i9-12900K vs FX-8350

VS

Aggregate performance score

FX-8350
2012
8 cores / 8 threads, 125 Watt
3.74
Core i9-12900K
2021
16 cores / 24 threads, 125 Watt
26.08
+597%

Core i9-12900K outperforms FX-8350 by a whopping 597% based on our aggregate benchmark results.

Primary details

Comparing FX-8350 and Core i9-12900K processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking1486191
Place by popularitynot in top-100not in top-100
Cost-effectiveness evaluation0.8837.30
Market segmentDesktop processorDesktop processor
SeriesAMD FX-Series (Desktop)Intel Core i9
Power efficiency2.8319.76
Architecture codenameVishera (2012−2015)Alder Lake, Golden Cove, Gracemont (2021)
Release date23 October 2012 (12 years ago)4 November 2021 (3 years ago)
Launch price (MSRP)$199$589

Cost-effectiveness evaluation

Performance per price, higher is better.

i9-12900K has 4139% better value for money than FX-8350.

Detailed specifications

FX-8350 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 cores8 (Octa-Core)16 (Hexadeca-Core)
Threads824
Base clock speed4 GHz3.2 GHz
Boost clock speed4.2 GHz5.2 GHz
Bus typeno dataDMI 4.0
Bus rateno data8 × 16 GT/s
Multiplierno data32
L1 cacheno data80K (per core)
L2 cache8192 KB1.25 MB (per core)
L3 cacheno data30 MB (shared)
Chip lithography32 nm10 nm
Die size315 mm2215.25 mm2"
Maximum core temperature61 °C100 °C
Maximum case temperature (TCase)no data72 °C
Number of transistors1,200 millionno data
64 bit support++
Windows 11 compatibility-+
Unlocked multiplier++
P0 Vcore voltageMin: 1.2 V - Max: 1.4 Vno data

Compatibility

Information on FX-8350 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
SocketAM3+FCLGA1700
Power consumption (TDP)125 Watt125 Watt

Technologies and extensions

Technological solutions and additional instructions supported by FX-8350 and Core i9-12900K. You'll probably need this information if you require some particular technology.

Instruction set extensionsMMX, SSE, SSE2, SSE3, SSSE3, SSE4.1, SSE4.2, SSE4a, AMD64, AMD-V, AES, AVX, CLMUL, CVT16, EVP, FMA4, XOP, Turbo Core, HT3.1Intel® 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+
Deep Learning Boost-+

Security technologies

FX-8350 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 FX-8350 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 FX-8350 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 cardOn certain motherboards (Chipset feature)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 FX-8350 and Core i9-12900K integrated GPUs.

Number of displays supportedno data4

Graphics image quality

Maximum display resolutions supported by FX-8350 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 FX-8350 and Core i9-12900K integrated GPUs, sometimes API versions are included.

DirectXno data12
OpenGLno data4.5

Peripherals

Specifications and connection of peripherals supported by FX-8350 and Core i9-12900K.

PCIe versionn/a5.0 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.

FX-8350 3.74
i9-12900K 26.08
+597%

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.

FX-8350 5936
i9-12900K 41434
+598%

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.

FX-8350 486
i9-12900K 2647
+445%

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.

FX-8350 1983
i9-12900K 15553
+684%

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.

FX-8350 3201
i9-12900K 9859
+208%

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.

FX-8350 16904
i9-12900K 71819
+325%

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.

FX-8350 6648
i9-12900K 18753
+182%

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.

FX-8350 8.34
i9-12900K 3.66
+128%

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.

FX-8350 7
i9-12900K 46
+562%

Cinebench 15 64-bit multi-core

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

FX-8350 636
i9-12900K 4057
+538%

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.

FX-8350 97
i9-12900K 289
+198%

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.

FX-8350 1.1
i9-12900K 3.5
+218%

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.

FX-8350 3.6
i9-12900K 19.3
+435%

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.

FX-8350 4562
i9-12900K 11834
+159%

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.  

FX-8350 44
i9-12900K 201
+362%

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.  

FX-8350 139
i9-12900K 367
+164%

Gaming performance

Pros & cons summary


Performance score 3.74 26.08
Recency 23 October 2012 4 November 2021
Physical cores 8 16
Threads 8 24
Chip lithography 32 nm 10 nm

i9-12900K has a 597.3% higher aggregate performance score, an age advantage of 9 years, 100% more physical cores and 200% more threads, and a 220% more advanced lithography process.

The Core i9-12900K is our recommended choice as it beats the FX-8350 in performance tests.


Should you still have questions on choice between FX-8350 and Core i9-12900K, ask them in Comments section, and we shall answer.

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AMD FX-8350
FX-8350
Intel Core i9-12900K
Core i9-12900K

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Community ratings

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