ProductXeon D-1521Xeon E5-4669 v3
Brand Intel Intel
Street Price (Approx) ~ $199
Search low Xeon D-1521 price (Amazon)
~ $7007
Search low Xeon E5-4669 v3 price (Amazon)
# CPU Cores 418
Frequency (GHz) 2.4 GHz2.1 GHz
Cache (MB) 645
TDP (Watts) 45 W135 W
Product Segment ServerServer
Status ReleasedReleased
Announced On 2015-10-012015-03-01
TechnicalsXeon D-1521Xeon E5-4669 v3
Dimensions (2D) 37.5x37.5 mm52.5x52.5 mm
Conflict Free? 11
# CPU Cores 418
Threads/Core 836
Frequency (GHz) 2.4 GHz2.1 GHz
Turbo Frequency (GHz) 2.7 GHz2.9 GHz
Cache (MB) 645
Instructions Width (bits) 6464
Instructions Extensions AVX 2.0AVX 2.0
Lithography Process (nm) 14 nm22 nm
TDP (Watts) 45 W135 W
Max RAM 128 GB768 GB
# Memory Channels 24
Memory Bandwidth (GB/Sec) 68GB/s
Max CPU / Package 14
GPU NoneNone
PCI-E Version 23
PCI-E Max Lanes # 3240
Compatible Sockets FCBGA1667FCLGA2011
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 YesNo
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 D-1521 vs. Intel Xeon E5-4669 v3 Specs & Speed Benchmarks

CPU Speed

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

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