Intel Core i7-7700K vs Intel Core i5-2550K

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Intel Core i7-7700K
Intel Core i7-7700K Image
Intel Core i5-2550K
Intel Core i5-2550K Image
Intel Core i7-7700K
Intel Core i5-2550K
Key Differences Key Differences Intel Core i7-7700K Intel Core i5-2550K
Cores 4 4
CPU Threads 8 4
Base Clock Speed 4.2GHz 3.4GHz
Turbo Clock Speed 4.5GHz 3.8GHz
TDP (THERMAL DESIGN POINT) 91W 95W
Has integrated graphics Yes No
Performance per watt 52.3 92.0
Performance Performance Intel Core i7-7700K Intel Core i5-2550K
CPU Speed & Cores 4 x 4.2GHz 4 x 3.4GHz
Number of CPU Threads 8 4
L2 Cache Size 1MB 1MB
L3 Cache Size 8MB 6MB
Turbo Boost Frequency 4.5GHz 3.8GHz
L1 Cache Size 256KB 256KB
L2 Core 0.25MB/core 0.25MB/core
Does it have an unlocked multiplier Yes Yes
L3 Core 2MB/core 1.5MB/core
Clock Multiplier 42 34
Turbo Boost Tech Version 2 Not Known
Uses ARM big.LITTLE tech No No
Uses ARM HMP No No
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Features Features Intel Core i7-7700K Intel Core i5-2550K
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 Multithreading Tech Support Yes No
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
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Miscellaneous Miscellaneous Intel Core i7-7700K Intel Core i5-2550K
Geekbench Score 5690 8754
Height 37.5mm Yes
Width Size 37.5mm Yes
General info General info Intel Core i7-7700K Intel Core i5-2550K
Has 64-bit Support Yes Yes
Semiconductor Size 14nm 32nm
GPU Base Clock Speed 350MHz Not Known
TDP (Thermal Design Point) 91W 95W
PCI Express Version 3 2
CPU Temperature 100°C Not Known
DirectX Version Info 12 10.1
OpenGL Driver Version 4.4 3
GPU Boost Clock Speed 1150MHz Not Known
OpenGL Driver Version 2 1.1
Total GPU Execution Units 24 Not Known
No. of Supported Displays 3 Not Known
3DMark06 Score 12740 Yes
Height 37.5mm 37.5mm
Width Size 37.5mm 37.5mm
Does it have Integrated Graphics Yes No
Transistor Count Not Known 995 million
Supports Power Optimized L2 Cache No Yes
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Memory Memory Intel Core i7-7700K Intel Core i5-2550K
RAM Memory Speed 2400MHz 1333MHz
Max Memory Bandwidth 38.4GB/s 21GB/s
Max Memory Channels 2 2
Supported Memory Size 64GB 32GB
Bus Bandwidth 8GT/s 5GT/s
DDR Type Memory Version 4 Not Known
ECC (Error-Correcting Code) Memory Support No No
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Benchmarks Benchmarks Intel Core i7-7700K Intel Core i5-2550K
PassMark Score 9736 6549
PassMark Score (Single Thread) 2776 1921
Geekbench 5 Score (Multi-Thread) 4757 Not Known
Cinebench R20 Score (Multi-Thread) 2257 Not Known
Cinebench R20 Score (Single Thread) 466 Not Known
Geekbench 5 Score (Single Thread) 1240 Not Known
Blender Score (bmw27) 339.9seconds Not Known
Blender Score (Classroom) 1117.4seconds Not Known
PassMark Score (Overclocked) 10703 8164
CPU Performance (Per Watt) 52.3 92.0
Power Consumption Under High Load Not Known Yes
Standard Power Consumption Not Known Yes
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