Pentium D 820 vs Phenom II X4 925

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Aggregate performance score

Phenom II X4 925
2009
4 cores / 4 threads, 95 Watt
1.43
+361%
Pentium D 820
2005
2 cores / 2 threads, 95 Watt
0.31

Phenom II X4 925 outperforms Pentium D 820 by a whopping 361% based on our aggregate benchmark results.

Primary details

Comparing Phenom II X4 925 and Pentium D 820 processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking21993101
Place by popularitynot in top-100not in top-100
Cost-effectiveness evaluation0.15no data
Market segmentDesktop processorDesktop processor
Seriesno dataPentium D
Power efficiency1.420.31
Architecture codenameDeneb (2009−2011)Smithfield (2005)
Release date11 May 2009 (15 years ago)May 2005 (19 years ago)
Launch price (MSRP)$160no data

Cost-effectiveness evaluation

Performance per price, higher is better.

no data

Detailed specifications

Phenom II X4 925 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 speed2.8 GHz2.8 GHz
Boost clock speed2.8 GHz2.8 GHz
Bus rateno data800 MHz
L1 cache128 KB (per core)28 KB
L2 cache512 KB (per core)2 MB
L3 cache6 MB (shared)0 KB
Chip lithography45 nm90 nm
Die size258 mm2206 mm2
Maximum core temperatureno data64 °C
Number of transistors758 million169 million
64 bit support++
Windows 11 compatibility--
VID voltage rangeno data1.2V-1.4V

Compatibility

Information on Phenom II X4 925 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
SocketAM3PLGA775
Power consumption (TDP)95 Watt95 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Phenom II X4 925 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

Phenom II X4 925 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 Phenom II X4 925 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 Phenom II X4 925 and Pentium D 820. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesDDR3DDR1, DDR2, DDR3

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics cardOn certain motherboards (Chipset feature)no data

Peripherals

Specifications and connection of peripherals supported by Phenom II X4 925 and Pentium D 820.

PCIe version2.0no 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.

Phenom II X4 925 1.43
+361%
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.

Phenom II X4 925 2272
+355%
Pentium D 820 499

Gaming performance

Pros & cons summary


Performance score 1.43 0.31
Physical cores 4 2
Threads 4 2
Chip lithography 45 nm 90 nm

Phenom II X4 925 has a 361.3% higher aggregate performance score, 100% more physical cores and 100% more threads, and a 100% more advanced lithography process.

The Phenom II X4 925 is our recommended choice as it beats the Pentium D 820 in performance tests.


Should you still have questions on choice between Phenom II X4 925 and Pentium D 820, ask them in Comments section, and we shall answer.

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AMD Phenom II X4 925
Phenom II X4 925
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.


3.9 327 votes

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Questions & comments

Here you can ask a question about Phenom II X4 925 or Pentium D 820, agree or disagree with our judgements, or report an error or mismatch.