Intel Xeon E3-1585 v5 vs Intel Xeon E5-2643

VS
Intel Xeon E3-1585 v5
Intel Xeon E3-1585 v5 Image
Intel Xeon E5-2643
Intel Xeon E5-2643 Image
Intel Xeon E3-1585 v5
Intel Xeon E5-2643
Key Differences Key Differences Intel Xeon E3-1585 v5 Intel Xeon E5-2643
Cores 4 4
CPU Threads 8 8
Base Clock Speed 3.5GHz 3.3GHz
Turbo Clock Speed 3.9GHz 3.5GHz
TDP (THERMAL DESIGN POINT) 65W 130W
Has integrated graphics Yes No
Performance per watt Not Known Not Known
Performance Performance Intel Xeon E3-1585 v5 Intel Xeon E5-2643
CPU Speed & Cores 4 x 3.5GHz 4 x 3.3GHz
Number of CPU Threads 8 8
L2 Cache Size 1MB 1MB
L3 Cache Size 8MB 10MB
Turbo Boost Frequency 3.9GHz 3.5GHz
L1 Cache Size 128KB 256KB
L2 Core 0.25MB/core 0.25MB/core
L3 Core 2MB/core 2.5MB/core
Clock Multiplier 35 33
Turbo Boost Tech Version 2 Not Known
Does it have an unlocked multiplier No No
Uses ARM big.LITTLE tech No No
Uses ARM HMP No No
Features Features Intel Xeon E3-1585 v5 Intel Xeon E5-2643
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
Supports ARM TrustZone Tech No 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
Miscellaneous Miscellaneous Intel Xeon E3-1585 v5 Intel Xeon E5-2643
Width Size 28mm No Data Found
Height 42mm No Data Found
General info General info Intel Xeon E3-1585 v5 Intel Xeon E5-2643
Has 64-bit Support No Data Found No Data Found
Semiconductor Size 14nm 32nm
GPU Base Clock Speed 350MHz Not Known
TDP (Thermal Design Point) 65W 130W
PCI Express Version 3 3
CPU Temperature 100°C Not Known
DirectX Version Info 12 Not Known
OpenGL Driver Version 4.4 Not Known
GPU Boost Clock Speed 1150MHz Not Known
OpenGL Driver Version 2 Not Known
Total GPU Execution Units 72 Not Known
No. of Supported Displays 3 Not Known
Width Size 28mm 45mm
Height 42mm 52.5mm
Does it have Integrated Graphics Yes No
Transistor Count Not Known 2270 million
3DMark06 Score Not Known No Data Found
Supports Power Optimized L2 Cache No No Data Found
Memory Memory Intel Xeon E3-1585 v5 Intel Xeon E5-2643
RAM Memory Speed 2133MHz 1600MHz
Max Memory Channels 2 4
Supported Memory Size 64GB 750GB
Bus Bandwidth 8GT/s 8GT/s
ECC (Error-Correcting Code) Memory Support Yes Yes
Max Memory Bandwidth Not Known 51.2GB/s
Benchmarks Benchmarks Intel Xeon E3-1585 v5 Intel Xeon E5-2643
PassMark Score Not Known 8501
PassMark Score (Single Thread) Not Known 1786
Power Consumption Under High Load Not Known No Data Found
Standard Power Consumption Not Known No Data Found

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