AMD

AMD FX-8100

AMD processor specifications and benchmark scores

8
Cores
8
Threads
3.7
GHz Boost
95W
TDP
๐Ÿ”“Unlocked ๐Ÿ–ฅ๏ธIntegrated GPU

AMD FX-8100 Specifications

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FX-8100 Core Configuration

Processing cores and threading

The AMD FX-8100 features 8 physical cores and 8 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
8
Threads
8
SMP CPUs
1
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FX-8100 Clock Speeds

Base and boost frequencies

Clock speed is a critical factor in FX-8100 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-8100 by AMD can dynamically adjust its frequency based on workload and thermal headroom.

Base Clock
2.8 GHz
Boost Clock
3.7 GHz
Multiplier
14x ๐Ÿ”“
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AMD's FX-8100 Cache Hierarchy

L1, L2, L3 cache sizes

Cache memory is ultra-fast storage built directly into the FX-8100 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-8100's cache configuration is optimized for both gaming performance and productivity workloads, minimizing data fetch delays during intensive computations.

L1 Cache
384 KB
L2 Cache
8 MB
L3 Cache
8 MB (shared)
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Bulldozer Architecture & Process

Manufacturing and design details

The AMD FX-8100 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-8100 incorporate advanced branch prediction and out-of-order execution for optimal performance.

Architecture
Bulldozer
Codename
Zambezi
Process Node
32 nm
Transistors
1,200 million
Die Size
315 mmยฒ
Generation
FX (Zambezi)
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Bulldozer Instruction Set Features

Supported CPU instructions and extensions

The FX-8100 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
FMA4
XOP
AMD64
AMD-V
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FX-8100 Power & Thermal

TDP and power specifications

The AMD FX-8100 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
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AMD Socket AM3+ Platform & Socket

Compatibility information

The FX-8100 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+
PCIe
Gen 2
Package
ยตPGA
DDR5

AMD Socket AM3+ Memory Support

RAM compatibility and speeds

Memory support specifications for the FX-8100 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-8100 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
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AMD's FX-8100 Integrated Graphics

Built-in GPU specifications

The AMD FX-8100 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-8100 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)
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FX-8100 Product Information

Release and pricing details

The AMD FX-8100 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-8100 by AMD offers a specific balance of performance, features, and cost within AMD's product lineup.

Manufacturer
AMD
Release Date
Oct 2011
Market
Desktop
Status
End-of-life
Part Number
FD8100WMW8KGU

FX-8100 Benchmark Scores

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No benchmark data available for this CPU.

About AMD FX-8100

The AMD FX-8100 features eight cores on a single die, but its module architecture pairs two integer units per floating-point unit, yielding eight threads in total. This configuration prioritizes heavily parallel workloads, where the eight integer cores can handle concurrent tasks effectively. Clock speeds begin at 2.80 GHz, with a maximum turbo frequency of 3.70 GHz that opportunistically boosts when thermal and power headroom permit. The 95W TDP and 32 nm process node influenced AMD's conservative base clock to manage thermals across the AM3+ socket. For bursty, lightly threaded scenarios, the Zambezi silicon leverages the 900 MHz turbo range to improve responsiveness. However, the fixed 8 MB L3 cache shared across modules introduces latency in cross-core communication, affecting per-core efficiency compared to designs with dedicated caches. Energy efficiency remains a focal point, as the 95W envelope trades raw IPC for throughput, making the FX-8100 better suited to sustained multi-threaded jobs than bursty single-thread tasks. The L1 and L2 caches are distributed per module, with 128 KB L1 and 2 MB L2 per module, optimizing bandwidth for integer pipelines but potentially straining shared floating-point operations. In practice, this cache hierarchy favors server-style workloads such as virtualization, encoding, and batch processing, where core count trumps per-thread speed. For gaming or lightly threaded productivity, the 2.80 GHz base and 3.70 GHz turbo can struggle against contemporary CPUs with higher IPC and larger per-core caches. The shared L3 and module topology also mean that memory-sensitive tasks may encounter higher latencies than on monolithic designs. Overall, the AMD FX-8100 delivers a cost-effective eight-core platform for parallelizable tasks, provided workloads can exploit its integer throughput and tolerate the architectural tradeoffs.

The Intel Equivalent of FX-8100

Looking for a similar processor from Intel? The Intel Core i5-2430M offers comparable performance and features in the Intel lineup.

Intel Core i5-2430M

Intel โ€ข 2 Cores

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