Intel Core i7-4790K vs Intel Celeron B820

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Intel Core i7-4790K
Intel Core i7-4790K Image
Intel Celeron B820
Intel Celeron B820 Image
Intel Core i7-4790K
Intel Celeron B820
Key Differences Key Differences Intel Core i7-4790K Intel Celeron B820
Cores 4 2
CPU Threads 8 2
Base Clock Speed 4GHz 1.7GHz
Turbo Clock Speed 4.4GHz Not Known
TDP (THERMAL DESIGN POINT) 88W 35W
Has integrated graphics Yes Yes
Performance per watt 45.4 80.0
Performance Performance Intel Core i7-4790K Intel Celeron B820
CPU Speed & Cores 4 x 4GHz 2 x 1.7GHz
Number of CPU Threads 8 2
L2 Cache Size 1MB 0.5MB
L3 Cache Size 8MB 2MB
Turbo Boost Frequency 4.4GHz Not Known
L1 Cache Size 256KB 128KB
L2 Core 0.25MB/core 0.25MB/core
Does it have an unlocked multiplier Yes No
L3 Core 2MB/core 1MB/core
Clock Multiplier 40 17
Uses ARM big.LITTLE tech No No
Uses ARM HMP No No
Features Features Intel Core i7-4790K Intel Celeron B820
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 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
Miscellaneous Miscellaneous Intel Core i7-4790K Intel Celeron B820
Cinebench 10 Score 32390 No Data Found
Cinebench 11.5 Score 9.66 No Data Found
7zip Benchmark 26152MIPS No Data Found
Cinebench 10 Score (Single Thread) 8785 No Data Found
Cinebench 11.5 Score (Single Thread) 2.05 No Data Found
General info General info Intel Core i7-4790K Intel Celeron B820
Has 64-bit Support No Data Found No Data Found
Semiconductor Size 22nm 32nm
GPU Base Clock Speed 350MHz 650MHz
TDP (Thermal Design Point) 88W 35W
PCI Express Version 3 2
CPU Temperature 72.72°C Not Known
Transistor Count 1400 million 995 million
OpenGL Driver Version 4 3
GPU Boost Clock Speed 1250MHz 1050MHz
No. of Supported Displays 3 2
Does it have Integrated Graphics Yes Yes
DirectX Version Info Not Known 10.1
OpenGL Driver Version Not Known 1.1
Total GPU Execution Units Not Known 6
Supports Power Optimized L2 Cache No No
Memory Memory Intel Core i7-4790K Intel Celeron B820
RAM Memory Speed 1600MHz 1333MHz
Max Memory Bandwidth 25.6GB/s 21.3GB/s
Max Memory Channels 2 2
Supported Memory Size 32GB 16GB
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 Celeron B820
PassMark Score 8089 1512
PassMark Score (Single Thread) 2484 832
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 Not Known
CPU Performance (Per Watt) 45.4 80.0

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