AMD

AMD FX-4320

AMD processor specifications and benchmark scores

4
Cores
4
Threads
4.2
GHz Boost
95W
TDP
πŸ”“Unlocked πŸ–₯️Integrated GPU

AMD FX-4320 Specifications

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FX-4320 Core Configuration

Processing cores and threading

The AMD FX-4320 features 4 physical cores and 4 threads, which directly impacts multi-threaded performance in CPU benchmarks. More cores allow the processor to handle parallel workloads efficiently, improving performance in video editing, 3D rendering, and multitasking scenarios. Thread count determines how many simultaneous tasks the CPU can process, with higher thread counts benefiting productivity applications and content creation workflows.

Cores
4
Threads
4
SMP CPUs
1
⏱️

FX-4320 Clock Speeds

Base and boost frequencies

Clock speed is a critical factor in FX-4320 benchmark performance, measured in GHz. The base clock represents the guaranteed operating frequency, while the boost clock indicates maximum single-core performance under optimal conditions. Higher clock speeds translate to faster single-threaded performance, which is essential for gaming and applications that don't fully utilize multiple cores. The FX-4320 by AMD can dynamically adjust its frequency based on workload and thermal headroom.

Base Clock
4 GHz
Boost Clock
4.2 GHz
Multiplier
20x πŸ”“
πŸ’Ύ

AMD's FX-4320 Cache Hierarchy

L1, L2, L3 cache sizes

Cache memory is ultra-fast storage built directly into the FX-4320 processor die. L1 cache provides the fastest access for frequently used data, while L2 and L3 caches offer progressively larger storage with slightly higher latency. Larger cache sizes significantly improve CPU benchmark scores by reducing memory access times. The FX-4320's cache configuration is optimized for both gaming performance and productivity workloads, minimizing data fetch delays during intensive computations.

L1 Cache
192 KB
L2 Cache
4 MB
L3 Cache
4 MB (shared)
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Piledriver Architecture & Process

Manufacturing and design details

The AMD FX-4320 is built on AMD's 32 nm manufacturing process, which determines power efficiency and thermal characteristics. Smaller process nodes allow for more transistors in the same space, enabling higher performance per watt. The architecture defines how the processor handles instructions and manages data flow, directly impacting benchmark results across different workload types. Modern CPU architectures like the one in FX-4320 incorporate advanced branch prediction and out-of-order execution for optimal performance.

Architecture
Piledriver
Codename
Vishera
Process Node
32 nm
Foundry
GlobalFoundries
Transistors
1,200 million
Die Size
315 mmΒ²
Generation
FX (Vishera)
πŸ”’

Piledriver Instruction Set Features

Supported CPU instructions and extensions

The FX-4320 by AMD supports various instruction set extensions that enable optimized performance for specific workloads. SIMD instructions like SSE and AVX accelerate multimedia, scientific computing, and AI workloads by processing multiple data points simultaneously. Features like AES-NI provide hardware-accelerated encryption, while AVX-512 (if supported) enables advanced vector processing for data centers and high-performance computing. These instruction sets are critical for software compatibility and performance in modern applications.

MMX
SSE
SSE2
SSE3
SSSE3
SSE4A
SSE4.1
SSE4.2
AES
AVX
FMA3
BMI1
AMD64
AMD-V
πŸ”Œ

FX-4320 Power & Thermal

TDP and power specifications

The AMD FX-4320 has a TDP (Thermal Design Power) of 95W, indicating the cooling solution required for sustained operation. TDP affects both system power consumption and the type of cooler needed. Lower TDP processors are ideal for compact builds and laptops, while higher TDP chips typically offer better sustained performance in demanding CPU benchmarks. Understanding power requirements helps ensure your system can deliver consistent performance without thermal throttling.

TDP
95W
πŸ”§

AMD Socket AM3+ Platform & Socket

Compatibility information

The FX-4320 uses the AMD Socket AM3+ socket, which determines motherboard compatibility. Choosing the right platform is essential for building a system around this processor. The socket type also influences available features like PCIe lanes, memory support, and upgrade paths. When comparing CPU benchmarks, ensure you're looking at processors compatible with your existing or planned motherboard to make informed purchasing decisions.

Socket
AMD Socket AM3+
Chipsets
AMD 700 Series, AMD 800 Series, AMD 900 Series
PCIe
Gen 2
Package
Β΅PGA
DDR5

AMD Socket AM3+ Memory Support

RAM compatibility and speeds

Memory support specifications for the FX-4320 define which RAM types and speeds are compatible. Faster memory can significantly improve CPU benchmark performance, especially in memory-intensive applications and gaming. The memory controller integrated into the FX-4320 determines maximum supported speeds and channels. Dual-channel or quad-channel memory configurations can double or quadruple memory bandwidth, providing noticeable performance gains in content creation and scientific workloads.

