Intel Core i9-11900K vs Intel Core i7-12700K

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CPU comparison with benchmarks


Intel Core i9-11900K CPU1 vs CPU2 Intel Core i7-12700K
Intel Core i9-11900K Intel Core i7-12700K

CPU comparison

In this CPU comparison, we compare the Intel Core i9-11900K and the Intel Core i7-12700K and use benchmarks to check which processor is faster.

We compare the Intel Core i9-11900K 8 core processor released in Q1/2021 with the Intel Core i7-12700K which has 12 CPU cores and was introduced in Q4/2021.
Intel Core i9 (78) Family Intel Core i7 (293)
Intel Core i 11000 (22) CPU group Intel Core i 12000 (34)
11 Generation 12
Rocket Lake S Architecture Alder Lake S
Desktop / Server Segment Desktop / Server
Intel Core i9-10900K Predecessor Intel Core i7-11700K
Intel Core i9-12900K Successor Intel Core i7-13700K

CPU Cores and Base Frequency

The Intel Core i9-11900K is a 8 core processor with a clock frequency of 3.50 GHz (5.30 GHz). The processor can compute 16 threads at the same time. The Intel Core i7-12700K clocks with 3.60 GHz (5.00 GHz), has 12 CPU cores and can calculate 20 threads in parallel.

Intel Core i9-11900K Characteristic Intel Core i7-12700K
8 Cores 12
16 Threads 20
normal Core architecture hybrid (big.LITTLE)
Yes Hyperthreading Yes
Yes Overclocking ? Yes
3.50 GHz (5.30 GHz)
8x Cypress Cove
A-Core 3.60 GHz (5.00 GHz)
8x Golden Cove
-- B-Core 2.70 GHz (3.80 GHz)
4x Gracemont

Artificial Intelligence and Machine Learning

Processors with the support of artificial intelligence (AI) and machine learning (ML) can process many calculations, especially audio, image and video processing, much faster than classic processors. Algorithms for ML improve their performance the more data they have collected via software. ML tasks can be processed up to 10,000 times faster than with a classic processor.

Intel Core i9-11900K Characteristic Intel Core i7-12700K
-- AI hardware --
-- AI specifications --

Internal Graphics

Graphics (iGPU) integrated into the processor not only enable image output without having to rely on a dedicated graphics solution, but can also efficiently accelerate video playback.

Intel UHD Graphics 750 GPU Intel UHD Graphics 770
0.35 GHz GPU frequency 0.30 GHz
1.30 GHz GPU (Turbo) 1.50 GHz
12 GPU Generation 11
14 nm Technology 10 nm
3 Max. displays 3
32 Compute units 32
256 Shader 256
No Hardware Raytracing No
No Frame Generation No
64 GB Max. GPU Memory 64 GB
12 DirectX Version 12

Hardware codec support

A photo or video codec that is accelerated in hardware can greatly accelerate the working speed of a processor and extend the battery life of notebooks or smartphones when playing videos.

Intel UHD Graphics 750 GPU Intel UHD Graphics 770
Decode / Encode Codec h265 / HEVC (8 bit) Decode / Encode
Decode / Encode Codec h265 / HEVC (10 bit) Decode / Encode
Decode / Encode Codec h264 Decode / Encode
Decode / Encode Codec VP9 Decode / Encode
Decode Codec VP8 Decode / Encode
Decode Codec AV1 Decode
Decode / Encode Codec AVC Decode / Encode
Decode Codec VC-1 Decode
Decode / Encode Codec JPEG Decode / Encode

Memory & PCIe

Up to 128 GB of memory in a maximum of 2 memory channels is supported by the Intel Core i9-11900K, while the Intel Core i7-12700K supports a maximum of 128 GB of memory with a maximum memory bandwidth of 76.8 GB/s enabled.

Intel Core i9-11900K Characteristic Intel Core i7-12700K
DDR4-3200 Memory DDR5-4800, DDR4-3200
128 GB Max. Memory 128 GB
2 (Dual Channel) Memory channels 2 (Dual Channel)
51.2 GB/s Max. Bandwidth 76.8 GB/s
No ECC Yes
4.00 MB L2 Cache 12.00 MB
16.00 MB L3 Cache 25.00 MB
4.0 PCIe version 5.0
20 PCIe lanes 20
39.4 GB/s PCIe Bandwidth 78.8 GB/s

Thermal Management

The Intel Core i9-11900K has a TDP of 125 W. The TDP of the Intel Core i7-12700K is 125 W. System integrators use the TDP of the processor as a guide when dimensioning the cooling solution.

Intel Core i9-11900K Characteristic Intel Core i7-12700K
125 W TDP (PL1 / PBP) 125 W
251 W @ 56 s TDP (PL2) 190 W
-- TDP up --
95 W TDP down --
100 °C Tjunction max. 100 °C

Technical details

The Intel Core i9-11900K has 20.00 MB cache and is manufactured in 14 nm. The cache of Intel Core i7-12700K is at 37.00 MB. The processor is manufactured in 10 nm.

