Intel Xeon E5-4655 v3 vs Intel Xeon E3-1270 v6

Comparative analysis of Intel Xeon E5-4655 v3 and Intel Xeon E3-1270 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. Benchmark processor performance analysis: PassMark - Single thread mark, PassMark - CPU mark, Geekbench 4 - Single Core, Geekbench 4 - Multi-Core.

Intel Xeon E5-4655 v3

Intel Xeon E3-1270 v6

Differences

Reasons to consider the Intel Xeon E5-4655 v3

2 more cores, run more applications at once: 6 vs 4
4 more threads: 12 vs 8
12x more maximum memory size: 768 GB vs 64 GB
Around 5% better performance in PassMark - CPU mark: 9377 vs 8931

Specifications (specs)
Number of cores	6 vs 4
Number of threads	12 vs 8
Maximum memory size	768 GB vs 64 GB
Max number of CPUs in a configuration	4 vs 1
Benchmarks
PassMark - CPU mark	9377 vs 8931

Reasons to consider the Intel Xeon E3-1270 v6

Around 31% higher clock speed: 4.20 GHz vs 3.20 GHz
A newer manufacturing process allows for a more powerful, yet cooler running processor: 14 nm vs 22 nm
Around 88% lower typical power consumption: 72 Watt vs 135 Watt
Around 35% better performance in PassMark - Single thread mark: 2458 vs 1817

Specifications (specs)
Maximum frequency	4.20 GHz vs 3.20 GHz
Manufacturing process technology	14 nm vs 22 nm
Thermal Design Power (TDP)	72 Watt vs 135 Watt
Benchmarks
PassMark - Single thread mark	2458 vs 1817

Compare benchmarks

CPU 1: Intel Xeon E5-4655 v3
CPU 2: Intel Xeon E3-1270 v6

PassMark - Single thread mark

CPU 1

CPU 2

1817

2458

PassMark - CPU mark

CPU 1

CPU 2

9377

8931

Name	Intel Xeon E5-4655 v3	Intel Xeon E3-1270 v6
PassMark - Single thread mark	1817	2458
PassMark - CPU mark	9377	8931
Geekbench 4 - Single Core		1042
Geekbench 4 - Multi-Core		4150

Compare specifications (specs)

	Intel Xeon E5-4655 v3	Intel Xeon E3-1270 v6
Essentials
Architecture codename	Haswell	Kaby Lake
Launch date	Q2'15	Q1'17
Place in performance rating	1293	1281
Processor Number	E5-4655V3	E3-1270V6
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	2.90 GHz	3.80 GHz
Bus Speed	9.6 GT/s QPI	8 GT/s DMI3
Manufacturing process technology	22 nm	14 nm
Maximum core temperature	84.4°C
Maximum frequency	3.20 GHz	4.20 GHz
Number of cores	6	4
Number of QPI Links	2
Number of threads	12	8
VID voltage range		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	DDR4-2400, DDR3L-1866
Compatibility
Low Halogen Options Available
Max number of CPUs in a configuration	4	1
Package Size	52.5mm x 45mm	37.5mm x 37.5mm
Sockets supported	FCLGA2011-3	FCLGA1151
Thermal Design Power (TDP)	135 Watt	72 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	4S	1S Only
Security & Reliability
Execute Disable Bit (EDB)
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® Flex Memory Access
Intel® Hyper-Threading technology
Intel® Instruction Replay Technology
Intel® TSX-NI
Intel® Turbo Boost technology
Physical Address Extensions (PAE)	46-bit
Thermal Monitoring
Intel® Optane™ Memory Supported
Intel® vPro™ Platform Eligibility
Virtualization
Intel® Virtualization Technology (VT-x)
Intel® Virtualization Technology for Directed I/O (VT-d)
Intel® VT-x with Extended Page Tables (EPT)
Graphics
Intel® Clear Video HD technology
Intel® Clear Video technology
Intel® InTru™ 3D technology
Intel® Quick Sync Video
Graphics interfaces
Number of displays supported		0
Graphics image quality
4K resolution support