Intel Core i7-9800X vs Intel Celeron 877

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Intel Core i7-9800X
Intel Core i7-9800X Image
Intel Celeron 877
Intel Celeron 877 Image
Intel Core i7-9800X
Intel Celeron 877
Key Differences Key Differences Intel Core i7-9800X Intel Celeron 877
Cores 8 2
CPU Threads 16 2
Base Clock Speed 3.8GHz 1.4GHz
Turbo Clock Speed 4.4GHz Not Known
TDP (THERMAL DESIGN POINT) 165W 17W
Has integrated graphics No Yes
Performance per watt 52.9 148.0
Performance Performance Intel Core i7-9800X Intel Celeron 877
CPU Speed & Cores 8 x 3.8GHz 2 x 1.4GHz
Number of CPU Threads 16 2
L2 Cache Size 8MB 0.5MB
L3 Cache Size 16.5MB 2MB
Turbo Boost Frequency 4.4GHz Not Known
L1 Cache Size 512KB 128KB
L2 Core 1MB/core 0.25MB/core
L3 Core 2.06MB/core 1MB/core
Clock Multiplier 38 14
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 i7-9800X Intel Celeron 877
Has AES Support Yes No
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 No
Has FMA4 Instructions Support No No
Has Multithreading Tech Support Yes No
Has NX Processor Bit Support Yes Yes
Has FMA3 Instructions Support Yes No
Supports ARM TrustZone Tech No No
General info General info Intel Core i7-9800X Intel Celeron 877
Has 64-bit Support No Data Found No Data Found
Semiconductor Size 14nm 32nm
TDP (Thermal Design Point) 165W 17W
PCI Express Version 3 2
CPU Temperature 95°C 100°C
Does it have Integrated Graphics No Yes
GPU Base Clock Speed Not Known 350MHz
DirectX Version Info Not Known 10.1
Transistor Count Not Known 995 million
OpenGL Driver Version Not Known 3
OpenGL Driver Version Not Known 1.1
GPU Boost Clock Speed Not Known 1000MHz
Total GPU Execution Units Not Known 6
No. of Supported Displays Not Known 2
Supports Power Optimized L2 Cache No No
Memory Memory Intel Core i7-9800X Intel Celeron 877
RAM Memory Speed 2666MHz 1333MHz
Max Memory Bandwidth 79.47GB/s 21.3GB/s
Max Memory Channels 4 2
Supported Memory Size 128GB 16GB
Bus Bandwidth 8GT/s 5GT/s
ECC (Error-Correcting Code) Memory Support No No
DDR Type Memory Version 4 Not Known
Benchmarks Benchmarks Intel Core i7-9800X Intel Celeron 877
PassMark Score 18293 1343
PassMark Score (Single Thread) 2642 721
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) 52.9 148.0

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