Core 2 Duo E8500 vs Core 2 Extreme X7900

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Aggregate performance score

Core 2 Extreme X7900
2007
2 cores / 2 threads, 44 Watt
0.70
Core 2 Duo E8500
2008
2 cores / 2 threads, 65 Watt
0.81
+15.7%

Core 2 Duo E8500 outperforms Core 2 Extreme X7900 by a moderate 16% based on our aggregate benchmark results.

Primary details

Comparing Core 2 Extreme X7900 and Core 2 Duo E8500 processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking27242610
Place by popularitynot in top-100not in top-100
Market segmentLaptopDesktop processor
SeriesIntel Core 2 Extremeno data
Power efficiency1.501.18
Architecture codenameMerom (2006−2008)Wolfdale (2008−2010)
Release date1 September 2007 (17 years ago)January 2008 (16 years ago)
Launch price (MSRP)$851no data

Detailed specifications

Core 2 Extreme X7900 and Core 2 Duo E8500 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 GHz3.16 GHz
Boost clock speed2.8 GHz3.17 GHz
Bus rate800 MHz1333 MHz
L1 cache128 KB64 KB
L2 cache4 MB6 MB (shared)
L3 cache0 KB0 KB
Chip lithography65 nm45 nm
Die size143 mm2107 mm2
Maximum core temperature100 °Cno data
Maximum case temperature (TCase)no data72 °C
Number of transistorsno data410 million
64 bit support++
Windows 11 compatibility--
VID voltage range1.1V-1.375V0.85V-1.3625V

Compatibility

Information on Core 2 Extreme X7900 and Core 2 Duo E8500 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
SocketPPGA478LGA775
Power consumption (TDP)44 Watt65 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Core 2 Extreme X7900 and Core 2 Duo E8500. 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--
AMT+no data
FSB parity--

Security technologies

Core 2 Extreme X7900 and Core 2 Duo E8500 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 Duo E8500 are enumerated here.

VT-dno data+
VT-x++

Memory specs

Types, maximum amount and channel quantity of RAM supported by Core 2 Extreme X7900 and Core 2 Duo E8500. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesDDR1DDR1, 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 Extreme X7900 0.70
Core 2 Duo E8500 0.81
+15.7%

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 Duo E8500 1281
+16%

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 Extreme X7900 387
Core 2 Duo E8500 389
+0.5%

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 Extreme X7900 625
Core 2 Duo E8500 638
+2.1%

Gaming performance

Pros & cons summary


Performance score 0.70 0.81
Chip lithography 65 nm 45 nm
Power consumption (TDP) 44 Watt 65 Watt

Core 2 Extreme X7900 has 47.7% lower power consumption.

Core 2 Duo E8500, on the other hand, has a 15.7% higher aggregate performance score, and a 44.4% more advanced lithography process.

The Core 2 Duo E8500 is our recommended choice as it beats the Core 2 Extreme X7900 in performance tests.

Be aware that Core 2 Extreme X7900 is a notebook processor while Core 2 Duo E8500 is a desktop one.


Should you still have questions on choice between Core 2 Extreme X7900 and Core 2 Duo E8500, 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 Duo E8500
Core 2 Duo E8500

Similar processor comparisons

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Community ratings

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


4.7 6 votes

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3.8 630 votes

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Questions & comments

Here you can ask a question about Core 2 Extreme X7900 or Core 2 Duo E8500, agree or disagree with our judgements, or report an error or mismatch.