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Key specs
Cores
12
Threads
12
Boost Clock
4.7 GHz
TDP
15-25 W (configurable)
Socket
FCBGA2540
Process
2 nm
Benchmarks
Rating
67
Perf.
61
iGPU
99
Energy
82
Cinebench 2024 Single-Core
122
Cinebench 2024 Multi-Core
968
TDP
15-25 W
Cache L3
18MB
Cinebench 2024 (Single)
122
Cinebench 2024 (Multi)
968
Geekbench 6 (Single-Core)
2822
Geekbench 6 (Multi-Core)
14,033
Passmark CPU (Single-Core)
4086
Passmark CPU (Multi-Core)
28,331
Blender CPU
205.46
iGPU FLOPS
6.1 TFLOPS
Cinebench
Cinebench 2026 (Single)
501
Cinebench 2026 (Multi)
3840
GeekBench v6
File compression
1210 MB/sec
Clang compilation
98.2 Klines/sec
HTML 5 Browser
371.3 pages/sec
PDF Renderer
368 Mpixels/sec
Text processing
293 pages/sec
Background blur
59.2 images/sec
Photo processing
118.3 images/sec
Ray tracing
19.7 Mpixels/sec
PassMark
Integer math
63.8 GOps/sec
Floating point math
82.6 GOps/sec
Find prime numbers
301M Primes/sec
Random string sorting
33.8M Strings/sec
Data encryption
21.1 GBytes/sec
Data compression
274.2 MBytes/sec
Physics
2652 Frames/sec
Extended instructions
23.7B Matrices/sec
Performance Per Watt
Cinebench 2024 / Watt
38.7 PPW
Geekbench 6 Multi / Watt
561.3 PPW
Passmark CPU Mark / Watt
1133.2 PPW
Blender / Watt
8.22 PPW
General
Vendor
Intel
Released
January 5, 2026
Type
Laptop
Instruction Set
x86-64
Codename
Panther Lake
Model number
338H
Integrated GPU
Arc B370
CPU
P-Cores
4
P-Threads
4
Base Frequency (P)
1.9 GHz
Turbo Boost Frequency (P)
4.7 GHz
E-Cores
8
E-Threads
8
Base Frequency (E)
1.5 GHz
Turbo Boost Frequency (E)
3.4 GHz
Total Cores
12
Total Threads
12
Bus Frequency
100 MHz
Multiplier
19x
L1 Cache
192K (per core)
L2 Cache
2560K (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 B370
GPU Base Clock
300 MHz
GPU Boost Clock
2400 MHz
Shading Units
1280
TMUs
40
ROPs
20
Execution Units
10
TGP
25 W
Memory Support
Memory Types
- LPDDR5X-8533
Max. Memory Size
96 GB
Memory Channels
2
Max. Memory Bandwidth
136.5 GB/s
ECC Support
No
Misc
Official Site
Intel Core Ultra 5 338H official page
PCI Express Version
5.0
PCI Express Lanes
12