Phenom 9550

Details and Benchmarks for AMD Phenom 9550

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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 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%

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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%

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

-- Rank: --

Physics & Compute score not yet available.

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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.
Frequently Compared

Intel Celeron G530 7 views

AMD Ryzen 3 PRO 2200GE 4 views

AMD Ryzen 5 3500X 4 views

AMD Ryzen 5 PRO 3500U 4 views

AMD Ryzen 9 PRO 3900 3 views

Intel Xeon X3430 3 views

Intel Core i3-4030U 2 views

AMD A10-7400P 2 views

Intel Xeon W3505 2 views

Intel Core 2 Duo E8600 2 views

AMD Phenom 9550

Main Specifications

Designer: AMD
Name: Phenom 9550
Model Number: E8500
Cores: 2
Threads: 4
Base Frequency: 3160 MHz
Socket: LGA775
Max CPUs: 1
TDP: 65 W

Cache Specifications

Memory Specifications

Supported Memory Type: LPDDR3 1333/1600; DDR3L/DDR3L-RS 1600
Memory Channels: 2
Maximum Memory: 0 GB
Maximum Bandwidth: 25.6 GB/s
ECC Support: No

PCI-Express Specifications

PCIe Revision: 2.0
PCIe Lanes: 12
PCIe Configuration: x1 (6), x2 (4), x4 (3)

Integrated Graphics

GPU: HD Graphics 5300
GPU Designer: Intel
GPU Max Frequency: 900 MHz

Physical Specifications

Process: 45 nm
Word Size: 64-bit

CPU Features

SSE4.1 SSE4.2 AES x86-64 HT EIST TXT vPro VT-x VT-d EPT Secure Key SMEP SIPP IPT TSX Flex Memory FMA
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