Core 2 Duo E8500 vs Core 2 Duo P9500

Aggregate performance score

Core 2 Duo P9500
2008
2 cores / 2 threads, 25 Watt
0.63
Core 2 Duo E8500
2008
2 cores / 2 threads, 65 Watt
0.80
+27%

Core 2 Duo E8500 outperforms Core 2 Duo P9500 by a significant 27% based on our aggregate benchmark results.

Primary details

Comparing Core 2 Duo P9500 and Core 2 Duo E8500 processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking27712596
Place by popularitynot in top-100not in top-100
Market segmentLaptopDesktop processor
SeriesIntel Core 2 Duono data
Power efficiency2.381.16
Architecture codenamePenryn (2008−2011)Wolfdale (2008−2010)
Release date15 July 2008 (16 years ago)January 2008 (16 years ago)
Launch price (MSRP)$348no data

Detailed specifications

Core 2 Duo P9500 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 speed2.53 GHz3.16 GHz
Boost clock speed2.53 GHz3.17 GHz
Bus rate1066 MHz1333 MHz
L1 cache128 KB64 KB
L2 cache6 MB6 MB (shared)
L3 cache6 MB L2 Cache0 KB
Chip lithography45 nm45 nm
Die size107 mm2107 mm2
Maximum core temperature105 °Cno data
Maximum case temperature (TCase)no data72 °C
Number of transistors410 Million410 million
64 bit support++
Windows 11 compatibility--
VID voltage rangeno data0.85V-1.3625V

Compatibility

Information on Core 2 Duo P9500 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 configurationno data1
SocketBGA479,PBGA479,PGA478LGA775
Power consumption (TDP)25 Watt65 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Core 2 Duo P9500 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--
FSB parity--

Security technologies

Core 2 Duo P9500 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 Duo P9500 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 Duo P9500 and Core 2 Duo E8500. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesno dataDDR1, 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 P9500 0.63
Core 2 Duo E8500 0.80
+27%

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 P9500 993
Core 2 Duo E8500 1278
+28.7%

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 P9500 343
Core 2 Duo E8500 388
+13.1%

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 P9500 583
Core 2 Duo E8500 636
+9.1%

Gaming performance

Pros & cons summary


Performance score 0.63 0.80
Power consumption (TDP) 25 Watt 65 Watt

Core 2 Duo P9500 has 160% lower power consumption.

Core 2 Duo E8500, on the other hand, has a 27% higher aggregate performance score.

The Core 2 Duo E8500 is our recommended choice as it beats the Core 2 Duo P9500 in performance tests.

Be aware that Core 2 Duo P9500 is a notebook processor while Core 2 Duo E8500 is a desktop one.


Should you still have questions on choice between Core 2 Duo P9500 and Core 2 Duo E8500, ask them in Comments section, and we shall answer.

Vote for your favorite

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


Intel Core 2 Duo P9500
Core 2 Duo P9500
Intel Core 2 Duo E8500
Core 2 Duo E8500

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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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3.8 624 votes

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Questions & comments

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