Memory Type
DDR3
Memory Bus
Dual-channel
Memory Bandwidth
29.9 GB/s
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AMD's FX-4320 Integrated Graphics

Built-in GPU specifications

The AMD FX-4320 includes integrated graphics, eliminating the need for a dedicated GPU in basic computing scenarios. Integrated graphics are ideal for office productivity, video playback, and light gaming. While not designed for demanding GPU benchmarks, the iGPU in the FX-4320 provides hardware video encoding and decoding capabilities. This makes the processor suitable for compact builds, HTPCs, and systems where power efficiency is prioritized over gaming performance.

iGPU
On certain motherboards (Chipset feature)
Graphics Model
On certain motherboards (Chipset feature)
πŸ“¦

FX-4320 Product Information

Release and pricing details

The AMD FX-4320 is manufactured by AMD and represents their commitment to delivering competitive CPU performance. Understanding the release date and pricing helps contextualize benchmark comparisons with other processors from the same generation. Launch pricing provides a baseline for evaluating value, though street prices often differ. Whether you're building a new system or upgrading, the FX-4320 by AMD offers a specific balance of performance, features, and cost within AMD's product lineup.

Manufacturer
AMD
Release Date
Oct 2012
Market
Desktop
Status
End-of-life
Part Number
FD4320WMW4KHK

FX-4320 Benchmark Scores

cinebench_cinebench_r15_multicoreSource

Cinebench R15 multi-core renders a complex 3D scene using all CPU threads simultaneously. This test reveals how AMD FX-4320 performs in parallel rendering workloads.

cinebench_cinebench_r15_multicore #1386 of 1788
269
2%
Max: 14,978

cinebench_cinebench_r20_multicoreSource

Cinebench R20 multi-core uses a scene requiring 4x more computational power than R15. This test better reflects modern CPU capabilities for professional rendering on AMD FX-4320. The more demanding workload provides better differentiation between current-generation processors. Content creators and 3D artists use this benchmark to estimate real-world render performance.

cinebench_cinebench_r20_multicore #1386 of 1788
1,124
2%
Max: 62,412
Compare with other CPUs

cinebench_cinebench_r20_singlecoreSource

Cinebench R20 single-core tests one thread against a more demanding scene than R15. This reveals the true single-thread rendering capability of AMD FX-4320. The increased complexity provides more accurate performance differentiation between modern CPUs. Single-thread performance remains critical for gaming and applications with serial bottlenecks.

cinebench_cinebench_r20_singlecore #1386 of 1784
158
2%
Max: 8,811

cinebench_cinebench_r23_multicoreSource

Cinebench R23 multi-core is the current standard for CPU rendering benchmarks with a 10-minute minimum runtime. This extended test reveals sustained performance of AMD FX-4320 after thermal limits kick in. The longer duration exposes cooling limitations that shorter benchmarks miss. Professional users rely on R23 scores to predict real-world rendering performance under sustained workloads.

cinebench_cinebench_r23_multicore #1386 of 1788
2,677
2%
Max: 148,601
Compare with other CPUs

cinebench_cinebench_r23_singlecoreSource

Cinebench R23 single-core measures sustained single-thread performance over 10 minutes. This reveals how AMD FX-4320 maintains boost clocks under continuous load. The extended runtime shows whether thermal throttling affects single-core performance. This score is particularly important for understanding real-world responsiveness beyond initial boost behavior.

cinebench_cinebench_r23_singlecore #1385 of 1788
378
2%
Max: 20,979

About AMD FX-4320

The AMD FX-4320 from AMD is a quad-core processor that was released in 2012 as part of AMD’s FX series, built on a 32 nm process. Despite its age, the FX-4320 from AMD still holds relevance for certain applications due to its 4.00 GHz base clock and 4.20 GHz turbo frequency, which offer strong single-threaded performance. The FX-4320 from AMD features a shared 4 MB L3 cache, which helps in maintaining efficient data access across its four cores. When compared to modern processors, the FX-4320 from AMD shows its limitations in multi-core performance, as seen in the Cinebench R23 multicore score of 2,677 points.
  1. The FX-4320 from AMD is designed for users who prioritize single-threaded performance over multi-threaded workloads, making it suitable for older software and gaming scenarios.
  2. With a TDP of 95W, the FX-4320 from AMD offers a balanced power consumption profile, which was a key consideration for desktop users at the time of its release.
  3. The processor supports DDR3 memory, and its memory bandwidth is a limiting factor when compared to modern platforms, which can impact performance in memory-intensive tasks.
  4. Despite its limitations, the FX-4320 from AMD was a strong contender in its generation, especially when paired with a capable GPU and sufficient RAM.
The FX-4320 from AMD provides a solid foundation for budget builds and legacy systems, though it may not be the best choice for modern multi-threaded applications. Its 4-core, 4-thread configuration means it lacks the parallel processing power of more recent CPUs, but it still delivers respectable performance in single-threaded tasks. The FX-4320 from AMD was well-suited for its time, but today it’s clear that the FX-4320 from AMD is better suited for specific use cases rather than general-purpose computing. The FX-4320 from AMD may still be found in some retro gaming or light productivity setups, but it’s unlikely to be the top choice for new builds.

The Intel Equivalent of FX-4320

Looking for a similar processor from Intel? The Intel Core i5-3335S offers comparable performance and features in the Intel lineup.

Intel Core i5-3335S

Intel β€’ 4 Cores

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