Pentium D 820 vs Athlon X2 7750 BE

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Primary details

Comparing Athlon X2 7750 BE and Pentium D 820 processor market type (desktop or notebook), architecture, sales start time and price.

Place in the rankingnot rated3101
Place by popularitynot in top-100not in top-100
Market segmentDesktop processorDesktop processor
Seriesno dataPentium D
Power efficiencyno data0.31
Architecture codenameKuma (2008−2009)Smithfield (2005)
Release dateDecember 2008 (16 years ago)May 2005 (19 years ago)

Detailed specifications

Athlon X2 7750 BE 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 cores2 (Dual-core)2 (Dual-core)
Threads22
Base clock speedno data2.8 GHz
Boost clock speed2.7 GHz2.8 GHz
Bus rateno data800 MHz
L1 cache128 KB (per core)28 KB
L2 cache512 KB (per core)2 MB
L3 cache2 MB (shared)0 KB
Chip lithography65 nm90 nm
Die size285 mm2206 mm2
Maximum core temperatureno data64 °C
Number of transistors450 million169 million
64 bit support++
Windows 11 compatibility--
Unlocked multiplier+-
VID voltage rangeno data1.2V-1.4V

Compatibility

Information on Athlon X2 7750 BE 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
SocketAM2+PLGA775
Power consumption (TDP)95 Watt95 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Athlon X2 7750 BE and Pentium D 820. You'll probably need this information if you require some particular technology.

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

Athlon X2 7750 BE 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 Athlon X2 7750 BE 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 Athlon X2 7750 BE and Pentium D 820. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesno dataDDR1, DDR2, DDR3

Pros & cons summary


Chip lithography 65 nm 90 nm

Athlon X2 7750 BE has a 38.5% more advanced lithography process.

We couldn't decide between Athlon X2 7750 BE and Pentium D 820. We've got no test results to judge.


Should you still have questions on choice between Athlon X2 7750 BE and Pentium D 820, ask them in Comments section, and we shall answer.

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AMD Athlon X2 7750 BE
Athlon X2 7750 BE
Intel Pentium D 820
Pentium D 820

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Community ratings

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3.9 49 votes

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3.1 172 votes

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