Ryzen 7 8745HX vs Ryzen 9 3900XT

PassMark CPU Mark evaluates processor speed through complex mathematical computations. It provides a reliable metric to compare multi-core performance, where higher scores indicate faster processing for multitasking, gaming, and heavy workloads.

Performance Comparison

About PassMark

Passmark Score

32620

Passmark Score

32512

Performance Difference

Ryzen 7 8745HX is 0.3% faster than Ryzen 9 3900XT

Benchmarks & Performance Comparison

In this CPU comparison, Ryzen 7 8745HX performs 0.3% better in benchmarks. Below you'll find detailed performance analysis, gaming benchmarks, power consumption data, and specifications to help you decide between Ryzen 7 8745HX and Ryzen 9 3900XT.

Both processors are popular choices for gaming PCs. Consider factors like core count, boost clock speeds, power consumption (TDP), and gaming vs productivity performance when choosing between these CPUs.

Technical Specifications

Detailed hardware specifications for Ryzen 7 8745HX and Ryzen 9 3900XT

Ryzen 7 8745HX

The Ryzen 7 8745HX is manufactured by AMD. It was released in 23 April 2025 (less than a year ago). It is based on the Dragon Range (2025) architecture. It features 8 cores and 16 threads. Base frequency is 3.6 GHz, with boost up to 5.1 GHz. L3 cache: 32 MB (total). L2 cache: 1 MB (per core). Built on 5 nm process technology. Socket: FL1. Thermal design power (TDP): 55 Watt. Memory support: DDR5. Passmark benchmark score: 32,620 points.

General Information

Type:Para notebooks

Designer:AMD

Manufacturer:TSMC

Release Date:23 April 2025 (less than a year ago)

Architecture Codename:Dragon Range (2025)

Performance Ranking Position:375

Technical Specifications

Cores:8

Threads:16

Die Size:71 mm2

L1 Cache:64 kB (per core)

L2 Cache:1 MB (per core)

L3 Cache:32 MB (total)

Max Frequency:5.1 GHz

64-Bit Support:+

Base Frequency:3.6 GHz

Transistor Count:6,570 million

Process Technology:5 nm

Unlocked Multiplier:+

Compatibility

Socket:FL1

Power Consumption (TDP):55 Watt

Max Processors In Config:1

Memory

RAM Types:DDR5

Ryzen 9 3900XT

The Ryzen 9 3900XT is manufactured by AMD. It was released in 7 July 2020 (5 years ago). It is based on the Matisse 2 (2020) architecture. It features 12 cores and 24 threads. Base frequency is 3.8 GHz, with boost up to 4.7 GHz. L3 cache: 64 MB. L2 cache: 512K (per core). Built on 7 nm, 12 nm process technology. Socket: AM4. Thermal design power (TDP): 105 Watt. Memory support: DDR4-3200. Passmark benchmark score: 32,512 points. Launch price was $499.