Intel Core i7-9800X vs Intel Core i7-2700K

VS
Intel Core i7-9800X
Intel Core i7-9800X Image
Intel Core i7-2700K
Intel Core i7-2700K Image
Intel Core i7-9800X
Intel Core i7-2700K
Key Differences Key Differences Intel Core i7-9800X Intel Core i7-2700K
Cores 8 4
CPU Threads 16 8
Base Clock Speed 3.8GHz 3.5GHz
Turbo Clock Speed 4.4GHz 3.9GHz
TDP (THERMAL DESIGN POINT) 165W 95W
Has integrated graphics No Yes
Performance per watt 52.9 34.3
Performance Performance Intel Core i7-9800X Intel Core i7-2700K
CPU Speed & Cores 8 x 3.8GHz 4 x 3.5GHz
Number of CPU Threads 16 8
L2 Cache Size 8MB 1MB
L3 Cache Size 16.5MB 8MB
Turbo Boost Frequency 4.4GHz 3.9GHz
L1 Cache Size 512KB 256KB
L2 Core 1MB/core 0.25MB/core
L3 Core 2.06MB/core 2MB/core
Clock Multiplier 38 35
Turbo Boost Tech Version 2 Not Known
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 i7-2700K
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 No
Has FMA4 Instructions Support No 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
General info General info Intel Core i7-9800X Intel Core i7-2700K
Has 64-bit Support No Data Found No Data Found
Semiconductor Size 14nm 32nm
TDP (Thermal Design Point) 165W 95W
PCI Express Version 3 2
CPU Temperature 95°C Not Known
Does it have Integrated Graphics No Yes
GPU Base Clock Speed Not Known 850MHz
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 1350MHz
Total GPU Execution Units Not Known 12
No. of Supported Displays Not Known 2
Supports Power Optimized L2 Cache No No
Memory Memory Intel Core i7-9800X Intel Core i7-2700K
RAM Memory Speed 2666MHz 1600MHz
Max Memory Bandwidth 79.47GB/s 21GB/s
Max Memory Channels 4 2
Supported Memory Size 128GB 32GB
Bus Bandwidth 8GT/s 5GT/s
ECC (Error-Correcting Code) Memory Support No No
DDR Type Memory Version 4 3
Benchmarks Benchmarks Intel Core i7-9800X Intel Core i7-2700K
PassMark Score 18293 5553
PassMark Score (Single Thread) 2642 1788
Geekbench 5 Score (Multi-Thread) 8722 3261
Geekbench 5 Score (Single Thread) 1157 841
Blender Score (bmw27) 192seconds 506seconds
Blender Score (Classroom) 594.5seconds Not Known
PassMark Score (Overclocked) 20820 7177
CPU Performance (Per Watt) 52.9 34.3

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