Intel Core 2 Extreme X7800 vs Core 2 Duo T9550

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Combined performance score

Core 2 Duo T9550
1.17
+58.1%

Core 2 Duo T9550 outperforms Core 2 Extreme X7800 by 58% in our combined benchmark results.

General info

Comparing Core 2 Duo T9550 and Core 2 Extreme X7800 processor market type (desktop or notebook), architecture, sales start time and price.

Place in performance ranking22222530
Place by popularitynot in top-100not in top-100
Market segmentLaptopLaptop
SeriesIntel Core 2 DuoIntel Core 2 Extreme
Architecture codenamePenryn (2008−2011)Merom XE (2007)
Release date1 January 2009 (15 years old)17 July 2007 (16 years old)
Launch price (MSRP)$316$851
Current price$72 (0.2x MSRP)$299 (0.4x MSRP)

Technical specs

Core 2 Duo T9550 and Core 2 Extreme X7800 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)2 (Dual-core)
Threads22
Base clock speed2.66 GHz2.6 GHz
Boost clock speed2.66 GHz2.6 GHz
Bus support1066 MHz800 MHz
L1 cache128 KB128 KB
L2 cache6 MB4 MB
L3 cache6 MB L2 Cache4 MB L2 Cache
Chip lithography45 nm65 nm
Die size107 mm2143 mm2
Maximum core temperature105 °C100 °C
Number of transistors410 Million291 Million
64 bit support++
Windows 11 compatibility--
Unlocked multiplierNoNo
VID voltage range1.05V-1.212V1.1V-1.375V

Compatibility

Information on Core 2 Duo T9550 and Core 2 Extreme X7800 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.

SocketBGA479,PGA478PPGA478
Power consumption (TDP)35 Watt44 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Core 2 Duo T9550 and Core 2 Extreme X7800. You'll probably need this information if you require some particular technology.

Enhanced SpeedStep (EIST)++
Turbo Boost Technology--
Hyper-Threading Technology--
Demand Based Switching--
FSB parity--
StatusDiscontinuedDiscontinued

Security technologies

Core 2 Duo T9550 and Core 2 Extreme X7800 technologies aimed at improving security, for example, by protecting against hacks.

TXT+-
EDB++

Virtualization technologies

Virtual machine speed-up technologies supported by Core 2 Duo T9550 and Core 2 Extreme X7800 are enumerated here.

VT-x++

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 T9550 1.17
+58.1%
Core 2 Extreme X7800 0.74

Core 2 Duo T9550 outperforms Core 2 Extreme X7800 by 58% in our combined benchmark results.


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.

Benchmark coverage: 68%

Core 2 Duo T9550 1804
+58.5%
Core 2 Extreme X7800 1138

Core 2 Duo T9550 outperforms Core 2 Extreme X7800 by 59% in Passmark.

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.

Benchmark coverage: 19%

Core 2 Duo T9550 2385
+14.7%
Core 2 Extreme X7800 2079

Core 2 Duo T9550 outperforms Core 2 Extreme X7800 by 15% in 3DMark06 CPU.

Gaming performance

Advantages and disadvantages


Performance score 1.17 0.74
Recency 1 January 2009 17 July 2007
Cost $316 $851
Chip lithography 45 nm 65 nm
Power consumption (TDP) 35 Watt 44 Watt

The Core 2 Duo T9550 is our recommended choice as it beats the Core 2 Extreme X7800 in performance tests.


Should you still have questions on choice between Core 2 Duo T9550 and Core 2 Extreme X7800, ask them in Comments section, and we shall answer.

User ratings

Do you think we are right or mistaken in our choice? Vote by clicking "Like" button near your favorite CPU.


Intel Core 2 Duo T9550
Core 2 Duo T9550
Intel Core 2 Extreme X7800
Core 2 Extreme X7800

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Questions and comments

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