Intel Core i9-9900K vs Intel Xeon E3-1275 v3

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Intel Core i9-9900K
Intel Core i9-9900K Image
Intel Xeon E3-1275 v3
Intel Xeon E3-1275 v3 Image
Intel Core i9-9900K
Intel Xeon E3-1275 v3
Key Differences Key Differences Intel Core i9-9900K Intel Xeon E3-1275 v3
Cores 8 4
CPU Threads 16 8
Base Clock Speed 3.6GHz 3.5GHz
Turbo Clock Speed 5GHz 3.9GHz
TDP (THERMAL DESIGN POINT) 95W 84W
Has integrated graphics Yes Yes
Performance per watt 92.6 Not Known
Performance Performance Intel Core i9-9900K Intel Xeon E3-1275 v3
CPU Speed & Cores 8 x 3.6GHz 4 x 3.5GHz
Number of CPU Threads 16 8
L2 Cache Size 2MB 1MB
L3 Cache Size 16MB 8MB
Turbo Boost Frequency 5GHz 3.9GHz
L1 Cache Size 512KB 256KB
L2 Core 0.25MB/core 0.25MB/core
Does it have an unlocked multiplier Yes No
L3 Core 2MB/core 2MB/core
Uses ARM big.LITTLE tech No No
Clock Multiplier 36 Not Known
Turbo Boost Tech Version 2 Not Known
Uses ARM HMP No No
Features Features Intel Core i9-9900K Intel Xeon E3-1275 v3
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
Has Multithreading Tech Support Yes Yes
Has NX Processor Bit Support Yes Yes
Has FMA3 Instructions Support Yes Yes
Supports ARM TrustZone Tech No No
Miscellaneous Miscellaneous Intel Core i9-9900K Intel Xeon E3-1275 v3
Height 37.5mm 37.5mm
Width Size 37.5mm 37.5mm
General info General info Intel Core i9-9900K Intel Xeon E3-1275 v3
Has 64-bit Support No Data Found No Data Found
Semiconductor Size 14nm 22nm
GPU Base Clock Speed 350MHz 350MHz
TDP (Thermal Design Point) 95W 84W
PCI Express Version 3 3
CPU Temperature 100°C Not Known
DirectX Version Info 12 11.1
OpenGL Driver Version 4.5 4
GPU Boost Clock Speed 1200MHz 1250MHz
No. of Supported Displays 3 3
Height 37.5mm 37.5mm
Width Size 37.5mm 37.5mm
Does it have Integrated Graphics Yes Yes
OpenGL Driver Version Not Known 1.2
Total GPU Execution Units Not Known 20
Supports Power Optimized L2 Cache No No
Memory Memory Intel Core i9-9900K Intel Xeon E3-1275 v3
RAM Memory Speed 2666MHz 1600MHz
Max Memory Bandwidth 41.6GB/s 25.6GB/s
Max Memory Channels 2 2
Supported Memory Size 128GB 32GB
Bus Bandwidth 8GT/s 5GT/s
ECC (Error-Correcting Code) Memory Support No Yes
DDR Type Memory Version 4 Not Known
Benchmarks Benchmarks Intel Core i9-9900K Intel Xeon E3-1275 v3
PassMark Score 18898 Not Known
PassMark Score (Single Thread) 2986 Not Known
Geekbench 5 Score (Multi-Thread) 8795 Not Known
Cinebench R20 Score (Single Thread) 518 Not Known
Cinebench R20 Score (Multi-Thread) 4995 Not Known
Geekbench 5 Score (Single Thread) 1336 Not Known
Blender Score (bmw27) 164.2seconds Not Known
Blender Score (Classroom) 544seconds Not Known
PassMark Score (Overclocked) 20704 Not Known
CPU Performance (Per Watt) 92.6 Not Known

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