Intel Xeon E3-1585 v5 vs Intel Xeon E5-2643 v4

VS
Intel Xeon E3-1585 v5
Intel Xeon E3-1585 v5 Image
Intel Xeon E5-2643 v4
Intel Xeon E5-2643 v4 Image
Intel Xeon E3-1585 v5
Intel Xeon E5-2643 v4
Key Differences Key Differences Intel Xeon E3-1585 v5 Intel Xeon E5-2643 v4
Cores 4 6
CPU Threads 8 12
Base Clock Speed 3.5GHz 3.4GHz
Turbo Clock Speed 3.9GHz 3.7GHz
TDP (THERMAL DESIGN POINT) 65W 135W
Has integrated graphics Yes No
Performance per watt Not Known 271.2
Performance Performance Intel Xeon E3-1585 v5 Intel Xeon E5-2643 v4
CPU Speed & Cores 4 x 3.5GHz 6 x 3.4GHz
Number of CPU Threads 8 12
L2 Cache Size 1MB 1.5MB
L3 Cache Size 8MB 20MB
Turbo Boost Frequency 3.9GHz 3.7GHz
L1 Cache Size 128KB 192KB
L2 Core 0.25MB/core 0.25MB/core
L3 Core 2MB/core 3.3MB/core
Clock Multiplier 35 34
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 v4
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
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 Yes
Miscellaneous Miscellaneous Intel Xeon E3-1585 v5 Intel Xeon E5-2643 v4
Width Size 28mm 51mm
Height 42mm 52.5mm
General info General info Intel Xeon E3-1585 v5 Intel Xeon E5-2643 v4
Has 64-bit Support No Data Found No Data Found
Semiconductor Size 14nm 14nm
GPU Base Clock Speed 350MHz Not Known
TDP (Thermal Design Point) 65W 135W
PCI Express Version 3 3
CPU Temperature 100°C 75°C
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 51mm
Height 42mm 52.5mm
Does it have Integrated Graphics Yes No
Supports Power Optimized L2 Cache No No
Memory Memory Intel Xeon E3-1585 v5 Intel Xeon E5-2643 v4
RAM Memory Speed 2133MHz 2400MHz
Max Memory Channels 2 4
Supported Memory Size 64GB 1536GB
Bus Bandwidth 8GT/s 9.6GT/s
ECC (Error-Correcting Code) Memory Support Yes Yes
Max Memory Bandwidth Not Known 76.8GB/s
Bus Frequency Not Known 4.8GHz
Benchmarks Benchmarks Intel Xeon E3-1585 v5 Intel Xeon E5-2643 v4
CPU Performance (Per Watt) Not Known 271.2

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