Athlon 300U vs Core 2 Extreme QX6850

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Aggregate performance score

Core 2 Extreme QX6850
4 cores / 4 threads, 130 Watt
1.44
Athlon 300U
2019
2 cores / 4 threads, 15 Watt
2.43
+68.8%

Athlon 300U outperforms Core 2 Extreme QX6850 by an impressive 69% based on our aggregate benchmark results.

Primary details

Comparing Core 2 Extreme (Desktop) QX6850 and Athlon 300U processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking21751759
Place by popularitynot in top-100not in top-100
Market segmentDesktop processorLaptop
SeriesCore 2 Extreme (Desktop)AMD Athlon
Power efficiency1.0515.33
Architecture codenameKentsfield (2007)Raven Ridge 2 (2019)
Release dateno data (2024 years ago)6 January 2019 (5 years ago)

Detailed specifications

Core 2 Extreme (Desktop) QX6850 and Athlon 300U 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)2 (Dual-core)
Threads44
Base clock speedno data2.4 GHz
Boost clock speed3 GHz3.3 GHz
Bus typeno dataPCIe 3.0
Bus rate1333 MHzno data
Multiplierno data24
L1 cacheno data128K (per core)
L2 cacheno data512K (per core)
L3 cacheno data4 MB (shared)
Chip lithography65 nm14 nm
Die sizeno data209.78 mm2
Number of transistorsno data4940 Million
64 bit support++
Windows 11 compatibility-+

Compatibility

Information on Core 2 Extreme (Desktop) QX6850 and Athlon 300U 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 (Uniprocessor)
Socketno dataFP5
Power consumption (TDP)130 Watt15 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Core 2 Extreme (Desktop) QX6850 and Athlon 300U. You'll probably need this information if you require some particular technology.

Instruction set extensionsno dataXFR, FMA3, SSE 4.2, AVX2, SMT
AES-NI-+
AVX-+

Virtualization technologies

Virtual machine speed-up technologies supported by Core 2 Extreme (Desktop) QX6850 and Athlon 300U are enumerated here.

AMD-V-+

Memory specs

Types, maximum amount and channel quantity of RAM supported by Core 2 Extreme (Desktop) QX6850 and Athlon 300U. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesno dataDDR4 Dual-channel
Maximum memory sizeno data64 GB
Max memory channelsno data2
Maximum memory bandwidthno data38.397 GB/s
ECC memory support-+

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics cardno dataAMD Radeon RX Vega 3 ( - 1000 MHz)

Peripherals

Specifications and connection of peripherals supported by Core 2 Extreme (Desktop) QX6850 and Athlon 300U.

PCIe versionno data3.0
PCI Express lanesno data12

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 QX6850 1.44
Athlon 300U 2.43
+68.8%

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 QX6850 2292
Athlon 300U 3867
+68.7%

Cinebench 10 32-bit single-core

Cinebench R10 is an ancient ray tracing benchmark for processors by Maxon, authors of Cinema 4D. Its single core version uses just one CPU thread to render a futuristic looking motorcycle.

Core 2 Extreme QX6850 3095
Athlon 300U 3968
+28.2%

Cinebench 10 32-bit multi-core

Cinebench Release 10 Multi Core is a variant of Cinebench R10 using all the processor threads. Possible number of threads is limited by 16 in this version.

Core 2 Extreme QX6850 10990
+26%
Athlon 300U 8724

Gaming performance

Pros & cons summary


Performance score 1.44 2.43
Physical cores 4 2
Chip lithography 65 nm 14 nm
Power consumption (TDP) 130 Watt 15 Watt

Core 2 Extreme QX6850 has 100% more physical cores.

Athlon 300U, on the other hand, has a 68.8% higher aggregate performance score, a 364.3% more advanced lithography process, and 766.7% lower power consumption.

The Athlon 300U is our recommended choice as it beats the Core 2 Extreme QX6850 in performance tests.

Note that Core 2 Extreme QX6850 is a desktop processor while Athlon 300U is a notebook one.


Should you still have questions on choice between Core 2 Extreme QX6850 and Athlon 300U, 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 Extreme QX6850
Core 2 Extreme QX6850
AMD Athlon 300U
Athlon 300U

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Community ratings

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


3.4 52 votes

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4.1 459 votes

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Questions & comments

Here you can ask a question about Core 2 Extreme QX6850 or Athlon 300U, agree or disagree with our judgements, or report an error or mismatch.