Core i5-11400F vs Core 2 Quad Q9550

VS

Aggregate performance score

Core 2 Quad Q9550
2008
4 cores / 4 threads, 95 Watt
1.47
Core i5-11400F
2021
6 cores / 12 threads, 65 Watt
10.70
+628%

Core i5-11400F outperforms Core 2 Quad Q9550 by a whopping 628% based on our aggregate benchmark results.

Primary details

Comparing Core 2 Quad (Desktop) Q9550 and Core i5-11400F processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking2170734
Place by popularitynot in top-10030
Cost-effectiveness evaluationno data39.24
Market segmentDesktop processorDesktop processor
SeriesCore 2 Quad (Desktop)no data
Power efficiency1.4615.57
Architecture codenameYorkfield (2007−2009)Rocket Lake (2021)
Release dateno data16 March 2021 (3 years ago)
Launch price (MSRP)no data$157

Cost-effectiveness evaluation

Performance per price, higher is better.

no data

Detailed specifications

Core 2 Quad (Desktop) Q9550 and Core i5-11400F 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)6 (Hexa-Core)
Threads412
Base clock speedno data2.6 GHz
Boost clock speed2.83 GHz4.4 GHz
Bus rate1333 MHz8 GT/s
L1 cache64K (per core)64K (per core)
L2 cache12288 KB256K (per core)
L3 cache0 KB12 MB (shared)
Chip lithography45 nm14 nm
Die size2x 107 mm2276 mm2
Maximum core temperatureno data100 °C
Maximum case temperature (TCase)71 °C72 °C
Number of transistors820 millionno data
64 bit support++
Windows 11 compatibility-+

Compatibility

Information on Core 2 Quad (Desktop) Q9550 and Core i5-11400F 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
SocketLGA7751200
Power consumption (TDP)95 Watt65 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Core 2 Quad (Desktop) Q9550 and Core i5-11400F. 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-+
FMA-+
AVX-+
vProno data-
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 i5-11400F 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 i5-11400F 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 i5-11400F. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesDDR1,DDR2,DDR3DDR4
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 i5-11400F.

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
i5-11400F 10.70
+628%

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
i5-11400F 17003
+627%

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
i5-11400F 1980
+435%

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
i5-11400F 7597
+632%

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 Quad Q9550 3106
i5-11400F 6210
+99.9%

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 Quad Q9550 10825
i5-11400F 44220
+308%

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 Quad Q9550 4230
i5-11400F 13359
+216%

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 Quad Q9550 3
i5-11400F 18
+421%

Gaming performance

Pros & cons summary


Performance score 1.47 10.70
Physical cores 4 6
Threads 4 12
Chip lithography 45 nm 14 nm
Power consumption (TDP) 95 Watt 65 Watt

i5-11400F has a 627.9% higher aggregate performance score, 50% more physical cores and 200% more threads, a 221.4% more advanced lithography process, and 46.2% lower power consumption.

The Core i5-11400F 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 i5-11400F, ask them in Comments section, and we shall answer.

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Intel Core 2 Quad Q9550
Core 2 Quad Q9550
Intel Core i5-11400F
Core i5-11400F

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Community ratings

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Questions & comments

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