Intel Core i9-14900HX vs Intel Core i9-14900K

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CPU comparison with benchmarks


Intel Core i9-14900HX CPU1 vs CPU2 Intel Core i9-14900K
Intel Core i9-14900HX Intel Core i9-14900K

CPU comparison

In this CPU comparison, we compare the Intel Core i9-14900HX and the Intel Core i9-14900K and use benchmarks to check which processor is faster.

We compare the Intel Core i9-14900HX 24 core processor released in Q1/2024 with the Intel Core i9-14900K which has 24 CPU cores and was introduced in Q4/2023.
Intel Core i9 (78) Family Intel Core i9 (78)
Intel Core i 14000H (5) CPU group Intel Core i 14000 (24)
14 Generation 14
Raptor Lake H Refresh Architecture Raptor Lake S Refresh
Mobile Segment Desktop / Server
Intel Core i9-13900HX Predecessor Intel Core i9-13900K
-- Successor --

CPU Cores and Base Frequency

The Intel Core i9-14900HX is a 24 core processor with a clock frequency of 2.20 GHz (5.80 GHz). The processor can compute 32 threads at the same time. The Intel Core i9-14900K clocks with 3.20 GHz (6.00 GHz), has 24 CPU cores and can calculate 32 threads in parallel.

Intel Core i9-14900HX Characteristic Intel Core i9-14900K
24 Cores 24
32 Threads 32
hybrid (big.LITTLE) Core architecture hybrid (big.LITTLE)
Yes Hyperthreading Yes
No Overclocking ? Yes
2.20 GHz (5.80 GHz)
8x Raptor Cove
A-Core 3.20 GHz (6.00 GHz)
8x Raptor Cove
1.60 GHz (4.10 GHz)
16x Gracemont
B-Core 2.40 GHz (4.40 GHz)
16x Gracemont

NPU AI performance

The performance values of the processor's AI unit. The isolated NPU performance is specified here, the total AI performance (NPU+CPU+iGPU) can be higher. Processors with support for artificial intelligence (AI) and machine learning (ML) can process many calculations, especially audio, image and video processing, much faster than classic processors.

Intel Core i9-14900HX Characteristic Intel Core i9-14900K
Intel® AI Boost AI hardware --
Intel Deep Learning Boost (Intel DL Boost) AI specifications --
-- NPU + CPU + iGPU --

Integrated graphics (iGPU)

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 13th Gen (32 EU) GPU Intel UHD Graphics 770
0.40 GHz GPU frequency 0.30 GHz
1.65 GHz GPU (Turbo) 1.65 GHz
13 GPU Generation 11
10 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
12.1 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 13th Gen (32 EU) 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 / Encode 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 192 GB of memory in a maximum of 2 memory channels is supported by the Intel Core i9-14900HX, while the Intel Core i9-14900K supports a maximum of 192 GB of memory with a maximum memory bandwidth of 89.6 GB/s enabled.

Intel Core i9-14900HX Characteristic Intel Core i9-14900K
DDR5-5600, DDR4-3200 Memory DDR5-5600, DDR4-3200
192 GB Max. Memory 192 GB
2 (Dual Channel) Memory channels 2 (Dual Channel)
89.6 GB/s Max. Bandwidth 89.6 GB/s
No ECC Yes
32.00 MB L2 Cache 32.00 MB
36.00 MB L3 Cache 36.00 MB
5.0 PCIe version 5.0
20 PCIe lanes 20
78.8 GB/s PCIe Bandwidth 78.8 GB/s

Thermal Management

The Intel Core i9-14900HX has a TDP of 55 W. The TDP of the Intel Core i9-14900K is 125 W. System integrators use the TDP of the processor as a guide when dimensioning the cooling solution.

Intel Core i9-14900HX Characteristic Intel Core i9-14900K
55 W TDP (PL1 / PBP) 125 W
157 W TDP (PL2) 253 W
-- TDP up --
45 W TDP down --
100 °C Tjunction max. 100 °C

Technical details

The Intel Core i9-14900HX has 68.00 MB cache and is manufactured in 10 nm. The cache of Intel Core i9-14900K is at 68.00 MB. The processor is manufactured in 10 nm.

