Intel Xeon E5-2637 v3 vs Intel Xeon E3-1275L v3

Comparative analysis of Intel Xeon E5-2637 v3 and Intel Xeon E3-1275L v3 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 E3-1275L v3

Differences

Reasons to consider the Intel Xeon E5-2637 v3

24x more maximum memory size: 768 GB vs 32 GB
2.1x better performance in PassMark - CPU mark: 13140 vs 6261
Around 14% better performance in Geekbench 4 - Multi-Core: 3248 vs 2853

Specifications (specs)
Maximum memory size	768 GB vs 32 GB
Max number of CPUs in a configuration	2 vs 1
Benchmarks
PassMark - CPU mark	13140 vs 6261
Geekbench 4 - Multi-Core	3248 vs 2853

Reasons to consider the Intel Xeon E3-1275L v3

Around 5% higher clock speed: 3.90 GHz vs 3.70 GHz
3x lower typical power consumption: 45 Watt vs 135 Watt
Around 6% better performance in PassMark - Single thread mark: 2172 vs 2043
Around 22% better performance in Geekbench 4 - Single Core: 905 vs 740

Specifications (specs)
Maximum frequency	3.90 GHz vs 3.70 GHz
Thermal Design Power (TDP)	45 Watt vs 135 Watt
Benchmarks
PassMark - Single thread mark	2172 vs 2043
Geekbench 4 - Single Core	905 vs 740

Compare benchmarks

CPU 1: Intel Xeon E5-2637 v3
CPU 2: Intel Xeon E3-1275L v3

PassMark - Single thread mark

CPU 1

CPU 2

2043

2172

PassMark - CPU mark

CPU 1

CPU 2

13140

6261

Geekbench 4 - Single Core

CPU 1

CPU 2

740

905

Geekbench 4 - Multi-Core

CPU 1

CPU 2

3248

2853

Name	Intel Xeon E5-2637 v3	Intel Xeon E3-1275L v3
PassMark - Single thread mark	2043	2172
PassMark - CPU mark	13140	6261
Geekbench 4 - Single Core	740	905
Geekbench 4 - Multi-Core	3248	2853

Compare specifications (specs)

	Intel Xeon E5-2637 v3	Intel Xeon E3-1275L v3
Essentials
Architecture codename	Haswell	Haswell
Launch date	Q3'14	Q2'14
Place in performance rating	1446	1436
Processor Number	E5-2637V3	E3-1275LV3
Series	Intel® Xeon® Processor E5 v3 Family	Intel® Xeon® Processor E3 v3 Family
Status	Launched	Discontinued
Vertical segment	Server	Server
Performance
64 bit support
Base frequency	3.50 GHz	2.70 GHz
Bus Speed	9.6 GT/s QPI	5 GT/s DMI
Manufacturing process technology	22 nm	22 nm
Maximum core temperature	76.6°C
Maximum frequency	3.70 GHz	3.90 GHz
Number of cores	4	4
Number of QPI Links	2	0
Number of threads	8	8
VID voltage range	0.65V–1.30V
Memory
Max memory channels	4	2
Maximum memory bandwidth	68 GB/s	25.6 GB/s
Maximum memory size	768 GB	32 GB
Supported memory types	DDR4 1600/1866/2133	DDR3 1333/1600
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	FCLGA1150
Thermal Design Power (TDP)	135 Watt	45 Watt
Thermal Solution		PCG 2013B
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)
Anti-Theft technology
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® Fast Memory Access
Intel® Stable Image Platform Program (SIPP)
Virtualization
Intel® Virtualization Technology (VT-x)
Intel® Virtualization Technology for Directed I/O (VT-d)
Intel® VT-x with Extended Page Tables (EPT)
Graphics
Execution Units		10
Graphics base frequency		350 MHz
Graphics max dynamic frequency		1.20 GHz
Intel® Clear Video HD technology
Intel® Flexible Display Interface (Intel® FDI)
Intel® InTru™ 3D technology
Intel® Quick Sync Video
Max video memory		1.7 GB
Processor graphics		Intel HD Graphics
Graphics interfaces
DisplayPort
eDP
HDMI
Number of displays supported		3
VGA
Graphics image quality
Max resolution over DisplayPort		3840x2160@60Hz
Max resolution over HDMI 1.4		3840x2160@60Hz
Max resolution over VGA		2880x1800@60Hz
Graphics API support
DirectX		11.2
OpenGL		4.3