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IntelSeries 3Panther Lake

Intel Core Ultra 5 338H

Cores
12
Threads
12
Turbo
4.7GHz
L3 cache
18MB
TDP
25W
iGPU
Intel Arc B370

Performance in 2026

Coming soon

Processor specifications

General

Manufacturer
Intel
Series
Series 3
Codename
Panther Lake
CPU name
Core Ultra 5 338H
CPU architecture
Cougar Cove, Darkmont
Foundry
Intel
Process node
Intel 18A (1.8 nm)
Socket
BGA2540
Instruction set
x86-64
Release date
January 5, 2026

Cores and clocks

12 cores, 12 threads

4× P-cores

Turbo clock
4.7 GHz
Base clock
1.9 GHz

4× E-cores

Turbo clock
3.4 GHz
Base clock
1.5 GHz

4× LPE-cores

Turbo clock
3.3 GHz
Base clock
1.5 GHz

L3 cache

18 MB

L2 cache
20 MB
L1 cache
1792 KB

TDP

25 W

Maximum Turbo Power
65 W
Minimum Assured Power
15 W
Max temperature
100 °C

Connectivity

Memory support
LPDDR5x-8533
Memory channels
2
PCIe version
5.0, 4.0
PCIe lanes
4, 8

Graphics

Intel Arc B370

iGPU architecture
Xe3
Execution units
10
Clock
2400 MHz
DirectX
12

AI

Total TOPS
145
NPU TOPS
47
iGPU TOPS
98

Technologies and extensions

MMX, SSE, SSE2, SSE3, SSSE3, SSE4.1, SSE4.2, AVX, AVX2, BMI2, ABM, FMA, ADX, VMX, SMEP, SMAP, EIST, TM1, TM2, Turbo, SST, AES-NI, RDRAND, RDSEED, SHA

Other Series 3 processors