Xeon D-1531 vs i7-9700K

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Aggregate performance score

Core i7-9700K
2018
8 cores / 8 threads, 95 Watt
9.10
+90.4%
Xeon D-1531
2015
6 cores / 12 threads, 45 Watt
4.78

Core i7-9700K outperforms Xeon D-1531 by an impressive 90% based on our aggregate benchmark results.

Primary details

Comparing Core i7-9700K and Xeon D-1531 processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking8431258
Place by popularitynot in top-100not in top-100
Cost-effectiveness evaluation7.432.69
Market segmentDesktop processorServer
SeriesIntel Core i7Intel Xeon D
Power efficiency9.0712.92
Architecture codenameCoffee Lake-R (2018−2019)Broadwell (2015−2019)
Release date8 October 2018 (6 years ago)1 November 2015 (9 years ago)
Launch price (MSRP)$374$348

Cost-effectiveness evaluation

Performance per price, higher is better.

i7-9700K has 176% better value for money than Xeon D-1531.

Detailed specifications

Core i7-9700K and Xeon D-1531 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)6 (Hexa-Core)
Threads812
Base clock speed3.6 GHz2.2 GHz
Boost clock speed4.9 GHz2.7 GHz
Bus typeDMI 3.0DMI 2.0
Bus rate4 × 8 GT/sno data
Multiplier3622
L1 cache512 KB384 KB
L2 cache2 MB1.5 MB
L3 cache12 MB (shared)9 MB
Chip lithography14 nm14 nm
Die size178 mm2246.24 mm2
Maximum core temperature100 °Cno data
Maximum case temperature (TCase)72 °C80 °C
Number of transistorsno data3200 Million
64 bit support++
Windows 11 compatibility+-
Unlocked multiplier+-

Compatibility

Information on Core i7-9700K and Xeon D-1531 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 (Uniprocessor)
SocketLGA-1151FCBGA1667
Power consumption (TDP)95 Watt45 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Core i7-9700K and Xeon D-1531. You'll probably need this information if you require some particular technology.

Instruction set extensionsIntel® SSE4.1, Intel® SSE4.2, Intel® AVX2Intel® AVX2
AES-NI++
AVX++
vPro+no data
Enhanced SpeedStep (EIST)++
Turbo Boost Technology2.02.0
Hyper-Threading Technology++
TSX++
Idle States++
Thermal Monitoring++
SIPP+-
GPIOno data+

Security technologies

Core i7-9700K and Xeon D-1531 technologies aimed at improving security, for example, by protecting against hacks.

TXT++
EDB++
Secure Key++
MPX+-
Identity Protection+-
SGXYes with Intel® MEno data
OS Guard++

Virtualization technologies

Virtual machine speed-up technologies supported by Core i7-9700K and Xeon D-1531 are enumerated here.

AMD-V+-
VT-d++
VT-x++
EPT++

Memory specs

Types, maximum amount and channel quantity of RAM supported by Core i7-9700K and Xeon D-1531. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesDDR4DDR4, DDR3
Maximum memory size128 GB128 GB
Max memory channels22
Maximum memory bandwidth42.671 GB/s34.124 GB/s
ECC memory support-+

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics cardIntel UHD Graphics 630no data
Max video memory64 GBno data
Quick Sync Video+-
Clear Video+no data
Clear Video HD+no data
Graphics max frequency1.2 GHzno data
InTru 3D+no data

Graphics interfaces

Available interfaces and connections of Core i7-9700K and Xeon D-1531 integrated GPUs.

Number of displays supported3no data

Graphics image quality

Maximum display resolutions supported by Core i7-9700K and Xeon D-1531 integrated GPUs, including resolutions over different interfaces.

4K resolution support+no data
Max resolution over HDMI 1.44096 x 2304@24Hzno data
Max resolution over eDP4096 x 2304@60Hzno data
Max resolution over DisplayPort4096 x 2304@60Hzno data

Graphics API support

APIs supported by Core i7-9700K and Xeon D-1531 integrated GPUs, sometimes API versions are included.

DirectX12no data
OpenGL4.5no data

Peripherals

Specifications and connection of peripherals supported by Core i7-9700K and Xeon D-1531.

PCIe version3.02.0/3.0
PCI Express lanes1624
USB revisionno data2.0/3.0
Total number of SATA portsno data6
Number of USB portsno data8
Integrated LANno data+
UARTno 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.

i7-9700K 9.10
+90.4%
Xeon D-1531 4.78

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.

i7-9700K 14453
+90.4%
Xeon D-1531 7592

Gaming performance

Pros & cons summary


Performance score 9.10 4.78
Recency 8 October 2018 1 November 2015
Physical cores 8 6
Threads 8 12
Power consumption (TDP) 95 Watt 45 Watt

i7-9700K has a 90.4% higher aggregate performance score, an age advantage of 2 years, and 33.3% more physical cores.

Xeon D-1531, on the other hand, has 50% more threads, and 111.1% lower power consumption.

The Core i7-9700K is our recommended choice as it beats the Xeon D-1531 in performance tests.

Note that Core i7-9700K is a desktop processor while Xeon D-1531 is a server/workstation one.


Should you still have questions on choice between Core i7-9700K and Xeon D-1531, ask them in Comments section, and we shall answer.

Vote for your favorite

Do you think we are right or mistaken in our choice? Vote by clicking "Like" button near your favorite CPU.


Intel Core i7-9700K
Core i7-9700K
Intel Xeon D-1531
Xeon D-1531

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Community ratings

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Questions & comments

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