Intel Core i9-9940X vs Intel Core i7-9800X

VS
Intel Core i9-9940X
Intel Core i9-9940X Image
Intel Core i7-9800X
Intel Core i7-9800X Image
Intel Core i9-9940X
Intel Core i7-9800X
Key Differences Key Differences Intel Core i9-9940X Intel Core i7-9800X
Cores 14 8
CPU Threads 28 16
Base Clock Speed 3.3GHz 3.8GHz
Turbo Clock Speed 4.4GHz 4.4GHz
TDP (THERMAL DESIGN POINT) 165W 165W
Has integrated graphics No No
Performance per watt 83.2 52.9
Performance Performance Intel Core i9-9940X Intel Core i7-9800X
CPU Speed & Cores 14 x 3.3GHz 8 x 3.8GHz
Number of CPU Threads 28 16
L2 Cache Size 14MB 8MB
L3 Cache Size 19.25MB 16.5MB
Turbo Boost Frequency 4.4GHz 4.4GHz
L1 Cache Size 896KB 512KB
L2 Core 1MB/core 1MB/core
L3 Core 1.38MB/core 2.06MB/core
Clock Multiplier 33 38
Turbo Boost Tech Version 2 2
Does it have an unlocked multiplier No No
Uses ARM big.LITTLE tech No No
Uses ARM HMP No No
Features Features Intel Core i9-9940X Intel Core i7-9800X
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 i9-9940X Intel Core i7-9800X
Height 45mm No Data Found
Width Size 52.5mm No Data Found
General info General info Intel Core i9-9940X Intel Core i7-9800X
Has 64-bit Support No Data Found No Data Found
Semiconductor Size 14nm 14nm
TDP (Thermal Design Point) 165W 165W
PCI Express Version 3 3
CPU Temperature 88°C 95°C
Height 45mm No Data Found
Width Size 52.5mm No Data Found
Does it have Integrated Graphics No No
Supports Power Optimized L2 Cache No No
Memory Memory Intel Core i9-9940X Intel Core i7-9800X
RAM Memory Speed 2666MHz 2666MHz
Max Memory Bandwidth 79.47GB/s 79.47GB/s
Max Memory Channels 4 4
Supported Memory Size 128GB 128GB
Bus Bandwidth 8GT/s 8GT/s
ECC (Error-Correcting Code) Memory Support No No
DDR Type Memory Version 4 4
Benchmarks Benchmarks Intel Core i9-9940X Intel Core i7-9800X
PassMark Score 28274 18293
PassMark Score (Single Thread) 2627 2642
Geekbench 5 Score (Multi-Thread) 13722 8722
Cinebench R20 Score (Multi-Thread) 5912 Not Known
Cinebench R20 Score (Single Thread) 457 Not Known
Geekbench 5 Score (Single Thread) 1148 1157
Blender Score (Classroom) 329.7seconds 594.5seconds
Blender Score (bmw27) 110.3seconds 192seconds
PassMark Score (Overclocked) 29664 20820
CPU Performance (Per Watt) 83.2 52.9

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