Intel Core i9-9900K Intel Core i7-12700K
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Intel Core i9-9900K vs Intel Core i7-12700K

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The Intel Core i9-9900K is a desktop processor introduced in late 2018 for enthusiasts and content creators.

Based on the Coffee Lake S Refresh architecture, it was manufactured using the 14 nm process. This CPU features 8 cores and 16 threads and offered solid multi-core performance for its time. The platform supported PCIe 3.0 and achieved a maximum memory bandwidth of 43 GB/s, complemented by 16 MB of L3 cache and an Intel UHD Graphics 630.

The Intel Core i7-12700K is a desktop processor from the Alder Lake S generation, released in late 2021, targeting demanding users.

It is manufactured using the 10 nm process (Intel 7) and utilizes a hybrid architecture with 8 performance cores and 4 efficiency cores, totaling 12 cores and 20 threads. This enables high single-core and multi-core performance. The CPU supports PCIe 5.0, DDR5 memory, and offers a maximum memory bandwidth of 77 GB/s, with 12 MB of L2 cache and 25 MB of L3 cache, as well as an Intel UHD Graphics 770.

In a performance comparison, the Intel Core i7-12700K shows significantly higher single-core and multi-core performance than the Intel Core i9-9900K, due to architectural advancements and more cores. For gaming, the Intel Core i7-12700K offers a superior experience thanks to its better single-core performance and more modern platform features like PCIe 5.0.

Both CPUs can exhibit high power consumption under load. However, the Intel Core i7-12700K offers better performance per watt due to its newer manufacturing process. The Intel Core i9-9900K is mostly only available on the used market, while the Intel Core i7-12700K represents a better price-performance ratio for current systems.

Intel Core i9-9900K

  • 8 Cores, 16 Threads (Coffee Lake S Refresh)
  • Manufactured using the 14 nm process
  • PCIe 3.0 support
  • Integrated Intel UHD Graphics 630

Intel Core i7-12700K

  • 12 Cores, 20 Threads (Alder Lake S Hybrid Architecture)
  • Manufactured using the 10 nm process (Intel 7)
  • PCIe 5.0 support
  • Significantly higher single-core and multi-core performance

Performance Overview
Average performance across multiple benchmarks

Single-core performance
Rank 2 - 68 %
Intel Core i9-9900K
Rank 1 - 100 %
Intel Core i7-12700K
Multi-core performance
Rank 2 - 59 %
Intel Core i9-9900K
Rank 1 - 100 %
Intel Core i7-12700K
Cinebench 2026 Single-Thread

Cinebench 2026 Single-Thread
Single-core performance

Intel Core i9-9900K
8C / 16T · 5.00 GHz
328 pts
Intel Core i7-12700K
12C / 20T · 5.00 GHz
488 pts
Cinebench 2026 Multi-Core

Cinebench 2026 Multi-Core
Multi-core performance

Intel Core i9-9900K
8C / 16T · 5.00 GHz
2,996 pts
Intel Core i7-12700K
12C / 20T · 5.00 GHz
5,132 pts
Cinebench 2024 Single-Core

Cinebench 2024 Single-Core
Single-core performance

Intel Core i9-9900K
8C / 16T · 5.00 GHz
77 pts
Intel Core i7-12700K
12C / 20T · 5.00 GHz
114 pts
Cinebench 2024 Multi-Core

Cinebench 2024 Multi-Core
Multi-core performance

Intel Core i9-9900K
8C / 16T · 5.00 GHz
640 pts
Intel Core i7-12700K
12C / 20T · 5.00 GHz
1,175 pts
Cinebench R23 Single-Core

Cinebench R23 Single-Core
Single-core performance

Intel Core i9-9900K
8C / 16T · 5.00 GHz
1,294 pts
Intel Core i7-12700K
12C / 20T · 5.00 GHz
1,939 pts
Cinebench R23 Multi-Core

Cinebench R23 Multi-Core
Multi-core performance

Intel Core i9-9900K
8C / 16T · 4.70 GHz
12,812 pts
Intel Core i7-12700K
12C / 20T · 4.70 GHz
22,812 pts
Geekbench 6 Single-Core

Geekbench 6 Single-Core
Single-core performance

Intel Core i9-9900K
8C / 16T · 5.00 GHz
1,650
Intel Core i7-12700K
12C / 20T · 5.00 GHz
2,528
Geekbench 6 Multi-Core

Geekbench 6 Multi-Core
Multi-core performance

Intel Core i9-9900K
8C / 16T · 4.70 GHz
8,182
Intel Core i7-12700K
12C / 20T · 4.70 GHz
14,129
Cinebench R20 Single-Core

Cinebench R20 Single-Core
Single-core performance

Intel Core i9-9900K
8C / 16T · 5.00 GHz
518 cb
Intel Core i7-12700K
12C / 20T · 5.00 GHz
757 cb
Geekbench 5, 64bit Single-Core

Geekbench 5, 64bit Single-Core
Single-core performance

Intel Core i9-9900K
8C / 16T · 5.00 GHz
1,342
Intel Core i7-12700K
12C / 20T · 5.00 GHz
1,872
Cinebench R20 Multi-Core

Cinebench R20 Multi-Core
Multi-core performance

Intel Core i9-9900K
8C / 16T · 4.70 GHz
4,995 cb
Intel Core i7-12700K
12C / 20T · 4.70 GHz
8,750 cb
Geekbench 5, 64bit Multi-Core

