FX-4320

Details and Benchmarks for AMD FX-4320

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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-4320 based on all benchmark results gathered. Look at this like a meta score, you will find more specific workload ratings below.

4,515 Rank: 1275
Rank Name Score Visual
1271 Core i5-4210U 4,519
+0.1%
1272 Core i5-L16G7 4,518
+0.1%
1273 Core i5-3210M 4,517
+0%
1274 Xeon X3450 4,515
+0%
1275 FX-4320 4,515
1276 Celeron G3900T 4,512
-0.1%
1277 A10-6700 4,511
-0.1%
1278 FX-6200 4,509
-0.1%
1279 FX-6350 4,508
-0.2%
1280 Xeon W3520 4,508
-0.2%

View full ranking →

Multicore Score

Multicore performance score for FX-4320 based on multi-threaded benchmark results.

4,498 Rank: 1232
Rank Name Score Visual
1228 Core i3-4360T 4,498
+0%
1229 Core i3-4160T 4,498
+0%
1230 Core i5-3335S 4,498
+0%
1231 Core i7-965 4,498
+0%
1232 FX-4320 4,498
1233 Core i7-2610UE 4,497
+-0%
1234 Intel Core i7-720QM 4,496
+-0%
1235 Core i5-4258U 4,495
-0.1%
1236 Pentium J4205 4,494
-0.1%
1237 Core i5-3470T 4,494
-0.1%

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Singlecore Score

Single-core performance score for FX-4320 based on single-threaded benchmark results.

4,526 Rank: 1265
Rank Name Score Visual
1261 Athlon II X2 265 4,533
+0.2%
1262 Xeon L5639 4,532
+0.1%
1263 Xeon E5-2450 v2 4,530
+0.1%
1264 Xeon Bronze 3204 4,526
+0%
1265 FX-4320 4,526
1266 Phenom II X6 1100T 4,523
-0.1%
1267 A10-6700 4,523
-0.1%
1268 Xeon E3-1265L v2 4,523
-0.1%
1269 Celeron G3900 4,522
-0.1%
1270 Core i3-6100H 4,522
-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-4320 based on integer math, floating point math, and prime number computation benchmarks.

4,593 Rank: 982
Rank Name Score Visual
978 A10-7890K 4,593
+0%
979 Xeon W3520 4,593
+0%
980 Core i5-3335S 4,593
+0%
981 Xeon E5630 4,593
+0%
982 FX-4320 4,593
983 Core i5-2400 4,592
+-0%
984 Core i7-920 4,592
+-0%
985 Xeon L5638 4,591
+-0%
986 Xeon E5620 4,590
-0.1%
987 Pentium Gold G6400 4,590
-0.1%

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Data Processing

Aggregated score for FX-4320 based on data encryption, data compression, and string sorting benchmarks.

4,542 Rank: 1095
Rank Name Score Visual
1091 Core i5-7267U 4,542
+0%
1092 Core i3-8145U 4,542
+0%
1093 Core i3-4330 4,542
+0%
1094 Phenom II X4 850 4,542
+0%
1095 FX-4320 4,542
1096 A10 PRO-7800B 4,542
+0%
1097 Core i7-860S 4,541
+-0%
1098 PRO A8-8650B 4,541
+-0%
1099 Core i7-7560U 4,540
+-0%
1100 Core i3-6100T 4,540
+-0%

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Physics & Compute

Aggregated score for FX-4320 based on physics simulation and extended instruction set (SSE/AVX) benchmarks.

4,542 Rank: 1148
Rank Name Score Visual
1144 Xeon D-1602 4,542
+0%
1145 A10-9700 4,542
+0%
1146 Phenom II X6 1055T 4,542
+0%
1147 Core i3-7020U 4,542
+0%
1148 FX-4320 4,542
1149 Athlon X4 870K 4,542
+0%
1150 Ryzen Embedded R1505G 4,541
+-0%
1151 Core i5-7Y54 4,541
+-0%
1152 Core i5-2560M 4,541
+-0%
1153 Core i5-4350U 4,541
+-0%

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FX-4320 Details

The AMD FX-4320, launched in October 2012, represents a significant evolution in AMD's desktop processor lineup, particularly in its focus on raw clock speeds and unlocked multipliers. While it may seem outdated by today’s standards, its design philosophy emphasized high-frequency single-threaded performance and user-friendly overclocking, a stark contrast to modern multi-core-centric architectures. Built on the 32 nm process using the Vishera microarchitecture, the FX-4320 was fabricated by GlobalFoundries and marked a continuation of AMD's attempt to compete in the high-performance desktop market with a focus on consumer-level overclocking and thermal performance. At a time when Intel was already shifting toward more power-efficient designs, AMD doubled down on clock speed, delivering a processor that could reach up to 4.2 GHz under load.

The FX-4320 features four cores and four threads, operating at a base frequency of 4.0 GHz with a turbo boost of 4.2 GHz, making it one of the fastest consumer-grade processors of its era. It supports dual-channel DDR3 memory up to 1866 MT/s and includes a substantial 7.629 MiB of L3 cache, which was among the largest for its time. The chip operates at a TDP of 95 W, requiring adequate cooling, and is compatible with Socket AM3+ motherboards. It supports a wide range of instruction sets, including AVX, AES-NI, and AMD-V, enabling robust performance in both productivity and virtualization environments. While the processor lacks integrated graphics, some motherboards with compatible chipsets could provide this capability.

In benchmark testing, the FX-4320 scores 4515 in the Overall Score, ranking #1274 out of 2060 processors. Its single-core performance reaches 4526, placing it at #1264, while its multicore score of 4498 lands it at #1227. These results indicate that the FX-4320 performs in line with mid-tier processors from the early 2010s, particularly in single-threaded applications. It outperforms some older Xeon and Core i7 models, such as the Core i7-720QM and Xeon E3-1265L v2, but trails behind modern processors in both single-core and multicore performance. The processor's strength lies in its high clock speed, which gives it an edge in legacy applications and games that rely heavily on single-threaded performance.

Despite its age, the FX-4320 remains a viable option for budget builds or retro systems where integrated graphics and overclocking flexibility are priorities. However, its performance is now overshadowed by modern processors from both AMD and Intel, which offer superior efficiency, multi-core scalability, and advanced features. As of March 2026, the FX-4320 is best suited for niche use cases such as retro gaming, light office work, or as a secondary system where power consumption and cooling are less critical. Its legacy is one of ambition—aiming to challenge Intel with raw clock speeds—though it ultimately fell short in the long-term battle for market dominance.
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AMD FX-4320

Main Specifications

Designer: AMD
Name: FX-4320
Cores: 4
Threads: 4
Base Frequency: 4000 MHz
Clock Multiplier: 20x (unlocked)
Core Name: Vishera
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
Manufacturer: GlobalFoundries

CPU Features

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