ProductXeon E5-2643 v3Xeon E5-2650 v4
Brand Intel Intel
Street Price (Approx) ~ $1552
Search low Xeon E5-2643 v3 price (Amazon)
~ $1166
Search low Xeon E5-2650 v4 price (Amazon)
# CPU Cores 612
Frequency (GHz) 3.4 GHz2.2 GHz
Cache (MB) 2030
TDP (Watts) 135 W105 W
Product Segment ServerServer
Status ReleasedReleased
Announced On 2014-06-012016-01-01
TechnicalsXeon E5-2643 v3Xeon E5-2650 v4
Dimensions (2D) 52.5x52.5 mm45x45 mm
Conflict Free? 11
# CPU Cores 612
Threads/Core 1224
Frequency (GHz) 3.4 GHz2.2 GHz
Turbo Frequency (GHz) 3.7 GHz2.9 GHz
Cache (MB) 2030
Instructions Width (bits) 6464
Instructions Extensions AVX 2.0AVX 2.0
Lithography Process (nm) 22 nm14 nm
TDP (Watts) 135 W105 W
Max RAM 768 GB1.54 GB
RAM Types DDR4 1600/1866/2133DDR4 1600/1866/2133/2400
# Memory Channels 44
Memory Bandwidth (GB/Sec) 68GB/s76.8GB/s
Max CPU / Package 22
GPU NoneNone
PCI-E Version 33
PCI-E Max Lanes # 4040
Compatible Sockets FCLGA2011-3FCLGA2011-3
Intel Turbo Boost Version 22
Intel V-Pro YesYes
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 NoNo
Intel ID Protect NoNo
Intel AES New Instructions YesYes
Intel Secure Key YesYes
Intel OS Guard YesYes
Trusted Execution YesYes
Execution Disable YesYes


Intel Xeon E5-2643 v3 vs. Intel Xeon E5-2650 v4 Specs & Speed Benchmarks

CPU Speed

These tests are designed to stress the CPU components of the processor

Geekbench 4 Multi, Higher is better

Geekbench 4 Single, Higher is better

Memory Bandwidth (GB/Sec), Higher is better


Performance/Price (Value)

Some of the same tests as above, but shown as a relation to the price. This shows what performance you get for each additional dollar spent. The higher the score, and the more value you get for your money

Geekbench 4 Multi / Price, Higher is better