Intel Core Ultra X9 388H vs Intel Core i9 14900K

Best Value Available
Intel Core Ultra X9 388H Buy Now ↗
VS
Best in Class Available
Intel Core i9 14900K Buy Now ↗
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Review

Intel Core Ultra X9 388H
Intel Core i9 14900K
Single-Core Performance
84
87
Multi-Core Performance
58
87
Power Efficiency
84
58
Integrated Graphics
99
31
QucikComparison Final Score
75
86
❖

Key differences

Key distinctions and advantages between Intel Core Ultra X9 388H and Intel Core i9 14900K

Reasons to consider the Intel Core Ultra X9 388H

  • + 4 P-cores + 12 E-cores hybrid design
  • + DDR5 memory support
  • + FCBGA2540 socket
  • + Panther Lake architecture

Reasons to consider the Intel Core i9 14900K

  • + 8 P-cores + 16 E-cores hybrid design
  • + DDR5 memory support
  • + LGA-1700 socket
  • + Raptor Lake Refresh architecture

Pros & Cons

Intel Core Ultra X9 388H
  • Excellent single-core performance
  • Great power efficiency
  • High core count (16 cores)
  • Capable integrated graphics
  • Modern DDR5 memory support
  • No significant drawbacks for its tier

"A mid-to-upper-range Intel Core Ultra X9 388H processor with strong single-core performance (84/100), excellent power efficiency. Suited for demanding workloads."

Intel Core i9 14900K
  • Excellent single-core performance
  • Strong multi-threaded throughput
  • High core count (24 cores)
  • Built-in integrated graphics
  • Modern DDR5 memory support
  • High power draw (125W TDP)

"A high-end Intel Core i9 14900K processor with balanced performance (single-core 87/100, multi-core 87/100). Suited for demanding workloads."

Value for Money Beta

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PKRs
PKRs
Intel Core Ultra X9 388H
VS
Intel Core i9 14900K
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VALUE INDEX
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Benchmarks

Blender
Blender CPU
Intel Core Ultra X9 388H
297.18
Intel Core i9 14900K +72%
512.57
Cinebench
Cinebench 2024 (Single)
Intel Core Ultra X9 388H +1%
130
Intel Core i9 14900K
129
Intel Core Ultra X9 388H Intel Core i9 14900K
Cinebench 2024 (Multi) 1324 2086

Specifications

GeekBench v6
Specification Intel Core Ultra X9 388H ↗ Intel Core i9 14900K ↗
Geekbench 6 (Single-Core) 3026 3171
Geekbench 6 (Multi-Core) 17545 22629
File compression 1490 MB/sec 1940 MB/sec
Clang compilation 141.1 Klines/sec 194.6 Klines/sec
HTML 5 Browser 477.4 pages/sec 589.2 pages/sec
PDF Renderer 539.5 Mpixels/sec 638.4 Mpixels/sec
Text processing 323.1 pages/sec 318.7 pages/sec
Background blur 61.5 images/sec 71.7 images/sec
Photo processing 177.3 images/sec 191.6 images/sec
Ray tracing 28.4 Mpixels/sec 41.7 Mpixels/sec
PassMark
Specification Intel Core Ultra X9 388H ↗ Intel Core i9 14900K ↗
Passmark CPU (Single-Core) 4367 4693
Passmark CPU (Multi-Core) 36317 58398
Integer math 90.6 GOps/sec 209.7 GOps/sec
Floating point math 112.3 GOps/sec 152.4 GOps/sec
Find prime numbers 381M Primes/sec 230M Primes/sec
Random string sorting 48.7M Strings/sec 86.8M Strings/sec
Data encryption 30 GBytes/sec 46.6 GBytes/sec
Data compression 392.3 MBytes/sec 787.8 MBytes/sec
Physics 3460 Frames/sec 3116 Frames/sec
Extended instructions 32.9B Matrices/sec 44.9B Matrices/sec
Performance Per Watt
Specification Intel Core Ultra X9 388H ↗ Intel Core i9 14900K ↗
Cinebench 2024 / Watt 53 PPW 16.7 PPW
Geekbench 6 Multi / Watt 701.8 PPW 181 PPW
Passmark CPU Mark / Watt 1452.7 PPW 467.2 PPW
Blender / Watt 11.89 PPW 4.1 PPW
General
Specification Intel Core Ultra X9 388H ↗ Intel Core i9 14900K ↗
Vendor Intel Intel
Released 5-Jan-26 16-Oct-23
Type Laptop Desktop
Instruction Set x86-64 x86-64
Codename Panther Lake Raptor Lake Refresh
Model number 388H i9-14900K
Integrated GPU Arc B390 UHD Graphics 770
Qualcomm Equivalent
CPU
Specification Intel Core Ultra X9 388H ↗ Intel Core i9 14900K ↗
P-Cores 4 8
P-Threads 4 16
Base Frequency (P) 2.1 GHz 3.2 GHz
E-Cores 12 16
E-Threads 12 16
Base Frequency (E) 1.6 GHz 2.4 GHz
Total Cores 16 24
Total Threads 16 32
Multiplier 21x 32x
L1 Cache 192K (per core) 80K (per core)
L2 Cache 2560K (per core) 2MB (per core)
Unlocked Multiplier No Yes
Package
Specification Intel Core Ultra X9 388H ↗ Intel Core i9 14900K ↗
Transistors
Fabrication Process 2 nm 10 nm
TDP (PL1) 15-25 W (configurable) 125 W
Socket FCBGA2540 LGA-1700
Peak Temperature 100°C 100°C
iGPU
Specification Intel Core Ultra X9 388H ↗ Intel Core i9 14900K ↗
Integrated Graphics Intel Arc B390 Intel UHD Graphics 770
GPU Boost Clock 2500 MHz 1650 MHz
Shading Units 1536 256
TMUs 48 16
ROPs 24 8
Execution Units 12 32
iGPU FLOPS 7.7 TFLOPS 0.8 TFLOPS
Memory Support
Specification Intel Core Ultra X9 388H ↗ Intel Core i9 14900K ↗
Memory Types #NAME? -8800
Max. Memory Size 96 GB 192 GB
Memory Channels 2 2
Max. Memory Bandwidth 153.6 GB/s 89.6 GB/s
ECC Support No Yes

Comparison with Competitors

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