Intel Xeon E5-4640 v3 vs Intel Xeon E3-1285L v4

Comparative analysis of Intel Xeon E5-4640 v3 and Intel Xeon E3-1285L v4 processors for all known characteristics in the following categories: Essentials, Performance, Memory, Compatibility, Peripherals, Security & Reliability, Advanced Technologies, Virtualization, Graphics, Graphics interfaces. Benchmark processor performance analysis: PassMark - Single thread mark, PassMark - CPU mark, 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 E5-4640 v3

Intel Xeon E3-1285L v4

Differences

Reasons to consider the Intel Xeon E5-4640 v3

8 more cores, run more applications at once: 12 vs 4
16 more threads: 24 vs 8
24x more maximum memory size: 768 GB vs 32 GB
Around 28% better performance in PassMark - CPU mark: 10372 vs 8074

Specifications (specs)
Number of cores	12 vs 4
Number of threads	24 vs 8
Maximum memory size	768 GB vs 32 GB
Max number of CPUs in a configuration	4 vs 1
Benchmarks
PassMark - CPU mark	10372 vs 8074

Reasons to consider the Intel Xeon E3-1285L v4

Around 46% higher clock speed: 3.80 GHz vs 2.60 GHz
A newer manufacturing process allows for a more powerful, yet cooler running processor: 14 nm vs 22 nm
Around 62% lower typical power consumption: 65 Watt vs 105 Watt
Around 55% better performance in PassMark - Single thread mark: 2350 vs 1514

Specifications (specs)
Maximum frequency	3.80 GHz vs 2.60 GHz
Manufacturing process technology	14 nm vs 22 nm
Thermal Design Power (TDP)	65 Watt vs 105 Watt
Benchmarks
PassMark - Single thread mark	2350 vs 1514

Compare benchmarks

CPU 1: Intel Xeon E5-4640 v3
CPU 2: Intel Xeon E3-1285L v4

PassMark - Single thread mark

CPU 1

CPU 2

1514

2350

PassMark - CPU mark

CPU 1

CPU 2

10372

8074

Name	Intel Xeon E5-4640 v3	Intel Xeon E3-1285L v4
PassMark - Single thread mark	1514	2350
PassMark - CPU mark	10372	8074
CompuBench 1.5 Desktop - Face Detection (mPixels/s)		15.699
CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s)		119.584
CompuBench 1.5 Desktop - T-Rex (Frames/s)		0.832
CompuBench 1.5 Desktop - Video Composition (Frames/s)		4.973
CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s)		40.284

Compare specifications (specs)

	Intel Xeon E5-4640 v3	Intel Xeon E3-1285L v4
Essentials
Architecture codename	Haswell	Broadwell
Launch date	Q2'15	Q2'15
Place in performance rating	1400	1404
Processor Number	E5-4640V3	E3-1285LV4
Series	Intel® Xeon® Processor E5 v3 Family	Intel® Xeon® Processor E3 v4 Family
Status	Launched	Launched
Vertical segment	Server	Server
Performance
64 bit support
Base frequency	1.90 GHz	3.40 GHz
Bus Speed	8 GT/s QPI	5 GT/s DMI
Manufacturing process technology	22 nm	14 nm
Maximum core temperature	77.6°C
Maximum frequency	2.60 GHz	3.80 GHz
Number of cores	12	4
Number of QPI Links	2	0
Number of threads	24	8
Memory
Max memory channels	4	2
Maximum memory bandwidth	68 GB/s	29.8 GB/s
Maximum memory size	768 GB	32 GB
Supported memory types	DDR4	DDR3 and DDR3L 1333/1600/1866 at 1.5V
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	FCLGA1150
Thermal Design Power (TDP)	105 Watt	65 Watt
Thermal Solution		PCG 2013B
Peripherals
Max number of PCIe lanes	40	16
PCI Express revision	3.0	3.0
PCIe configurations	x4, x8, x16	1x16
Scalability	4S	1S Only
Security & Reliability
Execute Disable Bit (EDB)
Intel® OS Guard
Intel® Secure Key technology
Intel® Trusted Execution technology (TXT)
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® 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
eDRAM		128 MB
Execution Units		48
Graphics base frequency		300 MHz
Graphics max dynamic frequency		1.15 GHz
Intel® Clear Video technology
Intel® Flexible Display Interface (Intel® FDI)
Intel® Quick Sync Video
Max video memory		32 GB
Graphics interfaces
Number of displays supported		3