AMD Ryzen 9 9900X vs Intel Core Ultra 7 255HX
CPU · Specs Compare
General Parameters
Release Date
Jun 2024
Jan 2025
Manufacturer
Amd
Intel
Type
Desktop
Laptop
Instruction Set
x86-64
x86-64
Core Architecture
Zen 5 (Granite Ridge)
Arrow Lake
Integrated Graphics
Radeon Graphics
Arc Graphics (4-Cores)
Generation
Ryzen 9 (Zen 5 (Granite Ridge))
Ultra 7 (Arrow Lake)
Series
Ryzen 9000 Series
—
Processor Number
—
255HX
Package
Manufacturing Process
4 nm
3 nm
Socket
AM5
FCBGA-2114
Power Consumption
120 W
45-55 W
Peak Operating Temperature
95 °C
105 °C
Foundry
TSMC
Intel
I/O Process Size
6 nm
—
Package
FC-LGA1718
FC-LGA18V
Max Turbo Power Consumption
—
160 W
CPU Performance
Performance Cores
12
8
Performance Core Threads
24
8
Performance Core Base Frequency
4.4 GHz
2.4 GHz
Performance Core Turbo Frequency
5.6 GHz
5.2 GHz
Total Core Count
12
20
Total Thread Count
24
20
Bus Frequency
100 MHz
100 MHz
Multiplier
44x
24
L1 Cache
80 K per core
112 K per core
L2 Cache
1 MB per core
2 MB per core
L3 Cache
64 MB shared
30 MB shared
Unlocked Multiplier
Yes
Yes
SMP
1
1
Efficiency Cores
—
12
Efficiency Core Threads
—
12
Efficiency Core Base Frequency
—
1.8 GHz
Efficiency Core Turbo Frequency
—
4.5 GHz
Memory Parameters
Memory Types
DDR5-5600
DDR5-6400
Max Memory Size
192 GB
192 GB
Max Memory Channels
2
2
Max Memory Bandwidth
89.6 GB/s
102.4 GB/s
ECC Memory Support
Yes
Yes
Graphics Card Parameters
Integrated Graphics
true
true
GPU Base Frequency
MHz
300 MHz
GPU Max Dynamic Frequency
2200 MHz
1850 MHz
Execution Units
2
64
Shader Units
—
512
Texture Units
—
32
Raster Operation Units
—
16
Power Consumption
—
14
Miscellaneous
PCIe Version
5.0
5.0
PCIe Lanes
28
24
Benchmark
Cinebench R23
2,232
2,030
Cinebench R23
32,626
25,611
Geekbench 6
3,342
3,102
Geekbench 6
19,527
15,879
Cinebench 2024
134
132
Cinebench 2024
1,764
1,590
Passmark CPU
4,648
—
Passmark CPU
53,832
—
▲ Specs Compare
Data sourced from official specifications and benchmark tests.