Intel Xeon E5-4660 v4 vs Intel Xeon E3-1276 v3

Comparative analysis of Intel Xeon E5-4660 v4 and Intel Xeon E3-1276 v3 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, CompuBench 1.5 Desktop - Face Detection (mPixels/s), CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s), CompuBench 1.5 Desktop - T-Rex (Frames/s), CompuBench 1.5 Desktop - Video Composition (Frames/s), CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s).

Intel Xeon E5-4660 v4

Intel Xeon E3-1276 v3

Differences

Reasons to consider the Intel Xeon E5-4660 v4

12 more cores, run more applications at once: 16 vs 4
24 more threads: 32 vs 8
A newer manufacturing process allows for a more powerful, yet cooler running processor: 14 nm vs 22 nm
48x more maximum memory size: 1.5 TB vs 32 GB
3.3x better performance in PassMark - CPU mark: 24421 vs 7508

Specifications (specs)
Number of cores	16 vs 4
Number of threads	32 vs 8
Manufacturing process technology	14 nm vs 22 nm
Maximum memory size	1.5 TB vs 32 GB
Max number of CPUs in a configuration	4 vs 1
Benchmarks
PassMark - CPU mark	24421 vs 7508

Reasons to consider the Intel Xeon E3-1276 v3

Around 33% higher clock speed: 4.00 GHz vs 3.00 GHz
Around 43% lower typical power consumption: 84 Watt vs 120 Watt
Around 45% better performance in PassMark - Single thread mark: 2283 vs 1575

Specifications (specs)
Maximum frequency	4.00 GHz vs 3.00 GHz
Thermal Design Power (TDP)	84 Watt vs 120 Watt
Benchmarks
PassMark - Single thread mark	2283 vs 1575

Compare benchmarks

CPU 1: Intel Xeon E5-4660 v4
CPU 2: Intel Xeon E3-1276 v3

PassMark - Single thread mark

CPU 1

CPU 2

1575

2283

PassMark - CPU mark

CPU 1

CPU 2

24421

7508

Name	Intel Xeon E5-4660 v4	Intel Xeon E3-1276 v3
PassMark - Single thread mark	1575	2283
PassMark - CPU mark	24421	7508
Geekbench 4 - Single Core		4368
Geekbench 4 - Multi-Core		13953
CompuBench 1.5 Desktop - Face Detection (mPixels/s)		16.022
CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s)		17.222
CompuBench 1.5 Desktop - T-Rex (Frames/s)		0.603
CompuBench 1.5 Desktop - Video Composition (Frames/s)		3.999
CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s)		5.686

Compare specifications (specs)

	Intel Xeon E5-4660 v4	Intel Xeon E3-1276 v3
Essentials
Architecture codename	Broadwell	Haswell
Launch date	Q2'16	Q2'14
Place in performance rating	1170	1184
Processor Number	E5-4660V4	E3-1276V3
Series	Intel® Xeon® Processor E5 v4 Family	Intel® Xeon® Processor E3 v3 Family
Status	Launched	Launched
Vertical segment	Server	Server
Performance
64 bit support
Base frequency	2.20 GHz	3.60 GHz
Bus Speed	9.6 GT/s QPI	5 GT/s DMI2
Manufacturing process technology	14 nm	22 nm
Maximum core temperature	83
Maximum frequency	3.00 GHz	4.00 GHz
Number of cores	16	4
Number of QPI Links	2	0
Number of threads	32	8
Memory
Max memory channels	4	2
Maximum memory bandwidth	68 GB/s	25.6 GB/s
Maximum memory size	1.5 TB	32 GB
Supported memory types	DDR4	DDR3 and DDR3L 1333/1600 at 1.5V
Compatibility
Low Halogen Options Available
Max number of CPUs in a configuration	4	1
Package Size	45mm x 52.5mm	37.5mm x 37.5mm
Sockets supported	FCLGA2011-3	FCLGA1150
Thermal Design Power (TDP)	120 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	4S	1S Only
Security & Reliability
Execute Disable Bit (EDB)
Intel® OS Guard
Intel® Secure Key technology
Intel® Trusted Execution technology (TXT)
Anti-Theft technology
Intel® Identity Protection 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® 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® Fast Memory Access
Intel® Stable Image Platform Program (SIPP)
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
Execution Units		20
Graphics base frequency		350 MHz
Graphics max dynamic frequency		1.25 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
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