FX-4100

Details and Benchmarks for AMD FX-4100

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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-4100 based on all benchmark results gathered. Look at this like a meta score, you will find more specific workload ratings below.

4,551 Rank: 1234
Rank Name Score Visual
1230 Core i7-3667U 4,556
+0.1%
1231 Core i7-2715QE 4,554
+0.1%
1232 A10-6790K 4,554
+0.1%
1233 Athlon X4 845 4,551
+0%
1234 FX-4100 4,551
1235 Xeon W5590 4,550
+-0%
1236 Pentium 4417U 4,549
+-0%
1237 Xeon X5570 4,547
-0.1%
1238 Core i3-3220T 4,547
-0.1%
1239 Core i7-2620M 4,545
-0.1%

View full ranking →

Multicore Score

Multicore performance score for FX-4100 based on multi-threaded benchmark results.

4,461 Rank: 1300
Rank Name Score Visual
1296 Phenom II X4 925 4,463
+0%
1297 Phenom 9550 4,463
+0%
1298 Xeon X5450 4,462
+0%
1299 A8-7670K 4,461
+0%
1300 FX-4100 4,461
1301 Core i7-860 4,461
+0%
1302 Pentium G3460 4,459
+-0%
1303 FX-6100 4,459
+-0%
1304 Phenom II X4 905e 4,459
+-0%
1305 Core i7-930 4,459
+-0%

View full ranking →

Singlecore Score

Single-core performance score for FX-4100 based on single-threaded benchmark results.

4,611 Rank: 1209
Rank Name Score Visual
1205 Xeon X5470 4,615
+0.1%
1206 Xeon E3-1230 4,614
+0.1%
1207 Core i7-2620M 4,613
+0%
1208 Core i5-3210M 4,612
+0%
1209 FX-4100 4,611
1210 Core M-5Y31 4,609
+-0%
1211 Core i5-3335S 4,609
+-0%
1212 Xeon Gold 6252 4,607
-0.1%
1213 Xeon D-1557 4,607
-0.1%
1214 Core i3-7100U 4,607
-0.1%

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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-4100 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-4100 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-4100 based on physics simulation and extended instruction set (SSE/AVX) benchmarks.

-- Rank: --

Physics & Compute score not yet available.

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FX-4100 Details

Built on AMD's Zambezi microarchitecture and fabricated on a 45 nm process, the FX-4100 is a desktop processor that was launched in October 2011. Despite its age, it remains notable for its quad-core design and unlocked multiplier, which made it appealing to enthusiasts seeking overclocking headroom. The processor operates at a base clock of 2.26 GHz and can boost to 2.53 GHz under load, though it lacks modern efficiency features, resulting in a relatively high TDP of 80 W. This makes it a power-hungry option even by its era’s standards, requiring robust cooling solutions for sustained use.

The FX-4100 features 4 cores and 8 threads, a configuration that enables decent multitasking and performance in threaded applications. It supports up to 144 GB of DDR3 memory across three channels with a maximum rated speed of 1866 MT/s, though real-world performance may vary depending on motherboard and memory compatibility. The processor uses a dual-channel memory bus and supports PCIe 2.0 with up to 12 lanes, enabling connectivity with modern storage and expansion devices of the time. It is packaged in a µPGA socket with FCLGA1366, requiring compatible chipsets such as the AMD 700, 800, or 900 Series.

In terms of integrated graphics, the FX-4100 does not include a dedicated GPU, but certain motherboards with compatible chipsets may offer integrated graphics support through external solutions. This limitation means users typically require a discrete GPU for visual output. The CPU includes a 7.629 MiB L3 cache, which aids in reducing memory latency and improving data throughput for compute-intensive tasks. It also supports a range of instruction sets, including SSE, AVX, AVX2, AES-NI, and AMD-V, enabling efficient encryption, virtualization, and multimedia processing.

Benchmark results place the FX-4100 at an overall score of 4551, ranking it #1233 out of 2060 processors in the dataset. Its single-core score of 4611 positions it at #1209, indicating strong performance in unthreaded applications, while its multicore score of 4461 ranks it #1299, suggesting less competitive scaling in heavily threaded workloads. The processor trails behind modern offerings, particularly in the top 50 rankings, where scores exceed 7000, but it holds its own against older contemporaries like the Core i7-930 and Phenom II X4 925. This positions the FX-4100 as a capable mid-tier performer for its time, particularly in single-threaded scenarios.

As of March 2026, the FX-4100 is best suited for legacy systems or users maintaining older hardware for basic computing, gaming, or light productivity tasks. Its age and power consumption make it impractical for modern workloads, but its unlocked multiplier and robust memory support offer appeal to retro computing enthusiasts. While far from the performance leaders today, it represents a significant step in AMD's desktop processor evolution, paving the way for future high-performance architectures.
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AMD FX-4100

Main Specifications

Designer: AMD
Name: FX-4100
Model Number: E5520
Cores: 4
Threads: 8
Base Frequency: 2260 MHz
Clock Multiplier: 18x (unlocked)
Core Name: Zambezi
Socket: FCLGA1366
Package: µPGA
Target Segment: Desktop
Max CPUs: 2
TDP: 80 W

Cache Specifications

L3 Cache: 7.629 MiB

Memory Specifications

Supported Memory Type: DDR3 800/1066
Memory Channels: 3
Maximum Memory: 0 GB
Maximum Bandwidth: 25.6 GB/s
ECC Support: Yes

PCI-Express Specifications

PCIe Revision: 3.0
PCIe Lanes: 12
PCIe Configuration: 1x4, 2x2, 1x2+2x1 and 4x1

Integrated Graphics

GPU: HD Graphics 620
GPU Designer: Intel
GPU Max Frequency: 1000 MHz

Physical Specifications

Process: 45 nm
Die Area: 315 mm²
Manufacturer: GlobalFoundries
Word Size: 64-bit

CPU Features

MMX SSE SSE2 SSE3 SSSE3 SSE4.1 SSE4.2 AVX AVX2 AES CLMUL x86-64 HT EIST TXT vPro VT-x VT-d EPT Secure Key SMEP SIPP IPT SSE4a FMA4 AMD-V TSX Flex Memory FMA XOP
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