Athlon II X4 645 vs Core 2 Quad Q9100

VS

Aggregate performance score

Core 2 Quad Q9100
2008
4 cores / 4 threads, 45 Watt
1.21
Athlon II X4 645
2010
4 cores / 4 threads, 95 Watt
1.48
+22.3%

Athlon II X4 645 outperforms Core 2 Quad Q9100 by a significant 22% based on our aggregate benchmark results.

Primary details

Comparing Core 2 Quad Q9100 and Athlon II X4 645 processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking23452167
Place by popularitynot in top-100not in top-100
Cost-effectiveness evaluationno data3.30
Market segmentLaptopDesktop processor
SeriesCore 2 Quadno data
Power efficiency2.541.47
Architecture codenamePenryn (2008−2011)Propus (2009−2011)
Release dateAugust 2008 (16 years ago)21 September 2010 (14 years ago)
Launch price (MSRP)no data$80

Cost-effectiveness evaluation

Performance per price, higher is better.

no data

Detailed specifications

Core 2 Quad Q9100 and Athlon II X4 645 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)4 (Quad-Core)
Threads44
Base clock speed2.26 GHz3.1 GHz
Boost clock speed2.26 GHz3.1 GHz
Bus rate1066 MHzno data
L1 cache64 KB128 KB (per core)
L2 cache6 MB (per die)512 KB (per core)
L3 cache0 KB0 KB
Chip lithography45 nm45 nm
Die size2x 107 mm2169 mm2
Maximum core temperature100 °Cno data
Number of transistorsno data300 million
64 bit support++
Windows 11 compatibility--
VID voltage range1.05V-1.175Vno data

Compatibility

Information on Core 2 Quad Q9100 and Athlon II X4 645 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 configuration21
SocketPGA478AM3
Power consumption (TDP)45 Watt95 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Core 2 Quad Q9100 and Athlon II X4 645. You'll probably need this information if you require some particular technology.

Enhanced SpeedStep (EIST)+no data
Turbo Boost Technology-no data
Hyper-Threading Technology-no data
Demand Based Switching-no data
AMT+no data
FSB parity-no data

Security technologies

Core 2 Quad Q9100 and Athlon II X4 645 technologies aimed at improving security, for example, by protecting against hacks.

TXT+no data
EDB+no data

Virtualization technologies

Virtual machine speed-up technologies supported by Core 2 Quad Q9100 and Athlon II X4 645 are enumerated here.

VT-x+no data

Memory specs

Types, maximum amount and channel quantity of RAM supported by Core 2 Quad Q9100 and Athlon II X4 645. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesno dataDDR3

Peripherals

Specifications and connection of peripherals supported by Core 2 Quad Q9100 and Athlon II X4 645.

PCIe versionno data2.0

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 Q9100 1.21
Athlon II X4 645 1.48
+22.3%

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 Q9100 1915
Athlon II X4 645 2351
+22.8%

Gaming performance

Pros & cons summary


Performance score 1.21 1.48
Power consumption (TDP) 45 Watt 95 Watt

Core 2 Quad Q9100 has 111.1% lower power consumption.

Athlon II X4 645, on the other hand, has a 22.3% higher aggregate performance score.

The Athlon II X4 645 is our recommended choice as it beats the Core 2 Quad Q9100 in performance tests.

Be aware that Core 2 Quad Q9100 is a notebook processor while Athlon II X4 645 is a desktop one.


Should you still have questions on choice between Core 2 Quad Q9100 and Athlon II X4 645, ask them in Comments section, and we shall answer.

Vote for your favorite

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Intel Core 2 Quad Q9100
Core 2 Quad Q9100
AMD Athlon II X4 645
Athlon II X4 645

Similar processor comparisons

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Community ratings

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


3.8 47 votes

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3.8 394 votes

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Questions & comments

Here you can ask a question about Core 2 Quad Q9100 or Athlon II X4 645, agree or disagree with our judgements, or report an error or mismatch.