Intel Core i9 12900KF vs Intel Core i9 14900HX

Budget Pick Limited
Intel Core i9 12900KF Buy Now ↗
VS
Recommended Available
Intel Core i9 14900HX Buy Now ↗
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Review

Intel Core i9 12900KF
Intel Core i9 14900HX
Single-Core Performance
76
83
Multi-Core Performance
62
69
Power Efficiency
49
61
QucikComparison Final Score
69
72
Integrated Graphics
0
31
❖

Key differences

Key distinctions and advantages between Intel Core i9 12900KF and Intel Core i9 14900HX

Reasons to consider the Intel Core i9 12900KF

  • + 8 P-cores + 8 E-cores hybrid design
  • + DDR5 memory support
  • + LGA-1700 socket
  • + Alder Lake architecture

Reasons to consider the Intel Core i9 14900HX

  • + 8 P-cores + 16 E-cores hybrid design
  • + DDR5 memory support
  • + BGA-1964 socket
  • + Raptor Lake Refresh architecture

Pros & Cons

Intel Core i9 12900KF
  • Solid single-core performance
  • High core count (16 cores)
  • Modern DDR5 memory support
  • High power draw (125W TDP)
  • No integrated graphics — discrete GPU required
  • Older generation architecture

"A mid-to-upper-range Intel Core i9 12900KF processor with strong single-core performance (76/100). Suited for everyday productivity."

Intel Core i9 14900HX
  • Excellent single-core performance
  • Capable multi-core performance
  • High core count (24 cores)
  • Built-in integrated graphics
  • Modern DDR5 memory support
  • No significant drawbacks for its tier

"A mid-to-upper-range Intel Core i9 14900HX processor with strong single-core performance (83/100). Suited for demanding workloads."

Value for Money Beta

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PKRs
PKRs
Intel Core i9 12900KF
VS
Intel Core i9 14900HX
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VALUE INDEX
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Benchmarks

Blender
Blender CPU
Intel Core i9 12900KF +3%
365.61
Intel Core i9 14900HX
354.31
Cinebench
Cinebench 2024 (Single)
Intel Core i9 12900KF
115
Intel Core i9 14900HX +13%
130
Intel Core i9 12900KF Intel Core i9 14900HX
Cinebench 2024 (Multi) 1463 1780

Specifications

GeekBench v6
Specification Intel Core i9 12900KF ↗ Intel Core i9 14900HX ↗
Geekbench 6 (Single-Core) 2686 3029
Geekbench 6 (Multi-Core) 16140 18430
File compression 1150 MB/sec 1420 MB/sec
Clang compilation 141 Klines/sec 173.5 Klines/sec
HTML 5 Browser 363.2 pages/sec 463.6 pages/sec
PDF Renderer 475.6 Mpixels/sec 508.4 Mpixels/sec
Text processing 274.8 pages/sec 287.7 pages/sec
Background blur 66.8 images/sec 54.6 images/sec
Photo processing 138.5 images/sec 154.7 images/sec
Ray tracing 33.9 Mpixels/sec 39.9 Mpixels/sec
PassMark
Specification Intel Core i9 12900KF ↗ Intel Core i9 14900HX ↗
Passmark CPU (Single-Core) 4132 4199
Passmark CPU (Multi-Core) 40732 44281
Integer math 138.8 GOps/sec 159 GOps/sec
Floating point math 105.3 GOps/sec 113.5 GOps/sec
Find prime numbers 140M Primes/sec 195M Primes/sec
Random string sorting 56.9M Strings/sec 61.6M Strings/sec
Data encryption 29.4 GBytes/sec 33 GBytes/sec
Data compression 535.2 MBytes/sec 546.3 MBytes/sec
Physics 2077 Frames/sec 2673 Frames/sec
Extended instructions 33.6B Matrices/sec 31.7B Matrices/sec
Performance Per Watt
Specification Intel Core i9 12900KF ↗ Intel Core i9 14900HX ↗
Cinebench 2024 / Watt 11.7 PPW 32.4 PPW
Geekbench 6 Multi / Watt 129.1 PPW 335.1 PPW
Passmark CPU Mark / Watt 325.9 PPW 805.1 PPW
Blender / Watt 2.92 PPW 6.44 PPW
General
Specification Intel Core i9 12900KF ↗ Intel Core i9 14900HX ↗
Vendor Intel Intel
Released 27-Oct-21 9-Jan-24
Type Desktop Laptop
Instruction Set x86-64 x86-64
Codename Alder Lake Raptor Lake Refresh
Model number i9-12900KF i9-14900HX
Integrated GPU No UHD Graphics (32EU)
Qualcomm Equivalent
CPU
Specification Intel Core i9 12900KF ↗ Intel Core i9 14900HX ↗
P-Cores 8 8
P-Threads 16 16
Base Frequency (P) 3.2 GHz 2.2 GHz
E-Cores 8 16
E-Threads 8 16
Base Frequency (E) 2.4 GHz 1.6 GHz
Total Cores 16 24
Total Threads 24 32
Multiplier 32x 22x
L1 Cache 64K (per core) 80K (per core)
L2 Cache 14MB (shared) 2MB (per core)
Unlocked Multiplier Yes Yes
Package
Specification Intel Core i9 12900KF ↗ Intel Core i9 14900HX ↗
Transistors
Fabrication Process 10 nm 10 nm
TDP (PL1) 125 W 45-55 W (configurable)
Socket LGA-1700 BGA-1964
Peak Temperature 100°C 100°C
iGPU
Specification Intel Core i9 12900KF ↗ Intel Core i9 14900HX ↗
Integrated Graphics Intel UHD Graphics (32EU)
GPU Boost Clock 1650 MHz
Shading Units 256
TMUs 16
ROPs 8
Execution Units 32
iGPU FLOPS 0.8 TFLOPS
Memory Support
Specification Intel Core i9 12900KF ↗ Intel Core i9 14900HX ↗
Memory Types -8000 -8800
Max. Memory Size 128 GB 192 GB
Memory Channels 2 2
Max. Memory Bandwidth 76.8 GB/s 89.6 GB/s
ECC Support Yes Yes

Comparison with Competitors

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