FX-8100

Details and Benchmarks for AMD FX-8100

Sysbuilds Alpha Stage!

Please take all results with a big grain of salt. Sysbuilds is in alpha stage at the moment which can lead to wrong data, strange counting errors, silly results and more. This site is under active development.

Benchmark Results

Combined benchmark scores based on multiple data points, giving a quick overview of this processor's performance.

Overall Score

Overall score for FX-8100 based on all benchmark results gathered. Look at this like a meta score, you will find more specific workload ratings below.

5,164 Rank: 735
Rank Name Score Visual
731 Core i7 X 000 5,168
+0.1%
732 Core i3-1115G4 5,167
+0.1%
733 Core i5-6500 5,166
+0%
734 Xeon E5-2666 v3 5,166
+0%
735 FX-8100 5,164
736 Ryzen 5 4600HS 5,164
+0%
737 Ryzen 3 2200G 5,162
+-0%
738 Xeon E5-2687W v2 5,158
-0.1%
739 Xeon E5-2630 v3 5,157
-0.1%
740 Xeon Gold 6138 5,156
-0.2%

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Multicore Score

Multicore performance score for FX-8100 based on multi-threaded benchmark results.

4,586 Rank: 1111
Rank Name Score Visual
1107 A10-9700E 4,588
+0%
1108 Celeron N3010 4,587
+0%
1109 Core i5-6287U 4,586
+0%
1110 Core i3-4160 4,586
+0%
1111 FX-8100 4,586
1112 Xeon Bronze 3106 4,584
+-0%
1113 Core i3-8109U 4,582
-0.1%
1114 Core i7-6560U 4,582
-0.1%
1115 Core i5-3340 4,581
-0.1%
1116 Core i7-7660U 4,580
-0.1%

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Singlecore Score

Single-core performance score for FX-8100 based on single-threaded benchmark results.

5,549 Rank: 519
Rank Name Score Visual
515 Xeon E5-2643 v4 5,551
+0%
516 Core i7-8559U 5,550
+0%
517 Xeon E3-1575M v5 5,550
+0%
518 Core i5-6600T 5,550
+0%
519 FX-8100 5,549
520 Ryzen 5 1600X 5,546
-0.1%
521 Core i7-4790 5,545
-0.1%
522 Xeon Gold 6150 5,544
-0.1%
523 Xeon Gold 6142M 5,544
-0.1%
524 Core i5-10400 5,539
-0.2%

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Workload Scores

Performance scores grouped by workload type, normalized and aggregated from multiple raw benchmark results.

Number Crunching

Aggregated score for FX-8100 based on integer math, floating point math, and prime number computation benchmarks.

-- Rank: --

Number Crunching score not yet available.

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Data Processing

Aggregated score for FX-8100 based on data encryption, data compression, and string sorting benchmarks.

-- Rank: --

Data Processing score not yet available.

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Physics & Compute

Aggregated score for FX-8100 based on physics simulation and extended instruction set (SSE/AVX) benchmarks.

-- Rank: --

Physics & Compute score not yet available.

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FX-8100 Details

Ranking #735 of 2060 in overall performance, the AMD FX-8100 represents a significant step back in modern computing, having been released in October 2011. As of March 2026, this processor is over 14 years old, placing it firmly in the realm of legacy hardware. Despite its age, the FX-8100 remains a notable example of AMD’s early attempts to deliver high-core-count desktop processors for mainstream users, particularly in the enthusiast and content creation segments of the time. Built on the 32 nm process and based on the Zambezi microarchitecture, the FX-8100 features eight cores and eight threads, a configuration that was ambitious for its era. It operates at a base frequency of 2.8 GHz with a turbo boost up to 3.7 GHz, making it one of the few desktop processors of its time to offer such a high clock speed boost. The chip is packaged in µPGA with a Socket AM3+ and has a TDP of 95 W, which required adequate cooling solutions due to its power consumption. The FX-8100 includes 7.629 MiB of L3 cache, which was substantial for a consumer-grade CPU in 2011, and supports DDR3 memory in a dual-channel configuration.

In terms of performance, the FX-8100 achieves a single-core score of 5549, ranking #519 out of 2060 processors, and a multicore score of 4586, placing it #1109 in the multicore hierarchy. Its overall score of 5164 reflects a system that was once competitive but now falls well behind modern processors. The single-core performance is notably strong relative to its peers from that time, with scores comparable to Intel's Core i7-4790 and Ryzen 5 1600X, though it lags behind more recent designs. However, its multicore performance, while respectable in 2011, is now significantly outpaced by current-generation CPUs. The FX-8100 is competitive with some modern budget processors like the Ryzen 3 2200G and Xeon E5-2687W v2, but the gap in performance is evident when compared to the top 50 processors, where scores exceed 7,000 and often reach over 9,000 in multicore workloads.

The FX-8100 includes support for a wide array of instruction sets, including AVX, AES-NI, and AMD-V, which enhance performance in encryption, virtualization, and multimedia applications. It also supports SMT, though it is not enabled by default, and features an unlocked multiplier, allowing for straightforward overclocking. While the processor does not have integrated graphics, certain motherboards with compatible chipsets can provide this functionality. The lack of modern architectural advancements such as high-efficiency cores and advanced power management makes the FX-8100 less suitable for modern workloads, especially in power-sensitive environments.

Given its age and performance profile, the AMD FX-8100 is best suited for legacy systems, retro computing projects, or as a budget option in non-demanding environments. It may still serve well in basic office tasks or light multimedia use, but it cannot compete with today’s processors in gaming, content creation, or high-performance computing. Its relevance today is largely historical, illustrating the evolution of CPU design over the past decade and a half.
Frequently Compared

Intel Core 2 Duo E8600 37 views

Intel Intel Celeron J3060 37 views

Intel Atom Z520 35 views

AMD Ryzen 5 3600 34 views

AMD Ryzen 9 PRO 3900 34 views

AMD Ryzen 5 3500X 34 views

Intel Xeon W3503 34 views

AMD Ryzen 3 PRO 2200GE 32 views

AMD A10-5757M 32 views

Intel Xeon W3505 30 views

AMD FX-8100

Main Specifications

Designer: AMD
Name: FX-8100
Cores: 8
Threads: 8
Base Frequency: 2800 MHz
Clock Multiplier: 14x (unlocked)
Core Name: Zambezi
Socket: Socket AM3+
Package: µPGA
Target Segment: Desktop
TDP: 95 W

Cache Specifications

L3 Cache: 7.629 MiB

Memory Specifications

Supported Memory Type: DDR3

Physical Specifications

Process: 32 nm
Die Area: 315 mm²

CPU Features

MMX SSE SSE2 SSE3 SSSE3 SSE4.1 SSE4.2 AVX AES CLMUL SSE4a FMA4 AMD-V XOP
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