Comparison of Intel Xeon E3-1270 v3 and Intel Xeon E5-2637 v3

Attribute	Intel Xeon E3-1270 v3 ×	Intel Xeon E5-2637 v3 ×
General Information
Brand	Intel	Intel
Series	Intel Xeon E3	Intel Xeon E5
Model	Intel Xeon E3-1270 v3	Intel Xeon E5-2637 v3
CPU Cores and Base Frequency
CPU Cores	4	4
Frequency (GHz)	3.5	3.5
CPU Threads	8	8
Core architecture	normal	normal
Hyperthreading	+	+
Overclocking	-	-
Turbo (1 Core) (GHz)	3.9	3.7
Turbo (4 Cores) (GHz)	3.9	3.6
Encryption
AES-NI	+	+
Hardware codec support
JPEG	No	No
h264	No	No
h265 / HEVC (8 bit)	No	No
h265 / HEVC (10 bit)	No	No
VP8	No	No
AV1	No	No
VC-1	No	No
VP9	No	No
AVC	No	No
Memory And PCIe
Memory type	DDR3-1600	DDR4-2133
PCIe lanes	-	40
PCIe version	-	3.0
ECC	+	+
Memory channels	2	4
Technical details
Release date (year)	2013	2014
Technology (Nm)	22	22
Socket	LGA 1150	LGA 2011-3
Virtualization	vt-d vt-x vt-x ept	vpro vt-d vt-x vt-x ept
L3-Cache (MB)	8	15
Architecture	Haswell	Haswell E
Instruction set (ISA)	x86-64 (64 bit)	x86-64 (64 bit)
Thermal Management
TDP (PL1) (W)	80	135
Benchmarks
Estimated results for PassMark CPU Mark	10,206	10,117
Geekbench 5, 64bit (Single-Core)	897	717
Geekbench 5, 64bit (Multi-Core)	3,416	3,182
Cinebench R15 (Single-Core)	153	134
Cinebench R15 (Multi-Core)	742	690
Cinebench R11.5, 64bit (Single-Core)	1.75	1.66
Cinebench R11.5, 64bit (Multi-Core)	7.99	8.29
Geekbench 3, 64bit (Single-Core)	3,759	3,618
Geekbench 3, 64bit (Multi-Core)	14,480	14,302