Intel Core i9-11900K Characteristic Intel Core i7-12700K
14 nm Technology 10 nm
Monolithic Chip design Monolithic
x86-64 (64 bit) Instruction set (ISA) x86-64 (64 bit)
SSE4.1, SSE4.2, AVX2, AVX-512 ISA extensions SSE4.1, SSE4.2, AVX2, AVX2+
LGA 1200 Socket LGA 1700
VT-x, VT-x EPT, VT-d Virtualization VT-x, VT-x EPT, VT-d
Yes AES-NI Yes
Windows 10, Windows 11, Linux Operating systems Windows 10, Windows 11, Linux
Q1/2021 Release date Q4/2021
539 $ Release price 409 $
show more data show more data


Rate these processors

Here you can rate the Intel Core i9-11900K to help other visitors make their purchasing decisions. The average rating is 4.0 stars (2 ratings). Rate now:
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Average performance in benchmarks

⌀ Single core performance in 6 CPU benchmarks
⌀ Multi core performance in 8 CPU benchmarks

Cinebench R23 (Single-Core)

Cinebench R23 is the successor of Cinebench R20 and is also based on the Cinema 4 Suite. Cinema 4 is a worldwide used software to create 3D forms. The single-core test only uses one CPU core, the amount of cores or hyperthreading ability doesn't count.
Intel Core i9-11900K Intel Core i9-11900K
8C 16T @ 5.30 GHz
1686 (87%)
Intel Core i7-12700K Intel Core i7-12700K
12C 20T @ 5.00 GHz
1939 (100%)

Cinebench R23 (Multi-Core)

Cinebench R23 is the successor of Cinebench R20 and is also based on the Cinema 4 Suite. Cinema 4 is a worldwide used software to create 3D forms. The multi-core test involves all CPU cores and taks a big advantage of hyperthreading.
Intel Core i9-11900K Intel Core i9-11900K
8C 16T @ 4.80 GHz
16211 (71%)
Intel Core i7-12700K Intel Core i7-12700K
12C 20T @ 4.70 GHz
22812 (100%)

Geekbench 5, 64bit (Single-Core)

Geekbench 5 is a cross plattform benchmark that heavily uses the systems memory. A fast memory will push the result a lot. The single-core test only uses one CPU core, the amount of cores or hyperthreading ability doesn't count.
Intel Core i9-11900K Intel Core i9-11900K
8C 16T @ 5.30 GHz
1878 (100%)
Intel Core i7-12700K Intel Core i7-12700K
12C 20T @ 5.00 GHz
1872 (100%)

Geekbench 5, 64bit (Multi-Core)

Geekbench 5 is a cross plattform benchmark that heavily uses the systems memory. A fast memory will push the result a lot. The multi-core test involves all CPU cores and taks a big advantage of hyperthreading.
Intel Core i9-11900K Intel Core i9-11900K
8C 16T @ 4.80 GHz
11645 (78%)
Intel Core i7-12700K Intel Core i7-12700K
12C 20T @ 4.70 GHz
14992 (100%)

Geekbench 6 (Single-Core)

Geekbench 6 is a benchmark for modern computers, notebooks and smartphones. What is new is an optimized utilization of newer CPU architectures, e.g. based on the big.LITTLE concept and combining CPU cores of different sizes. The single-core benchmark only evaluates the performance of the fastest CPU core, the number of CPU cores in a processor is irrelevant here.
Intel Core i9-11900K Intel Core i9-11900K
8C 16T @ 5.30 GHz
2491 (99%)
Intel Core i7-12700K Intel Core i7-12700K
12C 20T @ 5.00 GHz
2528 (100%)

Geekbench 6 (Multi-Core)

Geekbench 6 is a benchmark for modern computers, notebooks and smartphones. What is new is an optimized utilization of newer CPU architectures, e.g. based on the big.LITTLE concept and combining CPU cores of different sizes. The multi-core benchmark evaluates the performance of all of the processor's CPU cores. Virtual thread improvements such as AMD SMT or Intel's Hyper-Threading have a positive impact on the benchmark result.
Intel Core i9-11900K Intel Core i9-11900K
8C 16T @ 4.80 GHz
12679 (90%)
Intel Core i7-12700K Intel Core i7-12700K
12C 20T @ 4.70 GHz
14129 (100%)

Cinebench R20 (Single-Core)

Cinebench R20 is the successor of Cinebench R15 and is also based on the Cinema 4 Suite. Cinema 4 is a worldwide used software to create 3D forms. The single-core test only uses one CPU core, the amount of cores or hyperthreading ability doesn't count.
Intel Core i9-11900K Intel Core i9-11900K
8C 16T @ 5.30 GHz
650 (86%)
Intel Core i7-12700K Intel Core i7-12700K
12C 20T @ 5.00 GHz
757 (100%)

Cinebench R20 (Multi-Core)

