AMD Ryzen 9 9900X3D vs Intel Core Ultra 7 251HX
CPU Specs Compare
General Parameters
Release Date
Jan 2025
Apr 2026
Manufacturer
Amd
Intel
Type
Desktop
Laptop
Instruction Set
x86-64
x86-64
Core Architecture
Zen 5 (Granite Ridge)
Arrow Lake
Processor Number
9900X3D
251HX
Integrated Graphics
Radeon Graphics
Arc Graphics (4-Cores)
Generation
Ryzen 9 (Zen 5 (Granite Ridge))
-
Series
Ryzen 9000 Series
-
Package
Transistor Count
16.63 billions
-
Manufacturing Process
4 nm
3 nm
Socket
AM5
FCBGA-2114
Power Consumption
120 W
45-55 W
Max Turbo Power Consumption
230 W
160 W
Peak Operating Temperature
95 °C
105 °C
Foundry
TSMC
-
Die Size
2x70.6 mm²
-
I/O Process Size
6 nm
-
I/O Die Size
122 mm²
-
Package
FC-LGA1718
-
CPU Performance
Performance Cores
12
6
Performance Core Threads
24
6
Performance Core Base Frequency
4.4 GHz
2.9 GHz
Performance Core Turbo Frequency
5.5 GHz
5.1 GHz
Total Core Count
12
18
Total Thread Count
24
18
Bus Frequency
100 MHz
100 MHz
Multiplier
43
29
L1 Cache
80 K per core
192 K per core
L2 Cache
1 MB per core
2 MB per core
L3 Cache
128 MB shared
30 MB shared
Unlocked Multiplier
Yes
Yes
SMP
1
-
Efficiency Cores
-
12
Efficiency Core Threads
-
12
Efficiency Core Base Frequency
-
2.5 GHz
Efficiency Core Turbo Frequency
-
4.5 GHz
Memory Parameters
Memory Types
DDR5-5600
DDR5-6400
Max Memory Size
192 GB
256 GB
Max Memory Channels
2
2
Max Memory Bandwidth
89.6 GB/s
102.4 GB/s
ECC Memory Support
Yes
No
Graphics Card Parameters
Integrated Graphics
true
true
GPU Base Frequency
400 MHz
300 MHz
GPU Max Dynamic Frequency
2200 MHz
1800 MHz
Shader Units
128
512
Texture Units
8
32
Raster Operation Units
4
16
Execution Units
2
64
Power Consumption
15
14
📊 Benchmark
Cinebench R23
2,258
-
Cinebench R23
34,524
-
Geekbench 6
3,351
2,940
Geekbench 6
21,364
15,262
Passmark CPU
4,651
-
Passmark CPU
56,185
-
Cinebench 2024
-
130
Cinebench 2024
-
1,761