Intel Core i5-10400 vs Intel Atom Z2520

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Intel Core i5-10400
Intel Core i5-10400 Image
Intel Atom Z2520
Intel Atom Z2520 Image
Intel Core i5-10400
Intel Atom Z2520
Key Differences Key Differences Intel Core i5-10400 Intel Atom Z2520
Cores 6 2
CPU Threads 12 4
Base Clock Speed 2.9GHz 1.2GHz
Turbo Clock Speed 4.3GHz Not Known
TDP (THERMAL DESIGN POINT) 65W 90W
Has integrated graphics Yes Yes
Performance per watt 87.4 Not Known
Performance Performance Intel Core i5-10400 Intel Atom Z2520
CPU Speed & Cores 6 x 2.9GHz 2 x 1.2GHz
Number of CPU Threads 12 4
L2 Cache Size 1.5MB 1MB
L3 Cache Size 12MB Not Known
Turbo Boost Frequency 4.3GHz Not Known
L1 Cache Size 384KB 64KB
L2 Core 0.25MB/core 0.5MB/core
L3 Core 2MB/core Not Known
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
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Features Features Intel Core i5-10400 Intel Atom Z2520
Has AES Support Yes No
Supports CPU Throttling Yes No
Supported SSE Version 4.2 3
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 No
Has FMA3 Instructions Support Yes No
Supports ARM TrustZone Tech No No
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Miscellaneous Miscellaneous Intel Core i5-10400 Intel Atom Z2520
Height 37.5mm 14mm
Width Size 37.5mm 14mm
General info General info Intel Core i5-10400 Intel Atom Z2520
Has 64-bit Support Yes No
Semiconductor Size 14nm 32nm
GPU Base Clock Speed 350MHz 300MHz
TDP (Thermal Design Point) 65W 90W
PCI Express Version 3 Not Known
CPU Temperature 100°C Not Known
DirectX Version Info 12 Not Known
OpenGL Driver Version 4.5 Not Known
GPU Boost Clock Speed 1100MHz Not Known
No. of Supported Displays 3 2
Width Size 37.5mm 14mm
Height 37.5mm 14mm
Does it have Integrated Graphics Yes Yes
Supports Power Optimized L2 Cache No No
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Memory Memory Intel Core i5-10400 Intel Atom Z2520
RAM Memory Speed 2666MHz 1066MHz
Max Memory Bandwidth 41.6GB/s 8.5GB/s
Max Memory Channels 2 2
Supported Memory Size 128GB 2GB
Bus Bandwidth 8GT/s Not Known
ECC (Error-Correcting Code) Memory Support No No
DDR Type Memory Version 4 Not Known
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Benchmarks Benchmarks Intel Core i5-10400 Intel Atom Z2520
PassMark Score 12495 Not Known
PassMark Score (Single Thread) 2596 Not Known
Cinebench R20 Score (Single Thread) 450 Not Known
Cinebench R20 Score (Multi-Thread) 3197 Not Known
Blender Score (bmw27) 256.8seconds Not Known
Blender Score (Classroom) 820.4seconds Not Known
Geekbench 5 Score (Multi-Thread) 5681 Not Known
Geekbench 5 Score (Single Thread) 1118 Not Known
PassMark Score (Overclocked) 12857 Not Known
CPU Performance (Per Watt) 87.4 Not Known
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