FX-8140

Details and Benchmarks for AMD FX-8140

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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-8140 based on all benchmark results gathered. Look at this like a meta score, you will find more specific workload ratings below.

5,484 Rank: 496
Rank Name Score Visual
492 Core i7-9700E 5,489
+0.1%
493 Xeon E5-1650 v3 5,488
+0.1%
494 Core i5-9600 5,486
+0%
495 Xeon E3-1245 v6 5,484
+0%
496 FX-8140 5,484
497 Ryzen 5 4500 5,480
-0.1%
498 Core i7-4790K 5,474
-0.2%
499 Ryzen 5 4600U 5,471
-0.2%
500 Xeon Silver 4309Y 5,471
-0.2%
501 Core i3-10300 5,469
-0.3%

View full ranking →

Multicore Score

Multicore performance score for FX-8140 based on multi-threaded benchmark results.

4,651 Rank: 1030
Rank Name Score Visual
1026 FX-6200 4,653
+0%
1027 Celeron B800 4,652
+0%
1028 Xeon X3470 4,652
+0%
1029 Phenom II X6 1045T 4,651
+0%
1030 FX-8140 4,651
1031 Core i7-2720QM 4,650
+-0%
1032 Core i5-2310 4,650
+-0%
1033 Core i3-4340 4,649
+-0%
1034 Xeon E3-1235L v5 4,648
-0.1%
1035 Core i5-3350P 4,647
-0.1%

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Singlecore Score

Single-core performance score for FX-8140 based on single-threaded benchmark results.

6,040 Rank: 254
Rank Name Score Visual
250 Xeon E-2124 6,043
+0%
251 Ryzen 7 6800HS 6,043
+0%
252 Xeon E-2244G 6,042
+0%
253 Xeon E3-1280 v6 6,040
+0%
254 FX-8140 6,040
255 Core i5-7640X 6,038
+-0%
256 Core i7-10700F 6,034
-0.1%
257 Core i9-9820X 6,032
-0.1%
258 Core i5-10600KF 6,028
-0.2%
259 Core i7-10700K 6,027
-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-8140 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-8140 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-8140 based on physics simulation and extended instruction set (SSE/AVX) benchmarks.

-- Rank: --

Physics & Compute score not yet available.

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FX-8140 Details

Ranking #495 of 2060 in overall performance, the AMD FX-8140 sits well below the current top tier of processors but remains a notable entry from the early 2010s. Launched in October 2012, this eight-core CPU is built on AMD's Zambezi architecture and represents a significant step in the company's push toward high-core-count desktop processors. Despite its age, the FX-8140 still holds relevance in certain legacy systems or budget builds where integrated graphics and multi-threaded performance are valued.

The FX-8140 operates at a base clock of 3.2 GHz and can reach a turbo frequency of up to 4.1 GHz, making it one of the higher-clocked processors of its generation. It features 8 MB of L3 cache, a 32 nm manufacturing process, and a 95 W TDP, which necessitates adequate cooling due to its power consumption. The processor uses the Socket AM3+ interface, a design that was common during the early years of the DDR3 memory era. While it lacks integrated graphics in its base configuration, some motherboards with compatible chipsets can enable basic graphics functionality through chipset support.

In terms of performance, the FX-8140 scores 5,484 in the overall benchmark, placing it ahead of several modern processors such as the Ryzen 5 4500 and Core i7-4790K, but well behind current-generation offerings. Its single-core score of 6,040 ranks it #253 of 2060, indicating strong performance in single-threaded tasks relative to its peers. However, its multicore score of 4,651, ranking #1,029, reveals a more modest performance in multi-threaded applications, where it trails behind many newer CPUs. This suggests the processor’s strength lies in its ability to handle individual workloads efficiently rather than sustained, parallel processing.

The FX-8140 supports a range of modern instruction sets, including AVX, AES, SSE4.1, and SSE4.2, along with AMD-V for virtualization and FMA4 for advanced mathematical operations. These features make it suitable for a variety of workloads, from basic computing to moderate multimedia editing. However, the lack of simultaneous multithreading and the absence of ECC memory support limit its appeal in professional or server environments.

As of March 2026, the FX-8140 is best suited for users maintaining older systems or those seeking a cost-effective, multi-core solution for non-demanding tasks. While it no longer competes with modern high-performance CPUs, it remains a reliable option for general productivity, light gaming, and legacy software compatibility.
Frequently Compared

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AMD Phenom 9750 3 views

Intel Core i5-4258U 3 views

AMD FX-8140

Main Specifications

Designer: AMD
Name: FX-8140
Cores: 8
Threads: 8
Base Frequency: 3200 MHz
Clock Multiplier: 16x (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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