Intel Core Ultra 7 355

Cores: 8
L3 cache: 12MB (shared)
TDP: 15-25 W (max. boost up to 55 W)
Transistor size: 2 nm

Core Ultra 7 355 - laptop processor produced by Intel for socket FCBGA2540 that has 8 cores and 8 threads. The base clock frequency of the CPU is 2300 MHz, but due to Turbo Boost technology, it can perform up to 4700 MHz. The size of the L3 cache is 12 MB. Please note that this chip has integrated graphics Intel Xe3 Graphics.

Review

Single-Core Performance

75

Multi-Core Performance

34

Power Efficiency

82

Integrated Graphics

64

NanoReview Final Score

60

Compare Intel Core Ultra 7 355 with other CPUs

Cinebench

Reputable cross-platform benchmark for high-performance processors

Cinebench 2024 (Single)

119

Cinebench 2024 (Multi)

759

Submit your benchmark results

GeekBench v6

The new version of this benchmark emulates common operations often used in real-world apps

Geekbench 6 (Single-Core)

2709

Geekbench 6 (Multi-Core)

11418

File compression	1050 MB/sec
Clang compilation	74.6 Klines/sec
HTML 5 Browser	264 pages/sec
PDF Renderer	293.7 Mpixels/sec
Text processing	293.2 pages/sec
Background blur	50.3 images/sec
Photo processing	122.1 images/sec
Ray tracing	15.4 Mpixels/sec

Sources: GeekBench [1]

PassMark

Synthetic test that focuses on raw computational performance for low-level functions

Passmark CPU (Single-Core)

3951

Passmark CPU (Multi-Core)

20261

Integer math	43.9 GOps/sec
Floating point math	60.1 GOps/sec
Find prime numbers	187M Primes/sec
Random string sorting	23.5M Strings/sec
Data encryption	14.8 GBytes/sec
Data compression	186.1 MBytes/sec
Physics	1901 Frames/sec
Extended instructions	17.2B Matrices/sec

Sources: PassMark [3] – 143 samples

Blender

3D rendering test that measures CPU performance in 3D modeling tasks (uses all cores)

Blender CPU

151.38

Performance Per Watt

Shows the score you get per each watt of PL1 TDP

Cinebench 2024 / Watt	30.4 PPW
Geekbench 6 Multi / Watt	456.7 PPW
Passmark CPU Mark / Watt	810.4 PPW
Blender / Watt	6.06 PPW

These are rough calculations, as most CPUs surpass PL1 TDP wattage even in multicore workloads.

General

Vendor	Intel
Released	January 5, 2026
Type	Laptop
Instruction Set	x86-64
Codename	Panther Lake
Model number	355
Integrated GPU	Xe3 Graphics

Intel CPU rating - 78th place

CPU

Performance Cores
P-Cores	4
P-Threads	4
Base Frequency (P)	2.3 GHz
Turbo Boost Frequency (P)	4.7 GHz

Efficient Cores
E-Cores	4
E-Threads	4
Base Frequency (E)	1.7 GHz
Turbo Boost Frequency (E)	3.5 GHz

Total
Total Cores	8
Total Threads	8
Bus Frequency	100 MHz
Multiplier	23x
L2 Cache	2MB (shared)
L3 Cache	12MB (shared)
Unlocked Multiplier	No

Package

Fabrication Process	2 nm
TDP (PL1)	15-25 W (configurable)
Max. Boost TDP (PL2)	55 W
Socket	FCBGA2540
Peak Temperature	100°C

Laptop processors ranking - 96th place

iGPU

Integrated Graphics	Intel Xe3 Graphics
GPU Base Clock	300 MHz
GPU Boost Clock	2500 MHz
Shading Units	512
TMUs	32
ROPs	16
Execution Units	4
TGP	25 W

iGPU FLOPS

2.6 TFLOPS

See also: Intel Xe3 Graphics (4-Core) – integrated graphics of Intel Core Ultra 7 355

Memory Support

Memory Types	- LPDDR5X-7467 - DDR5-6400
Max. Memory Size	128 GB
Memory Channels	2
Max. Memory Bandwidth	89.6 GB/s
ECC Support	No

Misc

Official Site	Intel Core Ultra 7 355 official page
PCI Express Version	5.0
PCI Express Lanes	12

Competitors

1. Intel Core Ultra 7 355 vs Apple M5 (10-Core) (1)

2. Intel Core Ultra 7 355 vs Intel Core Ultra 7 258V

3. Intel Core Ultra 7 355 vs Intel Core Ultra 7 255H

4. Intel Core Ultra 7 355 vs AMD Ryzen AI 7 350

5. Intel Core Ultra 7 355 vs Intel Core Ultra 7 365

Compare other CPUs (460+)