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

Comparative analysis of Intel Xeon E5-2637 v3 and Intel Xeon E3-1275 v3 processors for all known characteristics in the following categories: Essentials, Performance, Memory, Compatibility, Peripherals, Security & Reliability, Advanced Technologies, Virtualization, Graphics, Graphics interfaces. Benchmark processor performance analysis: PassMark - Single thread mark, PassMark - CPU mark, Geekbench 4 - Single Core, Geekbench 4 - Multi-Core, CompuBench 1.5 Desktop - Face Detection (mPixels/s).

Intel Xeon E5-2637 v3

Intel Xeon E3-1275 v3

Differences

Reasons to consider the Intel Xeon E5-2637 v3

24x more maximum memory size: 768 GB vs 32 GB
Around 83% better performance in PassMark - CPU mark: 13186 vs 7220

Specifications (specs)
Maximum memory size	768 GB vs 32 GB
Max number of CPUs in a configuration	2 vs 1
Benchmarks
PassMark - CPU mark	13186 vs 7220

Reasons to consider the Intel Xeon E3-1275 v3

Around 5% higher clock speed: 3.90 GHz vs 3.70 GHz
Around 61% lower typical power consumption: 84 Watt vs 135 Watt
Around 7% better performance in PassMark - Single thread mark: 2199 vs 2049
Around 23% better performance in Geekbench 4 - Single Core: 909 vs 740
Around 5% better performance in Geekbench 4 - Multi-Core: 3422 vs 3248

Specifications (specs)
Maximum frequency	3.90 GHz vs 3.70 GHz
Thermal Design Power (TDP)	84 Watt vs 135 Watt
Benchmarks
PassMark - Single thread mark	2199 vs 2049
Geekbench 4 - Single Core	909 vs 740
Geekbench 4 - Multi-Core	3422 vs 3248

Compare benchmarks

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

PassMark - Single thread mark

CPU 1

CPU 2

2049

2199

PassMark - CPU mark

CPU 1

CPU 2

13186

7220

Geekbench 4 - Single Core

CPU 1

CPU 2

740

909

Geekbench 4 - Multi-Core

CPU 1

CPU 2

3248

3422

Name	Intel Xeon E5-2637 v3	Intel Xeon E3-1275 v3
PassMark - Single thread mark	2049	2199
PassMark - CPU mark	13186	7220
Geekbench 4 - Single Core	740	909
Geekbench 4 - Multi-Core	3248	3422
CompuBench 1.5 Desktop - Face Detection (mPixels/s)		16.134

Compare specifications (specs)

	Intel Xeon E5-2637 v3	Intel Xeon E3-1275 v3
Essentials
Architecture codename	Haswell	Haswell
Launch date	Q3'14	June 2013
Place in performance rating	1521	1512
Processor Number	E5-2637V3	E3-1275 v3
Series	Intel® Xeon® Processor E5 v3 Family	Intel® Xeon® Processor E3 v3 Family
Status	Launched	Launched
Vertical segment	Server	Server
Launch price (MSRP)		$531
Price now		$400.99
Value for money (0-100)		7.26
Performance
64 bit support
Base frequency	3.50 GHz	3.50 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
Die size		160 mm
L1 cache		64 KB (per core)
L2 cache		256 KB (per core)
L3 cache		8192 KB (shared)
Transistor count		1400 million
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 and DDR3L 1333/1600 at 1.5V
ECC memory support
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	84 Watt
Thermal Solution		PCG 2013D
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
Flexible Display interface (FDI)
Intel® Advanced Vector Extensions (AVX)
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
Graphics base frequency		350 MHz
Graphics max dynamic frequency		1.25 GHz
Graphics max frequency		1.25 GHz
Intel® Clear Video HD technology
Intel® Flexible Display Interface (Intel® FDI)
Intel® InTru™ 3D technology
Intel® Quick Sync Video
Processor graphics		Intel HD Graphics P4600
Graphics interfaces
Number of displays supported		3