Atom 330 vs Pentium D 820

VS

Aggregate performance score

Pentium D 820
2005
2 cores / 2 threads, 95 Watt
0.31
+34.8%
Atom 330
2008
2 cores / 4 threads, 8 Watt
0.23

Pentium D 820 outperforms Atom 330 by a substantial 35% based on our aggregate benchmark results.

Primary details

Comparing Pentium D 820 and Atom 330 processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking31013189
Place by popularitynot in top-100not in top-100
Market segmentDesktop processorLaptop
SeriesPentium DIntel Atom
Power efficiency0.312.72
Architecture codenameSmithfield (2005)Diamondville (2008−2009)
Release dateMay 2005 (19 years ago)2 April 2008 (16 years ago)
Launch price (MSRP)no data$43

Detailed specifications

Pentium D 820 and Atom 330 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)
Threads24
Base clock speed2.8 GHz1.6 GHz
Boost clock speed2.8 GHz0.1 GHz
Bus typeno dataFSB
Bus rate800 MHz533.33 MT/s
Multiplierno data12
L1 cache28 KB112 KB
L2 cache2 MB1 MB
L3 cache0 KB0 KB
Chip lithography90 nm45 nm
Die size206 mm251.9276 mm2
Maximum core temperature64 °C85 °C
Number of transistors169 million94 Million
64 bit support++
Windows 11 compatibility--
VID voltage range1.2V-1.4V0.9V-1.1625V

Compatibility

Information on Pentium D 820 and Atom 330 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 (Uniprocessor)
SocketPLGA775PBGA437
Power consumption (TDP)95 Watt8 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Pentium D 820 and Atom 330. You'll probably need this information if you require some particular technology.

Instruction set extensionsno dataIntel® SSE2, Intel® SSE3, Intel® SSSE3
Enhanced SpeedStep (EIST)--
Turbo Boost Technology--
Hyper-Threading Technology-+
Idle States+no data
Demand Based Switching--
PAE32 Bitno data
FSB parity--

Security technologies

Pentium D 820 and Atom 330 technologies aimed at improving security, for example, by protecting against hacks.

TXT--
EDB++

Virtualization technologies

Virtual machine speed-up technologies supported by Pentium D 820 and Atom 330 are enumerated here.

VT-d--
VT-x--

Memory specs

Types, maximum amount and channel quantity of RAM supported by Pentium D 820 and Atom 330. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesDDR1, DDR2, DDR3no data
Maximum memory sizeno data8 GB

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
+34.8%
Atom 330 0.23

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
+37.5%
Atom 330 363

3DMark06 CPU

3DMark06 is a discontinued DirectX 9 benchmark suite from Futuremark. Its CPU part contains two scenarios, one dedicated to artificial intelligence pathfinding, another to game physics using PhysX package.

Pentium D 820 1412
+71.3%
Atom 330 825

Gaming performance

Pros & cons summary


Performance score 0.31 0.23
Threads 2 4
Chip lithography 90 nm 45 nm
Power consumption (TDP) 95 Watt 8 Watt

Pentium D 820 has a 34.8% higher aggregate performance score.

Atom 330, on the other hand, has 100% more threads, a 100% more advanced lithography process, and 1087.5% lower power consumption.

The Pentium D 820 is our recommended choice as it beats the Atom 330 in performance tests.

Note that Pentium D 820 is a desktop processor while Atom 330 is a notebook one.


Should you still have questions on choice between Pentium D 820 and Atom 330, ask them in Comments section, and we shall answer.

Vote for your favorite

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Intel Pentium D 820
Pentium D 820
Intel Atom 330
Atom 330

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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 Pentium D 820 or Atom 330, agree or disagree with our judgements, or report an error or mismatch.