Core i5-11400 vs Core 2 Quad Q6600

#ad 
Buy on Amazon
VS

Aggregate performance score

Core 2 Quad Q6600
2007
4 cores / 4 threads, 105 Watt
1.15
Core i5-11400
2021
6 cores / 12 threads, 65 Watt
10.69
+830%

Core i5-11400 outperforms Core 2 Quad Q6600 by a whopping 830% based on our aggregate benchmark results.

Primary details

Comparing Core 2 Quad (Desktop) Q6600 and Core i5-11400 processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking2387735
Place by popularitynot in top-100not in top-100
Market segmentDesktop processorDesktop processor
SeriesCore 2 Quad (Desktop)no data
Power efficiency1.0415.55
Architecture codenameKentsfield (2007)Rocket Lake (2021)
Release dateno data16 March 2021 (3 years ago)

Detailed specifications

Core 2 Quad (Desktop) Q6600 and Core i5-11400 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 speed2.4 GHz4.4 GHz
Bus rate1066 MHz8 GT/s
L1 cache64K (per core)64K (per core)
L2 cache8 MB (shared)256K (per core)
L3 cache0 KB12 MB (shared)
Chip lithography65 nm14 nm
Die size2x 143 mm2no data
Maximum core temperatureno data100 °C
Maximum case temperature (TCase)71 °C72 °C
Number of transistors582 millionno data
64 bit support++
Windows 11 compatibility-+

Compatibility

Information on Core 2 Quad (Desktop) Q6600 and Core i5-11400 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
Socket775FCLGA1200
Power consumption (TDP)105 Watt65 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Core 2 Quad (Desktop) Q6600 and Core i5-11400. 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) Q6600 and Core i5-11400 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) Q6600 and Core i5-11400 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) Q6600 and Core i5-11400. 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

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics cardno dataIntel UHD Graphics 730
Max video memoryno data64 GB
Quick Sync Video-+
Clear Videono data+
Clear Video HDno data+
Graphics max frequencyno data1.3 GHz
Execution Unitsno data24
InTru 3Dno data+

Graphics interfaces

Available interfaces and connections of Core 2 Quad (Desktop) Q6600 and Core i5-11400 integrated GPUs.

Number of displays supportedno data3

Graphics image quality

Maximum display resolutions supported by Core 2 Quad (Desktop) Q6600 and Core i5-11400 integrated GPUs, including resolutions over different interfaces.

4K resolution supportno data+
Max resolution over HDMI 1.4no data4096x2160@60Hz
Max resolution over eDPno data5120 x 3200 @60Hz
Max resolution over DisplayPortno data5120 x 3200 @60Hz

Graphics API support

APIs supported by Core 2 Quad (Desktop) Q6600 and Core i5-11400 integrated GPUs, sometimes API versions are included.

DirectXno data12.1
OpenGLno data4.5

Peripherals

Specifications and connection of peripherals supported by Core 2 Quad (Desktop) Q6600 and Core i5-11400.

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 Q6600 1.15
i5-11400 10.69
+830%

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 Q6600 1823
i5-11400 16988
+832%

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 Q6600 268
i5-11400 1964
+633%

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 Q6600 764
i5-11400 7298
+855%

Gaming performance

Pros & cons summary


Performance score 1.15 10.69
Recency no data 16 March 2021
Physical cores 4 6
Threads 4 12
Chip lithography 65 nm 14 nm
Power consumption (TDP) 105 Watt 65 Watt

i5-11400 has a 829.6% higher aggregate performance score, an age advantage of 2021 year, 50% more physical cores and 200% more threads, a 364.3% more advanced lithography process, and 61.5% lower power consumption.

The Core i5-11400 is our recommended choice as it beats the Core 2 Quad Q6600 in performance tests.


Should you still have questions on choice between Core 2 Quad Q6600 and Core i5-11400, 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 Quad Q6600
Core 2 Quad Q6600
Intel Core i5-11400
Core i5-11400

Similar processor comparisons

We picked several similar comparisons of processors in the same market segment and performance relatively close to those reviewed on this page.

Community ratings

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


3.8 1797 votes

Rate Core 2 Quad Q6600 on a scale of 1 to 5:

  • 1
  • 2
  • 3
  • 4
  • 5
4.3 2220 votes

Rate Core i5-11400 on a scale of 1 to 5:

  • 1
  • 2
  • 3
  • 4
  • 5

Questions & comments

Here you can ask a question about Core 2 Quad Q6600 or Core i5-11400, agree or disagree with our judgements, or report an error or mismatch.