Intel Xeon E3-1284L v3 vs Intel Core i7-6660U

Comparative analysis of Intel Xeon E3-1284L v3 and Intel Core i7-6660U processors for all known characteristics in the following categories: Essentials, Performance, Memory, Graphics, Graphics interfaces, Compatibility, Peripherals, Security & Reliability, Advanced Technologies, Virtualization, Graphics image quality, Graphics API support. Benchmark processor performance analysis: 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), Geekbench 4 - Single Core, Geekbench 4 - Multi-Core, PassMark - Single thread mark, PassMark - CPU mark.

Intel Xeon E3-1284L v3

Intel Core i7-6660U

Differences

Reasons to consider the Intel Xeon E3-1284L v3

2 more cores, run more applications at once: 4 vs 2
4 more threads: 8 vs 4
4.7x better performance in CompuBench 1.5 Desktop - Face Detection (mPixels/s): 11.603 vs 2.455
2x better performance in CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s): 90.521 vs 44.681
2.4x better performance in CompuBench 1.5 Desktop - T-Rex (Frames/s): 0.673 vs 0.28
13x better performance in CompuBench 1.5 Desktop - Video Composition (Frames/s): 15.649 vs 1.204
8.6x better performance in CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s): 25.273 vs 2.931

Specifications (specs)
Number of cores	4 vs 2
Number of threads	8 vs 4
Benchmarks
CompuBench 1.5 Desktop - Face Detection (mPixels/s)	11.603 vs 2.455
CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s)	90.521 vs 44.681
CompuBench 1.5 Desktop - T-Rex (Frames/s)	0.673 vs 0.28
CompuBench 1.5 Desktop - Video Composition (Frames/s)	15.649 vs 1.204
CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s)	25.273 vs 2.931

Reasons to consider the Intel Core i7-6660U

Around 6% higher clock speed: 3.40 GHz vs 3.20 GHz
A newer manufacturing process allows for a more powerful, yet cooler running processor: 14 nm vs 22 nm
3.1x lower typical power consumption: 15 Watt vs 47 Watt

Maximum frequency	3.40 GHz vs 3.20 GHz
Manufacturing process technology	14 nm vs 22 nm
Thermal Design Power (TDP)	15 Watt vs 47 Watt

Compare benchmarks

CPU 1: Intel Xeon E3-1284L v3
CPU 2: Intel Core i7-6660U

CompuBench 1.5 Desktop - Face Detection (mPixels/s)

CPU 1

CPU 2

11.603

2.455

CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s)

CPU 1

CPU 2

90.521

44.681

CompuBench 1.5 Desktop - T-Rex (Frames/s)

CPU 1

CPU 2

0.673

0.28

CompuBench 1.5 Desktop - Video Composition (Frames/s)

CPU 1

CPU 2

15.649

1.204

CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s)

CPU 1

CPU 2

25.273

2.931

Name	Intel Xeon E3-1284L v3	Intel Core i7-6660U
CompuBench 1.5 Desktop - Face Detection (mPixels/s)	11.603	2.455
CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s)	90.521	44.681
CompuBench 1.5 Desktop - T-Rex (Frames/s)	0.673	0.28
CompuBench 1.5 Desktop - Video Composition (Frames/s)	15.649	1.204
CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s)	25.273	2.931
Geekbench 4 - Single Core		3647
Geekbench 4 - Multi-Core		7130
PassMark - Single thread mark		1938
PassMark - CPU mark		3603

Compare specifications (specs)

	Intel Xeon E3-1284L v3	Intel Core i7-6660U
Essentials
Architecture codename	Crystal Well	Skylake
Family	Xeon E3
Launch date	1 March 2014	Q1'16
Launch price (MSRP)	$662
Place in performance rating	1687	1675
Processor Number	E3-1284L v3	i7-6660U
Vertical segment	Embedded	Mobile
Series		6th Generation Intel® Core™ i7 Processors
Status		Launched
Performance
64 bit support
Base frequency	1.80 GHz	2.40 GHz
Bus Speed	5 GT/s DMI	4 GT/s OPI
L1 cache	256 KB
L2 cache	1 MB
L3 cache	6 MB
Manufacturing process technology	22 nm	14 nm
Maximum core temperature	100 °C	100°C
Maximum frequency	3.20 GHz	3.40 GHz
Number of cores	4	2
Number of threads	8	4
Unlocked
Memory
ECC memory support
Max memory channels	2	2
Maximum memory bandwidth	25.6 GB/s	34.1 GB/s
Maximum memory size	32 GB	32 GB
Supported memory types	DDR3L 1333/1600	DDR4-2133, LPDDR3-1866, DDR3L-1600
Graphics
Graphics base frequency	750 MHz	300 MHz
Graphics max frequency	1.00 GHz
Intel® Clear Video HD technology
Intel® Flexible Display Interface (Intel® FDI)
Intel® InTru™ 3D technology
Intel® Quick Sync Video
Processor graphics	Intel Iris Pro Graphics 5200	Intel® Iris® Graphics 540
Device ID		0x1926
eDRAM		64 MB
Graphics max dynamic frequency		1.05 GHz
Intel® Clear Video technology
Max video memory		32 GB
Graphics interfaces
DisplayPort
eDP
HDMI
Number of displays supported	3	3
VGA
DVI
Compatibility
Low Halogen Options Available
Max number of CPUs in a configuration	1	1
Sockets supported	FCBGA1364	FCBGA1356
Thermal Design Power (TDP)	47 Watt	15 Watt
Configurable TDP-down		9.5 W
Package Size		42x24x1.3
Peripherals
Max number of PCIe lanes	16	12
PCI Express revision	3.0	3.0
PCIe configurations	1x16, 2x8, 1x8 2x4	1x4, 2x2, 1x2+2x1 and 4x1
Security & Reliability
Anti-Theft technology
Execute Disable Bit (EDB)
Intel® Identity Protection technology
Intel® Secure Key technology
Intel® Trusted Execution technology (TXT)
Intel® Memory Protection Extensions (Intel® MPX)
Intel® OS Guard
Intel® Software Guard Extensions (Intel® SGX)
Advanced Technologies
Enhanced Intel SpeedStep® technology
Idle States
Instruction set extensions	Intel® SSE4.1, Intel® SSE4.2, Intel® AVX2	Intel® SSE4.1, Intel® SSE4.2, Intel® AVX2
Intel 64
Intel® Advanced Vector Extensions 2 (AVX2)
Intel® AES New Instructions
Intel® Hyper-Threading technology
Intel® TSX-NI
Intel® Turbo Boost technology
Intel® vPro™ Platform Eligibility
Thermal Monitoring
Intel® Flex Memory Access
Intel® My WiFi technology
Intel® Smart Response technology
Intel® Stable Image Platform Program (SIPP)
Virtualization
Intel® Virtualization Technology (VT-x)
Intel® Virtualization Technology for Directed I/O (VT-d)
Intel® VT-x with Extended Page Tables (EPT)
Graphics image quality
4K resolution support
Max resolution over DisplayPort		4096x2304@60Hz
Max resolution over eDP		4096x2304@60Hz
Max resolution over HDMI 1.4		4096x2304@24Hz
Graphics API support
DirectX		12
OpenGL		4.5