Intel Core i9-9900X vs Intel Atom C3858

VS
Intel Core i9-9900X
Intel Core i9-9900X Image
Intel Atom C3858
Intel Atom C3858 Image
Intel Core i9-9900X
Intel Atom C3858
Key Differences Key Differences Intel Core i9-9900X Intel Atom C3858
Cores 10 12
CPU Threads 20 12
Base Clock Speed 3.5GHz 2GHz
Turbo Clock Speed 4.4GHz 2GHz
TDP (THERMAL DESIGN POINT) 165W 25W
Has integrated graphics No No
Performance per watt 61.8 Not Known
Performance Performance Intel Core i9-9900X Intel Atom C3858
CPU Speed & Cores 10 x 3.5GHz 12 x 2GHz
Number of CPU Threads 20 12
L2 Cache Size 10MB 12MB
L3 Cache Size 19.25MB Not Known
Turbo Boost Frequency 4.4GHz 2GHz
L1 Cache Size 640KB 672KB
L2 Core 1MB/core 1MB/core
L3 Core 1.93MB/core Not Known
Clock Multiplier 35 20
Turbo Boost Tech Version 2 Not Known
Does it have an unlocked multiplier No No
Uses ARM big.LITTLE tech No No
Uses ARM HMP No No
Features Features Intel Core i9-9900X Intel Atom C3858
Has AES Support Yes Yes
Supports CPU Throttling Yes Yes
Supported SSE Version 4.2 Not Known
Has AVX Support Yes No
Has MMX Tech Support Yes Yes
Has F16C Support Yes No
Has Multithreading Tech Support Yes Yes
Has NX Processor Bit Support Yes Yes
Has FMA3 Instructions Support Yes No
Supports ARM TrustZone Tech No No
Has FMA4 Instructions Support No No
General info General info Intel Core i9-9900X Intel Atom C3858
Has 64-bit Support No Data Found No Data Found
Semiconductor Size 14nm 14nm
TDP (Thermal Design Point) 165W 25W
PCI Express Version 3 3
CPU Temperature 92°C 100°C
Does it have Integrated Graphics No No
3DMark06 Score Not Known No Data Found
Supports Power Optimized L2 Cache No No Data Found
Memory Memory Intel Core i9-9900X Intel Atom C3858
RAM Memory Speed 2666MHz 2400MHz
Max Memory Channels 4 2
Supported Memory Size 128GB 256GB
Bus Bandwidth 8GT/s Not Known
ECC (Error-Correcting Code) Memory Support No Yes
DDR Type Memory Version 4 Not Known
Benchmarks Benchmarks Intel Core i9-9900X Intel Atom C3858
PassMark Score 21793 Not Known
PassMark Score (Single Thread) 2590 Not Known
Geekbench 5 Score (Multi-Thread) 10204 Not Known
Cinebench R20 Score (Multi-Thread) 4855 Not Known
Cinebench R20 Score (Single Thread) 455 Not Known
Geekbench 5 Score (Single Thread) 1115 Not Known
PassMark Score (Overclocked) 23091 Not Known
CPU Performance (Per Watt) 61.8 Not Known
Power Consumption Under High Load Not Known No Data Found
Standard Power Consumption Not Known No Data Found

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