Core 2 Quad Q9550

Details and Benchmarks for Intel Core 2 Quad Q9550

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 Core 2 Quad Q9550 based on all benchmark results gathered. Look at this like a meta score, you will find more specific workload ratings below.

4,279 Rank: 1550
Rank Name Score Visual
1546 A10-6700T 4,282
+0.1%
1547 Athlon II X2 255 4,281
+0%
1548 A4-5300B 4,281
+0%
1549 Phenom II X4 830 4,279
+0%
1550 Core 2 Quad Q9550 4,279
1551 Celeron 3955U 4,278
+-0%
1552 Core i3-2328M 4,277
+-0%
1553 A8-3850 4,277
+-0%
1554 Core i5-540M 4,276
-0.1%
1555 Phenom II X4 B95 4,276
-0.1%

View full ranking →

Multicore Score

Multicore performance score for Core 2 Quad Q9550 based on multi-threaded benchmark results.

4,228 Rank: 1967
Rank Name Score Visual
1963 Core i3-4005U 4,229
+0%
1964 Core 2 Duo T6670 4,229
+0%
1965 Turion X2 Ultra Mobile ZM-82 4,229
+0%
1966 Core 2 Duo P9300 4,228
+0%
1967 Core 2 Quad Q9550 4,228
1968 Athlon II P340 4,227
+-0%
1969 Pentium T4500 4,226
+-0%
1970 Sempron 140 4,226
+-0%
1971 Core 2 Duo T5850 4,225
-0.1%
1972 Core 2 Duo E4400 4,225
-0.1%

View full ranking →

Singlecore Score

Single-core performance score for Core 2 Quad Q9550 based on single-threaded benchmark results.

4,313 Rank: 1475
Rank Name Score Visual
1471 Phenom II X6 1045T 4,321
+0.2%
1472 Core i7-620M 4,321
+0.2%
1473 Pentium 4 3.80GHz 4,320
+0.2%
1474 Pentium G2020T 4,314
+0%
1475 Core 2 Quad Q9550 4,313
1476 Intel Core i7-620LM 4,312
+-0%
1477 A8-6500B 4,311
+-0%
1478 Xeon E5530 4,309
-0.1%
1479 A6-5400K 4,309
-0.1%
1480 A6-5400B 4,309
-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 Core 2 Quad Q9550 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 Core 2 Quad Q9550 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 Core 2 Quad Q9550 based on physics simulation and extended instruction set (SSE/AVX) benchmarks.

-- Rank: --

Physics & Compute score not yet available.

View full ranking →

Core 2 Quad Q9550 Details

The Intel Core 2 Quad Q9550 stands as a notable example of early quad-core desktop computing, released in March 2008 during a pivotal shift toward multi-core performance. Built on the Yorkfield architecture and fabricated on a 45 nm process, this processor marked a significant leap in performance over its predecessors, though it now represents a generation of hardware that is over 15 years old. Despite its age, the Q9550 remains relevant in historical discussions of desktop CPU evolution, particularly for its role in establishing quad-core capabilities in mainstream consumer platforms.

Featuring four cores and a base clock of 2.833 GHz, the Q9550 operates at a multiplier of 8.5x and is socketed on LGA 775, a widely adopted platform at the time. It includes 12 MB of L2 cache, distributed across the four cores, and supports DDR1, DDR2, and DDR3 memory through a dual-channel interface. The processor has a thermal design power (TDP) of 95 W, which was substantial for its era and required robust cooling solutions. While lacking integrated graphics, it benefits from chipset-based graphics support on certain motherboards, allowing for basic visual output without a discrete GPU.

In terms of features, the Q9550 supports a range of instruction sets including MMX, SSE, SSE2, SSE3, SSE4.1, and virtualization technologies such as VT-x and TXT. It also includes EIST for power management, making it more efficient than earlier models. However, the locked clock multiplier limits overclocking potential, a design choice common in Intel’s mainstream offerings of that period.

Benchmarking data places the Q9550 with an overall score of 4279, ranking it #1549 out of 2060 processors in the dataset. Its single-core performance scores 4313, placing it at #1475, while its multicore score of 4228 ranks it #1966. These results position it below most modern processors, with even entry-level current-generation CPUs outperforming it in both single- and multi-threaded workloads. In the top 50 rankings, the Q9550 falls far behind leaders like the Ryzen Threadripper PRO 9995WX and Core Ultra 9 285K, which achieve over 9,000 points in overall performance.

Despite its outdated architecture and limited capabilities by today’s standards, the Q9550 was a high-end processor in its time, capable of handling demanding tasks for office productivity, multimedia editing, and early gaming workloads. Its performance is now comparable to low-end modern mobile processors, but it remains a benchmark for understanding the trajectory of CPU development. As of March 2026, the Q9550 serves primarily as a historical reference point, with little practical use in contemporary computing environments.
Frequently Compared

AMD Athlon II X2 265 3 views

AMD Ryzen 5 3600 2 views

AMD Phenom 9650 2 views

Intel Core i3-4030U 2 views

AMD A10-4600M 2 views

AMD A10-7400P 2 views

AMD A6-5400K 2 views

AMD Phenom II X2 560 2 views

AMD Ryzen 7 2700E 2 views

AMD Ryzen 3 PRO 2200GE 1 view

Intel Core 2 Quad Q9550

Main Specifications

Designer: Intel
Name: Core 2 Quad Q9550
Cores: 4
Threads: 4
Base Frequency: 2833 MHz
Clock Multiplier: 8.5xx (locked)
Core Name: Yorkfield
Socket: Socket 775
Package: FC-LGA6
Target Segment: Desktop
TDP: 95 W

Cache Specifications

L1 Cache: 62.464 KiB
L2 Cache: 11.444 MiB

Memory Specifications

Supported Memory Type: DDR1, DDR2, DDR3

Physical Specifications

Process: 45 nm
Die Area: 107 mm²
Transistor Count: 0.00 billion
Manufacturer: Intel

CPU Features

MMX SSE SSE2 SSE3 SSE4.1 EIST TXT VT-x
Related News

AMD Unveils Ryzen 9 9950X3D2 with 192MB L3 Cache – and Pragmata Reveals Switch 2 Performance Gap vs. PS5

AMD has unveiled the Ryzen 9 9950X3D2, a 16-core CPU with dual 3D V-Cache and a total of 192 MB L3 cache, available star...

2 sources · 1 week ago

Intel Nova Lake-S with 44 Cores? Leak Suggests Cache Strategy Shift and New Wildcat Lake Generation

A leak suggests Intel's Nova Lake-S processors may shift from 42 to 44 cores, indicating a change in tile configuration...

2 sources · 4 days ago

AMD Ryzen 9 9950X3D2 Dual Edition Available Before Launch – Lenovo Unveils New Legion Gaming Tablets

The AMD Ryzen 9 9950X3D2 Dual Edition with dual 3D V-Cache is already available ahead of its official launch on April 22...

2 sources · 3 days ago

Intel Launches Core Series 3 'Wildcat Lake' – New AI-Powered CPUs for Budget Laptops and Edge Devices

Intel has officially launched the Core Series 3 'Wildcat Lake', a new CPU lineup for budget laptops and edge devices fea...

3 sources · 4 days ago

Intel Core Ultra 400 'Nova Lake': New Desktop CPUs with Up to 52 Cores and 288 MB Cache Unveiled

Intel is set to launch the Core Ultra 400 series, codenamed Nova Lake, for desktop systems featuring up to 52 cores and...

3 sources · 6 days ago

Login

Forgot your password?

Your experience on this site will be improved by allowing cookies.