AMD Athlon X4 845 vs AMD Athlon II X4 638 Quad-Core
Table of Contents
Overview:
Comparison between AMD Athlon X4 845 and AMD Athlon II X4 638 Quad-Core
Both CPUs are manufactured by AMD.
AMD Athlon X4 845 has a higher base speed of 3.5 GHz compared to AMD Athlon II X4 638 Quad-Core's 2.7 GHz.
AMD Athlon X4 845 has a higher turbo speed of 3.8 GHz compared to AMD Athlon II X4 638 Quad-Core's GHz.
Both CPUs have the same number of cores (4).
AMD Athlon II X4 638 Quad-Core supports more threads (4) compared to AMD Athlon X4 845's threads.
Both CPUs belong to the same class: Desktop.
AMD Athlon X4 845 uses the FM2+ socket, while AMD Athlon II X4 638 Quad-Core uses the FM1 socket.
AMD Athlon X4 845 was launched in Q1 2016, while AMD Athlon II X4 638 Quad-Core was launched in Q2 2015.
Both CPUs have the same L3 cache size of MB.
Specification Summary
The AMD Athlon X4 845 and AMD Athlon II X4 638 Quad-Core are two processors with distinct specifications. Below is a detailed comparison of their key features:
Manufacturer: Both processors are manufactured by AMD.
Speed: The AMD Athlon X4 845 has a base speed of 3.5 GHz, while the AMD Athlon II X4 638 Quad-Core runs at 2.7 GHz.
Turbo Boost: The AMD Athlon X4 845 supports a turbo speed of 3.8 GHz, compared to GHz for the AMD Athlon II X4 638 Quad-Core.
Cores: The AMD Athlon X4 845 has 4 cores, while the AMD Athlon II X4 638 Quad-Core has 4 cores.
Threads: The AMD Athlon X4 845 supports threads, compared to 4 threads for the AMD Athlon II X4 638 Quad-Core.
Class: Both processors are designed for Desktop use.
Socket: The AMD Athlon X4 845 uses the FM2+, while the AMD Athlon II X4 638 Quad-Core uses the FM1.
Launch Date: The AMD Athlon X4 845 was launched on Q1 2016, while the AMD Athlon II X4 638 Quad-Core was released on Q2 2015.
L3 Cache: The AMD Athlon X4 845 has MB of L3 cache, compared to MB for the AMD Athlon II X4 638 Quad-Core.
Detailed Specifications:
Specs
AMD Athlon X4 845
AMD Athlon II X4 638 Quad-Core
Manufacturer
AMD
AMD
Speed
3.5 GHz
2.7 GHz
Turbo
3.8 GHz
GHz
Cores
4
4
Threads
4
Class
Desktop
Desktop
Socket
FM2+
FM1
Launched
Q1 2016
Q2 2015
L3 Cache
MB
MB
Review:
Single Core Performance:
CPU Performance in single-threaded applications
AMD Athlon X4 845:
27%
AMD Athlon II X4 638 Quad-Core:
19%
* More is Better
Multi Core Performance:
CPU Performance in multi-threaded applications
AMD Athlon X4 845
5%
AMD Athlon II X4 638 Quad-Core:
3%
* More is Better
Power Efficiency:
Power Consumption of CPU under full load
AMD Athlon X4 845: 65 watts
16.25%
AMD Athlon II X4 638 Quad-Core: 65 watts
16.25%
* Lower is Better
Launched Date:
Time when the CPU was launched
AMD Athlon X4 845 : Q1 2016 ✅
AMD Athlon II X4 638 Quad-Core : Q2 2015 ✅
* Newer is Better
CPU Launch FINAL SCORE:
CPU Final Rating Ratings
AMD Athlon X4 845
AMD Athlon II X4 638 Quad-Core
Pro's and Con's
AMD Athlon X4 845 – Pros and Cons
Pros:
Higher Base Clock Speed: The AMD Athlon X4 845 has a higher base clock speed of 3.5 GHz compared to the AMD Athlon II X4 638 Quad-Core's 2.7 GHz. This results in better performance for single-threaded tasks and general responsiveness.
Higher Turbo Boost Speed: The AMD Athlon X4 845 supports a higher turbo boost speed of 3.8 GHz compared to the AMD Athlon II X4 638 Quad-Core's GHz. This allows for better performance during peak workloads.
Faster Single-Core Performance: With a single-threaded performance score of 1677, the AMD Athlon X4 845 outperforms the AMD Athlon II X4 638 Quad-Core (score: 1163). This makes it better suited for tasks that rely on single-core performance, such as gaming or everyday productivity.
Higher CPU Mark Score: The AMD Athlon X4 845 has a higher CPU Mark score of 107.12 compared to the AMD Athlon II X4 638 Quad-Core's 35.79. This indicates better overall performance across a wide range of tasks.
Cons:
Fewer Threads: The AMD Athlon X4 845 has threads, which is fewer than the AMD Athlon II X4 638 Quad-Core's 4 threads. This may limit its ability to handle highly parallel workloads efficiently.
AMD Athlon II X4 638 Quad-Core – Pros and Cons
Pros:
Newer Release: The AMD Athlon II X4 638 Quad-Core was launched more recently (Q2 2015) compared to the AMD Athlon X4 845 (Q1 2016). This means it benefits from the latest advancements in technology, improved efficiency, and potentially better software optimization.
Cons:
Lower Multi-Core Performance: In multi-threaded tasks, the AMD Athlon II X4 638 Quad-Core scores 2250, which is lower than the AMD Athlon X4 845's score of 3797. This makes the AMD Athlon X4 845 a better choice for heavy multitasking or parallel processing.
Productivity
AMD Athlon X4 845
This cpu Handles Entry Level level office applications, web browsing, and media playback with ease.
It can also be used for Entry Level level multitasking or CPU-intensive tasks like video editing or 3D rendering.
AMD Athlon II X4 638 Quad-Core
This cpu Handles Entry Level level office applications, web browsing, and media playback with ease.
It can also be used for Entry Level level multitasking or CPU-intensive tasks like video editing or 3D rendering.
Gaming
AMD Athlon X4 845
Ideal for Entry Level level gaming (when paired with a dedicated GPU) and Entry Level level computing.
AMD Athlon II X4 638 Quad-Core
Ideal for Entry Level level gaming (when paired with a dedicated GPU) and Entry Level level computing.
Verdict
AMD Athlon X4 845
The AMD Athlon X4 845 is a reliable and Entry Level processor for your PC builds. It delivers excellent value for users with Entry Level computing needs or those building a New PC.
AMD Athlon II X4 638 Quad-Core
The AMD Athlon II X4 638 Quad-Core is a reliable and Entry Level processor for your PC builds. It delivers excellent value for users with Entry Level computing needs or those building a New PC.
