General information
Type CPU / Microprocessor
Market segment Server
Family
Intel Xeon E5-2600 v3
Model number ?
E5-2603 v3
CPU part numbers
CM8064401844200 is an OEM/tray microprocessor
BX80644E52603V3 is a boxed microprocessor
Frequency ? 1600 MHz
Bus speed ? 6.4 GT/s QPI (3200 MHz)
5 GT/s DMI
Clock multiplier ? 16
Package 2011-land Flip-Chip Land Grid Array
Socket Socket 2011-3 / R3 / LGA2011-3
Size 2.07" x 1.77" / 5.25cm x 4.5cm
Introduction date September 8, 2014
Price at introduction $213
S-spec numbers
Part number ES/QS processors Production processors
QGSK SR20A
BX80644E52603V3 +
CM8064401844200 +
Unknown +
Architecture / Microarchitecture
Microarchitecture Haswell
Platform Grantley-EP
Processor core ? Haswell-EP
Core stepping ? R2 (QGSK, SR20A)
CPUID 306F2 (SR20A)
Manufacturing process 0.022 micron
Data width 64 bit
The number of CPU cores 6
The number of threads 6
Floating Point Unit Integrated
Level 1 cache size ? 6 x 32 KB 8-way set associative instruction caches
6 x 32 KB 8-way set associative data caches
Level 2 cache size ? 6 x 256 KB 8-way set associative caches
Level 3 cache size 15 MB 20-way set associative shared cache
Physical memory 768 GB

Integrated peripherals / components
Integrated graphics None
Memory controller The number of controllers: 1
Memory channels: 4
Supported memory: DDR4-1600
DIMMs per channel: 3
Maximum memory bandwidth (GB/s): 51.2
ECC supported: Yes
Other peripherals
Direct Media Interface 2.0
Quick Path Interconnect v1.1 (2 links)
PCI Express 3.0 interface (40 lanes)
Electrical / Thermal parameters
V core ? 0.65V - 1.3V
Maximum operating temperature ? 72.8°C
Minimum power dissipation 28 Watt (C1E state)
20 Watt (C6 state)
Thermal Design Power ? 85 Watt