Core i7-5500U vs Core 2 Extreme QX9300

VS

Aggregate performance score

Core 2 Extreme QX9300
2008
4 cores / 4 threads, 45 Watt
1.14
Core i7-5500U
2015
2 cores / 4 threads, 15 Watt
1.75
+53.5%

Core i7-5500U outperforms Core 2 Extreme QX9300 by an impressive 54% based on our aggregate benchmark results.

Primary details

Comparing Core 2 Extreme QX9300 and Core i7-5500U processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking23792021
Place by popularitynot in top-100not in top-100
Market segmentLaptopLaptop
SeriesCore 2 ExtremeIntel Core i7
Power efficiency2.4011.04
Architecture codenamePenryn (2008−2011)Broadwell-U (2015)
Release dateAugust 2008 (16 years ago)1 March 2015 (9 years ago)
Launch price (MSRP)no data$393

Detailed specifications

Core 2 Extreme QX9300 and Core i7-5500U 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 speed2.53 GHz2.4 GHz
Boost clock speed2.53 GHz3 GHz
Bus rate1066 MHz5 GT/s
L1 cache64 KB64K (per core)
L2 cache12 MB256K (per core)
L3 cache0 KB4 MB (shared)
Chip lithography45 nm14 nm
Die size2x 107 mm282 mm2
Maximum core temperature100 °C105 °C
Maximum case temperature (TCase)no data105 °C
Number of transistorsno data1300 Million
64 bit support++
Windows 11 compatibility--
Unlocked multiplier+-
VID voltage range1.05V-1.175Vno data

Compatibility

Information on Core 2 Extreme QX9300 and Core i7-5500U 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
SocketPGA478FCBGA1168
Power consumption (TDP)45 Watt15 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Core 2 Extreme QX9300 and Core i7-5500U. You'll probably need this information if you require some particular technology.

Instruction set extensionsno dataIntel® SSE4.1, Intel® SSE4.2, Intel® AVX2
AES-NI-+
AVX-+
Enhanced SpeedStep (EIST)++
Turbo Boost Technology-2.0
Hyper-Threading Technology-+
Idle Statesno data+
Thermal Monitoring-+
Flex Memory Accessno data+
Smart Responseno data+
Demand Based Switching-no data
FDIno data+
Fast Memory Accessno data+
AMT+no data
FSB parity-no data

Security technologies

Core 2 Extreme QX9300 and Core i7-5500U technologies aimed at improving security, for example, by protecting against hacks.

TXT+-
EDB++
Secure Keyno data+
Identity Protection-+
OS Guardno data+

Virtualization technologies

Virtual machine speed-up technologies supported by Core 2 Extreme QX9300 and Core i7-5500U are enumerated here.

AMD-V-+
VT-dno data+
VT-x++
EPTno data+

Memory specs

Types, maximum amount and channel quantity of RAM supported by Core 2 Extreme QX9300 and Core i7-5500U. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesno dataDDR3
Maximum memory sizeno data16 GB
Max memory channelsno data2
Maximum memory bandwidthno data25.6 GB/s

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics cardno dataIntel HD Graphics 5500
Max video memoryno data16 GB
Quick Sync Video-+
Clear Videono data+
Clear Video HDno data+
Graphics max frequencyno data950 MHz
InTru 3Dno data+

Graphics interfaces

Available interfaces and connections of Core 2 Extreme QX9300 and Core i7-5500U integrated GPUs.

Number of displays supportedno data3
eDPno data+
DisplayPort-+
HDMI-+

Graphics image quality

Maximum display resolutions supported by Core 2 Extreme QX9300 and Core i7-5500U integrated GPUs, including resolutions over different interfaces.

Max resolution over HDMI 1.4no data2560x1600@60Hz
Max resolution over DisplayPortno data3840x2160@60Hz

Graphics API support

APIs supported by Core 2 Extreme QX9300 and Core i7-5500U integrated GPUs, sometimes API versions are included.

DirectXno data11.2/12
OpenGLno data4.3

Peripherals

Specifications and connection of peripherals supported by Core 2 Extreme QX9300 and Core i7-5500U.

PCIe versionno data2.0
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 QX9300 1.14
i7-5500U 1.75
+53.5%

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 QX9300 1805
i7-5500U 2786
+54.3%

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 QX9300 3114
i7-5500U 4615
+48.2%

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 QX9300 10882
+11.1%
i7-5500U 9791

3DMark06 CPU

3DMark06 is a discontinued DirectX 9 benchmark suite from Futuremark. Its CPU part contains two scenarios, one dedicated to artificial intelligence pathfinding, another to game physics using PhysX package.

Core 2 Extreme QX9300 3780
i7-5500U 3826
+1.2%

wPrime 32

wPrime 32M is a math multi-thread processor test, which calculates square roots of first 32 million integer numbers. Its result is measured in seconds, so that the less is benchmark result, the faster the processor.

Core 2 Extreme QX9300 15.74
+6.5%
i7-5500U 16.76

Cinebench 11.5 64-bit multi-core

Cinebench Release 11.5 Multi Core is a variant of Cinebench R11.5 which uses all the processor threads. A maximum of 64 threads is supported in this version.

Core 2 Extreme QX9300 3
i7-5500U 3
+20.6%

Gaming performance

Pros & cons summary


Performance score 1.14 1.75
Physical cores 4 2
Chip lithography 45 nm 14 nm
Power consumption (TDP) 45 Watt 15 Watt

Core 2 Extreme QX9300 has 100% more physical cores.

i7-5500U, on the other hand, has a 53.5% higher aggregate performance score, a 221.4% more advanced lithography process, and 200% lower power consumption.

The Core i7-5500U is our recommended choice as it beats the Core 2 Extreme QX9300 in performance tests.


Should you still have questions on choice between Core 2 Extreme QX9300 and Core i7-5500U, ask them in Comments section, and we shall answer.

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Intel Core 2 Extreme QX9300
Core 2 Extreme QX9300
Intel Core i7-5500U
Core i7-5500U

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Community ratings

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


4.1 91 vote

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3.3 337 votes

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Questions & comments

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