Core 2 Duo T9900 vs Core 2 Quad Q9505

VS

Aggregate performance score

Core 2 Quad Q9505
2009
4 cores / 4 threads, 95 Watt
1.37
+82.7%
Core 2 Duo T9900
2009
2 cores / 2 threads, 35 Watt
0.75

Core 2 Quad Q9505 outperforms Core 2 Duo T9900 by an impressive 83% based on our aggregate benchmark results.

Primary details

Comparing Core 2 Quad Q9505 and Core 2 Duo T9900 processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking22442668
Place by popularitynot in top-100not in top-100
Market segmentDesktop processorLaptop
Seriesno dataIntel Core 2 Duo
Power efficiency1.362.03
Architecture codenameYorkfield (2007−2009)Penryn (2008−2011)
Release date2009 (15 years ago)2 June 2009 (15 years ago)
Launch price (MSRP)no data$530

Detailed specifications

Core 2 Quad Q9505 and Core 2 Duo T9900 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 GHz3.06 GHz
Boost clock speed0.83 GHz0.07 GHz
Bus rate1333 MHz1066 MHz
L1 cache64 KB (per core)64 KB (per core)
L2 cache6 MB (shared)6 MB (shared)
L3 cache6 MB L2 Cache6 MB L2 Cache
Chip lithography45 nm45 nm
Die size164 mm2107 mm2
Maximum core temperatureno data105 °C
Maximum case temperature (TCase)71 °Cno data
Number of transistors456 million410 million
64 bit support++
Windows 11 compatibility--
VID voltage range0.85V-1.3625V1.05V-1.2125V

Compatibility

Information on Core 2 Quad Q9505 and Core 2 Duo T9900 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
SocketFCLGA775,LGA775BGA479,PGA478
Power consumption (TDP)95 Watt35 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Core 2 Quad Q9505 and Core 2 Duo T9900. You'll probably need this information if you require some particular technology.

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

Security technologies

Core 2 Quad Q9505 and Core 2 Duo T9900 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 Q9505 and Core 2 Duo T9900 are enumerated here.

VT-d+no data
VT-x++

Memory specs

Types, maximum amount and channel quantity of RAM supported by Core 2 Quad Q9505 and Core 2 Duo T9900. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesDDR1, DDR2, DDR3DDR2, DDR3

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics cardOn certain motherboards (Chipset feature)On certain motherboards (Chipset feature)

Peripherals

Specifications and connection of peripherals supported by Core 2 Quad Q9505 and Core 2 Duo T9900.

PCIe version2.0no 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 Q9505 1.37
+82.7%
Core 2 Duo T9900 0.75

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 Q9505 2171
+82.6%
Core 2 Duo T9900 1189

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 Q9505 361
Core 2 Duo T9900 399
+10.5%

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 Q9505 1062
+65.7%
Core 2 Duo T9900 641

Gaming performance

Pros & cons summary


Performance score 1.37 0.75
Physical cores 4 2
Threads 4 2
Power consumption (TDP) 95 Watt 35 Watt

Core 2 Quad Q9505 has a 82.7% higher aggregate performance score, and 100% more physical cores and 100% more threads.

Core 2 Duo T9900, on the other hand, has 171.4% lower power consumption.

The Core 2 Quad Q9505 is our recommended choice as it beats the Core 2 Duo T9900 in performance tests.

Note that Core 2 Quad Q9505 is a desktop processor while Core 2 Duo T9900 is a notebook one.


Should you still have questions on choice between Core 2 Quad Q9505 and Core 2 Duo T9900, ask them in Comments section, and we shall answer.

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Intel Core 2 Quad Q9505
Core 2 Quad Q9505
Intel Core 2 Duo T9900
Core 2 Duo T9900

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Community ratings

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4.2 46 votes

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4.3 136 votes

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Questions & comments

Here you can ask a question about Core 2 Quad Q9505 or Core 2 Duo T9900, agree or disagree with our judgements, or report an error or mismatch.