Intel Xeon E5-4660 v3 vs Intel Xeon E3-1245 v6

Comparative analysis of Intel Xeon E5-4660 v3 and Intel Xeon E3-1245 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 E5-4660 v3

Intel Xeon E3-1245 v6

Differences

Reasons to consider the Intel Xeon E5-4660 v3

10 more cores, run more applications at once: 14 vs 4
20 more threads: 28 vs 8
12x more maximum memory size: 768 GB vs 64 GB
Around 63% better performance in PassMark - CPU mark: 14256 vs 8772

Specifications (specs)
Number of cores	14 vs 4
Number of threads	28 vs 8
Maximum memory size	768 GB vs 64 GB
Max number of CPUs in a configuration	4 vs 1
Benchmarks
PassMark - CPU mark	14256 vs 8772

Reasons to consider the Intel Xeon E3-1245 v6

Around 41% higher clock speed: 4.10 GHz vs 2.90 GHz
A newer manufacturing process allows for a more powerful, yet cooler running processor: 14 nm vs 22 nm
Around 64% lower typical power consumption: 73 Watt vs 120 Watt
Around 55% better performance in PassMark - Single thread mark: 2421 vs 1558

Specifications (specs)
Maximum frequency	4.10 GHz vs 2.90 GHz
Manufacturing process technology	14 nm vs 22 nm
Thermal Design Power (TDP)	73 Watt vs 120 Watt
Benchmarks
PassMark - Single thread mark	2421 vs 1558

Compare benchmarks

CPU 1: Intel Xeon E5-4660 v3
CPU 2: Intel Xeon E3-1245 v6

PassMark - Single thread mark

CPU 1

CPU 2

1558

2421

PassMark - CPU mark

CPU 1

CPU 2

14256

8772

Name	Intel Xeon E5-4660 v3	Intel Xeon E3-1245 v6
PassMark - Single thread mark	1558	2421
PassMark - CPU mark	14256	8772
Geekbench 4 - Single Core		951
Geekbench 4 - Multi-Core		3779

Compare specifications (specs)

	Intel Xeon E5-4660 v3	Intel Xeon E3-1245 v6
Essentials
Architecture codename	Haswell	Kaby Lake
Launch date	Q2'15	Q1'17
Place in performance rating	1270	1257
Processor Number	E5-4660V3	E3-1245V6
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	2.10 GHz	3.70 GHz
Bus Speed	9.6 GT/s QPI	8 GT/s DMI3
Manufacturing process technology	22 nm	14 nm
Maximum core temperature	82.5°C
Maximum frequency	2.90 GHz	4.10 GHz
Number of cores	14	4
Number of QPI Links	2
Number of threads	28	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 51mm	37.5mm x 37.5mm
Sockets supported	FCLGA2011-3	FCLGA1151
Thermal Design Power (TDP)	120 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	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
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