Intel Core i9-9900KF vs Intel Core i7-990X

VS
Intel Core i9-9900KF
Intel Core i9-9900KF Image
Intel Core i7-990X
Intel Core i7-990X Image
Intel Core i9-9900KF
Intel Core i7-990X
Key Differences Key Differences Intel Core i9-9900KF Intel Core i7-990X
Cores 8 6
CPU Threads 16 12
Base Clock Speed 3.6GHz 3.46GHz
Turbo Clock Speed 5GHz 3.73GHz
TDP (THERMAL DESIGN POINT) 95W 130W
Has integrated graphics No No
Performance per watt 90.8 97.0
Performance Performance Intel Core i9-9900KF Intel Core i7-990X
CPU Speed & Cores 8 x 3.6GHz 6 x 3.46GHz
Number of CPU Threads 16 12
L2 Cache Size 2MB 1.5MB
L3 Cache Size 16MB 12MB
Turbo Boost Frequency 5GHz 3.73GHz
L1 Cache Size 512KB 384KB
L2 Core 0.25MB/core 0.25MB/core
Does it have an unlocked multiplier Yes Yes
L3 Core 2MB/core 2MB/core
Turbo Boost Tech Version 2 Not Known
Uses ARM big.LITTLE tech No No
Uses ARM HMP No No
Clock Multiplier Not Known 26
Features Features Intel Core i9-9900KF Intel Core i7-990X
Has AES Support Yes Yes
Supported SSE Version 4.2 4.2
Has AVX Support Yes No
Has MMX Tech Support Yes Yes
Has F16C Support Yes No
Has FMA4 Instructions Support No No
Has Multithreading Tech Support Yes Yes
Has NX Processor Bit Support Yes Yes
Has FMA3 Instructions Support Yes No
Supports CPU Throttling No Yes
Supports ARM TrustZone Tech No No
Miscellaneous Miscellaneous Intel Core i9-9900KF Intel Core i7-990X
Height 37.5mm 45mm
Width Size 37.5mm 42.5mm
General info General info Intel Core i9-9900KF Intel Core i7-990X
Has 64-bit Support No Data Found No Data Found
Semiconductor Size 14nm 32nm
TDP (Thermal Design Point) 95W 130W
PCI Express Version 3 3
CPU Temperature 100°C Not Known
Width Size 37.5mm 42.5mm
Height 37.5mm 45mm
Does it have Integrated Graphics No No
Transistor Count Not Known 1170 million
Supports Power Optimized L2 Cache No No
Memory Memory Intel Core i9-9900KF Intel Core i7-990X
RAM Memory Speed 2666MHz 1066MHz
Max Memory Bandwidth 41.6GB/s 25.6GB/s
Max Memory Channels 2 3
Supported Memory Size 128GB 24GB
Bus Bandwidth 8GT/s 6.4GT/s
ECC (Error-Correcting Code) Memory Support No No
DDR Type Memory Version 4 Not Known
Benchmarks Benchmarks Intel Core i9-9900KF Intel Core i7-990X
PassMark Score 18920 9374
PassMark Score (Single Thread) 3003 1510
Geekbench 5 Score (Multi-Thread) 8622 Not Known
Cinebench R20 Score (Multi-Thread) 4995 Not Known
Cinebench R20 Score (Single Thread) 518 Not Known
Geekbench 5 Score (Single Thread) 1318 Not Known
Blender Score (Classroom) 550.7seconds Not Known
Blender Score (bmw27) 164.8seconds Not Known
PassMark Score (Overclocked) 19916 11238
CPU Performance (Per Watt) 90.8 97.0

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