Intel Core Ultra 5 338H
67B
Cores12
Threads12
Boost Clock4.7 GHz
TDP15-25 W (configurable)
SocketFCBGA2540
Process2 nm
Benchmarks
Perf.61
iGPU99
Energy82
Cinebench 2024 Single-Core122
Cinebench 2024 Multi-Core968
TDP15-25 W
Cache L318MB
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 CPU205.46
iGPU FLOPS6.1 TFLOPS
Full specifications
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
Specifications compiled from NanoReview. Last updated 2026-09-29.
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