Core 2 Duo T9550

Details and Benchmarks for Intel Core 2 Duo T9550

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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 Core 2 Duo T9550 based on all benchmark results gathered. Look at this like a meta score, you will find more specific workload ratings below.

3,851 Rank: 1991
Rank Name Score Visual
1987 Pentium 4 3.00GHz 3,858
+0.2%
1988 Intel Atom x7-E3950 3,857
+0.2%
1989 Atom Z3740 3,856
+0.1%
1990 Pentium N3510 3,852
+0%
1991 Core 2 Duo T9550 3,851
1992 Intel Atom x5-Z8500 3,850
+-0%
1993 E1-1200 3,850
+-0%
1994 Atom D525 3,850
+-0%
1995 Athlon X2 BE-2400 3,849
-0.1%
1996 Atom Z3775 3,847
-0.1%

View full ranking →

Multicore Score

Multicore performance score for Core 2 Duo T9550 based on multi-threaded benchmark results.

4,168 Rank: 2027
Rank Name Score Visual
2023 Pentium E5200 4,179
+0.3%
2024 Athlon X2 QL-60 4,179
+0.3%
2025 Intel Core i7-840QM 4,178
+0.2%
2026 Core 2 Duo T7700 4,173
+0.1%
2027 Core 2 Duo T9550 4,168
2028 Core 2 Duo U9600 4,168
+0%
2029 Xeon E3110 4,166
+-0%
2030 Core 2 Quad Q9400 4,164
-0.1%
2031 Core i5-4300Y 4,161
-0.2%
2032 Core 2 Duo P8400 4,155
-0.3%

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Singlecore Score

Single-core performance score for Core 2 Duo T9550 based on single-threaded benchmark results.

3,640 Rank: 1967
Rank Name Score Visual
1963 Pentium J2900 3,647
+0.2%
1964 E-450 3,647
+0.2%
1965 Atom x5-Z8500 3,646
+0.2%
1966 A8-4555M 3,643
+0.1%
1967 Core 2 Duo T9550 3,640
1968 Athlon II X2 260u 3,637
-0.1%
1969 Turion X2 Ultra Mobile ZM-82 3,630
-0.3%
1970 Intel Core i3-370M 3,620
-0.5%
1971 Pentium N3520 3,619
-0.6%
1972 Intel Pentium J3710 3,618
-0.6%

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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 Core 2 Duo T9550 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 Core 2 Duo T9550 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 Core 2 Duo T9550 based on physics simulation and extended instruction set (SSE/AVX) benchmarks.

-- Rank: --

Physics & Compute score not yet available.

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Core 2 Duo T9550 Details

The Intel Core 2 Duo T9550 stands as a relic of the late 2000s mobile computing era, launched in December 2008 with a focus on efficiency and integrated graphics for its time. Built on the 45 nm Penryn microarchitecture, this dual-core processor was designed for mobile laptops and offered a base clock of 2.66 GHz with a 1066 MHz front-side bus. Its 6 MB of L2 cache and dual-channel DDR3 memory support provided solid performance for productivity and multimedia tasks during its lifespan. Despite being released over 15 years ago, the T9550 remains notable for its relatively high clock speed and low 35 W TDP, which allowed it to run in compact systems without excessive heat generation.

The processor’s integrated Intel HD Graphics, capable of running at 500 MHz, provided basic graphical performance suitable for office applications and light video playback. While not designed for gaming or modern content creation, this GPU enabled users to avoid the cost and power draw of a discrete graphics card. The T9550’s support for a wide range of Intel chipsets—such as GS45, GM45, and PM45—made it a versatile option for a range of laptops from the late 2000s. However, its 64-bit x86-64 architecture and support for advanced instruction sets like SSE4.1 and AES-NI were limited compared to today’s standards.

In benchmark testing, the Core 2 Duo T9550 achieved an Overall Score of 3851, placing it at #1991 out of 2060 processors. Its Singlecore Score of 3640 ranked it at #1967, while its Multicore Score of 4168 placed it at #2027. These results reflect the processor’s capabilities in a modern context, where it trails far behind contemporary CPUs. For instance, the top-ranked processor in the multicore list, the Ryzen Threadripper PRO 9995WX, scores over three times higher, highlighting the massive leap in computing power over the past decade.

Despite its age, the T9550 held its own against some of its contemporaries, such as the Core 2 Duo T7700 and the Core i5-4300Y. However, it was outperformed by higher-end models like the Core i7-840QM and the Xeon E3110, which offered superior clock speeds and newer architectures. In comparison to modern processors, the T9550 is now a niche choice, suitable only for legacy systems, educational purposes, or embedded applications where minimal power consumption and basic functionality are prioritized.

As of March 2026, the Intel Core 2 Duo T9550 serves as a historical artifact, illustrating the evolution of mobile processors. While it was once a capable and efficient CPU for its time, it is now obsolete for mainstream use. Its legacy lies in its role in the transition to 64-bit computing and the widespread adoption of integrated graphics in laptops. For users seeking modern performance, the T9550’s capabilities are no longer sufficient, but it remains a testament to Intel’s innovation during the Penryn era.
Frequently Compared

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Intel Core 2 Duo T9550

Main Specifications

Designer: Intel
Name: Core 2 Duo T9550
Model Number: T9550
Cores: 2
Threads: 2
Base Frequency: 2660 MHz
Clock Multiplier: 10x (locked)
Core Name: Penryn
Socket: BGA479, PGA478
Package: µFC-PGA8
Target Segment: Mobile
Max CPUs: 1
TDP: 35 W

Cache Specifications

L1 Cache: 62.464 KiB
L2 Cache: 5.722 MiB

Memory Specifications

Supported Memory Type: DDR3 800/1066
Memory Channels: 2
Maximum Memory: 0 GB
Maximum Bandwidth: 17.1 GB/s
ECC Support: No

PCI-Express Specifications

PCIe Revision: 2.0
PCIe Lanes: 1
PCIe Configuration: 1x16

Integrated Graphics

GPU: HD Graphics
GPU Designer: Intel
GPU Max Frequency: 667 MHz

Physical Specifications

Process: 45 nm
Die Area: 107 mm²
Transistor Count: 0.00 billion
Manufacturer: Intel
Word Size: 64-bit

CPU Features

MMX SSE SSE2 SSE3 SSSE3 SSE4.1 SSE4.2 AVX2 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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