Core 2 Duo U7500 vs Core 2 Quad Q9550

Aggregate performance score

Core 2 Quad Q9550
2008
4 cores / 4 threads, 95 Watt
1.47
+488%
Core 2 Duo U7500
2006
2 cores / 2 threads, 10 Watt
0.25

Core 2 Quad Q9550 outperforms Core 2 Duo U7500 by a whopping 488% based on our aggregate benchmark results.

Primary details

Comparing Core 2 Quad (Desktop) Q9550 and Core 2 Duo U7500 processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking21703171
Place by popularitynot in top-100not in top-100
Market segmentDesktop processorLaptop
SeriesCore 2 Quad (Desktop)Intel Core 2 Duo
Power efficiency1.462.37
Architecture codenameYorkfield (2007−2009)Merom-2048 (2006−2008)
Release dateno data27 July 2006 (18 years ago)

Detailed specifications

Core 2 Quad (Desktop) Q9550 and Core 2 Duo U7500 basic parameters such as number of cores, number of threads, base frequency and turbo boost clock, lithography, cache size and multiplier lock state. These parameters indirectly say of CPU speed, though for more precise assessment you have to consider their test results.

Physical cores4 (Quad-Core)2 (Dual-core)
Threads42
Base clock speedno data1.06 GHz
Boost clock speed2.83 GHz1.06 GHz
Bus rate1333 MHz533 MHz
L1 cache64K (per core)64 KB
L2 cache12288 KB2 MB
L3 cache0 KB0 KB
Chip lithography45 nm65 nm
Die size2x 107 mm2143 mm2
Maximum core temperatureno data100 °C
Maximum case temperature (TCase)71 °Cno data
Number of transistors820 million291 Million
64 bit support++
Windows 11 compatibility--
VID voltage rangeno data0.8V-0.975V

Compatibility

Information on Core 2 Quad (Desktop) Q9550 and Core 2 Duo U7500 compatibility with other computer components: motherboard (look for socket type), power supply unit (look for power consumption) etc. Useful when planning a future computer configuration or upgrading an existing one. Note that power consumption of some processors can well exceed their nominal TDP, even without overclocking. Some can even double their declared thermals given that the motherboard allows to tune the CPU power parameters.

Number of CPUs in a configuration11
SocketLGA775PBGA479
Power consumption (TDP)95 Watt10 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Core 2 Quad (Desktop) Q9550 and Core 2 Duo U7500. You'll probably need this information if you require some particular technology.

Enhanced SpeedStep (EIST)++
Turbo Boost Technologyno data-

Security technologies

Core 2 Quad (Desktop) Q9550 and Core 2 Duo U7500 technologies aimed at improving security, for example, by protecting against hacks.

EDBno data+

Virtualization technologies

Virtual machine speed-up technologies supported by Core 2 Quad (Desktop) Q9550 and Core 2 Duo U7500 are enumerated here.

VT-xno data+

Memory specs

Types, maximum amount and channel quantity of RAM supported by Core 2 Quad (Desktop) Q9550 and Core 2 Duo U7500. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesDDR1,DDR2,DDR3no data

Synthetic benchmark performance

Various benchmark results of the processors in comparison. Overall score is measured in points in 0-100 range, higher is better.


Combined synthetic benchmark score

This is our combined benchmark performance rating. We are regularly improving our combining algorithms, but if you find some perceived inconsistencies, feel free to speak up in comments section, we usually fix problems quickly.

Core 2 Quad Q9550 1.47
+488%
Core 2 Duo U7500 0.25

Passmark

Passmark CPU Mark is a widespread benchmark, consisting of 8 different types of workload, including integer and floating point math, extended instructions, compression, encryption and physics calculation. There is also one separate single-threaded scenario measuring single-core performance.

Core 2 Quad Q9550 2338
+496%
Core 2 Duo U7500 392

Cinebench 10 32-bit single-core

Cinebench R10 is an ancient ray tracing benchmark for processors by Maxon, authors of Cinema 4D. Its single core version uses just one CPU thread to render a futuristic looking motorcycle.

Core 2 Quad Q9550 3106
+178%
Core 2 Duo U7500 1116

Cinebench 10 32-bit multi-core

Cinebench Release 10 Multi Core is a variant of Cinebench R10 using all the processor threads. Possible number of threads is limited by 16 in this version.

Core 2 Quad Q9550 10825
+448%
Core 2 Duo U7500 1976

3DMark06 CPU

3DMark06 is a discontinued DirectX 9 benchmark suite from Futuremark. Its CPU part contains two scenarios, one dedicated to artificial intelligence pathfinding, another to game physics using PhysX package.

Core 2 Quad Q9550 4230
+383%
Core 2 Duo U7500 875

Gaming performance

Pros & cons summary


Performance score 1.47 0.25
Physical cores 4 2
Threads 4 2
Chip lithography 45 nm 65 nm
Power consumption (TDP) 95 Watt 10 Watt

Core 2 Quad Q9550 has a 488% higher aggregate performance score, 100% more physical cores and 100% more threads, and a 44.4% more advanced lithography process.

Core 2 Duo U7500, on the other hand, has 850% lower power consumption.

The Core 2 Quad Q9550 is our recommended choice as it beats the Core 2 Duo U7500 in performance tests.

Note that Core 2 Quad Q9550 is a desktop processor while Core 2 Duo U7500 is a notebook one.


Should you still have questions on choice between Core 2 Quad Q9550 and Core 2 Duo U7500, ask them in Comments section, and we shall answer.

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Intel Core 2 Quad Q9550
Core 2 Quad Q9550
Intel Core 2 Duo U7500
Core 2 Duo U7500

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Community ratings

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4.1 1876 votes

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Questions & comments

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