AMD Athlon II X4 638 processor review

Athlon II X4 638 processor released by AMD; release date: February 2012. The processor is designed for desktop-computers and based on Llano microarchitecture.

CPU is unlocked for overclocking. Total number of cores - 4, threads - 4. Maximum CPU clock speed - 2.7 GHz. Maximum operating temperature - 70.10°C. Manufacturing process technology - 32 nm. Cache size: L1 - 512 KB, L2 - 4 MB.

Supported memory types: DDR3.

Supported socket types: FM1 uPGA. Maximum number of processors in a configuration - 1. Power consumption (TDP): 65 Watt.

Benchmarks

PassMark
Single thread mark

Top 1 CPU

This CPU

4761

1163

PassMark
CPU mark

Top 1 CPU

This CPU

154658

2250

Geekbench 4
Single Core

Top 1 CPU

This CPU

5311

1654

Geekbench 4
Multi-Core

Top 1 CPU

This CPU

36691

4651

Name	Value
PassMark - Single thread mark	1163
PassMark - CPU mark	2250
Geekbench 4 - Single Core	1654
Geekbench 4 - Multi-Core	4651

Specifications (specs)

Essentials
Architecture codename	Llano
Family	AMD Athlon Processors
Launch date	February 2012
OPN PIB	AD638XOJGXBOX
OPN Tray	AD638XOJZ43GX
Place in performance rating	1543
Price now	$26.49
Series	AMD Athlon II X4
Value for money (0-100)	35.55
Vertical segment	Desktop
Performance
64 bit support
Base frequency	2.7 GHz
Die size	228 mm
L1 cache	512 KB
L2 cache	4 MB
Manufacturing process technology	32 nm
Maximum core temperature	70.10°C
Maximum frequency	2.7 GHz
Number of cores	4
Number of threads	4
Transistor count	1178 million
Unlocked

Memory
Supported memory types	DDR3
Compatibility
Max number of CPUs in a configuration	1
Sockets supported	FM1 uPGA
Thermal Design Power (TDP)	65 Watt
Virtualization
AMD Virtualization (AMD-V™)