Intel Core i9-9900KS vs Intel Xeon D-1521

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Intel Core i9-9900KS
Intel Core i9-9900KS Image
Intel Xeon D-1521
Intel Xeon D-1521 Image
Intel Core i9-9900KS
Intel Xeon D-1521
Key Differences Key Differences Intel Core i9-9900KS Intel Xeon D-1521
Cores 8 4
CPU Threads 16 8
Base Clock Speed 4GHz 2.4GHz
Turbo Clock Speed 5GHz 2.7GHz
TDP (THERMAL DESIGN POINT) 127W 45W
Has integrated graphics Yes No
Performance per watt 72.3 45W
Performance Performance Intel Core i9-9900KS Intel Xeon D-1521
CPU Speed & Cores 8 x 4GHz 4 x 2.4GHz
Number of CPU Threads 16 8
L2 Cache Size 2MB 1MB
L3 Cache Size 16MB 6MB
Turbo Boost Frequency 5GHz 2.7GHz
L1 Cache Size 512KB 256KB
L2 Core 0.25MB/core 0.25MB/core
L3 Core 2MB/core 1.5MB/core
Clock Multiplier 40 24
Turbo Boost Tech Version 2 2
Does it have an unlocked multiplier Yes No Data Found
Uses ARM big.LITTLE tech No No Data Found
Uses ARM HMP No No Data Found
Turbo Core Tech Version Not Known No Data Found
Features Features Intel Core i9-9900KS Intel Xeon D-1521
Has AES Support Yes Yes
Supports CPU Throttling Yes Yes
Supported SSE Version 4.2 4.2
Has AVX Support Yes Yes
Has MMX Tech Support Yes Yes
Has F16C Support Yes Yes
Has FMA4 Instructions Support No No Data Found
Has Multithreading Tech Support Yes Yes
Has NX Processor Bit Support Yes Yes
Has FMA3 Instructions Support Yes Yes
No. of Bits Executed at a Time Not Known No Data Found
CPU Front-End Width Not Known No Data Found
Supports ARM TrustZone Tech No No Data Found
VFP Version Not Known No Data Found
Miscellaneous Miscellaneous Intel Core i9-9900KS Intel Xeon D-1521
Height 37.5mm No Data Found
Width Size 37.5mm No Data Found
General info General info Intel Core i9-9900KS Intel Xeon D-1521
Has 64-bit Support No Data Found No Data Found
Semiconductor Size 14nm 14nm
GPU Base Clock Speed 350MHz No Data Found
TDP (Thermal Design Point) 127W 45W
PCI Express Version 3 3
CPU Temperature 100°C No Data Found
DirectX Version Info 12 No Data Found
OpenGL Driver Version 4.5 No Data Found
GPU Boost Clock Speed 1200MHz No Data Found
No. of Supported Displays 3 No Data Found
Height 37.5mm 37.5mm
Width Size 37.5mm 37.5mm
Does it have Integrated Graphics Yes No
Transistor Count Not Known No Data Found
OpenGL Driver Version Not Known No Data Found
Total GPU Execution Units Not Known No Data Found
3DMark06 Score Not Known No Data Found
Total GPU Shading Units Not Known No Data Found
Total GPU ROPs Not Known No Data Found
Total GPU TMUs Not Known No Data Found
Supports Power Optimized L2 Cache No No Data Found
Memory Memory Intel Core i9-9900KS Intel Xeon D-1521
RAM Memory Speed 2666MHz 2133MHz
Max Memory Bandwidth 41.6GB/s No Data Found
Max Memory Channels 2 2
Supported Memory Size 128GB 128GB
Bus Bandwidth 8GT/s No Data Found
ECC (Error-Correcting Code) Memory Support No Yes
DDR Type Memory Version 4 No Data Found
eMMC Memory version Not Known No Data Found
Bus Frequency Not Known No Data Found
Benchmarks Benchmarks Intel Core i9-9900KS Intel Xeon D-1521
PassMark Score 19553 6980
PassMark Score (Single Thread) 3043 1441
Geekbench 5 Score (Multi-Thread) 9184 No Data Found
Cinebench R20 Score (Multi-Thread) 5226 No Data Found
Cinebench R20 Score (Single Thread) 518 No Data Found
Geekbench 5 Score (Single Thread) 1375 No Data Found
Blender Score (bmw27) 154.7seconds No Data Found
Blender Score (Classroom) 490.5seconds No Data Found
PassMark Score (Overclocked) 21393 No Data Found
CPU Performance (Per Watt) 72.3 No Data Found
Power Consumption Under High Load Not Known No Data Found
Standard Power Consumption Not Known No Data Found

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