Intel Core i7-4790K vs Intel Core i7-4820K

VS
Intel Core i7-4790K
Intel Core i7-4790K Image
Intel Core i7-4820K
Intel Core i7-4820K Image
Intel Core i7-4790K
Intel Core i7-4820K
Key Differences Key Differences Intel Core i7-4790K Intel Core i7-4820K
Cores 4 4
CPU Threads 8 8
Base Clock Speed 4GHz 3.7GHz
Turbo Clock Speed 4.4GHz 3.9GHz
TDP (THERMAL DESIGN POINT) 88W 130W
Has integrated graphics Yes No
Performance per watt 45.4 138.7
Performance Performance Intel Core i7-4790K Intel Core i7-4820K
CPU Speed & Cores 4 x 4GHz 4 x 3.7GHz
Number of CPU Threads 8 8
L2 Cache Size 1MB 1MB
L3 Cache Size 8MB 10MB
Turbo Boost Frequency 4.4GHz 3.9GHz
L1 Cache Size 256KB 128KB
L2 Core 0.25MB/core 0.2MB/core
Does it have an unlocked multiplier Yes No
L3 Core 2MB/core 2.5MB/core
Clock Multiplier 40 37
Uses ARM big.LITTLE tech No No
Uses ARM HMP No No
Features Features Intel Core i7-4790K Intel Core i7-4820K
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 Yes
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
Miscellaneous Miscellaneous Intel Core i7-4790K Intel Core i7-4820K
Cinebench 10 Score 32390 27033
Cinebench 11.5 Score 9.66 No Data Found
7zip Benchmark 26152MIPS No Data Found
Cinebench 10 Score (Single Thread) 8785 6911
Cinebench 11.5 Score (Single Thread) 2.05 No Data Found
General info General info Intel Core i7-4790K Intel Core i7-4820K
Has 64-bit Support No Data Found No Data Found
Semiconductor Size 22nm 22nm
GPU Base Clock Speed 350MHz Not Known
TDP (Thermal Design Point) 88W 130W
PCI Express Version 3 3
CPU Temperature 72.72°C 66.8°C
Transistor Count 1400 million 1860 million
OpenGL Driver Version 4 Not Known
GPU Boost Clock Speed 1250MHz Not Known
No. of Supported Displays 3 Not Known
Does it have Integrated Graphics Yes No
Supports Power Optimized L2 Cache No No
Memory Memory Intel Core i7-4790K Intel Core i7-4820K
RAM Memory Speed 1600MHz 1866MHz
Max Memory Bandwidth 25.6GB/s 59.7GB/s
Max Memory Channels 2 4
Supported Memory Size 32GB 64GB
Bus Bandwidth 5GT/s 5GT/s
DDR Type Memory Version 3 Not Known
ECC (Error-Correcting Code) Memory Support No No
Benchmarks Benchmarks Intel Core i7-4790K Intel Core i7-4820K
PassMark Score 8089 9774
PassMark Score (Single Thread) 2484 2007
Geekbench 5 Score (Multi-Thread) 3991 Not Known
Cinebench R20 Score (Multi-Thread) 1982 Not Known
Cinebench R20 Score (Single Thread) 411 Not Known
Geekbench 5 Score (Single Thread) 1068 Not Known
Blender Score (Classroom) 1320.7seconds Not Known
Blender Score (bmw27) 423.2seconds Not Known
PassMark Score (Overclocked) 8880 11220
CPU Performance (Per Watt) 45.4 138.7

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