Intel Xeon E3-1275L v3 vs Intel Xeon E5-2603 v2

Comparative analysis of Intel Xeon E3-1275L v3 and Intel Xeon E5-2603 v2 processors for all known characteristics in the following categories: Essentials, Performance, Memory, Graphics, Graphics interfaces, Graphics image quality, Graphics API support, Compatibility, Peripherals, Security & Reliability, Advanced Technologies, Virtualization. Benchmark processor performance analysis: PassMark - Single thread mark, PassMark - CPU mark, Geekbench 4 - Single Core, Geekbench 4 - Multi-Core.

Intel Xeon E3-1275L v3

Intel Xeon E5-2603 v2

Differences

Reasons to consider the Intel Xeon E3-1275L v3

4 more threads: 8 vs 4
Around 117% higher clock speed: 3.90 GHz vs 1.8 GHz
Around 78% lower typical power consumption: 45 Watt vs 80 Watt
2.2x better performance in PassMark - Single thread mark: 2131 vs 991
Around 26% better performance in PassMark - CPU mark: 6327 vs 5017

Specifications (specs)
Number of threads	8 vs 4
Maximum frequency	3.90 GHz vs 1.8 GHz
Thermal Design Power (TDP)	45 Watt vs 80 Watt
Benchmarks
PassMark - Single thread mark	2131 vs 991
PassMark - CPU mark	6327 vs 5017

Reasons to consider the Intel Xeon E5-2603 v2

24x more maximum memory size: 768 GB vs 32 GB
2.1x better performance in Geekbench 4 - Single Core: 1865 vs 905
Around 91% better performance in Geekbench 4 - Multi-Core: 5459 vs 2853

Specifications (specs)
Maximum memory size	768 GB vs 32 GB
Max number of CPUs in a configuration	2 vs 1
Benchmarks
Geekbench 4 - Single Core	1865 vs 905
Geekbench 4 - Multi-Core	5459 vs 2853

Compare benchmarks

CPU 1: Intel Xeon E3-1275L v3
CPU 2: Intel Xeon E5-2603 v2

PassMark - Single thread mark

CPU 1

CPU 2

2131

991

PassMark - CPU mark

CPU 1

CPU 2

6327

5017

Geekbench 4 - Single Core

CPU 1

CPU 2

905

1865

Geekbench 4 - Multi-Core

CPU 1

CPU 2

2853

5459

Name	Intel Xeon E3-1275L v3	Intel Xeon E5-2603 v2
PassMark - Single thread mark	2131	991
PassMark - CPU mark	6327	5017
Geekbench 4 - Single Core	905	1865
Geekbench 4 - Multi-Core	2853	5459

Compare specifications (specs)

	Intel Xeon E3-1275L v3	Intel Xeon E5-2603 v2
Essentials
Architecture codename	Haswell	Ivy Bridge EP
Launch date	Q2'14	September 2013
Place in performance rating	1540	1525
Processor Number	E3-1275LV3	E5-2603V2
Series	Intel® Xeon® Processor E3 v3 Family	Intel® Xeon® Processor E5 v2 Family
Status	Discontinued	Launched
Vertical segment	Server	Server
Launch price (MSRP)		$240
Price now		$39.09
Value for money (0-100)		28.38
Performance
64 bit support
Base frequency	2.70 GHz	1.80 GHz
Bus Speed	5 GT/s DMI	6.4 GT/s QPI
Manufacturing process technology	22 nm	22 nm
Maximum frequency	3.90 GHz	1.8 GHz
Number of cores	4	4
Number of QPI Links	0	2
Number of threads	8	4
Die size		160 mm
L1 cache		64 KB (per core)
L2 cache		256 KB (per core)
L3 cache		10240 KB (shared)
Maximum core temperature		71°C
Transistor count		1400 million
VID voltage range		0.65–1.30V
Memory
Max memory channels	2	4
Maximum memory bandwidth	25.6 GB/s	42.6 GB/s
Maximum memory size	32 GB	768 GB
Supported memory types	DDR3 1333/1600	DDR3 800/1066/1333
ECC memory support
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
Compatibility
Low Halogen Options Available
Max number of CPUs in a configuration	1	2
Package Size	37.5mm x 37.5mm	52.5mm x 45mm
Sockets supported	FCLGA1150	FCLGA2011
Thermal Design Power (TDP)	45 Watt	80 Watt
Thermal Solution	PCG 2013B
Peripherals
Max number of PCIe lanes	16	40
PCI Express revision	3.0	3.0
PCIe configurations	1x16, 2x8, 1x8/2x4	x4, x8, x16
Scalability	1S Only	2S Only
Security & Reliability
Anti-Theft technology
Execute Disable Bit (EDB)
Intel® Identity Protection technology
Intel® OS Guard
Intel® Secure Key technology
Intel® Trusted Execution technology (TXT)
Advanced Technologies
Enhanced Intel SpeedStep® technology
Idle States
Instruction set extensions	Intel® SSE4.1, Intel® SSE4.2, Intel® AVX2	Intel® AVX
Intel 64
Intel® AES New Instructions
Intel® Fast Memory Access
Intel® Flex Memory Access
Intel® Hyper-Threading technology
Intel® Stable Image Platform Program (SIPP)
Intel® TSX-NI
Intel® Turbo Boost technology
Intel® vPro™ Platform Eligibility
Thermal Monitoring
Intel® Advanced Vector Extensions (AVX)
Intel® Demand Based Switching
Physical Address Extensions (PAE)		46-bit
Virtualization
Intel® Virtualization Technology (VT-x)
Intel® Virtualization Technology for Directed I/O (VT-d)
Intel® VT-x with Extended Page Tables (EPT)