Intel Xeon E7-2803 vs Intel Xeon E5-4660 v4

Comparative analysis of Intel Xeon E7-2803 and Intel Xeon E5-4660 v4 processors for all known characteristics in the following categories: Essentials, Performance, Memory, Compatibility, Peripherals, Security & Reliability, Advanced Technologies, Virtualization. Benchmark processor performance analysis: PassMark - Single thread mark, PassMark - CPU mark.

Intel Xeon E7-2803

Intel Xeon E5-4660 v4

Differences

Reasons to consider the Intel Xeon E7-2803

Around 14% lower typical power consumption: 105 Watt vs 120 Watt

Thermal Design Power (TDP)	105 Watt vs 120 Watt

Reasons to consider the Intel Xeon E5-4660 v4

10 more cores, run more applications at once: 16 vs 6
20 more threads: 32 vs 12
Around 30% higher maximum core temperature: 83 vs 64°C
A newer manufacturing process allows for a more powerful, yet cooler running processor: 14 nm vs 32 nm
Around 50% higher maximum memory size: 1.5 TB vs 1 TB

Number of cores	16 vs 6
Number of threads	32 vs 12
Maximum core temperature	83 vs 64°C
Manufacturing process technology	14 nm vs 32 nm
Maximum memory size	1.5 TB vs 1 TB
Max number of CPUs in a configuration	4 vs 2

Compare benchmarks

CPU 1: Intel Xeon E7-2803
CPU 2: Intel Xeon E5-4660 v4

Name	Intel Xeon E7-2803	Intel Xeon E5-4660 v4
PassMark - Single thread mark		1575
PassMark - CPU mark		24421

Compare specifications (specs)

	Intel Xeon E7-2803	Intel Xeon E5-4660 v4
Essentials
Architecture codename	Westmere EX	Broadwell
Launch date	Q2'11	Q2'16
Place in performance rating	not rated	1170
Processor Number	E7-2803	E5-4660V4
Series	Intel® Xeon® Processor E7 Family	Intel® Xeon® Processor E5 v4 Family
Status	Discontinued	Launched
Vertical segment	Server	Server
Performance
64 bit support
Base frequency	1.73 GHz	2.20 GHz
Bus Speed	4.8 GT/s QPI	9.6 GT/s QPI
Manufacturing process technology	32 nm	14 nm
Maximum core temperature	64°C	83
Number of cores	6	16
Number of threads	12	32
Maximum frequency		3.00 GHz
Number of QPI Links		2
Memory
Max memory channels	4	4
Maximum memory size	1 TB	1.5 TB
Supported memory types	DDR3 800/978/1066/1333 (Max Speed 800 MHz)	DDR4
Maximum memory bandwidth		68 GB/s
Compatibility
Low Halogen Options Available
Max number of CPUs in a configuration	2	4
Package Size	49.17mm x 56.47mm	45mm x 52.5mm
Sockets supported	LGA1567	FCLGA2011-3
Thermal Design Power (TDP)	105 Watt	120 Watt
Peripherals
Scalability	2S	4S
Max number of PCIe lanes		40
PCI Express revision		3.0
PCIe configurations		x4, x8, x16
Security & Reliability
Execute Disable Bit (EDB)
Intel® Trusted Execution technology (TXT)
Intel® OS Guard
Intel® Secure Key technology
Advanced Technologies
Enhanced Intel SpeedStep® technology
Instruction set extensions	Intel® SSE4.1, Intel® SSE4.2	Intel® AVX2
Intel 64
Intel® AES New Instructions
Intel® Hyper-Threading technology
Intel® Turbo Boost technology
Thermal Monitoring
Idle States
Intel® Flex Memory Access
Intel® Instruction Replay Technology
Intel® TSX-NI
Physical Address Extensions (PAE)		46-bit
Virtualization
Intel® Virtualization Technology (VT-x)
Intel® Virtualization Technology for Directed I/O (VT-d)
Intel® VT-x with Extended Page Tables (EPT)