Pentium 8505 vs Xeon D-1581

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Primary details

Comparing Xeon D-1581 and Pentium 8505 processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking912not rated
Place by popularitynot in top-100not in top-100
Market segmentServerLaptop
SeriesIntel Xeon DIntel Alder Lake-M
Power efficiency12.15no data
Architecture codenameBroadwell (2015−2019)Alder Lake-U (2022)
Release date24 February 2016 (8 years ago)23 February 2022 (2 years ago)

Detailed specifications

Xeon D-1581 and Pentium 8505 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 cores16 (Hexadeca-Core)5 (Penta-Core)
Performance-coresno data1
Efficient-coresno data4
Threads326
Base clock speed1.8 GHz1.2 GHz
Boost clock speed2.4 GHz4.4 GHz
Bus typeDMI 2.0no data
Multiplier18no data
L1 cache64K (per core)80K (per core)
L2 cache256K (per core)1.25 MB (per core)
L3 cache1.5 MB (per core)8 MB (shared)
Chip lithography14 nmIntel 7 nm
Die size306.18 mm2no data
Maximum core temperatureno data100 °C
Maximum case temperature (TCase)80 °Cno data
Number of transistors3,200 millionno data
64 bit support++
Windows 11 compatibility-no data

Compatibility

Information on Xeon D-1581 and Pentium 8505 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)1
SocketFCBGA1667Intel BGA 1744
Power consumption (TDP)65 Watt15 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Xeon D-1581 and Pentium 8505. You'll probably need this information if you require some particular technology.

Instruction set extensionsIntel® AVX2Intel® SSE4.1, Intel® SSE4.2, Intel® AVX2
AES-NI++
AVX++
Enhanced SpeedStep (EIST)++
Speed Shiftno data+
Turbo Boost Technology2.0no data
Hyper-Threading Technology++
TSX++
Idle States+no data
Thermal Monitoring++
Flex Memory Accessno data+
GPIO+no data
Deep Learning Boost-+

Security technologies

Xeon D-1581 and Pentium 8505 technologies aimed at improving security, for example, by protecting against hacks.

TXT++
EDB+no data
Secure Key++
OS Guard++

Virtualization technologies

Virtual machine speed-up technologies supported by Xeon D-1581 and Pentium 8505 are enumerated here.

VT-d++
VT-x++
EPT++

Memory specs

Types, maximum amount and channel quantity of RAM supported by Xeon D-1581 and Pentium 8505. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesDDR4, DDR3DDR4, DDR5
Maximum memory size128 GB64 GB
Max memory channels22
Maximum memory bandwidth34.124 GB/sno data
ECC memory support+-

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics cardno dataIntel UHD Graphics for 12th Gen Intel Processors
Quick Sync Video-+
Graphics max frequencyno data1.1 GHz
Execution Unitsno data48

Graphics interfaces

Available interfaces and connections of Xeon D-1581 and Pentium 8505 integrated GPUs.

Number of displays supportedno data4

Graphics image quality

Maximum display resolutions supported by Xeon D-1581 and Pentium 8505 integrated GPUs, including resolutions over different interfaces.

Max resolution over HDMI 1.4no data4096 x 2304 @ 60Hz
Max resolution over eDPno data4096 x 2304 @ 120Hz
Max resolution over DisplayPortno data7680 x 4320 @ 60Hz

Graphics API support

APIs supported by Xeon D-1581 and Pentium 8505 integrated GPUs, sometimes API versions are included.

DirectXno data12.1
OpenGLno data4.6

Peripherals

Specifications and connection of peripherals supported by Xeon D-1581 and Pentium 8505.

PCIe version2.0/3.04.0
PCI Express lanes2420
USB revision2.0/3.0no data
Total number of SATA ports6no data
Number of USB ports8no data
Integrated LAN+no data
UART+no data

Pros & cons summary


Recency 24 February 2016 23 February 2022
Physical cores 16 5
Threads 32 6
Power consumption (TDP) 65 Watt 15 Watt

Xeon D-1581 has 220% more physical cores and 433.3% more threads.

Pentium 8505, on the other hand, has an age advantage of 5 years, and 333.3% lower power consumption.

We couldn't decide between Xeon D-1581 and Pentium 8505. We've got no test results to judge.

Be aware that Xeon D-1581 is a server/workstation processor while Pentium 8505 is a notebook one.


Should you still have questions on choice between Xeon D-1581 and Pentium 8505, ask them in Comments section, and we shall answer.

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Intel Xeon D-1581
Xeon D-1581
Intel Pentium 8505
Pentium 8505

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