Core 2 Quad Q9550 vs Core 2 Duo E7300

Aggregate performance score

Core 2 Duo E7300
2008
2 cores / 2 threads, 65 Watt
0.59
Core 2 Quad Q9550
2008
4 cores / 4 threads, 95 Watt
1.47
+149%

Core 2 Quad Q9550 outperforms Core 2 Duo E7300 by a whopping 149% based on our aggregate benchmark results.

Primary details

Comparing Core 2 Duo E7300 and Core 2 Quad (Desktop) Q9550 processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking28122170
Place by popularitynot in top-100not in top-100
Market segmentDesktop processorDesktop processor
Seriesno dataCore 2 Quad (Desktop)
Power efficiency0.861.46
Architecture codenameWolfdale (2008−2010)Yorkfield (2007−2009)
Release dateAugust 2008 (16 years ago)no data

Detailed specifications

Core 2 Duo E7300 and Core 2 Quad (Desktop) Q9550 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 cores2 (Dual-core)4 (Quad-Core)
Threads24
Base clock speed2.66 GHzno data
Boost clock speed2.67 GHz2.83 GHz
Bus rate1066 MHz1333 MHz
L1 cache64 KB64K (per core)
L2 cache3 MB (shared)12288 KB
L3 cache0 KB0 KB
Chip lithography45 nm45 nm
Die size107 mm22x 107 mm2
Maximum case temperature (TCase)74 °C71 °C
Number of transistors420 million820 million
64 bit support++
Windows 11 compatibility--
VID voltage range0.85V-1.3625Vno data

Compatibility

Information on Core 2 Duo E7300 and Core 2 Quad (Desktop) Q9550 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
SocketLGA775LGA775
Power consumption (TDP)65 Watt95 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Core 2 Duo E7300 and Core 2 Quad (Desktop) Q9550. You'll probably need this information if you require some particular technology.

Enhanced SpeedStep (EIST)++
Turbo Boost Technology-no data
Hyper-Threading Technology-no data
Idle States+no data
Thermal Monitoring+-
Demand Based Switching-no data
FSB parity-no data

Security technologies

Core 2 Duo E7300 and Core 2 Quad (Desktop) Q9550 technologies aimed at improving security, for example, by protecting against hacks.

TXT-no data
EDB+no data

Virtualization technologies

Virtual machine speed-up technologies supported by Core 2 Duo E7300 and Core 2 Quad (Desktop) Q9550 are enumerated here.

VT-x-no data

Memory specs

Types, maximum amount and channel quantity of RAM supported by Core 2 Duo E7300 and Core 2 Quad (Desktop) Q9550. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesDDR1, DDR2, DDR3DDR1,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 Duo E7300 0.59
Core 2 Quad Q9550 1.47
+149%

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 Duo E7300 942
Core 2 Quad Q9550 2338
+148%

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 Duo E7300 309
Core 2 Quad Q9550 370
+19.7%

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 Duo E7300 506
Core 2 Quad Q9550 1038
+105%

Gaming performance

Pros & cons summary


Performance score 0.59 1.47
Physical cores 2 4
Threads 2 4
Power consumption (TDP) 65 Watt 95 Watt

Core 2 Duo E7300 has 46.2% lower power consumption.

Core 2 Quad Q9550, on the other hand, has a 149.2% higher aggregate performance score, and 100% more physical cores and 100% more threads.

The Core 2 Quad Q9550 is our recommended choice as it beats the Core 2 Duo E7300 in performance tests.


Should you still have questions on choice between Core 2 Duo E7300 and Core 2 Quad Q9550, ask them in Comments section, and we shall answer.

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Intel Core 2 Duo E7300
Core 2 Duo E7300
Intel Core 2 Quad Q9550
Core 2 Quad Q9550

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Community ratings

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


3.5 163 votes

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4.1 1876 votes

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Questions & comments

Here you can ask a question about Core 2 Duo E7300 or Core 2 Quad Q9550, agree or disagree with our judgements, or report an error or mismatch.