Intel Core i7-9800X vs Intel Core i5-7640X

VS
Intel Core i7-9800X
Intel Core i7-9800X Image
Intel Core i5-7640X
Intel Core i5-7640X Image
Intel Core i7-9800X
Intel Core i5-7640X
Key Differences Key Differences Intel Core i7-9800X Intel Core i5-7640X
Cores 8 4
CPU Threads 16 4
Base Clock Speed 3.8GHz 4GHz
Turbo Clock Speed 4.4GHz 4.2GHz
TDP (THERMAL DESIGN POINT) 165W 112W
Has integrated graphics No No
Performance per watt 52.9 Not Known
Performance Performance Intel Core i7-9800X Intel Core i5-7640X
CPU Speed & Cores 8 x 3.8GHz 4 x 4GHz
Number of CPU Threads 16 4
L2 Cache Size 8MB 1MB
L3 Cache Size 16.5MB 6MB
Turbo Boost Frequency 4.4GHz 4.2GHz
L1 Cache Size 512KB 128KB
L2 Core 1MB/core 0.25MB/core
L3 Core 2.06MB/core 1.5MB/core
Clock Multiplier 38 Not Known
Turbo Boost Tech Version 2 2
Does it have an unlocked multiplier No Yes
Uses ARM big.LITTLE tech No No
Uses ARM HMP No No
Features Features Intel Core i7-9800X Intel Core i5-7640X
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
General info General info Intel Core i7-9800X Intel Core i5-7640X
Has 64-bit Support No Data Found No Data Found
Semiconductor Size 14nm 14nm
TDP (Thermal Design Point) 165W 112W
PCI Express Version 3 3
CPU Temperature 95°C Not Known
Does it have Integrated Graphics No No
Supports Power Optimized L2 Cache No No
Memory Memory Intel Core i7-9800X Intel Core i5-7640X
RAM Memory Speed 2666MHz 2666MHz
Max Memory Bandwidth 79.47GB/s Not Known
Max Memory Channels 4 2
Supported Memory Size 128GB 64GB
Bus Bandwidth 8GT/s 8GT/s
ECC (Error-Correcting Code) Memory Support No No
DDR Type Memory Version 4 Not Known
Benchmarks Benchmarks Intel Core i7-9800X Intel Core i5-7640X
PassMark Score 18293 Not Known
PassMark Score (Single Thread) 2642 Not Known
Geekbench 5 Score (Multi-Thread) 8722 Not Known
Geekbench 5 Score (Single Thread) 1157 Not Known
Blender Score (bmw27) 192seconds Not Known
Blender Score (Classroom) 594.5seconds Not Known
PassMark Score (Overclocked) 20820 Not Known
CPU Performance (Per Watt) 52.9 Not Known

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