i9-12900K vs i9-9980XE

VS

Aggregate performance score

Core i9-9980XE
2018
18 cores / 36 threads, 165 Watt
18.34
Core i9-12900K
2021
16 cores / 24 threads, 125 Watt
26.11
+42.4%

Core i9-12900K outperforms Core i9-9980XE by a considerable 42% based on our aggregate benchmark results.

Primary details

Comparing Core i9-9980XE and Core i9-12900K processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking323185
Place by popularitynot in top-100not in top-100
Cost-effectiveness evaluation3.8135.74
Market segmentDesktop processorDesktop processor
SeriesIntel Core i9Intel Core i9
Power efficiency10.5219.77
Architecture codenameSkylake (server) (2017−2018)Alder Lake, Golden Cove, Gracemont (2021)
Release date19 October 2018 (6 years ago)4 November 2021 (3 years ago)
Launch price (MSRP)$1,979$589

Cost-effectiveness evaluation

Performance per price, higher is better.

i9-12900K has 838% better value for money than i9-9980XE.

Detailed specifications

Core i9-9980XE 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 cores18 (Octadeca-Core)16 (Hexadeca-Core)
Threads3624
Base clock speed3 GHz3.2 GHz
Boost clock speed4.5 GHz5.2 GHz
Bus typeDMI 3.0DMI 4.0
Bus rate4 × 8 GT/s8 × 16 GT/s
Multiplier3032
L1 cache64 KB (per core)80K (per core)
L2 cache1 MB (per core)1.25 MB (per core)
L3 cache24.75 MB (shared)30 MB (shared)
Chip lithography14 nm10 nm
Die size484 mm2215.25 mm2"
Maximum core temperature84 °C100 °C
Maximum case temperature (TCase)no data72 °C
64 bit support++
Windows 11 compatibility++
Unlocked multiplier++

Compatibility

Information on Core i9-9980XE 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 configuration1 (Uniprocessor)1
SocketFCLGA2066FCLGA1700
Power consumption (TDP)165 Watt125 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Core i9-9980XE and Core i9-12900K. You'll probably need this information if you require some particular technology.

Instruction set extensionsIntel® SSE4.1, Intel® SSE4.2, Intel® AVX2, Intel® AVX-512Intel® SSE4.1, Intel® SSE4.2, Intel® AVX2
AES-NI++
AVX++
vPro++
Enhanced SpeedStep (EIST)++
Speed Shiftno data+
Turbo Boost Technology2.02.0
Hyper-Threading Technology++
TSX+-
Idle Statesno data+
Thermal Monitoring-+
SIPP-+
Turbo Boost Max 3.0++
Deep Learning Boost-+

Security technologies

Core i9-9980XE and Core i9-12900K technologies aimed at improving security, for example, by protecting against hacks.

TXTno data+
EDB++
Secure Keyno data+
OS Guardno data+

Virtualization technologies

Virtual machine speed-up technologies supported by Core i9-9980XE and Core i9-12900K are enumerated here.

AMD-V+-
VT-d++
VT-x++
EPTno data+

Memory specs

Types, maximum amount and channel quantity of RAM supported by Core i9-9980XE and Core i9-12900K. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesDDR4DDR4, DDR5
Maximum memory size128 GB128 GB
Max memory channels42
Maximum memory bandwidth85.33 GB/s76.805 GB/s
ECC memory support-+

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics cardN/AIntel 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 Core i9-9980XE and Core i9-12900K integrated GPUs.

Number of displays supportedno data4

Graphics image quality

Maximum display resolutions supported by Core i9-9980XE 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 Core i9-9980XE and Core i9-12900K integrated GPUs, sometimes API versions are included.

DirectXno data12
OpenGLno data4.5

Peripherals

Specifications and connection of peripherals supported by Core i9-9980XE and Core i9-12900K.

PCIe version3.05.0 and 4.0
PCI Express lanes4420

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.

i9-9980XE 18.34
i9-12900K 26.11
+42.4%

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.

i9-9980XE 29127
i9-12900K 41471
+42.4%

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.

i9-9980XE 1438
i9-12900K 2652
+84.4%

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.

i9-9980XE 11446
i9-12900K 15572
+36%

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.

i9-9980XE 7323
i9-12900K 9859
+34.6%

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.

i9-9980XE 58001
i9-12900K 71819
+23.8%

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.

i9-9980XE 13495
i9-12900K 18753
+39%

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.

i9-9980XE 2.74
+33.6%
i9-12900K 3.66

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.

i9-9980XE 39
i9-12900K 46
+18.3%

Cinebench 15 64-bit multi-core

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

i9-9980XE 3736
i9-12900K 4057
+8.6%

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.

i9-9980XE 198
i9-12900K 289
+46.3%

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.

i9-9980XE 2.22
i9-12900K 3.5
+57.7%

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.

i9-9980XE 18.1
i9-12900K 19.3
+6.4%

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.  

i9-9980XE 156
i9-12900K 201
+28.8%

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.  

i9-9980XE 207
i9-12900K 367
+77.6%

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.

i9-9980XE 6879
i9-12900K 11834
+72%

Geekbench 5.5 Multi-Core

i9-9980XE 15780
i9-12900K 17776
+12.6%

Blender(-)

i9-9980XE 137
+9.5%
i9-12900K 125

Geekbench 5.5 Single-Core

i9-9980XE 1200
i9-12900K 2006
+67.1%

7-Zip Single

i9-9980XE 5110
i9-12900K 6576
+28.7%

7-Zip

i9-9980XE 93018
i9-12900K 97316
+4.6%

Gaming performance

Pros & cons summary


Performance score 18.34 26.11
Recency 19 October 2018 4 November 2021
Physical cores 18 16
Threads 36 24
Chip lithography 14 nm 10 nm
Power consumption (TDP) 165 Watt 125 Watt

i9-9980XE has 12.5% more physical cores and 50% more threads.

i9-12900K, on the other hand, has a 42.4% higher aggregate performance score, an age advantage of 3 years, a 40% more advanced lithography process, and 32% lower power consumption.

The Core i9-12900K is our recommended choice as it beats the Core i9-9980XE in performance tests.


Should you still have questions on choice between Core i9-9980XE and Core i9-12900K, ask them in Comments section, and we shall answer.

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Intel Core i9-9980XE
Core i9-9980XE
Intel Core i9-12900K
Core i9-12900K

Similar processor comparisons

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Community ratings

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Questions & comments

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