i7-12700K vs A9-9420

#ad 
Buy on Amazon
VS

Aggregate performance score

A9-9420
2016
2 cores / 2 threads, 15 Watt
0.98
Core i7-12700K
2021
12 cores / 20 threads, 125 Watt
22.66
+2212%

Core i7-12700K outperforms A9-9420 by a whopping 2212% based on our aggregate benchmark results.

Primary details

Comparing A9-9420 and Core i7-12700K processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking2478233
Place by popularitynot in top-10064
Cost-effectiveness evaluationno data42.21
Market segmentLaptopDesktop processor
SeriesAMD Bristol RidgeIntel Core i7
Architecture codenameStoney Ridge (2016−2019)Alder Lake, Golden Cove, Gracemont (2021)
Release date31 May 2016 (8 years ago)27 October 2021 (2 years ago)
Launch price (MSRP)no data$409

Cost-effectiveness evaluation

Performance per price, higher is better.

no data

Detailed specifications

A9-9420 and Core i7-12700K 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)12 (Dodeca-Core)
Threads220
Base clock speed3 GHz3.6 GHz
Boost clock speed3.6 GHz5 GHz
Bus typeno dataDMI 4.0
Bus rateno data8 × 16 GT/s
Multiplierno data36
L1 cache160 KB384 KB
L2 cache1 MB (shared)2 MB
L3 cacheno data1 MB
Chip lithography28 nm10 nm
Die size125 mm2215.25 mm2
Maximum core temperature90 °C100 °C
Maximum case temperature (TCase)74 °C72 °C
Number of transistors1,200 millionno data
64 bit support++
Windows 11 compatibility-+
Unlocked multiplier-+

Compatibility

Information on A9-9420 and Core i7-12700K 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
SocketFT4FCLGA1700
Power consumption (TDP)15 Watt125 Watt

Technologies and extensions

Technological solutions and additional instructions supported by A9-9420 and Core i7-12700K. You'll probably need this information if you require some particular technology.

Instruction set extensionsVirtualization,Intel® SSE4.1, Intel® SSE4.2, Intel® AVX2
AES-NI++
FMA++
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+
Statusno dataLaunched
Deep Learning Boost-+

Security technologies

A9-9420 and Core i7-12700K 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 A9-9420 and Core i7-12700K 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 A9-9420 and Core i7-12700K. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesDDR4DDR4, 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 cardRadeon R5Intel UHD Graphics 770
Quick Sync Video-+
Clear Video HDno data+
Graphics max frequencyno data1.5 GHz
Execution Unitsno data32

Graphics interfaces

Available interfaces and connections of A9-9420 and Core i7-12700K integrated GPUs.

Number of displays supportedno data4

Graphics image quality

Maximum display resolutions supported by A9-9420 and Core i7-12700K 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 A9-9420 and Core i7-12700K integrated GPUs, sometimes API versions are included.

DirectXno data12
OpenGLno data4.5

Peripherals

Specifications and connection of peripherals supported by A9-9420 and Core i7-12700K.

PCIe version3.05.0 and 4.0
PCI Express lanes820

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.

A9-9420 0.98
i7-12700K 22.66
+2212%

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.

A9-9420 1498
i7-12700K 34610
+2210%

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.

A9-9420 325
i7-12700K 2555
+686%

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.

A9-9420 500
i7-12700K 13781
+2656%

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.

A9-9420 2875
i7-12700K 9305
+224%

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.

A9-9420 4841
i7-12700K 63484
+1211%

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.

A9-9420 21.29
i7-12700K 2.66
+700%

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.

A9-9420 2
i7-12700K 38
+2240%

Cinebench 15 64-bit multi-core

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

A9-9420 134
i7-12700K 3325
+2381%

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.

A9-9420 81
i7-12700K 272
+236%

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.

A9-9420 0.99
i7-12700K 3.29
+232%

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.

A9-9420 1.1
i7-12700K 15.7
+1327%

Gaming performance

Pros & cons summary


Performance score 0.98 22.66
Recency 31 May 2016 27 October 2021
Physical cores 2 12
Threads 2 20
Chip lithography 28 nm 10 nm
Power consumption (TDP) 15 Watt 125 Watt

A9-9420 has 733.3% lower power consumption.

i7-12700K, on the other hand, has a 2212.2% higher aggregate performance score, an age advantage of 5 years, 500% more physical cores and 900% more threads, and a 180% more advanced lithography process.

The Core i7-12700K is our recommended choice as it beats the A9-9420 in performance tests.

Be aware that A9-9420 is a notebook processor while Core i7-12700K is a desktop one.


Should you still have questions on choice between A9-9420 and Core i7-12700K, 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 A9-9420
A9-9420
Intel Core i7-12700K
Core i7-12700K

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.


2.8 509 votes

Rate A9-9420 on a scale of 1 to 5:

  • 1
  • 2
  • 3
  • 4
  • 5
4.2 1818 votes

Rate Core i7-12700K on a scale of 1 to 5:

  • 1
  • 2
  • 3
  • 4
  • 5

Questions & comments

Here you can ask a question about A9-9420 or Core i7-12700K, agree or disagree with our judgements, or report an error or mismatch.