Core 2 Extreme QX9300 vs Core i3-8350K

Aggregate performance score

Core i3-8350K
2017
4 cores / 4 threads, 91 Watt
4.33
+280%
Core 2 Extreme QX9300
2008
4 cores / 4 threads, 45 Watt
1.14

Core i3-8350K outperforms Core 2 Extreme QX9300 by a whopping 280% based on our aggregate benchmark results.

Primary details

Comparing Core i3-8350K and Core 2 Extreme QX9300 processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking13532379
Place by popularitynot in top-100not in top-100
Cost-effectiveness evaluation3.42no data
Market segmentDesktop processorLaptop
SeriesIntel Core i3Core 2 Extreme
Power efficiency4.502.40
Architecture codenameCoffee Lake (2017−2019)Penryn (2008−2011)
Release date5 October 2017 (7 years ago)August 2008 (16 years ago)
Launch price (MSRP)$168no data

Cost-effectiveness evaluation

Performance per price, higher is better.

no data

Detailed specifications

Core i3-8350K and Core 2 Extreme QX9300 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 speed4 GHz2.53 GHz
Boost clock speed4 GHz2.53 GHz
Bus typeDMI 3.0no data
Bus rate4 × 8 GT/s1066 MHz
Multiplier40no data
L1 cache64K (per core)64 KB
L2 cache256K (per core)12 MB
L3 cache8 MB (shared)0 KB
Chip lithography14 nm45 nm
Die size126 mm22x 107 mm2
Maximum core temperature100 °C100 °C
Maximum case temperature (TCase)72 °Cno data
64 bit support++
Windows 11 compatibility+-
Unlocked multiplier++
VID voltage rangeno data1.05V-1.175V

Compatibility

Information on Core i3-8350K and Core 2 Extreme QX9300 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 configuration1 (Uniprocessor)2
SocketFCLGA1151PGA478
Power consumption (TDP)91 Watt45 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Core i3-8350K and Core 2 Extreme QX9300. You'll probably need this information if you require some particular technology.

Instruction set extensionsIntel® SSE4.1, Intel® SSE4.2, Intel® AVX2no data
AES-NI+-
AVX+-
Enhanced SpeedStep (EIST)++
Turbo Boost Technology--
Hyper-Threading Technology--
Idle States+no data
Thermal Monitoring+-
Demand Based Switchingno data-
AMTno data+
FSB parityno data-

Security technologies

Core i3-8350K and Core 2 Extreme QX9300 technologies aimed at improving security, for example, by protecting against hacks.

TXT-+
EDB++
Secure Key+no data
MPX+-
Identity Protection+-
SGXYes with Intel® MEno data
OS Guard+no data

Virtualization technologies

Virtual machine speed-up technologies supported by Core i3-8350K and Core 2 Extreme QX9300 are enumerated here.

VT-d+no data
VT-x++
EPT+no data

Memory specs

Types, maximum amount and channel quantity of RAM supported by Core i3-8350K and Core 2 Extreme QX9300. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesDDR4-2400no data
Maximum memory size64 GBno data
Max memory channels2no data
Maximum memory bandwidth38.397 GB/sno data
ECC memory support+-

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics cardIntel UHD Graphics 630no data
Max video memory64 GBno data
Quick Sync Video+-
Clear Video+no data
Clear Video HD+no data
Graphics max frequency1.15 GHzno data
InTru 3D+no data

Graphics interfaces

Available interfaces and connections of Core i3-8350K and Core 2 Extreme QX9300 integrated GPUs.

Number of displays supported3no data

Graphics image quality

Maximum display resolutions supported by Core i3-8350K and Core 2 Extreme QX9300 integrated GPUs, including resolutions over different interfaces.

4K resolution support+no data
Max resolution over HDMI 1.44096x2304@24Hzno data
Max resolution over eDP4096x2304@60Hzno data
Max resolution over DisplayPort4096x2304@60Hzno data

Graphics API support

APIs supported by Core i3-8350K and Core 2 Extreme QX9300 integrated GPUs, sometimes API versions are included.

DirectX12no data
OpenGL4.5no data

Peripherals

Specifications and connection of peripherals supported by Core i3-8350K and Core 2 Extreme QX9300.

PCIe version3.0no data
PCI Express lanes16no 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.

i3-8350K 4.33
+280%
Core 2 Extreme QX9300 1.14

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.

i3-8350K 6871
+281%
Core 2 Extreme QX9300 1805

Gaming performance

Pros & cons summary


Performance score 4.33 1.14
Chip lithography 14 nm 45 nm
Power consumption (TDP) 91 Watt 45 Watt

i3-8350K has a 279.8% higher aggregate performance score, and a 221.4% more advanced lithography process.

Core 2 Extreme QX9300, on the other hand, has 102.2% lower power consumption.

The Core i3-8350K is our recommended choice as it beats the Core 2 Extreme QX9300 in performance tests.

Note that Core i3-8350K is a desktop processor while Core 2 Extreme QX9300 is a notebook one.


Should you still have questions on choice between Core i3-8350K and Core 2 Extreme QX9300, 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 i3-8350K
Core i3-8350K
Intel Core 2 Extreme QX9300
Core 2 Extreme QX9300

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Community ratings

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Questions & comments

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