Core 2 Duo T5450 vs Pentium D 820

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Primary details

Comparing Pentium D 820 and Core 2 Duo T5450 processor market type (desktop or notebook), architecture, sales start time and price.

Place in the rankingnot ratednot rated
Place by popularitynot in top-100not in top-100
Market segmentDesktop processorLaptop
SeriesPentium DCore 2 Duo
Architecture codenameSmithfield (2005)Merom-2048 (2006−2008)
Release dateMay 2005 (19 years ago)no data (2024 years ago)

Detailed specifications

Pentium D 820 and Core 2 Duo T5450 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 GHz1.66 GHz
Boost clock speed2.8 GHz1.66 GHz
Bus rate800 MHz667 MHz
L1 cache28 KBno data
L2 cache2 MBno data
L3 cache0 KB2 MB L2 Cache
Chip lithography90 nm65 nm
Die size206 mm2no data
Maximum core temperature64 °C100 °C
Number of transistors169 millionno data
64 bit support++
Windows 11 compatibility--
VID voltage range1.2V-1.4V1.075V-1.25V

Compatibility

Information on Pentium D 820 and Core 2 Duo T5450 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 configuration2no data
SocketPLGA775PPGA478
Power consumption (TDP)95 Watt35 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Pentium D 820 and Core 2 Duo T5450. You'll probably need this information if you require some particular technology.

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 Core 2 Duo T5450 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 Core 2 Duo T5450 are enumerated here.

VT-d-no data
VT-x--

Memory specs

Types, maximum amount and channel quantity of RAM supported by Pentium D 820 and Core 2 Duo T5450. 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.



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
Core 2 Duo T5450 583
+16.8%

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
+3.3%
Core 2 Duo T5450 1367

Pros & cons summary


Chip lithography 90 nm 65 nm
Power consumption (TDP) 95 Watt 35 Watt

Core 2 Duo T5450 has a 38.5% more advanced lithography process, and 171.4% lower power consumption.

We couldn't decide between Pentium D 820 and Core 2 Duo T5450. We've got no test results to judge.

Note that Pentium D 820 is a desktop processor while Core 2 Duo T5450 is a notebook one.


Should you still have questions on choice between Pentium D 820 and Core 2 Duo T5450, ask them in Comments section, and we shall answer.

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Intel Pentium D 820
Pentium D 820
Intel Core 2 Duo T5450
Core 2 Duo T5450

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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3.1 48 votes

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Questions & comments

Here you can ask a question about Pentium D 820 or Core 2 Duo T5450, agree or disagree with our judgements, or report an error or mismatch.