Intel Xeon E5-2637 v3 vs Intel Xeon E3-1225 v6

Comparative analysis of Intel Xeon E5-2637 v3 and Intel Xeon E3-1225 v6 processors for all known characteristics in the following categories: Essentials, Performance, Memory, Compatibility, Peripherals, Security & Reliability, Advanced Technologies, Virtualization, Graphics, Graphics interfaces, Graphics image quality, Graphics API support. Benchmark processor performance analysis: PassMark - Single thread mark, PassMark - CPU mark, Geekbench 4 - Single Core, Geekbench 4 - Multi-Core.

Intel Xeon E5-2637 v3

Intel Xeon E3-1225 v6

Differences

Reasons to consider the Intel Xeon E5-2637 v3

4 more threads: 8 vs 4
12x more maximum memory size: 768 GB vs 64 GB
2.2x better performance in PassMark - CPU mark: 13157 vs 5868
Around 2% better performance in Geekbench 4 - Multi-Core: 3248 vs 3173

Specifications (specs)
Number of threads	8 vs 4
Maximum memory size	768 GB vs 64 GB
Max number of CPUs in a configuration	2 vs 1
Benchmarks
PassMark - CPU mark	13157 vs 5868
Geekbench 4 - Multi-Core	3248 vs 3173

Reasons to consider the Intel Xeon E3-1225 v6

A newer manufacturing process allows for a more powerful, yet cooler running processor: 14 nm vs 22 nm
Around 85% lower typical power consumption: 73 Watt vs 135 Watt
Around 1% better performance in PassMark - Single thread mark: 2083 vs 2053
Around 23% better performance in Geekbench 4 - Single Core: 911 vs 740

Specifications (specs)
Manufacturing process technology	14 nm vs 22 nm
Thermal Design Power (TDP)	73 Watt vs 135 Watt
Benchmarks
PassMark - Single thread mark	2083 vs 2053
Geekbench 4 - Single Core	911 vs 740

Compare benchmarks

CPU 1: Intel Xeon E5-2637 v3
CPU 2: Intel Xeon E3-1225 v6

PassMark - Single thread mark

CPU 1

CPU 2

2053

2083

PassMark - CPU mark

CPU 1

CPU 2

13157

5868

Geekbench 4 - Single Core

CPU 1

CPU 2

740

911

Geekbench 4 - Multi-Core

CPU 1

CPU 2

3248

3173

Name	Intel Xeon E5-2637 v3	Intel Xeon E3-1225 v6
PassMark - Single thread mark	2053	2083
PassMark - CPU mark	13157	5868
Geekbench 4 - Single Core	740	911
Geekbench 4 - Multi-Core	3248	3173

Compare specifications (specs)

	Intel Xeon E5-2637 v3	Intel Xeon E3-1225 v6
Essentials
Architecture codename	Haswell	Kaby Lake
Launch date	Q3'14	Q1'17
Place in performance rating	1550	1558
Processor Number	E5-2637V3	E3-1225V6
Series	Intel® Xeon® Processor E5 v3 Family	Intel® Xeon® Processor E3 v6 Family
Status	Launched	Launched
Vertical segment	Server	Server
Performance
64 bit support
Base frequency	3.50 GHz	3.30 GHz
Bus Speed	9.6 GT/s QPI	8 GT/s DMI3
Manufacturing process technology	22 nm	14 nm
Maximum core temperature	76.6°C
Maximum frequency	3.70 GHz	3.70 GHz
Number of cores	4	4
Number of QPI Links	2
Number of threads	8	4
VID voltage range	0.65V–1.30V	0.55V-1.52V
Memory
Max memory channels	4	2
Maximum memory bandwidth	68 GB/s	37.5 GB/s
Maximum memory size	768 GB	64 GB
Supported memory types	DDR4 1600/1866/2133	DDR4-2400, DDR3L-1866
Compatibility
Low Halogen Options Available
Max number of CPUs in a configuration	2	1
Package Size	52.5mm x 45mm	37.5mm x 37.5mm
Sockets supported	FCLGA2011-3	FCLGA1151
Thermal Design Power (TDP)	135 Watt	73 Watt
Peripherals
Max number of PCIe lanes	40	16
PCI Express revision	3.0	3.0
PCIe configurations	x4, x8, x16	1x16, 2x8, 1x8+2x4
Scalability	2S	1S Only
Security & Reliability
Execute Disable Bit (EDB)
Intel® Identity Protection technology
Intel® OS Guard
Intel® Secure Key technology
Intel® Trusted Execution technology (TXT)
Intel® Memory Protection Extensions (Intel® MPX)
Intel® Software Guard Extensions (Intel® SGX)
Secure Boot
Advanced Technologies
Enhanced Intel SpeedStep® technology
Idle States
Instruction set extensions	Intel® AVX2	Intel® SSE4.1, Intel® SSE4.2, Intel® AVX2
Intel 64
Intel® AES New Instructions
Intel® Demand Based Switching
Intel® Flex Memory Access
Intel® Hyper-Threading technology
Intel® TSX-NI
Intel® Turbo Boost technology
Intel® vPro™ Platform Eligibility
Physical Address Extensions (PAE)	46-bit
Thermal Monitoring
Intel® Optane™ Memory Supported
Virtualization
Intel® Virtualization Technology (VT-x)
Intel® Virtualization Technology for Directed I/O (VT-d)
Intel® VT-x with Extended Page Tables (EPT)
Graphics
Device ID		0x591D
Graphics base frequency		350 MHz
Graphics max dynamic frequency		1.15 GHz
Intel® Clear Video HD technology
Intel® Clear Video technology
Intel® InTru™ 3D technology
Intel® Quick Sync Video
Max video memory		64 GB
Processor graphics		Intel® HD Graphics P630
Graphics interfaces
DisplayPort
DVI
eDP
HDMI
Number of displays supported		3
Graphics image quality
4K resolution support
Max resolution over DisplayPort		4096x2304@60Hz
Max resolution over eDP		4096x2304@60Hz
Max resolution over HDMI 1.4		4096x2160@24Hz
Graphics API support
DirectX		12
OpenGL		4.4