ProductXeon E7-8891 v2Xeon E5-4650 v4
Brand Intel Intel
Street Price (Approx) ~ $6841
Search low Xeon E7-8891 v2 price (Amazon)
~ $3838
Search low Xeon E5-4650 v4 price (Amazon)
# CPU Cores 1014
Frequency (GHz) 3.2 GHz2.2 GHz
Cache (MB) 37.535
TDP (Watts) 155 W105 W
Product Segment ServerServer
Status ReleasedReleased
Announced On 2014-01-012016-03-01
TechnicalsXeon E7-8891 v2Xeon E5-4650 v4
Dimensions (2D) 52x52 mm45x45 mm
Conflict Free? 11
# CPU Cores 1014
Threads/Core 2028
Frequency (GHz) 3.2 GHz2.2 GHz
Turbo Frequency (GHz) 3.7 GHz2.8 GHz
Cache (MB) 37.535
Instructions Width (bits) 6464
Instructions Extensions AVXAVX 2.0
Lithography Process (nm) 22 nm14 nm
TDP (Watts) 155 W105 W
Max RAM 1.54 GB1.54 GB
RAM Types DDR3 1066/1333/1600DDR4
# Memory Channels 44
Memory Bandwidth (GB/Sec) 85GB/s68GB/s
Max CPU / Package 84
GPU None
PCI-E Version 33
PCI-E Max Lanes # 3240
Compatible Sockets FCLGA2011FCLGA2011-3
Intel Turbo Boost Version 22
Intel Hyper-Thread YesYes
Intel Virtualization (VTX) YesYes
Intel Directed I/O (VTD) YesYes
Intel Ext. Page Tables (EPT) YesYes
Intel TSX Sync. Extensions NoYes
Intel 64 YesYes
Idle States YesYes
Enhanced Speedstep YesYes
Thermal MonitoringTech. YesYes
Flex Memory No
Intel AES New Instructions YesYes
Intel Secure Key YesYes
Intel OS Guard YesYes
Trusted Execution YesYes
Execution Disable YesYes

 

Intel Xeon E7-8891 v2 vs. Intel Xeon E5-4650 v4 Specs & Speed Benchmarks

Intel Xeon E7-8891 v2 vs. Intel Xeon E5-4650 v4 Specs & Speed Benchmarks

Memory Bandwidth (GB/Sec)

Higher is better