Geekbench 5, 64bit Multi-Core
Multi-core performance

Intel Core i9-9900K
8C / 16T · 4.70 GHz
8,779
Intel Core i7-12700K
12C / 20T · 4.70 GHz
14,992
iGPU - FP32 Performance (Single-precision GFLOPS)

iGPU - FP32 Performance (Single-precision GFLOPS)

Intel Core i9-9900K
Intel UHD Graphics 630
461
Intel Core i7-12700K
Intel UHD Graphics 770
768
Blender 3.1 Benchmark

Blender 3.1 Benchmark
Multi-core performance

Intel Core i9-9900K
8C / 16T · 4.70 GHz
171
Intel Core i7-12700K
12C / 20T · 4.70 GHz
319
CPU-Z Benchmark 17 Single-Core

CPU-Z Benchmark 17 Single-Core
Single-core performance

Intel Core i9-9900K
8C / 16T · 5.00 GHz
545
Intel Core i7-12700K
12C / 20T · 5.00 GHz
790
CPU-Z Benchmark 17 Multi-Core

CPU-Z Benchmark 17 Multi-Core
Multi-core performance

Intel Core i9-9900K
8C / 16T · 3.60 GHz
5,502
Intel Core i7-12700K
12C / 20T · 3.60 GHz
7,761
Cinebench R15 (Single-Core)

Cinebench R15 (Single-Core)
Single-core performance

Intel Core i9-9900K
8C / 16T · 5.00 GHz
219 cb
Intel Core i7-12700K
12C / 20T · 5.00 GHz
286 cb
Cinebench R15 (Multi-Core)

Cinebench R15 (Multi-Core)
Multi-core performance

Intel Core i9-9900K
8C / 16T · 4.70 GHz
2,245 cb
Intel Core i7-12700K
12C / 20T · 4.70 GHz
3,327 cb

More benchmarks

At a glance

Wischen
Intel Core i9-9900KIntel Core i7-12700K
FamilyIntel Core i9 (81)Intel Core i7 (300)
CPU groupIntel Core i 9000 (34)Intel Core i 12000 (34)
ArchitectureCoffee Lake S RefreshAlder Lake S
Technology14 nm10 nm
SegmentDesktopDesktop
SocketLGA 1151-2LGA 1700
PredecessorIntel Core i7-11700K
SuccessorIntel Core i9-10900KIntel Core i7-13700K

CPU Cores and Base Frequency

Wischen
Intel Core i9-9900KIntel Core i7-12700K
CPU Cores / Threads8 / 1612 / 20
Hyperthreading / SMT
Core architecturenormalhybrid (big.LITTLE)
Core Cluster 1: 8x
3.60 - 5.00 GHz
8x Golden Cove
3.60 - 5.00 GHz
Core Cluster 2: 4x Gracemont
2.70 - 3.80 GHz
L2-Cache12.00 MB
L3-Cache16.00 MB25.00 MB
Overclocking

Integrated graphics (iGPU)

Wischen
Intel Core i9-9900KIntel Core i7-12700K
GPU nameIntel UHD Graphics 630Intel UHD Graphics 770
GPU frequency0.35 - 1.20 GHz0.30 - 1.50 GHz
CUs / Shader24 / 19232 / 256
Raytracing
Max. displays33
Max. GPU Memory64 GB64 GB
Technology14 nm10 nm
Release dateQ4/2017Q4/2021

NPU AI performance

Wischen
Intel Core i9-9900KIntel Core i7-12700K
AI hardware
AI specifications
NPU + CPU + iGPU

Memory & PCIe

Wischen
Intel Core i9-9900KIntel Core i7-12700K
MemoryDDR4-2666 (42.7 GB/s)
DDR5-4800 (76.8 GB/s)
DDR4-3200 (51.2 GB/s)
Max. Memory128 GB128 GB
Memory channels22
ECCNoYes
PCIe3.0 x 165.0 x 20
PCIe Bandwidth15.8 GB/s78.8 GB/s

Thermal Management

Wischen
Intel Core i9-9900KIntel Core i7-12700K
TDP95 W125 W
TDP (PL2)119 W @ 28 s190 W
TDP up
TDP down
T. junction max.100 °C100 °C

Technical details

Wischen
Intel Core i9-9900KIntel Core i7-12700K
Chip designMonolithicMonolithic
AES-NI
Operating systemsWindows 10, Windows 11, LinuxWindows 10, Windows 11, Linux
Instruction setx86-64 (64 bit)x86-64 (64 bit)
ISA extensionsSSE4.1, SSE4.2, AVX2SSE4.1, SSE4.2, AVX2, AVX2+
Release dateQ4/2018Q4/2021
Release price650 $409 $
DocumentsTechnical data sheetTechnical data sheet

Your rating

Here you can rate one or both of the processors. The average rating of Intel Core i9-9900K is 4.2 stars (111 ratings), while Intel Core i7-12700K has received 4.4 stars (131 ratings).

Click on the stars to rate one or both processors.

Intel Core i9-9900K
Intel Core i9-9900K
8C / 16T · 3.60 - 5.00 GHz
Intel Core i7-12700K
Intel Core i7-12700K
12C / 20T · 3.60 - 5.00 GHz

Most popular CPUs in both categories

Intel Core i9-9900K
Intel Core i9-9900K
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