Pentium D 820 vs A12-9800

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Aggregate performance score

A12-9800
2017
4 cores / 4 threads, 65 Watt
2.27
+632%
Pentium D 820
2005
2 cores / 2 threads, 95 Watt
0.31

A12-9800 outperforms Pentium D 820 by a whopping 632% based on our aggregate benchmark results.

Primary details

Comparing A12-9800 and Pentium D 820 processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking18233101
Place by popularitynot in top-100not in top-100
Cost-effectiveness evaluation1.45no data
Market segmentDesktop processorDesktop processor
Seriesno dataPentium D
Power efficiency3.300.31
Architecture codenameBristol Ridge (2016−2019)Smithfield (2005)
Release date27 July 2017 (7 years ago)May 2005 (19 years ago)
Launch price (MSRP)$139no data

Cost-effectiveness evaluation

Performance per price, higher is better.

no data

Detailed specifications

A12-9800 and Pentium D 820 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)2 (Dual-core)
Threads42
Base clock speed3.8 GHz2.8 GHz
Boost clock speed4.2 GHz2.8 GHz
Bus rateno data800 MHz
L1 cacheno data28 KB
L2 cache2048 KB2 MB
L3 cache0 KB0 KB
Chip lithography28 nm90 nm
Die size246 mm2206 mm2
Maximum core temperature90 °C64 °C
Maximum case temperature (TCase)74 °Cno data
Number of transistors1,178 million169 million
64 bit support++
Windows 11 compatibility--
VID voltage rangeno data1.2V-1.4V

Compatibility

Information on A12-9800 and Pentium D 820 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 configuration12
SocketAM4PLGA775
Power consumption (TDP)65 Watt95 Watt

Technologies and extensions

Technological solutions and additional instructions supported by A12-9800 and Pentium D 820. You'll probably need this information if you require some particular technology.

AES-NI+-
FMA+-
AVX+-
FRTC+-
FreeSync+-
PowerTune+-
TrueAudio+-
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

A12-9800 and Pentium D 820 technologies aimed at improving security, for example, by protecting against hacks.

TXTno data-
EDBno data+

Virtualization technologies

Virtual machine speed-up technologies supported by A12-9800 and Pentium D 820 are enumerated here.

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

Memory specs

Types, maximum amount and channel quantity of RAM supported by A12-9800 and Pentium D 820. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesDDR4-2400DDR1, DDR2, DDR3
Max memory channels2no data

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics cardAMD Radeon R7 Graphicsno data
iGPU core count8no data
Enduro+-
UVD+-
VCE+-

Graphics interfaces

Available interfaces and connections of A12-9800 and Pentium D 820 integrated GPUs.

DisplayPort+-
HDMI+-

Graphics API support

APIs supported by A12-9800 and Pentium D 820 integrated GPUs, sometimes API versions are included.

DirectXDirectX® 12no data
Vulkan+-

Peripherals

Specifications and connection of peripherals supported by A12-9800 and Pentium D 820.

PCIe version3.0no data
PCI Express lanes8no data

Synthetic benchmark performance

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


Combined synthetic benchmark score

This is our combined benchmark performance rating. We are regularly improving our combining algorithms, but if you find some perceived inconsistencies, feel free to speak up in comments section, we usually fix problems quickly.

A12-9800 2.27
+632%
Pentium D 820 0.31

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.

A12-9800 3611
+624%
Pentium D 820 499

Gaming performance

Pros & cons summary


Performance score 2.27 0.31
Physical cores 4 2
Threads 4 2
Chip lithography 28 nm 90 nm
Power consumption (TDP) 65 Watt 95 Watt

A12-9800 has a 632.3% higher aggregate performance score, 100% more physical cores and 100% more threads, a 221.4% more advanced lithography process, and 46.2% lower power consumption.

The A12-9800 is our recommended choice as it beats the Pentium D 820 in performance tests.


Should you still have questions on choice between A12-9800 and Pentium D 820, ask them in Comments section, and we shall answer.

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AMD A12-9800
A12-9800
Intel Pentium D 820
Pentium D 820

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Community ratings

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


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Questions & comments

Here you can ask a question about A12-9800 or Pentium D 820, agree or disagree with our judgements, or report an error or mismatch.