core i9-12900HK are enumerated here.

AMD-V+-
VT-dno data+
VT-xno data+
EPTno data+
IOMMU 2.0+-

Memory specs

Types, maximum amount and channel quantity of RAM supported by A6-6400K and Core i9-12900HK. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesDDR3-1866DDR4, DDR5
Maximum memory sizeno data64 GB
Max memory channels22

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics cardAMD Radeon HD 8470DIntel® Iris® Xe Graphics eligible
จำนวนพาธไลน์192no data
Quick Sync Video-+
Enduro+-
Switchable graphics+-
UVD+-
VCE+-
Graphics max frequencyno data1.45 GHz
Execution Unitsno data96

Graphics interfaces

Available interfaces and connections of A6-6400K and Core i9-12900HK integrated GPUs.

Number of displays supportedno data4
DisplayPort+-
HDMI+-

Graphics image quality

Maximum display resolutions supported by A6-6400K and Core i9-12900HK integrated GPUs, including resolutions over different interfaces.

Max resolution over HDMI 1.4no data4096 x 2304 @ 60Hz
Max resolution over eDPno data4096 x 2304 @ 120Hz
Max resolution over DisplayPortno data7680 x 4320 @ 60Hz

Graphics API support

APIs supported by A6-6400K and Core i9-12900HK integrated GPUs, sometimes API versions are included.

DirectXDirectX® 1112.1
OpenGLno data4.6

Peripherals

Specifications and connection of peripherals supported by A6-6400K and Core i9-12900HK.

PCIe version2.04.0
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.

A6-6400K 0.95
i9-12900HK 17.15
+1705%

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.

A6-6400K 1502
i9-12900HK 27240
+1714%

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.

A6-6400K 3068
i9-12900HK 9397
+206%

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.

A6-6400K 5079
i9-12900HK 49924
+883%

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.

A6-6400K 2654
i9-12900HK 15598
+488%

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.

A6-6400K 2
i9-12900HK 27
+1542%

Cinebench 15 64-bit multi-core

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

A6-6400K 149
i9-12900HK 2836
+1803%

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.

A6-6400K 88
i9-12900HK 270
+207%

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.

A6-6400K 0.83
i9-12900HK 3.26
+293%

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.

A6-6400K 1
i9-12900HK 14.1
+1369%

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.  

A6-6400K 11
i9-12900HK 125
+1017%

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.  

A6-6400K 57
i9-12900HK 300
+428%

Gaming performance

Pros & cons summary


Performance score 0.95 17.15
Recency 1 June 2013 4 January 2022
Physical cores 2 14
Threads 2 20
Power consumption (TDP) 65 Watt 45 Watt

i9-12900HK has a 1705.3% higher aggregate performance score, an age advantage of 8 years, 600% more physical cores and 900% more threads, and 44.4% lower power consumption.

The Core i9-12900HK is our recommended choice as it beats the A6-6400K in performance tests.

Note that A6-6400K is a desktop processor while Core i9-12900HK is a notebook one.


Should you still have questions on choice between A6-6400K and Core i9-12900HK, ask them in Comments section, and we shall answer.

Vote for your favorite

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


AMD A6-6400K
A6-6400K
Intel Core i9-12900HK
Core i9-12900HK

Similar processor comparisons

We picked several similar comparisons of processors in the same market segment and performance relatively close to those reviewed on this page.

Community ratings

Here you can see how users rate the processors, as well as rate them yourself.


3.1 171 vote

Rate A6-6400K on a scale of 1 to 5:

  • 1
  • 2
  • 3
  • 4
  • 5
4.3 70 votes

Rate Core i9-12900HK on a scale of 1 to 5:

  • 1
  • 2
  • 3
  • 4
  • 5

Questions & comments

Here you can ask a question about A6-6400K or Core i9-12900HK, agree or disagree with our judgements, or report an error or mismatch.