Core Ultra 7 258V vs Core 2 Duo E6420

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Primary details

Comparing Core 2 Duo E6420 and Core Ultra 7 258V processor market type (desktop or notebook), architecture, sales start time and price.

Place in the rankingnot rated614
Place by popularitynot in top-100not in top-100
Market segmentDesktop processorLaptop
Power efficiencyno data69.09
Architecture codenameConroe (2006−2007)Lunar Lake (2024)
Release dateApril 2007 (17 years ago)24 September 2024 (less than a year ago)

Detailed specifications

Core 2 Duo E6420 and Core Ultra 7 258V 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 cores2 (Dual-core)8 (Octa-Core)
Threads28
Base clock speed2.13 GHz2.2 GHz
Boost clock speed2.13 GHz4.8 GHz
Bus rate1066 MHz37 MHz
L1 cache64 KB192 KB (per core)
L2 cache4 MB2.5 MB (per core)
L3 cache0 KB12 MB (shared)
Chip lithography65 nm3 nm
Die size111 mm2no data
Maximum core temperature60 °C100 °C
Number of transistors167 millionno data
64 bit support++
Windows 11 compatibility-no data
VID voltage range0.85V-1.5Vno data

Compatibility

Information on Core 2 Duo E6420 and Core Ultra 7 258V 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
SocketPLGA775Intel BGA 2833
Power consumption (TDP)65 Watt17 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Core 2 Duo E6420 and Core Ultra 7 258V. 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
FSB parity-no data

Security technologies

Core 2 Duo E6420 and Core Ultra 7 258V 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 Duo E6420 and Core Ultra 7 258V are enumerated here.

VT-dno data+
VT-x++

Memory specs

Types, maximum amount and channel quantity of RAM supported by Core 2 Duo E6420 and Core Ultra 7 258V. 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 cardno dataArc 140V

Peripherals

Specifications and connection of peripherals supported by Core 2 Duo E6420 and Core Ultra 7 258V.

PCIe versionno data5.0
PCI Express lanesno data4

Synthetic benchmark performance

Various benchmark results of the processors in comparison. Overall score is measured in points in 0-100 range, higher is better.



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 Duo E6420 760
Ultra 7 258V 19710
+2493%

Pros & cons summary


Physical cores 2 8
Threads 2 8
Chip lithography 65 nm 3 nm
Power consumption (TDP) 65 Watt 17 Watt

Ultra 7 258V has 300% more physical cores and 300% more threads, a 2066.7% more advanced lithography process, and 282.4% lower power consumption.

We couldn't decide between Core 2 Duo E6420 and Core Ultra 7 258V. We've got no test results to judge.

Note that Core 2 Duo E6420 is a desktop processor while Core Ultra 7 258V is a notebook one.


Should you still have questions on choice between Core 2 Duo E6420 and Core Ultra 7 258V, ask them in Comments section, and we shall answer.

Vote for your favorite

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Intel Core 2 Duo E6420
Core 2 Duo E6420
Intel Core Ultra 7 258V
Core Ultra 7 258V

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Community ratings

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


3.4 51 vote

Rate Core 2 Duo E6420 on a scale of 1 to 5:

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3.9 12 votes

Rate Core Ultra 7 258V on a scale of 1 to 5:

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Questions & comments

Here you can ask a question about Core 2 Duo E6420 or Core Ultra 7 258V, agree or disagree with our judgements, or report an error or mismatch.