Intel Core i7 1255U

Intel Core i7 1255U

Office WorkWeb BrowsingHeavy MultitaskingPortable / Battery Efficient
66 Single-Core Performance
21 Multi-Core Performance
59 Power Efficiency
47 Integrated Graphics
48 NanoReview Final Score
1656 Cinebench R23 (Single-Core)

Technical Specifications

Performance

Total Cores 10
L3 Cache 12MB (shared)
L2 Cache 1280K (per core)
L1 Cache 80K (per core)
TGP 15 W

Graphics

Integrated GPU Iris Xe Graphics (96EU)
Execution Units 96

Technical

Vendor Intel
Released February 23, 2022

Other Specifications

File compression 626.4 MB/sec
Clang compilation 49.1 Klines/sec
HTML 5 Browser 179.7 pages/sec
PDF Renderer 201.5 Mpixels/sec
Text processing 217.7 pages/sec
Background blur 31.6 images/sec
Photo processing 71.1 images/sec
Ray tracing 9.8 Mpixels/sec
Integer math 48.3 GOps/sec
Floating point math 32.6 GOps/sec
Find prime numbers 39M Primes/sec
Random string sorting 16.9M Strings/sec
Data encryption 9.2 GBytes/sec
Data compression 146.8 MBytes/sec
Physics 775 Frames/sec
Extended instructions 8.2B Matrices/sec
Cinebench 2024 / Watt 29.7 PPW
Geekbench 6 Multi / Watt 477.3 PPW
Passmark CPU Mark / Watt 876.9 PPW
Blender / Watt 5.15 PPW
Type Laptop
Instruction Set x86-64
Codename Alder Lake
Model number i7-1255U
P-Cores 2
P-Threads 4
Base Frequency (P) 1.7 GHz
Turbo Boost Frequency (P) 4.7 GHz
E-Cores 8
E-Threads 8
Base Frequency (E) 1.2 GHz
Turbo Boost Frequency (E) 3.5 GHz
Total Threads 12
Bus Frequency 100 MHz
Multiplier 17x
Unlocked Multiplier No
Fabrication Process 10 nm
TDP (PL1) 12-15 W (configurable)
Max. Boost TDP (PL2) 55 W
Socket BGA-1744
Peak Temperature 100°C
Integrated Graphics Intel Iris Xe Graphics (96EU)
GPU Base Clock 300 MHz
GPU Boost Clock 1250 MHz
Shading Units 768
TMUs 48
ROPs 24
Memory Types
  • - DDR5-4800
  • DDR4-3200
  • LPDDR5-5200
  • LPDDR4x-4267
Max. Memory Size 64 GB
Memory Channels 2
ECC Support No
Official Site Intel Core i7 1255U official page
PCI Express Version 4.0
PCI Express Lanes 20

Laptops with Intel Core i7 1255U