Core 2 Extreme X7800 vs Core 2 Extreme X7900

VS

Aggregate performance score

Core 2 Extreme X7900
2007
2 cores / 2 threads, 44 Watt
0.70
Core 2 Extreme X7800
2007
2 cores / 2 threads, 44 Watt
0.72
+2.9%

Core 2 Extreme X7800 outperforms Core 2 Extreme X7900 by a minimal 3% based on our aggregate benchmark results.

Primary details

Comparing Core 2 Extreme X7900 and Core 2 Extreme X7800 processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking27242707
Place by popularitynot in top-100not in top-100
Market segmentLaptopLaptop
SeriesIntel Core 2 ExtremeIntel Core 2 Extreme
Power efficiency1.511.55
Architecture codenameMerom (2006−2008)Merom XE (2007)
Release date1 September 2007 (17 years ago)17 July 2007 (17 years ago)
Launch price (MSRP)$851$851

Detailed specifications

Core 2 Extreme X7900 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 speed2.8 GHz2.6 GHz
Boost clock speed2.8 GHz2.6 GHz
Bus rate800 MHz800 MHz
L1 cache128 KB128 KB
L2 cache4 MB4 MB
L3 cache0 KB4 MB L2 Cache
Chip lithography65 nm65 nm
Die size143 mm2143 mm2
Maximum core temperature100 °C100 °C
Number of transistorsno data291 Million
64 bit support++
Windows 11 compatibility--
VID voltage range1.1V-1.375V1.1V-1.375V

Compatibility

Information on Core 2 Extreme X7900 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.

Number of CPUs in a configuration1no data
SocketPPGA478PPGA478
Power consumption (TDP)44 Watt44 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Core 2 Extreme X7900 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--
Idle States-no data
Demand Based Switching--
AMT+no data
FSB parity--

Security technologies

Core 2 Extreme X7900 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 Extreme X7900 and Core 2 Extreme X7800 are enumerated here.

VT-x++

Memory specs

Types, maximum amount and channel quantity of RAM supported by Core 2 Extreme X7900 and Core 2 Extreme X7800. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesDDR1no 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 Extreme X7900 0.70
Core 2 Extreme X7800 0.72
+2.9%

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 Extreme X7900 1104
Core 2 Extreme X7800 1138
+3.1%

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 Extreme X7900 2449
+17.8%
Core 2 Extreme X7800 2079

Gaming performance

Pros & cons summary


Performance score 0.70 0.72
Recency 1 September 2007 17 July 2007

Core 2 Extreme X7900 has an age advantage of 1 month.

Core 2 Extreme X7800, on the other hand, has a 2.9% higher aggregate performance score.

Given the minimal performance differences, no clear winner can be declared between Core 2 Extreme X7900 and Core 2 Extreme X7800.


Should you still have questions on choice between Core 2 Extreme X7900 and Core 2 Extreme X7800, ask them in Comments section, and we shall answer.

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Intel Core 2 Extreme X7900
Core 2 Extreme X7900
Intel Core 2 Extreme X7800
Core 2 Extreme X7800

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Community ratings

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