Core 2 Duo E6550 vs Core 2 Quad Q9500

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Aggregate performance score

Core 2 Quad Q9500
4 cores / 4 threads, 95 Watt
1.40
+146%
Core 2 Duo E6550
2007
2 cores / 2 threads, 65 Watt
0.57

Core 2 Quad Q9500 outperforms Core 2 Duo E6550 by a whopping 146% based on our aggregate benchmark results.

Primary details

Comparing Core 2 Quad Q9500 and Core 2 Duo E6550 processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking22252835
Place by popularitynot in top-100not in top-100
Market segmentDesktop processorDesktop processor
Power efficiency1.390.83
Architecture codenameno dataConroe (2006−2007)
Release dateno dataJuly 2007 (17 years ago)

Detailed specifications

Core 2 Quad Q9500 and Core 2 Duo E6550 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 speed2.83 GHz2.33 GHz
Boost clock speedno data2.33 GHz
Bus rate1333 MHz1333 MHz
L1 cacheno data64 KB
L2 cacheno data4 MB
L3 cache6 MB L2 Cache0 KB
Chip lithography45 nm65 nm
Die sizeno data143 mm2
Maximum core temperature71 °C72 °C
Number of transistorsno data291 million
64 bit support++
Windows 11 compatibility--
VID voltage range0.85V-1.3625V0.85V-1.5V

Compatibility

Information on Core 2 Quad Q9500 and Core 2 Duo E6550 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 configurationno data1
SocketLGA775PLGA775
Power consumption (TDP)95 Watt65 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Core 2 Quad Q9500 and Core 2 Duo E6550. You'll probably need this information if you require some particular technology.

Enhanced SpeedStep (EIST)++
Turbo Boost Technology--
Hyper-Threading Technology--
Idle States++
Thermal Monitoring++
Demand Based Switching--
FSB parityno data-

Security technologies

Core 2 Quad Q9500 and Core 2 Duo E6550 technologies aimed at improving security, for example, by protecting against hacks.

TXT-+
EDB++

Virtualization technologies

Virtual machine speed-up technologies supported by Core 2 Quad Q9500 and Core 2 Duo E6550 are enumerated here.

VT-x++

Memory specs

Types, maximum amount and channel quantity of RAM supported by Core 2 Quad Q9500 and Core 2 Duo E6550. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesno dataDDR1, DDR2, DDR3

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 Q9500 1.40
+146%
Core 2 Duo E6550 0.57

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 Q9500 2224
+148%
Core 2 Duo E6550 898

GeekBench 5 Single-Core

GeekBench 5 Single-Core is a cross-platform application developed in the form of CPU tests that independently recreate certain real-world tasks with which to accurately measure performance. This version uses only a single CPU core.

Core 2 Quad Q9500 362
+39.2%
Core 2 Duo E6550 260

GeekBench 5 Multi-Core

GeekBench 5 Multi-Core is a cross-platform application developed in the form of CPU tests that independently recreate certain real-world tasks with which to accurately measure performance. This version uses all available CPU cores.

Core 2 Quad Q9500 1008
+134%
Core 2 Duo E6550 431

Gaming performance

Pros & cons summary


Performance score 1.40 0.57
Physical cores 4 2
Threads 4 2
Chip lithography 45 nm 65 nm
Power consumption (TDP) 95 Watt 65 Watt

Core 2 Quad Q9500 has a 145.6% higher aggregate performance score, 100% more physical cores and 100% more threads, and a 44.4% more advanced lithography process.

Core 2 Duo E6550, on the other hand, has 46.2% lower power consumption.

The Core 2 Quad Q9500 is our recommended choice as it beats the Core 2 Duo E6550 in performance tests.


Should you still have questions on choice between Core 2 Quad Q9500 and Core 2 Duo E6550, ask them in Comments section, and we shall answer.

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Intel Core 2 Quad Q9500
Core 2 Quad Q9500
Intel Core 2 Duo E6550
Core 2 Duo E6550

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Community ratings

Here you can see how users rate the processors, as well as rate them yourself.


4.6 1225 votes

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3.3 367 votes

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Questions & comments

Here you can ask a question about Core 2 Quad Q9500 or Core 2 Duo E6550, agree or disagree with our judgements, or report an error or mismatch.