Intel Xeon Gold 5115 vs Intel Xeon E5-2643 v3

Comparative analysis of Intel Xeon Gold 5115 and Intel Xeon E5-2643 v3 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 Gold 5115

Intel Xeon E5-2643 v3

Differences

Reasons to consider the Intel Xeon Gold 5115

4 more cores, run more applications at once: 10 vs 6
8 more threads: 20 vs 12
A newer manufacturing process allows for a more powerful, yet cooler running processor: 14 nm vs 22 nm
Around 59% lower typical power consumption: 85 Watt vs 135 Watt
Around 38% better performance in PassMark - CPU mark: 24805 vs 17937

Specifications (specs)
Number of cores	10 vs 6
Number of threads	20 vs 12
Manufacturing process technology	14 nm vs 22 nm
Thermal Design Power (TDP)	85 Watt vs 135 Watt
Benchmarks
PassMark - CPU mark	24805 vs 17937

Reasons to consider the Intel Xeon E5-2643 v3

Around 16% higher clock speed: 3.70 GHz vs 3.20 GHz
Around 2% higher maximum core temperature: 77.3°C vs 76°C
Around 12% better performance in PassMark - Single thread mark: 2062 vs 1848

Specifications (specs)
Maximum frequency	3.70 GHz vs 3.20 GHz
Maximum core temperature	77.3°C vs 76°C
Benchmarks
PassMark - Single thread mark	2062 vs 1848

Compare benchmarks

CPU 1: Intel Xeon Gold 5115
CPU 2: Intel Xeon E5-2643 v3

PassMark - Single thread mark

CPU 1

CPU 2

1848

2062

PassMark - CPU mark

CPU 1

CPU 2

24805

17937

Name	Intel Xeon Gold 5115	Intel Xeon E5-2643 v3
PassMark - Single thread mark	1848	2062
PassMark - CPU mark	24805	17937

Compare specifications (specs)

	Intel Xeon Gold 5115	Intel Xeon E5-2643 v3
Essentials
Architecture codename	Skylake	Haswell
Launch date	Q3'17	Q3'14
Place in performance rating	1022	1024
Processor Number	5115	E5-2643V3
Series	Intel® Xeon® Scalable Processors	Intel® Xeon® Processor E5 v3 Family
Status	Launched	Launched
Vertical segment	Server	Server
Performance
Base frequency	2.40 GHz	3.40 GHz
Manufacturing process technology	14 nm	22 nm
Maximum core temperature	76°C	77.3°C
Maximum frequency	3.20 GHz	3.70 GHz
Number of cores	10	6
Number of threads	20	12
Number of Ultra Path Interconnect (UPI) Links	2
64 bit support
Bus Speed		9.6 GT/s QPI
Number of QPI Links		2
VID voltage range		0.65V–1.30V
Memory
Max memory channels	6	4
Maximum memory size	768 GB	768 GB
Supported memory frequency	2400 MHz
Supported memory types	DDR4-2400	DDR4 1600/1866/2133
Maximum memory bandwidth		68 GB/s
Compatibility
Low Halogen Options Available
Package Size	76.0mm x 56.5mm	52.5mm x 45mm
Sockets supported	FCLGA3647	FCLGA2011-3
Thermal Design Power (TDP)	85 Watt	135 Watt
Max number of CPUs in a configuration		2
Peripherals
Max number of PCIe lanes	48	40
PCI Express revision	3.0	3.0
Scalability	S4S	2S
PCIe configurations		x4, x8, x16
Security & Reliability
Execute Disable Bit (EDB)
Intel® Run Sure Technology
Intel® Trusted Execution technology (TXT)
Mode-based Execute Control (MBE)
Intel® Identity Protection technology
Intel® OS Guard
Intel® Secure Key technology
Advanced Technologies
Enhanced Intel SpeedStep® technology
Instruction set extensions	Intel® SSE4.2, Intel® AVX, Intel® AVX2, Intel® AVX-512	Intel® AVX2
Intel 64
Intel® AES New Instructions
Intel® Hyper-Threading technology
Intel® Optane™ Memory Supported
Intel® TSX-NI
Intel® Turbo Boost technology
Intel® Volume Management Device (VMD)
Intel® vPro™ Platform Eligibility
Number of AVX-512 FMA Units	1
Speed Shift technology
Idle States
Intel® Demand Based Switching
Intel® Flex Memory Access
Physical Address Extensions (PAE)		46-bit
Thermal Monitoring
Virtualization
Intel® Virtualization Technology (VT-x)
Intel® Virtualization Technology for Directed I/O (VT-d)
Intel® VT-x with Extended Page Tables (EPT)