AMD FX-8320

AMD FX-8320

AMD FX-8320 in 2025: Is it Worth Building a PC on the Legendary "Eight-Core"?

Introduction

The AMD FX-8320 processor, released in 2012, has become iconic among budget build enthusiasts. Despite its age, it can still be found for sale (new units range from $60–80). But is it still relevant in 2025? Let's examine who this chip is suitable for and how to use it.


1. Key Specifications: The Old Warrior

Architecture and Process Technology:

The FX-8320 is based on the Piledriver microarchitecture (Vishera family) with a 32nm manufacturing process. It features 8 physical cores without support for multithreading (8 threads), which sets it apart from modern CPUs with SMT/Hyper-Threading. The base clock frequency is 3.5 GHz, and the turbo mode can reach up to 4.0 GHz.

Key Features:

- High Overclocking Potential: With good cooling, the chip can stably run at 4.5–4.8 GHz.

- Large L3 Cache: 8 MB is a decent figure for the DDR3 era.

- Affordable Multitasking: 8 cores handle rendering and data streaming effectively.

Performance:

- Geekbench 6: 456 (Single-Core), 1739 (Multi-Core). In comparison, the Ryzen 3 7300 (2024) scores 1800/5500 — a difference of 3–4 times.

- Real-World Experience: In 2020s games (e.g., Cyberpunk 2077), the CPU delivers about 30–45 FPS on low settings due to weak IPC (instructions per clock).


2. Compatible Motherboards: Hunting for Rarities

Socket: AM3+ — an outdated socket with no new boards being released. In 2025, only used or leftover new ones are available (price: $70–120).

Chipsets:

- 990FX: The best choice for overclocking (e.g., ASUS Crosshair V Formula).

- 970: Budget boards (Gigabyte GA-970A-DS3P) but with limitations on VRM power delivery.

Selection Tips:

- Look for boards with VRM heatsinks and USB 3.0 support.

- Check compatibility lists on the manufacturer's website — some BIOS versions do not work with the FX-8320.


3. Memory: The DDR3 Era

The FX-8320 only supports DDR3 memory with speeds up to 1866 MHz (overclockable to 2133 MHz). The maximum capacity is 32 GB (4 slots).

Issues:

- No support for DDR4/DDR5 — this is a "bottleneck" for performance.

- Dual-channel mode (2x8 GB DDR3-1866) is recommended for gaming.

Example: A Patriot Viper 16 GB DDR3-1866 kit costs about $45 (new).


4. Power Supply: Don’t Skimp on Watts

Power Calculation:

- The CPU’s TDP is 125W, but it can draw up to 200W when overclocked.

- A mid-range graphics card like the NVIDIA GTX 1660 Super adds about 120W.

- Overall: a minimum of 500W is recommended (600–650W with an 80+ Bronze certification).

Tip: Get a PSU with overload protection on the +12V rail (e.g., Corsair CX650M — $75). Avoid cheap no-name models — they pose a risk of VRM failure on the motherboard.


5. Pros and Cons: A Balance of Capabilities

Pros:

- Affordability: A CPU + motherboard + RAM bundle will cost around $150–200.

- 8 cores for parallel tasks: rendering, streaming, virtualization.

- Easy upgrade path: you can install a more powerful FX-9370 (though it runs hot).

Cons:

- Low IPC: lagging behind modern CPUs in gaming and applications.

- High power consumption: electricity bills will increase.

- No PCIe 4.0/5.0, NVMe, USB-C — limitations for SSDs and peripherals.


6. Use Scenarios: Where the FX-8320 Still Holds Up

- Office and Multimedia: Watching 4K videos, working with documents, using a browser with multiple tabs.

- Server Tasks: File storage, home NAS, Minecraft server (up to 20 players).

- Retro Gaming: Running games from the 2010s (The Witcher 3, GTA V) at medium settings.

Not Suitable For:

- Contemporary AAA games and VR.

- Software with a focus on Single-Core (Photoshop, AutoCAD).


7. Comparison with Competitors

- Intel Core i5-3470 (Ivy Bridge): Better for single-threaded tasks but has only 4 cores. Price used — $25.

- Ryzen 3 7300 (Zen 4): 2–3 times faster, supports DDR5, but the CPU + motherboard + RAM bundle starts at $300.

- Xeon E5-2670 (Sandy Bridge-EP): 8 cores/16 threads for $40 (used), but requires a server motherboard.

Conclusion: The FX-8320 is a choice for those who prioritize price over performance.


8. Practical Assembly Tips

- Cooling: Get a tower cooler (DeepCool Gammaxx 400 — $30). The stock "box" cooler won’t handle overclocking.

- Graphics Card: Do not install a GPU more expensive than the Radeon RX 6600 — the CPU will become a bottleneck.

