Core Ultra 7 265KF vs Core 2 Quad Q8400s

Primary details

Comparing Core 2 Quad Q8400s and Core Ultra 7 265KF processor market type (desktop or notebook), architecture, sales start time and price.

Place in the rankingnot rated73
Place by popularitynot in top-100not in top-100
Cost-effectiveness evaluationno data100.00
Market segmentDesktop processorDesktop processor
Power efficiencyno data29.53
Architecture codenameYorkfield (2007−2009)Arrow Lake-S (2024−2025)
Release date19 April 2009 (15 years ago)24 October 2024 (recently)
Launch price (MSRP)no data$379

Cost-effectiveness evaluation

Performance per price, higher is better.

no data

Detailed specifications

Core 2 Quad Q8400s and Core Ultra 7 265KF 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)20 (Icosa-Core)
Threads420
Base clock speed2.66 GHz3.9 GHz
Boost clock speed0.67 GHz5.5 GHz
Bus rate1333 MHzno data
L1 cache64 KB (per core)112 KB (per core)
L2 cache4 MB (shared)3 MB (per core)
L3 cache0 KB30 MB (shared)
Chip lithography45 nm3 nm
Die size2x 82 mm2243 mm2
Maximum case temperature (TCase)76 °Cno data
Number of transistors456 million17,800 million
64 bit support++
Windows 11 compatibility-no data
Unlocked multiplier-+
VID voltage range0.85V-1.3625Vno data

Compatibility

Information on Core 2 Quad Q8400s and Core Ultra 7 265KF 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
SocketFCLGA775,LGA7751851
Power consumption (TDP)65 Watt125 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Core 2 Quad Q8400s and Core Ultra 7 265KF. You'll probably need this information if you require some particular technology.

AES-NI-+
AVX-+
Enhanced SpeedStep (EIST)++
Turbo Boost Technology-no data
Hyper-Threading Technology-no data
TSX-+
Idle States+no data
Thermal Monitoring+-
Demand Based Switching-no data

Security technologies

Core 2 Quad Q8400s and Core Ultra 7 265KF technologies aimed at improving security, for example, by protecting against hacks.

TXT-+
EDB+no data

Virtualization technologies

Virtual machine speed-up technologies supported by Core 2 Quad Q8400s and Core Ultra 7 265KF are enumerated here.

VT-dno data+
VT-x++

Memory specs

Types, maximum amount and channel quantity of RAM supported by Core 2 Quad Q8400s and Core Ultra 7 265KF. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesDDR1, DDR2, DDR3DDR5

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics cardOn certain motherboards (Chipset feature)N/A

Peripherals

Specifications and connection of peripherals supported by Core 2 Quad Q8400s and Core Ultra 7 265KF.

PCIe version2.05.0
PCI Express lanesno data20

Pros & cons summary


Recency 19 April 2009 24 October 2024
Physical cores 4 20
Threads 4 20
Chip lithography 45 nm 3 nm
Power consumption (TDP) 65 Watt 125 Watt

Core 2 Quad Q8400s has 92.3% lower power consumption.

Ultra 7 265KF, on the other hand, has an age advantage of 15 years, 400% more physical cores and 400% more threads, and a 1400% more advanced lithography process.

We couldn't decide between Core 2 Quad Q8400s and Core Ultra 7 265KF. We've got no test results to judge.


Should you still have questions on choice between Core 2 Quad Q8400s and Core Ultra 7 265KF, ask them in Comments section, and we shall answer.

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Intel Core 2 Quad Q8400s
Core 2 Quad Q8400s
Intel Core Ultra 7 265KF
Core Ultra 7 265KF

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Community ratings

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3.3 45 votes

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3.5 24 votes

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