A8-3870K vs Athlon II X4 645

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

2360

Passmark Score

2375

Performance Difference

Athlon II X4 645 is 0.6% faster than A8-3870K

Benchmarks & Performance Comparison

In this CPU comparison, Athlon II X4 645 performs 0.6% better in benchmarks. Below you'll find detailed performance analysis, gaming benchmarks, power consumption data, and specifications to help you decide between A8-3870K and Athlon II X4 645.

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 A8-3870K and Athlon II X4 645

A8-3870K

The A8-3870K is manufactured by AMD. It was released in 20 December 2011 (13 years ago). It is based on the Llano (2011−2012) architecture. It features 4 cores and 4 threads. Base frequency is 3 GHz, with boost up to 3 GHz. L3 cache: 0 kB. L2 cache: 1 MB (per core). Built on 32 nm process technology. Socket: FM1. Thermal design power (TDP): 100 Watt. Memory support: DDR3. Passmark benchmark score: 2,360 points.

General Information

Type:desktop

Designer:AMD

Release Date:20 December 2011 (13 years ago)

Architecture Codename:Llano (2011−2012)

Performance Ranking Position:2440

Technical Specifications

Cores:4

Threads:4

Die Size:228 mm2

L1 Cache:128 kB (per core)

L2 Cache:1 MB (per core)

L3 Cache:0 kB

Max Frequency:3 GHz

64-Bit Support:+

Base Frequency:3 GHz

Transistor Count:1,178 million

Process Technology:32 nm

Unlocked Multiplier:+

Compatibilidade Com Windows 11:-

Compatibility

Socket:FM1

Power Consumption (TDP):100 Watt

Max Processors In Config:1

Memory

RAM Types:DDR3

Athlon II X4 645

The Athlon II X4 645 is manufactured by AMD. It was released in 21 September 2010 (15 years ago). It is based on the Propus (2009−2011) architecture. It features 4 cores and 4 threads. Base frequency is 3.1 GHz, with boost up to 3.1 GHz. L3 cache: 0 kB. L2 cache: 512 kB (per core). Built on 45 nm process technology. Socket: AM3. Thermal design power (TDP): 95 Watt. Memory support: DDR3. Passmark benchmark score: 2,375 points. Launch price was $80.