Core i7-11700KF vs Core 2 Quad Q9550

VS

Aggregate performance score

Core 2 Quad Q9550
2008
4 cores / 4 threads, 95 Watt
1.47
Core i7-11700KF
2021
8 cores / 16 threads, 125 Watt
15.05
+924%

Core i7-11700KF outperforms Core 2 Quad Q9550 by a whopping 924% based on our aggregate benchmark results.

Primary details

Comparing Core 2 Quad (Desktop) Q9550 and Core i7-11700KF processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking2170469
Place by popularitynot in top-100not in top-100
Market segmentDesktop processorDesktop processor
SeriesCore 2 Quad (Desktop)no data
Power efficiency1.4611.39
Architecture codenameYorkfield (2007−2009)Rocket Lake (2021)
Release dateno data16 March 2021 (3 years ago)

Detailed specifications

Core 2 Quad (Desktop) Q9550 and Core i7-11700KF 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)8 (Octa-Core)
Threads416
Base clock speedno data3.6 GHz
Boost clock speed2.83 GHz5 GHz
Bus rate1333 MHz8 GT/s
L1 cache64K (per core)64K (per core)
L2 cache12288 KB256K (per core)
L3 cache0 KB16 MB (shared)
Chip lithography45 nm14 nm
Die size2x 107 mm2no data
Maximum core temperatureno data100 °C
Maximum case temperature (TCase)71 °C72 °C
Number of transistors820 millionno data
64 bit support++
Windows 11 compatibility-+
Unlocked multiplier-+

Compatibility

Information on Core 2 Quad (Desktop) Q9550 and Core i7-11700KF 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 configuration11
SocketLGA775FCLGA1200
Power consumption (TDP)95 Watt125 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Core 2 Quad (Desktop) Q9550 and Core i7-11700KF. You'll probably need this information if you require some particular technology.

Instruction set extensionsno dataIntel® SSE4.1, Intel® SSE4.2, Intel® AVX2, Intel® AVX-512
AES-NI-+
AVX-+
Enhanced SpeedStep (EIST)++
Turbo Boost Technologyno data2.0
Hyper-Threading Technologyno data+
TSX-+
Idle Statesno data+
Thermal Monitoring-+
Turbo Boost Max 3.0no data+
Deep Learning Boost-+

Security technologies

Core 2 Quad (Desktop) Q9550 and Core i7-11700KF technologies aimed at improving security, for example, by protecting against hacks.

TXTno data+
EDBno data+
Secure Keyno data+
Identity Protection-+
SGXno data-
OS Guardno data+

Virtualization technologies

Virtual machine speed-up technologies supported by Core 2 Quad (Desktop) Q9550 and Core i7-11700KF are enumerated here.

VT-dno data+
VT-xno data+
EPTno data+

Memory specs

Types, maximum amount and channel quantity of RAM supported by Core 2 Quad (Desktop) Q9550 and Core i7-11700KF. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesDDR1,DDR2,DDR3DDR4-3200
Maximum memory sizeno data128 GB
Max memory channelsno data2
Maximum memory bandwidthno data50 GB/s

Peripherals

Specifications and connection of peripherals supported by Core 2 Quad (Desktop) Q9550 and Core i7-11700KF.

PCIe versionno data4.0
PCI Express lanesno data20

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 Q9550 1.47
i7-11700KF 15.05
+924%

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 Q9550 2338
i7-11700KF 23912
+923%

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 Quad Q9550 370
i7-11700KF 2285
+518%

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 Quad Q9550 1038
i7-11700KF 10252
+888%

Gaming performance

Pros & cons summary


Performance score 1.47 15.05
Physical cores 4 8
Threads 4 16
Chip lithography 45 nm 14 nm
Power consumption (TDP) 95 Watt 125 Watt

Core 2 Quad Q9550 has 31.6% lower power consumption.

i7-11700KF, on the other hand, has a 923.8% higher aggregate performance score, 100% more physical cores and 300% more threads, and a 221.4% more advanced lithography process.

The Core i7-11700KF is our recommended choice as it beats the Core 2 Quad Q9550 in performance tests.


Should you still have questions on choice between Core 2 Quad Q9550 and Core i7-11700KF, ask them in Comments section, and we shall answer.

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Intel Core 2 Quad Q9550
Core 2 Quad Q9550
Intel Core i7-11700KF
Core i7-11700KF

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Community ratings

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Questions & comments

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