Pentium D 820 vs Xeon W-2145

VS

Aggregate performance score

Xeon W-2145
2017
8 cores / 16 threads, 140 Watt
11.45
+3594%
Pentium D 820
2005
2 cores / 2 threads, 95 Watt
0.31

Xeon W-2145 outperforms Pentium D 820 by a whopping 3594% based on our aggregate benchmark results.

Primary details

Comparing Xeon W-2145 and Pentium D 820 processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking6893101
Place by popularitynot in top-100not in top-100
Cost-effectiveness evaluation7.34no data
Market segmentServerDesktop processor
SeriesIntel Xeon WPentium D
Power efficiency7.740.31
Architecture codenameSkylake (server) (2017−2018)Smithfield (2005)
Release date29 August 2017 (7 years ago)May 2005 (19 years ago)
Launch price (MSRP)$1,113no data

Cost-effectiveness evaluation

Performance per price, higher is better.

no data

Detailed specifications

Xeon W-2145 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 cores8 (Octa-Core)2 (Dual-core)
Threads162
Base clock speed3.7 GHz2.8 GHz
Boost clock speed4.5 GHz2.8 GHz
Bus typeDMI 3.0no data
Bus rate4 × 8 GT/s800 MHz
Multiplier37no data
L1 cache64K (per core)28 KB
L2 cache1 MB (per core)2 MB
L3 cache11 MB (shared)0 KB
Chip lithography14 nm90 nm
Die size484 mm2206 mm2
Maximum core temperatureno data64 °C
Maximum case temperature (TCase)70 °Cno data
Number of transistorsno data169 million
64 bit support++
Windows 11 compatibility+-
VID voltage rangeno data1.2V-1.4V

Compatibility

Information on Xeon W-2145 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 configuration1 (Uniprocessor)2
SocketSocket R4PLGA775
Power consumption (TDP)140 Watt95 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Xeon W-2145 and Pentium D 820. You'll probably need this information if you require some particular technology.

Instruction set extensionsIntel® SSE4.2, Intel® AVX, Intel® AVX2, Intel® AVX-512no data
AES-NI+-
AVX+-
vPro+no data
Enhanced SpeedStep (EIST)+-
Speed Shift+no data
Turbo Boost Technology2.0-
Hyper-Threading Technology+-
TSX+-
Idle States++
Thermal Monitoring+-
Flex Memory Access-no data
Demand Based Switching+-
PAE46 Bit32 Bit
Turbo Boost Max 3.0-no data
FSB parityno data-

Security technologies

Xeon W-2145 and Pentium D 820 technologies aimed at improving security, for example, by protecting against hacks.

TXT+-
EDB++
Secure Key+no data
MPX+-
Identity Protection+-
SGX-no data
OS Guard+no data

Virtualization technologies

Virtual machine speed-up technologies supported by Xeon W-2145 and Pentium D 820 are enumerated here.

AMD-V+-
VT-d+-
VT-x+-
EPT+no data

Memory specs

Types, maximum amount and channel quantity of RAM supported by Xeon W-2145 and Pentium D 820. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesDDR4DDR1, DDR2, DDR3
Maximum memory size512 GBno data
Max memory channels4no data
Maximum memory bandwidth85.33 GB/sno data
ECC memory support+-

Peripherals

Specifications and connection of peripherals supported by Xeon W-2145 and Pentium D 820.

PCIe version3.0no data
PCI Express lanes48no 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.

Xeon W-2145 11.45
+3594%
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.

Xeon W-2145 18187
+3545%
Pentium D 820 499

Gaming performance

Pros & cons summary


Performance score 11.45 0.31
Physical cores 8 2
Threads 16 2
Chip lithography 14 nm 90 nm
Power consumption (TDP) 140 Watt 95 Watt

Xeon W-2145 has a 3593.5% higher aggregate performance score, 300% more physical cores and 700% more threads, and a 542.9% more advanced lithography process.

Pentium D 820, on the other hand, has 47.4% lower power consumption.

The Xeon W-2145 is our recommended choice as it beats the Pentium D 820 in performance tests.

Be aware that Xeon W-2145 is a server/workstation processor while Pentium D 820 is a desktop one.


Should you still have questions on choice between Xeon W-2145 and Pentium D 820, ask them in Comments section, and we shall answer.

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Intel Xeon W-2145
Xeon W-2145
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.


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Questions & comments

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