Intel Core i9-14900HX Characteristic Intel Core i9-14900K
10 nm Technology 10 nm
Monolithic Chip design Monolithic
x86-64 (64 bit) Instruction set (ISA) x86-64 (64 bit)
SSE4.1, SSE4.2, AVX2, AVX2+ ISA extensions SSE4.1, SSE4.2, AVX2, AVX2+
BGA 1964 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
Q1/2024 Release date Q4/2023
-- Release price --
show more data show more data


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Here you can rate the Intel Core i9-14900K to help other visitors make their purchasing decisions. The average rating is 4.1 stars (185 ratings). Rate now:


Average performance in benchmarks

⌀ Single core performance in 2 CPU benchmarks
Intel Core i9-14900HX (90%)
Intel Core i9-14900K (100%)
⌀ Multi core performance in 3 CPU benchmarks
Intel Core i9-14900HX (79%)
Intel Core i9-14900K (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 i9-14900HX Intel Core i9-14900HX
24C 32T @ 5.80 GHz
2161 (90%)
Intel Core i9-14900K Intel Core i9-14900K
24C 32T @ 6.00 GHz
2412 (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 i9-14900HX Intel Core i9-14900HX
24C 32T @ 2.20 GHz
21560 (80%)
Intel Core i9-14900K Intel Core i9-14900K
24C 32T @ 5.70 GHz
26972 (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 i9-14900HX Intel Core i9-14900HX
24C 32T @ 5.80 GHz
2922 (89%)
Intel Core i9-14900K Intel Core i9-14900K
24C 32T @ 6.00 GHz
3289 (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 i9-14900HX Intel Core i9-14900HX
24C 32T @ 2.20 GHz
18313 (79%)
Intel Core i9-14900K Intel Core i9-14900K
24C 32T @ 5.70 GHz
23051 (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 i9-14900HX Intel Core i9-14900HX
Intel UHD Graphics 13th Gen (32 EU) @ 1.65 GHz
845 (100%)
Intel Core i9-14900K Intel Core i9-14900K
Intel UHD Graphics 770 @ 1.65 GHz
846 (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 i9-14900HX Intel Core i9-14900HX
24C 32T @ 2.20 GHz
45971 (77%)
Intel Core i9-14900K Intel Core i9-14900K
24C 32T @ 5.70 GHz
59388 (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 i9-14900HX Intel Core i9-14900HX
24C 32T @ 5.80 GHz
0 (0%)
Intel Core i9-14900K Intel Core i9-14900K
24C 32T @ 6.00 GHz
139 (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 i9-14900HX Intel Core i9-14900HX
24C 32T @ 5.80 GHz
0 (0%)
Intel Core i9-14900K Intel Core i9-14900K
24C 32T @ 6.00 GHz
2177 (100%)

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 i9-14900HX Intel Core i9-14900HX
24C 32T @ 5.80 GHz
0 (0%)
Intel Core i9-14900K Intel Core i9-14900K
24C 32T @ 6.00 GHz
2358 (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 i9-14900HX Intel Core i9-14900HX
24C 32T @ 2.20 GHz
0 (0%)
Intel Core i9-14900K Intel Core i9-14900K
24C 32T @ 5.70 GHz
38712 (100%)

CPU performance per watt (efficiency)

Efficiency of the processor under full load in the Cinebench R23 (multi-core) benchmark. The benchmark result is divided by the average energy required (CPU package power in watts). The higher the value, the more efficient the CPU is under full load.
Intel Core i9-14900HX Intel Core i9-14900HX
2.20 GHz
0 (0%)
Intel Core i9-14900K Intel Core i9-14900K
38,712 CB R23 MC @ 256 W
151 (100%)

Devices using this processor

Intel Core i9-14900HX Intel Core i9-14900K
Unknown Unknown

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