Cinebench R20 is the successor of Cinebench R15 and is also based on the Cinema 4 Suite. Cinema 4 is a worldwide used software to create 3D forms. The multi-core test involves all CPU cores and taks a big advantage of hyperthreading.
Intel Core i9-11900K Intel Core i9-11900K
8C 16T @ 4.80 GHz
6187 (71%)
Intel Core i7-12700K Intel Core i7-12700K
12C 20T @ 4.70 GHz
8750 (100%)

iGPU - FP32 Performance (Single-precision GFLOPS)

The theoretical computing performance of the internal graphics unit of the processor with simple accuracy (32 bit) in GFLOPS. GFLOPS indicates how many billion floating point operations the iGPU can perform per second.
Intel Core i9-11900K Intel Core i9-11900K
Intel UHD Graphics 750 @ 1.30 GHz
666 (87%)
Intel Core i7-12700K Intel Core i7-12700K
Intel UHD Graphics 770 @ 1.50 GHz
768 (100%)

Blender 3.1 Benchmark

In the Blender Benchmark 3.1, the scenes "monster", "junkshop" and "classroom" are rendered and the time required by the system is measured. In our benchmark we test the CPU and not the graphics card. Blender 3.1 was presented as a standalone version in March 2022.
Intel Core i9-11900K Intel Core i9-11900K
8C 16T @ 4.80 GHz
243 (76%)
Intel Core i7-12700K Intel Core i7-12700K
12C 20T @ 4.70 GHz
319 (100%)

Estimated results for PassMark CPU Mark

Some of the CPUs listed below have been benchmarked by CPU-monkey. However the majority of CPUs have not been tested and the results have been estimated by a CPU-monkey’s secret proprietary formula. As such they do not accurately reflect the actual Passmark CPU mark values and are not endorsed by PassMark Software Pty Ltd.
Intel Core i9-11900K Intel Core i9-11900K
8C 16T @ 4.80 GHz
25385 (73%)
Intel Core i7-12700K Intel Core i7-12700K
12C 20T @ 4.70 GHz
34688 (100%)

CPU-Z Benchmark 17 (Single-Core)

The CPU-Z benchmark measures a processor's performance by measuring the time it takes the system to complete all benchmark calculations. The faster the benchmark is completed, the higher the score.
Intel Core i9-11900K Intel Core i9-11900K
8C 16T @ 4.80 GHz
676 (86%)
Intel Core i7-12700K Intel Core i7-12700K
12C 20T @ 4.70 GHz
790 (100%)

CPU-Z Benchmark 17 (Multi-Core)

The CPU-Z benchmark measures a processor's performance by measuring the time it takes the system to complete all benchmark calculations. The faster the benchmark is completed, the higher the score.
Intel Core i9-11900K Intel Core i9-11900K
8C 16T @ 3.50 GHz
6539 (84%)
Intel Core i7-12700K Intel Core i7-12700K
12C 20T @ 3.60 GHz
7761 (100%)

Cinebench R15 (Single-Core)

Cinebench R15 is the successor of Cinebench 11.5 and is also based on the Cinema 4 Suite. Cinema 4 is a worldwide used software to create 3D forms. The single-core test only uses one CPU core, the amount of cores or hyperthreading ability doesn't count.
Intel Core i9-11900K Intel Core i9-11900K
8C 16T @ 5.30 GHz
262 (92%)
Intel Core i7-12700K Intel Core i7-12700K
12C 20T @ 5.00 GHz
286 (100%)

Cinebench R15 (Multi-Core)

Cinebench R15 is the successor of Cinebench 11.5 and is also based on the Cinema 4 Suite. Cinema 4 is a worldwide used software to create 3D forms. The multi-core test involves all CPU cores and taks a big advantage of hyperthreading.
Intel Core i9-11900K Intel Core i9-11900K
8C 16T @ 4.80 GHz
2515 (76%)
Intel Core i7-12700K Intel Core i7-12700K
12C 20T @ 4.70 GHz
3327 (100%)

Cinebench 2024 (Single-Core)

The Cinebench 2024 benchmark is based on the Redshift rendering engine, which is also used in Maxon's 3D program Cinema 4D. The benchmark runs are each 10 minutes long to test whether the processor is limited by its heat generation.
Intel Core i9-11900K Intel Core i9-11900K
8C 16T @ 5.30 GHz
0 (0%)
Intel Core i7-12700K Intel Core i7-12700K
12C 20T @ 5.00 GHz
114 (100%)

Cinebench 2024 (Multi-Core)

The Multi-Core test of the Cinebench 2024 benchmark uses all cpu cores to render using the Redshift rendering engine, which is also used in Maxons Cinema 4D. The benchmark run is 10 minutes long to test whether the processor is limited by its heat generation.
Intel Core i9-11900K Intel Core i9-11900K
8C 16T @ 5.30 GHz
0 (0%)
Intel Core i7-12700K Intel Core i7-12700K
12C 20T @ 5.00 GHz
1175 (100%)

Devices using this processor

Intel Core i9-11900K Intel Core i7-12700K
Unknown Unknown

News and articles for the Intel Core i9-11900K and the Intel Core i7-12700K


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