- Storage: Use a SATA SSD (Samsung 870 EVO 1 TB — $80). NVMe via a PCIe 2.0 adapter will be slow.

Example Build:

- CPU: AMD FX-8320 ($70)

- Motherboard: ASUS M5A97 R2.0 ($90)

- RAM: 16 GB DDR3-1866 ($45)

- PSU: Corsair CX650M ($75)

- Total: ~$280 without a graphics card.


9. Final Conclusion: Who is the FX-8320 Suitable For?

This processor should only be considered in three scenarios:

1. Super Budget Build: When the total budget is $300–400.

2. Upgrading an Old PC: If you already have an AM3+ motherboard and DDR3 RAM.

3. Experimentation: For learning overclocking or building a retro system.

Alternative: For the same $200–300, you could buy a used Ryzen 5 2600 + AM4 bundle — this will offer more future-proofing and significantly higher performance.


Conclusion

In 2025, the AMD FX-8320 is a prime example of a "living legend," but its time has passed. It is suitable only for a narrow audience willing to accept compromises. If you need a PC "for now" and don’t plan on upgrading — this is a viable option. In all other cases, it’s better to choose an AM4 or AM5 platform, even in the secondary market.

Basic

Label Name
AMD
Platform
Desktop
Launch Date
October 2012
Model Name
?
The Intel processor number is just one of several factors - along with processor brand, system configurations, and system-level benchmarks - to be considered when choosing the right processor for your computing needs.
FX-8320
Code Name
Vishera
Generation
FX (Vishera)

CPU Specifications

Total Cores
?
Cores is a hardware term that describes the number of independent central processing units in a single computing component (die or chip).
8
Total Threads
?
Where applicable, Intel® Hyper-Threading Technology is only available on Performance-cores.
8
Basic Frequency
3.5 GHz
Max Turbo Frequency
?
Max Turbo Frequency is the maximum single-core frequency at which the processor is capable of operating using Intel® Turbo Boost Technology and, if present, Intel® Turbo Boost Max Technology 3.0 and Intel® Thermal Velocity Boost. Frequency is typically measured in gigahertz (GHz), or billion cycles per second.
up to 4 GHz
L1 Cache
384 KB
L2 Cache
8 MB
L3 Cache
8 MB (shared)
Bus Frequency
200 MHz
Multiplier
17.5x
CPU Socket
?
The socket is the component that provides the mechanical and electrical connections between the processor and motherboard.
AMD Socket AM3+
Multiplier Unlocked
Yes
Technology
?
Lithography refers to the semiconductor technology used to manufacture an integrated circuit, and is reported in nanometer (nm), indicative of the size of features built on the semiconductor.
32 nm
TDP
125 W
PCI Express Version
?
PCI Express Revision is the supported version of the PCI Express standard. Peripheral Component Interconnect Express (or PCIe) is a high-speed serial computer expansion bus standard for attaching hardware devices to a computer. The different PCI Express versions support different data rates.
Gen 2
Transistors
1,200 million

Memory Specifications

Memory Type
?
Intel® processors come in four different types: Single Channel, Dual Channel, Triple Channel, and Flex Mode. Maximum supported memory speed may be lower when populating multiple DIMMs per channel on products that support multiple memory channels.
DDR3
Memory Channels
?
The number of memory channels refers to the bandwidth operation for real world application.
Dual-channel
ECC Memory
No

GPU Specifications

Integrated Graphics Model
?
An integrated GPU refers to the graphics core that is integrated into the CPU processor. Leveraging the processor's powerful computational capabilities and intelligent power efficiency management, it delivers outstanding graphics performance and a smooth application experience at a lower power consumption.
On certain motherboards (Chipset feature)

Benchmarks

Geekbench 6
Single Core Score
456
Geekbench 6
Multi Core Score
1739
Geekbench 5
Single Core Score
581
Geekbench 5
Multi Core Score
2723
Passmark CPU
Single Core Score
1471
Passmark CPU
Multi Core Score
5441

Compared to Other CPU

Geekbench 6 Single Core
527 +15.6%
492 +7.9%
456
421 -7.7%
389 -14.7%
Geekbench 6 Multi Core
2088 +20.1%
1904 +9.5%
1739
1579 -9.2%
1445 -16.9%
Geekbench 5 Single Core
625 +7.6%
601 +3.4%
581
562 -3.3%
542 -6.7%
Geekbench 5 Multi Core
3004 +10.3%
2850 +4.7%
2723
2602 -4.4%
2457 -9.8%
Passmark CPU Single Core
1531 +4.1%
1493 +1.5%
1471
1435 -2.4%
1405 -4.5%
Passmark CPU Multi Core
5991 +10.1%
5688 +4.5%
5441
5098 -6.3%
4726 -13.1%