Intel Core i7-4790K vs Intel Xeon E5-2665

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Intel Core i7-4790K
Intel Core i7-4790K Image
Intel Xeon E5-2665
Intel Xeon E5-2665 Image
Intel Core i7-4790K
Intel Xeon E5-2665
Key Differences Key Differences Intel Core i7-4790K Intel Xeon E5-2665
Cores 4 8
CPU Threads 8 16
Base Clock Speed 4GHz 2.4GHz
Turbo Clock Speed 4.4GHz 3.1GHz
TDP (THERMAL DESIGN POINT) 88W 115W
Has integrated graphics Yes 115W
Performance per watt 45.4 127.0
Performance Performance Intel Core i7-4790K Intel Xeon E5-2665
CPU Speed & Cores 4 x 4GHz 8 x 2.4GHz
Number of CPU Threads 8 16
L2 Cache Size 1MB 2MB
L3 Cache Size 8MB 20MB
Turbo Boost Frequency 4.4GHz 3.1GHz
L1 Cache Size 256KB 512KB
L2 Core 0.25MB/core 0.25MB/core
Does it have an unlocked multiplier Yes Yes
L3 Core 2MB/core 2.5MB/core
Clock Multiplier 40 24
Uses ARM big.LITTLE tech No Yes
Uses ARM HMP No Yes
Turbo Core Tech Version Not Known Yes
Turbo Boost Tech Version Not Known Yes
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Features Features Intel Core i7-4790K Intel Xeon E5-2665
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 Yes
No. of Bits Executed at a Time Not Known Yes
CPU Front-End Width Not Known Yes
Supports ARM TrustZone Tech No Yes
Has FMA4 Instructions Support No Yes
VFP Version Not Known Yes
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Miscellaneous Miscellaneous Intel Core i7-4790K Intel Xeon E5-2665
Cinebench 10 Score 32390 Yes
Cinebench 11.5 Score 9.66 Yes
7zip Benchmark 26152MIPS Yes
Cinebench 10 Score (Single Thread) 8785 Yes
Cinebench 11.5 Score (Single Thread) 2.05 Yes
General info General info Intel Core i7-4790K Intel Xeon E5-2665
Has 64-bit Support Yes Yes
Semiconductor Size 22nm 32nm
GPU Base Clock Speed 350MHz Yes
TDP (Thermal Design Point) 88W 115W
PCI Express Version 3 3
CPU Temperature 72.72°C Yes
Transistor Count 1400 million 2270 million
OpenGL Driver Version 4 Yes
GPU Boost Clock Speed 1250MHz Yes
No. of Supported Displays 3 Yes
Does it have Integrated Graphics Yes Yes
DirectX Version Info Not Known Yes
OpenGL Driver Version Not Known Yes
Total GPU Execution Units Not Known Yes
3DMark06 Score Not Known Yes
Total GPU Shading Units Not Known Yes
Total GPU TMUs Not Known Yes
Total GPU ROPs Not Known Yes
Supports Power Optimized L2 Cache No Yes
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Memory Memory Intel Core i7-4790K Intel Xeon E5-2665
RAM Memory Speed 1600MHz 1600MHz
Max Memory Bandwidth 25.6GB/s 51.2GB/s
Max Memory Channels 2 4
Supported Memory Size 32GB 750GB
Bus Bandwidth 5GT/s 8GT/s
DDR Type Memory Version 3 Yes
ECC (Error-Correcting Code) Memory Support No Yes
eMMC Memory version Not Known Yes
Bus Frequency Not Known Yes
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Benchmarks Benchmarks Intel Core i7-4790K Intel Xeon E5-2665
PassMark Score 8089 12658
PassMark Score (Single Thread) 2484 1586
Geekbench 5 Score (Multi-Thread) 3991 Yes
Cinebench R20 Score (Multi-Thread) 1982 Yes
Cinebench R20 Score (Single Thread) 411 Yes
Geekbench 5 Score (Single Thread) 1068 Yes
Blender Score (Classroom) 1320.7seconds Yes
Blender Score (bmw27) 423.2seconds Yes
PassMark Score (Overclocked) 8880 Yes
CPU Performance (Per Watt) 45.4 127.0
Power Consumption Under High Load Not Known Yes
Standard Power Consumption Not Known Yes
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