Phenom 9550 Benchmarks & Performance Report

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 Phenom 9550 based on all benchmark results gathered. Look at this like a meta score, you will find more specific workload ratings below.

4,393 Rank: 1412

Rank	Name	Score	Visual
1408	A8-6600K	4,394	+0%
1409	Core i7-860	4,394	+0%
1410	Athlon II X4 555	4,393	+0%
1411	A6-9500E	4,393	+0%
1412	Phenom 9550	4,393
1413	A8 PRO-7600B	4,391	+-0%
1414	Core i3-5010U	4,390	-0.1%
1415	Xeon Bronze 3106	4,389	-0.1%
1416	Intel Core i5-560M	4,389	-0.1%
1417	Pentium N6415	4,388	-0.1%

View full ranking →

Multicore Score

Multicore performance score for Phenom 9550 based on multi-threaded benchmark results.

4,463 Rank: 1297

Rank	Name	Score	Visual
1293	Core i7-6500U	4,464	+0%
1294	Celeron G3930TE	4,464	+0%
1295	Athlon II X4 645	4,464	+0%
1296	Phenom II X4 925	4,463	+0%
1297	Phenom 9550	4,463
1298	Xeon X5450	4,462	+-0%
1299	A8-7670K	4,461	+-0%
1300	FX-4100	4,461	+-0%
1301	Core i7-860	4,461	+-0%
1302	Pentium G3460	4,459	-0.1%

View full ranking →

Singlecore Score

Single-core performance score for Phenom 9550 based on single-threaded benchmark results.

4,347 Rank: 1442

Rank	Name	Score	Visual
1438	Core i3-550	4,351	+0.1%
1439	Core i7-2617M	4,350	+0.1%
1440	Core i7-860	4,349	+0%
1441	A8-6500	4,348	+0%
1442	Phenom 9550	4,347
1443	Xeon E5640	4,347	+0%
1444	Xeon W3540	4,347	+0%
1445	Pentium E6800	4,346	+-0%
1446	Phenom II X4 960T	4,344	-0.1%
1447	Xeon X5460	4,343	-0.1%

View full ranking →

Workload Scores

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

Number Crunching

Aggregated score for Phenom 9550 based on integer math, floating point math, and prime number computation benchmarks.

-- Rank: --

Number Crunching score not yet available.

View full ranking →

Data Processing

Aggregated score for Phenom 9550 based on data encryption, data compression, and string sorting benchmarks.

-- Rank: --

Data Processing score not yet available.

View full ranking →

Physics & Compute

Aggregated score for Phenom 9550 based on physics simulation and extended instruction set (SSE/AVX) benchmarks.

-- Rank: --

Physics & Compute score not yet available.

View full ranking →

Phenom 9550 Details

Ranking #1410 of 2060 in overall performance, the AMD Phenom 9550 sits firmly in the lower tier of modern CPU benchmarks as of March 2026. While it once offered capable multi-threaded performance for mainstream desktops, its 2007 origins place it well beyond relevance in today’s computing landscape. Designed on a 45 nm process and built around a dual-core architecture, the Phenom 9550 reflects an era when quad-core processors were just beginning to emerge, and integrated graphics were not yet standard. Despite its age, it retains some utility in legacy systems or low-demand applications.

The processor operates at a base clock of 3.16 GHz with a turbo frequency of 2.6 GHz and supports a 1333 MHz bus speed. It features a 65 W TDP and uses the LGA775 socket, a design now considered obsolete. With two cores and four threads enabled via Hyper-Threading, it offers modest multitasking capabilities, though its performance is constrained by its outdated microarchitecture. Cache-wise, it includes 128 KB of L1 cache, 1 MB of L2 cache, and a shared 2 MB L3 cache, typical of its generation. Memory support is limited to DDR3 and DDR3L with a maximum capacity of 16 GB and bandwidth capped at 25.6 GB/s across two channels.

Integrated graphics are provided by the Intel HD Graphics 5300, which operates at a base frequency of 300 MHz and can burst to 900 MHz. This GPU supports up to three displays and is suitable only for basic desktop use or light multimedia tasks. While not powerful by modern standards, it allows for a system without a discrete GPU, though performance in even casual gaming or video playback would be strained.

The Phenom 9550 supports a range of advanced technologies, including SSE4.1 and SSE4.2, AES encryption, x86-64, HT, EIST, TXT, vPro, VT-x, VT-d, EPT, Secure Key, SMEP, SIPP, IPT, TSX, Flex Memory, and FMA. These features, while impressive for their time, offer little advantage today given the processor's aging architecture. Benchmark results reflect its position: a single-core score of 4347 places it at #1442, while its multicore score of 4463 ranks it at #1296. Its overall score of 4393 underscores its modest performance relative to contemporary CPUs.

In the broader context of modern computing, the Phenom 9550 is a relic. Compared to the top performers like the Ryzen Threadripper PRO 9995WX or Core Ultra 9 285K, its performance gap is staggering—over 8,000 points in overall score. Even processors like the Athlon 200GE or Core i3-550 outperform it in both single- and multicore tasks. Its strongest category is single-core performance, where it holds a slight edge over older Xeons and Pentiums, but it is no match for current mainstream CPUs. For users seeking reliable performance, this processor is no longer suitable for anything beyond basic office work or retro computing. As of 2026, the Phenom 9550 is best viewed as a historical artifact rather than a practical choice for any modern system.