Head to head
Compare Processors
Pick up to 4. Winners are highlighted in green ▲.
1 selected
Key specs
Cores
20
Threads
20
Boost Clock
5.2 GHz
TDP
45-55 W (configurable)
Socket
FCBGA-2114
Process
3 nm
Benchmarks
Rating
75
Perf.
77
iGPU
51
Energy
73
Cinebench 2024 Single-Core
131
Cinebench 2024 Multi-Core
1759
TDP
45-55 W
Cache L3
30MB
Cinebench 2024 (Single)
131
Cinebench 2024 (Multi)
1759
Geekbench 6 (Single-Core)
2888
Geekbench 6 (Multi-Core)
18,042
Passmark CPU (Single-Core)
4560
Passmark CPU (Multi-Core)
48,115
Blender CPU
391.12
iGPU FLOPS
1.9 TFLOPS
GeekBench v6
File compression
1140 MB/sec
Clang compilation
149.8 Klines/sec
HTML 5 Browser
312.2 pages/sec
PDF Renderer
423.9 Mpixels/sec
Text processing
335.6 pages/sec
Background blur
64.1 images/sec
Photo processing
111.8 images/sec
Ray tracing
31.1 Mpixels/sec
PassMark
Integer math
127 GOps/sec
Floating point math
160.3 GOps/sec
Find prime numbers
400M Primes/sec
Random string sorting
62.4M Strings/sec
Data encryption
39.4 GBytes/sec
Data compression
513.6 MBytes/sec
Physics
2916 Frames/sec
Extended instructions
41.1B Matrices/sec
Performance Per Watt
Cinebench 2024 / Watt
32 PPW
Geekbench 6 Multi / Watt
328 PPW
Passmark CPU Mark / Watt
874.8 PPW
Blender / Watt
7.11 PPW
General
Vendor
Intel
Released
January 6, 2025
Type
Laptop
Instruction Set
x86-64
Codename
Arrow Lake
Model number
255HX
Integrated GPU
Arc Graphics (4-Cores)
AMD Equivalent
- AMD Ryzen AI Max Pro 380
CPU
P-Cores
8
P-Threads
8
Base Frequency (P)
2.4 GHz
Turbo Boost Frequency (P)
5.2 GHz
E-Cores
12
E-Threads
12
Base Frequency (E)
1.8 GHz
Turbo Boost Frequency (E)
4.5 GHz
Total Cores
20
Total Threads
20
Bus Frequency
100 MHz
Multiplier
24x
L1 Cache
192K (per core)
L2 Cache
2MB (per core)
L3 Cache
30MB (shared)
Unlocked Multiplier
Yes
Package
Fabrication Process
3 nm
TDP (PL1)
45-55 W (configurable)
Max. Boost TDP (PL2)
160 W
Socket
FCBGA-2114
Peak Temperature
105°C
iGPU
Integrated Graphics
Arc Graphics (4-Cores)
GPU Base Clock
300 MHz
GPU Boost Clock
1850 MHz
Shading Units
512
TMUs
32
ROPs
16
Execution Units
64
TGP
14 W
Memory Support
Memory Types
- DDR5-6400
Max. Memory Size
256 GB
Memory Channels
2
Max. Memory Bandwidth
102.4 GB/s
ECC Support
Yes
Misc
Official Site
Intel Core Ultra 7 255HX official page
PCI Express Version
5.0
PCI Express Lanes
24
Technologies
- Compute: ABM, ADX, AI Boost 3.0, AVX-VNNI, BMI1, BMI2, CLMUL, DLBoost 3.0, F16C, IPU 6.0, SHA - Performance: CFET, EIST, Speed Shift, TBMT 3.0, TBT 2.0, Thread Director - Virtualization: VT-d, VT-x, VT-x EPT - Security: MBEC, RDRAND, TDT, TXT, XD bit, vPro