Intel Core i9-9900K vs Intel Xeon E5-2665

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Intel Core i9-9900K
Intel Core i9-9900K Image
Intel Xeon E5-2665
Intel Xeon E5-2665 Image
Intel Core i9-9900K
Intel Xeon E5-2665
Key Differences Key Differences Intel Core i9-9900K Intel Xeon E5-2665
Cores 8 8
CPU Threads 16 16
Base Clock Speed 3.6GHz 2.4GHz
Turbo Clock Speed 5GHz 3.1GHz
TDP (THERMAL DESIGN POINT) 95W 115W
Has integrated graphics Yes 115W
Performance per watt 92.6 127.0
Performance Performance Intel Core i9-9900K Intel Xeon E5-2665
CPU Speed & Cores 8 x 3.6GHz 8 x 2.4GHz
Number of CPU Threads 16 16
L2 Cache Size 2MB 2MB
L3 Cache Size 16MB 20MB
Turbo Boost Frequency 5GHz 3.1GHz
L1 Cache Size 512KB 512KB
L2 Core 0.25MB/core 0.25MB/core
Does it have an unlocked multiplier Yes Yes
L3 Core 2MB/core 2.5MB/core
Uses ARM big.LITTLE tech No Yes
Clock Multiplier 36 24
Turbo Boost Tech Version 2 Yes
Uses ARM HMP No Yes
Turbo Core Tech Version Not Known Yes
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Features Features Intel Core i9-9900K Intel Xeon E5-2665
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 Yes
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 Yes
CPU Front-End Width Not Known Yes
Supports ARM TrustZone Tech No Yes
VFP Version Not Known Yes
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Miscellaneous Miscellaneous Intel Core i9-9900K Intel Xeon E5-2665
Height 37.5mm Yes
Width Size 37.5mm Yes
General info General info Intel Core i9-9900K Intel Xeon E5-2665
Has 64-bit Support Yes Yes
Semiconductor Size 14nm 32nm
GPU Base Clock Speed 350MHz Yes
TDP (Thermal Design Point) 95W 115W
PCI Express Version 3 3
CPU Temperature 100°C Yes
DirectX Version Info 12 Yes
OpenGL Driver Version 4.5 Yes
GPU Boost Clock Speed 1200MHz Yes
No. of Supported Displays 3 Yes
Height 37.5mm 52.5mm
Width Size 37.5mm 45mm
Does it have Integrated Graphics Yes Yes
Transistor Count Not Known 2270 million
OpenGL Driver Version Not Known Yes
Total GPU Execution Units Not Known Yes
3DMark06 Score Not Known Yes
Total GPU Shading Units Not Known Yes
Total GPU ROPs Not Known Yes
Total GPU TMUs Not Known Yes
Supports Power Optimized L2 Cache No Yes
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Memory Memory Intel Core i9-9900K Intel Xeon E5-2665
RAM Memory Speed 2666MHz 1600MHz
Max Memory Bandwidth 41.6GB/s 51.2GB/s
Max Memory Channels 2 4
Supported Memory Size 128GB 750GB
Bus Bandwidth 8GT/s 8GT/s
ECC (Error-Correcting Code) Memory Support No Yes
DDR Type Memory Version 4 Yes
eMMC Memory version Not Known Yes
Bus Frequency Not Known Yes
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Benchmarks Benchmarks Intel Core i9-9900K Intel Xeon E5-2665
PassMark Score 18898 12658
PassMark Score (Single Thread) 2986 1586
Geekbench 5 Score (Multi-Thread) 8795 Yes
Cinebench R20 Score (Single Thread) 518 Yes
Cinebench R20 Score (Multi-Thread) 4995 Yes
Geekbench 5 Score (Single Thread) 1336 Yes
Blender Score (bmw27) 164.2seconds Yes
Blender Score (Classroom) 544seconds Yes
PassMark Score (Overclocked) 20704 Yes
CPU Performance (Per Watt) 92.6 127.0
Power Consumption Under High Load Not Known Yes
Standard Power Consumption Not Known Yes
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