Intel Core Ultra 7 255H — Specifications and Blender benchmarks

Specifications Benchmarks Synonyms

Specifications

Technical data

CPU generation and family

Family
Intel Core Ultra Series 2
Name
Intel Core Ultra 7 255H
Segment
Mobile

CPU Cores and Base Frequency

CPU Cores
16
CPU Threads
16
E-core Base Clock
1.5 GHz
Efficient Cores
8
Low Power Efficient-cores
2
Max. Boost Clock
5.1 GHz
P-core Base Clock
2 GHz
Performance Cores
6

Internal Graphics

GPU name
TI/nst eUlp Ator cDD 1R450 6T4 G0P0U MT/s
GPU Turbo
2250 MHz

Memory & PCIe

Max. Memory
128 GB
Memory channels
2
Memory type
Up to LPDDR5/X 8400 MT/s

Thermal Management

Maximum Turbo Power
115 W
Minimum Assured Power
20 W
TDP (PL1 / PBP, legacy combined label)
28 W

Technical details

L3-Cache
24 MB
Official specification sheet
https://cdrdv2-public.intel.com/851467/Intel-Core-Ultra-Series1-Series2-Series3-Comparison.pdf
Release date
Q1/2025
Socket
FCBGA2049

Positions in all rankings

Common positions Intel Core Ultra 7 255H CPU in popular benchmarks, for comparison with other models.

No data

Benchmarks

Performance tests CPU

Published results: 4

Blender Cycles

Each row uses one Blender version, operating system and compute backend.

Test and settings	Intel Core Ultra 7 255H
Blender 4.2.0 / CPU / Windows	245.789716 samples/min Submissions: 6
Blender 4.5.0 / CPU / Windows	214.41803 samples/min Submissions: 28
Blender 5.1.1 / CPU / Windows	175.062878 samples/min Submissions: 5
Blender 5.2.0 / CPU / Linux	194.06793 samples/min Submissions: 5

Individual system tests

Results were obtained on the reported systems. Test versions and settings remain separate; incomplete conditions do not support calculated model performance differences.

Cinebench 2024 / multiple threads

Result	Reported conditions
1104 points	System: Dell 16 Premium DA16250 CPU / power label: Ultra 7 255H 116 W / 67 W Graphics: GeForce RTX 5070 Laptop 60 W 1425 / 1500 MHz 8 GB RAM: 32 GB Exact test build and complete conditions are unreported; no ranking position.

Cinebench 2024 / single thread

Result	Reported conditions
120.9 points	System: Dell 16 Premium DA16250 CPU / power label: Ultra 7 255H 116 W / 67 W Graphics: GeForce RTX 5070 Laptop 60 W 1425 / 1500 MHz 8 GB RAM: 32 GB Exact test build and complete conditions are unreported; no ranking position.

RandomX / XMRig 6.24.0 / 1M / 16 threads / linux

Result	Reported conditions
7331.32455 H/s	RandomX / XMRig 6.24.0 / 1M / 16 threads / linux System RAM: 32 GB OS: Linux x86_64 Motherboard: LENOVO / LNVNB161216 Duration: 136.401 s User-submitted run; tuning and power settings are incomplete.

Cinebench R23 / multiple threads

Result	Reported conditions
21826 points	System: Dell 16 Premium DA16250 CPU / power label: Ultra 7 255H 116 W / 67 W Graphics: GeForce RTX 5070 Laptop 60 W 1425 / 1500 MHz 8 GB RAM: 32 GB Exact test build and complete conditions are unreported; no ranking position.

Cinebench R23 / single thread

Result	Reported conditions
1874 points	System: Dell 16 Premium DA16250 CPU / power label: Ultra 7 255H 116 W / 67 W Graphics: GeForce RTX 5070 Laptop 60 W 1425 / 1500 MHz 8 GB RAM: 32 GB Exact test build and complete conditions are unreported; no ranking position.

Cinebench R20 / multiple threads

Result	Reported conditions
8524 points	System: Dell 16 Premium DA16250 CPU / power label: Ultra 7 255H 116 W / 67 W Graphics: GeForce RTX 5070 Laptop 60 W 1425 / 1500 MHz 8 GB RAM: 32 GB Exact test build and complete conditions are unreported; no ranking position.

Cinebench R20 / single thread

Result	Reported conditions
748 points	System: Dell 16 Premium DA16250 CPU / power label: Ultra 7 255H 116 W / 67 W Graphics: GeForce RTX 5070 Laptop 60 W 1425 / 1500 MHz 8 GB RAM: 32 GB Exact test build and complete conditions are unreported; no ranking position.

Cinebench R15 / multiple threads

Result	Reported conditions
3411 points	System: Dell 16 Premium DA16250 CPU / power label: Ultra 7 255H 116 W / 67 W Graphics: GeForce RTX 5070 Laptop 60 W 1425 / 1500 MHz 8 GB RAM: 32 GB Exact test build and complete conditions are unreported; no ranking position.

Cinebench R15 / single thread

Result	Reported conditions
296 points	System: Dell 16 Premium DA16250 CPU / power label: Ultra 7 255H 116 W / 67 W Graphics: GeForce RTX 5070 Laptop 60 W 1425 / 1500 MHz 8 GB RAM: 32 GB Exact test build and complete conditions are unreported; no ranking position.