CPUs

Intel Core Ultra X9 388H Full Specs

16 Cores(4P+8M+4E)
16 Threads(4P+8M+4E)
2.1GHz
TDP
25W
Bandwidth
153.6GB/s
LPDDR5X
iGPU
··
245.8 TOPSINT4 Tensor
Socket

16 Cores
4P
8M
4E
16 Threads
4P
8M
4E

Base Clock
2.1GHz
Boost Clock
5.1GHz
Overclocking
Locked

L0i
64KB
L0d
48KB
L1i
64KB M
64KB E
L1d
192KB P
32KB M
32KB E
L2
3MB P
8MB M shared
4MB E shared
L3
18MB

Type
LPDDR5X
Max Memory
96GB
ECC
No
Channels
2
Bus Width
128-bit
Speed
9600MT/s
Bandwidth
153.6GB/s
Bandwidth Calculator
Channels
Transfer Rate
··
153.6GB/s

TDP
25W
cTDP-down
15W
Peak Power
80W
Max Operating Temp
100°C Max

PCIe
PCIe 5.0 x4
15.8GB/sBandwidth
PCIe Secondary
PCIe 4.0 x8
15.8GB/sBandwidth

iGPU
Shaders
1536
Boost Clock
2.5GHz
··
245.8 TOPSINT4 Tensor

NPU Model
NPU 5
NPU Cores
3
Performance
50 TOPSINT8

Manufacturer
ISA
x86-64
Architecture
Family
Branding
Core Ultra X9 2026 branding
Codename
Panther Lake-X
Panther Lake-X-4P-12EVariant
Cougar CoveP-Core
DarkmontM-Core
DarkmontE-Core
Market Segment
Laptop
Release Date
Jan 5, 2026

Foundry
Intel
Other Foundries
TSMCiGPU
TSMCPCH
Fabrication Node
Intel 18A
N3EiGPU
N6PCH
Die Size
114mm²
54mm²iGPU
49mm²PCH
Transistor Count
4 MillionPCH