AMD-K5-PR75ABR vs FX-770K

Primary details

Comparing processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking2182not rated
Place by popularitynot in top-100not in top-100
Market segmentDesktop processorDesktop processor
Seriesno dataAMD K5
Power efficiency1.18no data
DesignerAMDAMD
ManufacturerGlobalFoundriesno data
Architecture codenameKaveri (2014−2015)K5 (1996−1997)
Release dateDecember 2014 (10 years ago)no data

Detailed specifications

FX-770K and AMD-K5-PR75ABR 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)1 (Single-Core)
Threads41
Base clock speed3.5 GHzno data
Boost clock speed3.9 GHz0.08 GHz
Bus typeno dataFSB
Bus rateno data50 MT/s
Multiplierno data1.5
L1 cache256Kno data
L2 cache4 MBno data
Chip lithography28 nm350 nm
Die size245 mm2161 mm2
Maximum case temperature (TCase)72 °Cno data
Number of transistors2,411 million4 Million
64 bit support+-
Unlocked multiplier+-

Compatibility

Information on FX-770K and AMD-K5-PR75ABR 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
SocketFM2+no data
Power consumption (TDP)65 Wattno data

Technologies and extensions

Technological solutions and additional instructions supported by FX-770K and AMD-K5-PR75ABR. You'll probably need this information if you require some particular technology.

AES-NI+-
FMA+-
AVX+-

Virtualization technologies

Virtual machine speed-up technologies supported by FX-770K and AMD-K5-PR75ABR are enumerated here.

AMD-V+-

Memory specs

Types, maximum amount and channel quantity of RAM supported by FX-770K and AMD-K5-PR75ABR. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesDDR3-2133no data
Maximum memory sizeno data4 GB

Peripherals

Specifications and connection of peripherals supported by FX-770K and AMD-K5-PR75ABR.

PCIe version3.0no data
PCI Express lanes16no data

Pros & cons summary


Physical cores 4 1
Threads 4 1
Chip lithography 28 nm 350 nm

FX-770K has 300% more physical cores and 300% more threads, and a 1150% more advanced lithography process.

We couldn't decide between AMD FX-770K and AMD AMD-K5-PR75ABR. We've got no test results to judge.

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AMD FX-770K
FX-770K
AMD AMD-K5-PR75ABR
AMD-K5-PR75ABR

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Community ratings

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3.8 9 votes

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2.5 10 votes

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