Core 2 Duo E6305 vs Core i9-11900K

VS

Primary details

Comparing Core i9-11900K and Core 2 Duo E6305 processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking419not rated
Place by popularitynot in top-100not in top-100
Cost-effectiveness evaluation18.16no data
Market segmentDesktop processorServer
Power efficiency12.01no data
Architecture codenameRocket Lake (2021)no data
Release date16 March 2021 (3 years ago)no data (2024 years ago)
Launch price (MSRP)$539no data

Cost-effectiveness evaluation

Performance per price, higher is better.

no data

Detailed specifications

Core i9-11900K and Core 2 Duo E6305 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 cores8 (Octa-Core)2 (Dual-core)
Threads162
Base clock speed3.5 GHz1.86 GHz
Boost clock speed5.2 GHzno data
Bus rate8 GT/s1066 MHz
L1 cache80 KB (per core)no data
L2 cache512 KB (per core)no data
L3 cache16 MB (shared)2 MB L2 Cache
Chip lithography14 nm65 nm
Die size276 mm2no data
Maximum core temperature100 °Cno data
Maximum case temperature (TCase)72 °Cno data
64 bit support++
Windows 11 compatibility+-
Unlocked multiplier+-

Compatibility

Information on Core i9-11900K and Core 2 Duo E6305 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 configuration1no data
SocketFCLGA1200no data
Power consumption (TDP)125 Watt65 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Core i9-11900K and Core 2 Duo E6305. You'll probably need this information if you require some particular technology.

Instruction set extensionsIntel® SSE4.1, Intel® SSE4.2, Intel® AVX2, Intel® AVX-512no data
AES-NI+-
AVX+-
vPro+no data
Enhanced SpeedStep (EIST)++
Turbo Boost Technology2.0-
Hyper-Threading Technology+-
TSX+-
Idle States+no data
Thermal Monitoring+-
SIPP+-
Demand Based Switchingno data-
Turbo Boost Max 3.0+no data
FSB parityno data+
Deep Learning Boost+-

Security technologies

Core i9-11900K and Core 2 Duo E6305 technologies aimed at improving security, for example, by protecting against hacks.

TXT+-
EDB++
Secure Key+no data
Identity Protection+-
SGX-no data
OS Guard+no data

Virtualization technologies

Virtual machine speed-up technologies supported by Core i9-11900K and Core 2 Duo E6305 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 i9-11900K and Core 2 Duo E6305. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesDDR4no data
Maximum memory size128 GBno data
Max memory channels2no data
Maximum memory bandwidth50 GB/sno data

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics cardIntel UHD Graphics 750no data
Max video memory64 GBno data
Quick Sync Video+-
Clear Video+no data
Clear Video HD+no data
Graphics max frequency1.3 GHzno data
Execution Units32no data
InTru 3D+no data

Graphics interfaces

Available interfaces and connections of Core i9-11900K and Core 2 Duo E6305 integrated GPUs.

Number of displays supported3no data

Graphics image quality

Maximum display resolutions supported by Core i9-11900K and Core 2 Duo E6305 integrated GPUs, including resolutions over different interfaces.

4K resolution support+no data
Max resolution over HDMI 1.44096x2160@60Hzno data
Max resolution over eDP5120 x 3200 @60Hzno data
Max resolution over DisplayPort5120 x 3200 @60Hzno data

Graphics API support

APIs supported by Core i9-11900K and Core 2 Duo E6305 integrated GPUs, sometimes API versions are included.

DirectX12.1no data
OpenGL4.5no data

Peripherals

Specifications and connection of peripherals supported by Core i9-11900K and Core 2 Duo E6305.

PCIe version4.0no data
PCI Express lanes20no data

Pros & cons summary


Physical cores 8 2
Threads 16 2
Chip lithography 14 nm 65 nm
Power consumption (TDP) 125 Watt 65 Watt

i9-11900K has 300% more physical cores and 700% more threads, and a 364.3% more advanced lithography process.

Core 2 Duo E6305, on the other hand, has 92.3% lower power consumption.

We couldn't decide between Core i9-11900K and Core 2 Duo E6305. We've got no test results to judge.

Note that Core i9-11900K is a desktop processor while Core 2 Duo E6305 is a server/workstation one.


Should you still have questions on choice between Core i9-11900K and Core 2 Duo E6305, 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 i9-11900K
Core i9-11900K
Intel Core 2 Duo E6305
Core 2 Duo E6305

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.


3.6 1142 votes

Rate Core i9-11900K on a scale of 1 to 5:

  • 1
  • 2
  • 3
  • 4
  • 5

No user ratings yet.

Rate Core 2 Duo E6305 on a scale of 1 to 5:

  • 1
  • 2
  • 3
  • 4
  • 5

Questions & comments

Here you can ask a question about Core i9-11900K or Core 2 Duo E6305, agree or disagree with our judgements, or report an error or mismatch.