Intel Core Ultra 7 255H vs AMD Ryzen 9 Pro 9945
CPU · Specs Compare
General Parameters
Release Date
Jan 2025
Jan 2026
Manufacturer
Intel
Amd
Type
Laptop
Desktop
Instruction Set
x86-64
x86-64
Core Architecture
Arrow Lake
Zen 5 (Granite Ridge)
Processor Number
255H
9945
Integrated Graphics
Arc Graphics 140T
Radeon Graphics
Package
Manufacturing Process
3 nm
4 nm
Socket
FCBGA-2049
AM5
Power Consumption
20-28 W
65 W
Max Turbo Power Consumption
115 W
—
Peak Operating Temperature
110 °C
95 °C
CPU Performance
Performance Cores
6
12
Performance Core Threads
6
24
Performance Core Base Frequency
2.0 GHz
3.4 GHz
Performance Core Turbo Frequency
5.1 GHz
5.4 GHz
Efficiency Cores
10
—
Efficiency Core Threads
10
—
Efficiency Core Base Frequency
1.5 GHz
—
Efficiency Core Turbo Frequency
4.4 GHz
—
Total Core Count
16
12
Total Thread Count
16
24
Bus Frequency
100 MHz
100 MHz
Multiplier
20
34
L1 Cache
112 K per core
80 K per core
L2 Cache
2 MB per core
1 MB per core
L3 Cache
24 MB shared
64 MB shared
Unlocked Multiplier
No
Yes
Memory Parameters
Memory Types
LPDDR5-8400,LPDDR5x-8400,DDR5-6400
DDR5-5600
Max Memory Size
128 GB
—
Max Memory Channels
2
—
ECC Memory Support
No
Yes
Max Memory Bandwidth
—
89.6 GB/s
Graphics Card Parameters
Integrated Graphics
true
true
GPU Max Dynamic Frequency
2250 MHz
2200 MHz
GPU Base Frequency
—
400 MHz
Shader Units
—
128
Texture Units
—
8
Raster Operation Units
—
4
Execution Units
—
2
Power Consumption
—
15
Miscellaneous
PCIe Version
5.0
5.0
PCIe Lanes
28
28
Benchmark
Cinebench R23
2,029
2,117
Cinebench R23
20,521
19,948
Geekbench 6
2,823
3,284
Geekbench 6
15,662
16,188
Cinebench 2024
115
135
Cinebench 2024
1,102
1,230
Blender
278
—
▲ Specs Compare
Data sourced from official specifications and benchmark tests.