AMD Athlon II X4 638
AMD Athlon II X4 638
Top 78%419 points
Top 78%
Top specs and features

AMD Athlon II X4 638: 21 facts and highlights

1. total clock speed

4 x 2.7GHz
Intel Xeon Platinum 8180: 28 x 2.5GHz

2. RAM speed

It can support faster memory, which will give quicker system performance.
1866MHz
Intel Xeon Gold 5122: 2670MHz

3. semiconductor size

A smaller size indicates that the process to create the chip is newer.
32nm
Intel Xeon D-1518: 14nm

4. CPU threads

More threads result in faster performance and better multitasking.
4
Intel Xeon Platinum 8176: 56

5. L2 cache

A larger L2 cache results in faster CPU and system-wide performance.
4MB
Intel Xeon Platinum 8176: 28MB

6. L1 cache

A larger L1 cache results in faster CPU and system-wide performance.
512KB
AMD Opteron 6180 SE: 1536KB

7. thermal design power (TDP)

The thermal design power (TDP) is the maximum amount of power the cooling system needs to dissipate. A lower TDP typically means that it consumes less power.
65W
Intel Atom Z650: 3W

8. Supports 64-bit

A 32-bit operating system can only support up to 4GB of RAM. 64-bit allows more than 4GB, giving increased performance. It also allows you to run 64-bit applications.
AMD Athlon II X4 638
96% have it

9. L2 core

More data can be stored in the L2 cache for access by each core of the CPU.
1MB/core
Intel Core i5-4200Y: 2.5MB/core

10. GeekBench result

This is a cross-platform benchmark that measures the performance of the CPU. (Source: Primate Labs, 2017)
3549
Intel Core i7-6950X: 51251

11. Has dynamic frequency scaling

Dynamic frequency scaling is a technology that allows the processor to conserve power and reduce noise when it is under a light load.
AMD Athlon II X4 638
92% have it

12. memory channels

More memory channels increases the speed of data transfer between the memory and the CPU.
2
Intel Xeon Gold 5115: 6

13. Supports hardware-assisted virtualization

It is easier to obtain better performance when using virtualization if it is hardware-assisted.
AMD Athlon II X4 638
94% have it

14. number of transistors

A higher transistor count generally indicates a newer, more powerful processor.
1178 million
Intel Xeon E5-2699 v4: 7200 million

16. Has NX bit

NX bit helps protect the computer from malicious attacks.
AMD Athlon II X4 638
94% have it

17. performance per watt

This means the CPU is more efficient, giving a greater amount of performance for each watt of power used.
55
Intel Core M7-6Y75: 1420.8

18. height

40mm
Samsung Exynos 5 Dual: 11mm

19. Has MMX

MMX is used to speed up tasks such as adjusting the contrast of an image or adjusting volume.
AMD Athlon II X4 638
95% have it

20. SSE version

SSE is used to speed up multimedia tasks such as editing an image or adjusting audio volume. Each new version contains new instructions and improvements.
4
AMD A6-9550: 4.2

21. width

40mm
Samsung Exynos 5 Dual: 11mm

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