Phenom II X4 945 (95W) vs i7-2600K

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Primary details

Comparing Core i7-2600K and Phenom II X4 945 (95W) processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking1555not rated
Place by popularitynot in top-100not in top-100
Cost-effectiveness evaluation0.47no data
Market segmentDesktop processorDesktop processor
SeriesIntel Core i7 (Desktop)no data
Power efficiency3.45no data
Architecture codenameSandy Bridge (2011−2013)Deneb (2009−2011)
Release date9 January 2011 (13 years ago)22 July 2009 (15 years ago)
Launch price (MSRP)$317no data

Cost-effectiveness evaluation

Performance per price, higher is better.

no data

Detailed specifications

Core i7-2600K and Phenom II X4 945 (95W) 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)4 (Quad-Core)
Threads84
Base clock speed3.4 GHz3 GHz
Boost clock speed3.8 GHz3 GHz
Bus rate5 GT/sno data
L1 cache64 KB (per core)128 KB (per core)
L2 cache256K (per core)512 KB (per core)
L3 cache8 MB (shared)6 MB (shared)
Chip lithography32 nm45 nm
Die size216 mm2258 mm2
Maximum core temperature73 °Cno data
Number of transistors1,160 million758 million
64 bit support++
Windows 11 compatibility--
Unlocked multiplier+-

Compatibility

Information on Core i7-2600K and Phenom II X4 945 (95W) 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
SocketLGA1155AM3
Power consumption (TDP)95 Watt95 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Core i7-2600K and Phenom II X4 945 (95W). You'll probably need this information if you require some particular technology.

Instruction set extensionsIntel® SSE4.1, Intel® SSE4.2, Intel® AVXno data
AES-NI+-
AVX+-
Enhanced SpeedStep (EIST)+no data
Turbo Boost Technology+no data
Hyper-Threading Technology+no data
Idle States+no data
Thermal Monitoring+-
Flex Memory Access+no data
FDI+no data
Fast Memory Access+no data

Security technologies

Core i7-2600K and Phenom II X4 945 (95W) technologies aimed at improving security, for example, by protecting against hacks.

TXT-no data
EDB+no data
Identity Protection+-

Virtualization technologies

Virtual machine speed-up technologies supported by Core i7-2600K and Phenom II X4 945 (95W) are enumerated here.

AMD-V-+
VT-d-no data
VT-x+no data
EPT+no data

Memory specs

Types, maximum amount and channel quantity of RAM supported by Core i7-2600K and Phenom II X4 945 (95W). Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesDDR3DDR3
Maximum memory size32 GBno data
Max memory channels2no data
Maximum memory bandwidth21 GB/sno data

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics cardIntel HD Graphics 3000On certain motherboards (Chipset feature)
Quick Sync Video+-
Clear Video HD+no data
Graphics max frequency1.35 GHzno data
InTru 3D+no data

Graphics interfaces

Available interfaces and connections of Core i7-2600K and Phenom II X4 945 (95W) integrated GPUs.

Number of displays supported2no data

Peripherals

Specifications and connection of peripherals supported by Core i7-2600K and Phenom II X4 945 (95W).

PCIe version2.02.0
PCI Express lanes16no data

Pros & cons summary


Recency 9 January 2011 22 July 2009
Threads 8 4
Chip lithography 32 nm 45 nm

i7-2600K has an age advantage of 1 year, 100% more threads, and a 40.6% more advanced lithography process.

We couldn't decide between Core i7-2600K and Phenom II X4 945 (95W). We've got no test results to judge.


Should you still have questions on choice between Core i7-2600K and Phenom II X4 945 (95W), ask them in Comments section, and we shall answer.

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Intel Core i7-2600K
Core i7-2600K
AMD Phenom II X4 945 (95W)
Phenom II X4 945 (95W)

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Community ratings

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4.2 1519 votes

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Questions & comments

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