Pentium D 945 vs A6-6400K

Primary details

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

Place in the ranking2584not rated
Place by popularitynot in top-100not in top-100
Market segmentDesktop processorDesktop processor
SeriesAMD A-Series (Desktop)no data
Power efficiency1.38no data
DesignerAMDIntel
Manufacturerno dataIntel
Architecture codenameRichland (2013−2014)Presler (2005−2007)
Release date1 June 2013 (11 years ago)23 July 2006 (18 years ago)
Launch price (MSRP)no data$163

Detailed specifications

A6-6400K and Pentium D 945 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)2 (Dual-core)
Threads22
Base clock speed3.9 GHz3.4 GHz
Boost clock speed4.1 GHz3.4 GHz
L1 cache96 KB16 KB (per core)
L2 cache1024 KB2 MB (per die)
L3 cache0 KB0 KB
Chip lithography32 nm65 nm
Die size246 mm22x 81 mm2
Maximum core temperature70 °Cno data
Maximum case temperature (TCase)70 °C63 °C
Number of transistors1,178 million376 million
64 bit support++
Windows 11 compatibility--
Unlocked multiplier+-
VID voltage rangeno data1.2V-1.3375V

Compatibility

Information on A6-6400K and Pentium D 945 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
SocketFM2LGA775,PLGA775
Power consumption (TDP)65 Watt95 Watt

Technologies and extensions

Technological solutions and additional instructions supported by A6-6400K and Pentium D 945. You'll probably need this information if you require some particular technology.

Instruction set extensionsMMX, SSE1-4a, AES, ABM, AVX, BMI1, AMD64, VT, EVP, Turbo Core 3.0no data
AES-NI+-
FMAFMA4-
AVX+-
PowerNow+-
PowerGating+-
VirusProtect+-
Enhanced SpeedStep (EIST)no data+
Turbo Boost Technologyno data-
Hyper-Threading Technologyno data-
Idle Statesno data+
Demand Based Switchingno data-
PAEno data32 Bit
FSB parityno data-

Security technologies

A6-6400K and Pentium D 945 technologies aimed at improving security, for example, by protecting against hacks.

TXTno data-
EDBno data+

Virtualization technologies

Virtual machine speed-up technologies supported by A6-6400K and Pentium D 945 are enumerated here.

AMD-V+-
VT-dno data-
VT-xno data-
IOMMU 2.0+-

Memory specs

Types, maximum amount and channel quantity of RAM supported by A6-6400K and Pentium D 945. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesDDR3-1866DDR1, DDR2, DDR3
Max memory channels2no data

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics cardAMD Radeon HD 8470DOn certain motherboards (Chipset feature)
จำนวนพาธไลน์192no data
Enduro+-
Switchable graphics+-
UVD+-
VCE+-

Graphics interfaces

Available interfaces and connections of A6-6400K and Pentium D 945 integrated GPUs.

DisplayPort+-
HDMI+-

Graphics API support

APIs supported by A6-6400K and Pentium D 945 integrated GPUs, sometimes API versions are included.

DirectXDirectX® 11no data

Peripherals

Specifications and connection of peripherals supported by A6-6400K and Pentium D 945.

PCIe version2.0no data

Pros & cons summary


Recency 1 June 2013 23 July 2006
Chip lithography 32 nm 65 nm
Power consumption (TDP) 65 Watt 95 Watt

A6-6400K has an age advantage of 6 years, a 103.1% more advanced lithography process, and 46.2% lower power consumption.

We couldn't decide between AMD A6-6400K and Intel Pentium D 945. We've got no test results to judge.

Vote for your favorite

Do you think we are right or mistaken in our choice? Vote by clicking "Like" button near your favorite CPU.


AMD A6-6400K
A6-6400K
Intel Pentium D 945
Pentium D 945

Other comparisons

We've compiled a selection of CPU comparisons, ranging from closely matched processors to other comparisons that may be of interest.

Community ratings

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


3.1 173 votes

Rate A6-6400K on a scale of 1 to 5:

  • 1
  • 2
  • 3
  • 4
  • 5
3.5 234 votes

Rate Pentium D 945 on a scale of 1 to 5:

  • 1
  • 2
  • 3
  • 4
  • 5

Comments

Here you can give us your opinion about processors A6-6400K and Pentium D 945, agree or disagree with our ratings, or report bugs or inaccuracies on the site.