AMD Athlon II X4 638: specs and benchmarks

AMD Athlon II X4 638

Summary

AMD started AMD Athlon II X4 638 sales 6 February 2012. This is Llano architecture desktop processor primarily aimed at office systems. It has 4 cores and 4 threads, and is based on 32 nm manufacturing technology, with a maximum frequency of MHz and a locked multiplier.

Compatibility-wise, this is AMD Socket FM1 processor with a TDP of 65 Watt. It supports DDR3 Dual-channel memory.

It provides poor benchmark performance at 2.46 percent of a leader's which is AMD Ryzen Threadripper 3990X.

General info

Of Athlon II X4 638 processor market type (desktop or notebook), architecture and sales start time and price.
Place in performance rating
 
Value for money (0-100)
28.43
 
Type
Desktop
 
Architecture codename
Llano
 
Release date
6 February 2012
 
Price now
$26
 
of 8685 (Xeon E5-4650L)

Technical specs

Athlon II X4 638's quantitative parameters such as cores and threads number, clocks, manufacturing process, cache size and multiplier lock state. These parameters indirectly say of Athlon II X4 638's performance, but to be more precise you have to review its test results.
Number of cores
4
 
Number of threads
4
 
L1 cache
128 KB (per core)
 
of 896 (Atom C3950)
L2 cache
1 MB (per core)
 
of 8 (FX-8350)
Manufacturing process technology
32 nm
 
Die size
228 mm2
 
Transistor count
1,178 million
 
of 19200 (Ryzen 7 3700)
64 bit support
+
 

Compatibility

Information on Athlon II X4 638 compatibility with other computer components. Useful when choosing a future computer configuration or upgrading an existing one.
Max number of CPUs in a configuration
1
 
Socket
FM1
 
Power consumption (TDP)
65 Watt
 
of 650 (Atom Z500)

Virtualization technologies

Virtual machine speed-up technologies supported by Athlon II X4 638 are enumerated here.
AMD-V
+
 

Memory specs

Types, maximum amount and channel number of RAM supported by Athlon II X4 638.
Supported memory types
DDR3 Dual-channel
 
of 2933 (Ryzen 5 2500X)

Benchmark performance

Non-gaming benchmarks performance of Athlon II X4 638. Overall benchmark performance is measured in points in 0-100 range.

Overall benchmark performance

2.46

Passmark

1930

Game benchmarks

Let's see how good Athlon II X4 638 is for gaming compared with game system requirements. Remember that sometimes official requirements may reflect real performance inaccurately.

Relative perfomance

Overall Athlon II X4 638 performance compared to nearest competitors. All CPU types participate.

Intel equivalent

We believe that the nearest equivalent to Athlon II X4 638 from Intel is Core i7-2655LE, which is nearly equal in speed and lower by 2 positions in our rating.

User rating

Here you can see the rating of the processor by users, as well as give your rating.

Advices and comments

Here you can ask a question about Athlon II X4 638, agree or disagree with our judgements, or report an error or mismatch.