Phenom II X4 B65 Benchmarks & Performance Report

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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 Phenom II X4 B65 based on all benchmark results gathered. Look at this like a meta score, you will find more specific workload ratings below.

4,477 Rank: 1311

Rank	Name	Score	Visual
1307	Core i3-4000M	4,480	+0.1%
1308	Phenom II X6 1065T	4,480	+0.1%
1309	Core M 5Y71	4,479	+0%
1310	Pentium J6426	4,478	+0%
1311	Phenom II X4 B65	4,477
1312	Phenom II X4 980	4,476	+-0%
1313	PRO A10-8770E	4,476	+-0%
1314	Xeon X5550	4,474	-0.1%
1315	Core i5-750	4,473	-0.1%
1316	Core i5-680	4,473	-0.1%

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Multicore Score

Multicore performance score for Phenom II X4 B65 based on multi-threaded benchmark results.

4,500 Rank: 1223

Rank	Name	Score	Visual
1219	Core i3-6100E	4,503	+0.1%
1220	Core i5-760	4,503	+0.1%
1221	Athlon X4 845	4,502	+0%
1222	Celeron G4930	4,500	+0%
1223	Phenom II X4 B65	4,500
1224	Pentium Gold G6400	4,500	+0%
1225	Core i7-7Y75	4,499	+-0%
1226	Xeon E3-1220	4,499	+-0%
1227	Core i5-7200U	4,498	+-0%
1228	Core i3-4360T	4,498	+-0%

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Singlecore Score

Single-core performance score for Phenom II X4 B65 based on single-threaded benchmark results.

4,461 Rank: 1326

Rank	Name	Score	Visual
1322	Pentium G850	4,467	+0.1%
1323	Pentium	4,465	+0.1%
1324	Core i5-750	4,465	+0.1%
1325	Pentium G3220T	4,463	+0%
1326	Phenom II X4 B65	4,461
1327	A10-5700	4,461	+0%
1328	Pentium G645	4,461	+0%
1329	Core i5-4300Y	4,461	+0%
1330	Core i7-970	4,461	+0%
1331	Core i7-880	4,460	+-0%

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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 Phenom II X4 B65 based on integer math, floating point math, and prime number computation benchmarks.

4,543 Rank: 1209

Rank	Name	Score	Visual
1205	Core i3-4150T	4,544	+0%
1206	Pentium G3258	4,543	+0%
1207	Pentium G3260	4,543	+0%
1208	Core i7-4600U	4,543	+0%
1209	Phenom II X4 B65	4,543
1210	A10-9620P	4,543	+0%
1211	Phenom II X4 B97	4,543	+0%
1212	Celeron G4930	4,542	+-0%
1213	Core i3-3210	4,542	+-0%
1214	Core i3-4130T	4,542	+-0%

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Data Processing

Aggregated score for Phenom II X4 B65 based on data encryption, data compression, and string sorting benchmarks.

4,559 Rank: 1027

Rank	Name	Score	Visual
1023	Core i5-3330S	4,560	+0%
1024	Athlon X4 845	4,560	+0%
1025	Pentium 6805	4,560	+0%
1026	Core i3-6100	4,559	+0%
1027	Phenom II X4 B65	4,559
1028	Core i7-7567U	4,558	+-0%
1029	Athlon X4 880K	4,558	+-0%
1030	Core i5-6400T	4,557	+-0%
1031	Pentium G4600	4,557	+-0%
1032	Xeon E5540	4,557	+-0%

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Physics & Compute

Aggregated score for Phenom II X4 B65 based on physics simulation and extended instruction set (SSE/AVX) benchmarks.

4,521 Rank: 1257

Rank	Name	Score	Visual
1253	FX-8800P	4,522	+0%
1254	Core i5-2450M	4,521	+0%
1255	Pentium G3450	4,521	+0%
1256	Pentium G3440	4,521	+0%
1257	Phenom II X4 B65	4,521
1258	Core i3-2120T	4,521	+0%
1259	Core i7-3517U	4,521	+0%
1260	Core i5-3437U	4,521	+0%
1261	Core i5-3337U	4,521	+0%
1262	Core i7-3689Y	4,521	+0%

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Phenom II X4 B65 Details

As of March 2026, the Phenom II X4 B65 represents a legacy processor from AMD, originally released during the late 2000s as part of the company’s push into high-performance desktop computing. Though now well over a decade old, it remains a notable example of AMD’s earlier efforts in multi-core performance, particularly in the context of its time. Despite its age, the Phenom II X4 B65 still holds relevance for budget systems or retro builds, where its 64-bit architecture and support for DDR3 memory provide a functional platform for light computing tasks. Its 22 nm manufacturing process, however, is significantly outdated by today’s standards, where modern nodes like 5 nm and 3 nm dominate high-end processors.

The processor features a 6-core design with 12 threads, built on AMD’s K10 microarchitecture, which was a significant step forward in multi-threaded performance at the time. It operates at a base frequency of 2.1 GHz, with a turbo frequency reaching 2.6 GHz, enabling reasonable responsiveness for basic applications and older software. The integrated GPU, labeled HD Graphics 4400, is actually a mislabeling in the data—this GPU is not part of the Phenom II line, which typically did not include integrated graphics. The listed GPU specifications likely belong to a different processor, possibly a misaligned entry in the dataset. The absence of a true integrated graphics solution means this CPU requires a discrete GPU for visual output.

In terms of memory, the Phenom II X4 B65 supports up to 768 GB of DDR3 memory across four channels, with a maximum bandwidth of 51.2 GB/s, which was competitive during its era. It operates on the FCLGA2011 socket, a high-end socket used for server and workstation platforms, indicating its intended use in more robust systems. The TDP of 80 W reflects moderate power consumption, though it is higher than modern low-power alternatives. It supports a range of instruction sets including SSE4.1, SSE4.2, AVX2, AES, and x86-64, ensuring compatibility with a broad range of software from its time.

Benchmark results place the Phenom II X4 B65 at an overall score of 4477, ranking it #1311 out of 2060 processors in the Passmark database. Its single-core score of 4461 and multicore score of 4500 suggest that while it performs decently in multi-threaded tasks, it lags significantly behind modern CPUs. It falls behind newer Intel and AMD offerings such as the Core i3-6100E and the Athlon X4 845, which offer higher performance despite similar core counts. Its weak point lies in single-threaded performance, where it trails behind many contemporary low-end processors.

Given its age and performance limitations, the Phenom II X4 B65 is best suited for legacy systems, light office use, or educational purposes where modern processing power is unnecessary. It has no place in modern gaming or content creation workflows, where even mid-tier CPUs today outperform it by a wide margin. While it was once a capable processor, it now serves more as a historical artifact than a practical choice for current computing needs.