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Key specs
Cores
16
Threads
16
Boost Clock
5.1 GHz
TDP
15-25 W (configurable)
Socket
FCBGA2540
Process
2 nm
Benchmarks
Rating
75
Perf.
71
iGPU
99
Energy
82
Cinebench 2024 Single-Core
132
Cinebench 2024 Multi-Core
1343
TDP
15-25 W
Cache L3
18MB
Cinebench 2024 (Single)
132
Cinebench 2024 (Multi)
1343
Geekbench 6 (Single-Core)
3026
Geekbench 6 (Multi-Core)
17,545
Passmark CPU (Single-Core)
4297
Passmark CPU (Multi-Core)
36,720
Blender CPU
297.18
iGPU FLOPS
7.7 TFLOPS
Cinebench
Cinebench 2026 (Single)
539
Cinebench 2026 (Multi)
5375
GeekBench v6
File compression
1490 MB/sec
Clang compilation
141.1 Klines/sec
HTML 5 Browser
477.4 pages/sec
PDF Renderer
539.5 Mpixels/sec
Text processing
323.1 pages/sec
Background blur
61.5 images/sec
Photo processing
177.3 images/sec
Ray tracing
28.4 Mpixels/sec
PassMark
Integer math
91.2 GOps/sec
Floating point math
112.9 GOps/sec
Find prime numbers
357M Primes/sec
Random string sorting
43.7M Strings/sec
Data encryption
28.4 GBytes/sec
Data compression
360.2 MBytes/sec
Physics
3207 Frames/sec
Extended instructions
29.7B Matrices/sec
Performance Per Watt
Cinebench 2024 / Watt
53.7 PPW
Geekbench 6 Multi / Watt
701.8 PPW
Passmark CPU Mark / Watt
1468.8 PPW
Blender / Watt
11.89 PPW
General
Vendor
Intel
Released
January 5, 2026
Type
Laptop
Instruction Set
x86-64
Codename
Panther Lake
Model number
388H
Integrated GPU
Arc B390
AMD Equivalent
- AMD Ryzen AI Max 390
CPU
P-Cores
4
P-Threads
4
Base Frequency (P)
2.1 GHz
Turbo Boost Frequency (P)
5.1 GHz
E-Cores
12
E-Threads
12
Base Frequency (E)
1.6 GHz
Turbo Boost Frequency (E)
4 GHz
Total Cores
16
Total Threads
16
Bus Frequency
100 MHz
Multiplier
21x
L1 Cache
192K (per core)
L2 Cache
3MB (per core)
L3 Cache
18MB (shared)
Unlocked Multiplier
No
Package
Fabrication Process
2 nm
TDP (PL1)
15-25 W (configurable)
Max. Boost TDP (PL2)
80 W
Socket
FCBGA2540
Peak Temperature
100°C
iGPU
Integrated Graphics
Intel Arc B390
GPU Base Clock
300 MHz
GPU Boost Clock
2500 MHz
Shading Units
1536
TMUs
48
ROPs
24
Execution Units
12
TGP
30 W
Memory Support
Memory Types
- LPDDR5X-9600
Max. Memory Size
96 GB
Memory Channels
2
Max. Memory Bandwidth
153.6 GB/s
ECC Support
No
Misc
Official Site
Intel Core Ultra X9 388H official page
PCI Express Version
5.0
PCI Express Lanes
12