Intel Xeon E5-1660 v4 vs Intel Xeon E3-1275 v6

Comparative analysis of Intel Xeon E5-1660 v4 and Intel Xeon E3-1275 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 E5-1660 v4

Intel Xeon E3-1275 v6

Differences

Reasons to consider the Intel Xeon E5-1660 v4

4 more cores, run more applications at once: 8 vs 4
8 more threads: 16 vs 8
24x more maximum memory size: 1.5 TB vs 64 GB
Around 47% better performance in PassMark - CPU mark: 13614 vs 9285
Around 62% better performance in Geekbench 4 - Multi-Core: 6851 vs 4237

Specifications (specs)
Number of cores	8 vs 4
Number of threads	16 vs 8
Maximum memory size	1.5 TB vs 64 GB
Benchmarks
PassMark - CPU mark	13614 vs 9285
Geekbench 4 - Multi-Core	6851 vs 4237

Reasons to consider the Intel Xeon E3-1275 v6

Around 11% higher clock speed: 4.20 GHz vs 3.80 GHz
Around 92% lower typical power consumption: 73 Watt vs 140 Watt
Around 16% better performance in PassMark - Single thread mark: 2549 vs 2204
Around 24% better performance in Geekbench 4 - Single Core: 1103 vs 888

Specifications (specs)
Maximum frequency	4.20 GHz vs 3.80 GHz
Thermal Design Power (TDP)	73 Watt vs 140 Watt
Benchmarks
PassMark - Single thread mark	2549 vs 2204
Geekbench 4 - Single Core	1103 vs 888

Compare benchmarks

CPU 1: Intel Xeon E5-1660 v4
CPU 2: Intel Xeon E3-1275 v6

PassMark - Single thread mark

CPU 1

CPU 2

2204

2549

PassMark - CPU mark

CPU 1

CPU 2

13614

9285

Geekbench 4 - Single Core

CPU 1

CPU 2

888

1103

Geekbench 4 - Multi-Core

CPU 1

CPU 2

6851

4237

Name	Intel Xeon E5-1660 v4	Intel Xeon E3-1275 v6
PassMark - Single thread mark	2204	2549
PassMark - CPU mark	13614	9285
Geekbench 4 - Single Core	888	1103
Geekbench 4 - Multi-Core	6851	4237

Compare specifications (specs)

	Intel Xeon E5-1660 v4	Intel Xeon E3-1275 v6
Essentials
Architecture codename	Broadwell	Kaby Lake
Launch date	Q2'16	Q1'17
Place in performance rating	1249	1232
Processor Number	E5-1660V4	E3-1275V6
Series	Intel® Xeon® Processor E5 v4 Family	Intel® Xeon® Processor E3 v6 Family
Status	Launched	Launched
Vertical segment	Server	Server
Performance
64 bit support
Base frequency	3.20 GHz	3.80 GHz
Bus Speed	0 GT/s QPI	8 GT/s DMI3
Manufacturing process technology	14 nm	14 nm
Maximum core temperature	70°C
Maximum frequency	3.80 GHz	4.20 GHz
Number of cores	8	4
Number of QPI Links	0
Number of threads	16	8
VID voltage range		0.55V-1.52V
Memory
Max memory channels	4	2
Maximum memory bandwidth	76.8 GB/s	37.5 GB/s
Maximum memory size	1.5 TB	64 GB
Supported memory types	DDR4 1600/1866/2133/2400	DDR4-2400, DDR3L-1866
Compatibility
Low Halogen Options Available
Max number of CPUs in a configuration	1	1
Package Size	45mm x 52.5mm	37.5mm x 37.5mm
Sockets supported	FCLGA2011-3	FCLGA1151
Thermal Design Power (TDP)	140 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	1S Only	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