Athlon 64 X2 5800+ vs Pentium D 820

Aggregate performance score

Pentium D 820
2005
2 cores / 2 threads, 95 Watt
0.31
Athlon 64 X2 5800+
2008
2 cores / 2 threads, 89 Watt
0.41
+32.3%

Athlon 64 X2 5800+ outperforms Pentium D 820 by a substantial 32% based on our aggregate benchmark results.

Primary details

Comparing Pentium D 820 and Athlon 64 X2 5800+ processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking30842979
Place by popularitynot in top-100not in top-100
Market segmentDesktop processorDesktop processor
SeriesPentium Dno data
Power efficiency0.310.44
Architecture codenameSmithfield (2005)Brisbane (2007−2008)
Release dateMay 2005 (19 years ago)April 2008 (16 years ago)

Detailed specifications

Pentium D 820 and Athlon 64 X2 5800+ 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 speed2.8 GHzno data
Boost clock speed2.8 GHz3 GHz
Bus rate800 MHzno data
L1 cache28 KB256 KB
L2 cache2 MB512 KB
L3 cache0 KB0 KB
Chip lithography90 nm65 nm
Die size206 mm2126 mm2
Maximum core temperature64 °Cno data
Number of transistors169 million154 million
64 bit support++
Windows 11 compatibility--
VID voltage range1.2V-1.4Vno data

Compatibility

Information on Pentium D 820 and Athlon 64 X2 5800+ 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 configuration21
SocketPLGA775AM2
Power consumption (TDP)95 Watt89 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Pentium D 820 and Athlon 64 X2 5800+. You'll probably need this information if you require some particular technology.

Enhanced SpeedStep (EIST)-no data
Turbo Boost Technology-no data
Hyper-Threading Technology-no data
Idle States+no data
Demand Based Switching-no data
PAE32 Bitno data
FSB parity-no data

Security technologies

Pentium D 820 and Athlon 64 X2 5800+ technologies aimed at improving security, for example, by protecting against hacks.

TXT-no data
EDB+no data

Virtualization technologies

Virtual machine speed-up technologies supported by Pentium D 820 and Athlon 64 X2 5800+ are enumerated here.

VT-d-no data
VT-x-no data

Memory specs

Types, maximum amount and channel quantity of RAM supported by Pentium D 820 and Athlon 64 X2 5800+. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesDDR1, DDR2, DDR3no 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.

Pentium D 820 0.31
Athlon 64 X2 5800+ 0.41
+32.3%

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.

Pentium D 820 499
Athlon 64 X2 5800+ 653
+30.9%

Gaming performance

Pros & cons summary


Performance score 0.31 0.41
Chip lithography 90 nm 65 nm
Power consumption (TDP) 95 Watt 89 Watt

Athlon 64 X2 5800+ has a 32.3% higher aggregate performance score, a 38.5% more advanced lithography process, and 6.7% lower power consumption.

The Athlon 64 X2 5800+ is our recommended choice as it beats the Pentium D 820 in performance tests.


Should you still have questions on choice between Pentium D 820 and Athlon 64 X2 5800+, ask them in Comments section, and we shall answer.

Vote for your favorite

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Intel Pentium D 820
Pentium D 820
AMD Athlon 64 X2 5800+
Athlon 64 X2 5800+

Similar processor comparisons

We picked several similar comparisons of processors in the same market segment and performance relatively close to those reviewed on this page.

Community ratings

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


3.1 171 vote

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3.6 23 votes

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Questions & comments

Here you can ask a question about Pentium D 820 or Athlon 64 X2 5800+, agree or disagree with our judgements, or report an error or mismatch.