Intel Xeon E5-2651 v2 vs Intel Xeon Gold 6146

Comparative analysis of Intel Xeon E5-2651 v2 and Intel Xeon Gold 6146 processors for all known characteristics in the following categories: Essentials, Performance, Memory, Compatibility, Peripherals, Security & Reliability, Advanced Technologies, Virtualization. Benchmark processor performance analysis: Geekbench 4 - Single Core, Geekbench 4 - Multi-Core, PassMark - Single thread mark, PassMark - CPU mark.

Intel Xeon E5-2651 v2

Intel Xeon Gold 6146

Differences

Reasons to consider the Intel Xeon Gold 6146

A newer manufacturing process allows for a more powerful, yet cooler running processor: 14 nm vs 22 nm
1024x more maximum memory size: 768 GB vs 768 GB (per socket)
2.4x better performance in Geekbench 4 - Single Core: 4964 vs 2030
Around 99% better performance in Geekbench 4 - Multi-Core: 35971 vs 18071

Specifications (specs)
Manufacturing process technology	14 nm vs 22 nm
Maximum memory size	768 GB vs 768 GB (per socket)
Benchmarks
Geekbench 4 - Single Core	4964 vs 2030
Geekbench 4 - Multi-Core	35971 vs 18071

Compare benchmarks

CPU 1: Intel Xeon E5-2651 v2
CPU 2: Intel Xeon Gold 6146

Geekbench 4 - Single Core

CPU 1

CPU 2

2030

4964

Geekbench 4 - Multi-Core

CPU 1

CPU 2

18071

35971

Name	Intel Xeon E5-2651 v2	Intel Xeon Gold 6146
Geekbench 4 - Single Core	2030	4964
Geekbench 4 - Multi-Core	18071	35971
PassMark - Single thread mark		2340
PassMark - CPU mark		38208

Compare specifications (specs)

	Intel Xeon E5-2651 v2	Intel Xeon Gold 6146
Essentials
Architecture codename	Ivy Bridge-EP	Skylake
Family	Intel Xeon E5-2600 v2
Launch date	November 2013	Q3'17
Place in performance rating	291	21
Processor Number	E5-2651 v2	6146
Vertical segment	Server	Server
Series		Intel® Xeon® Scalable Processors
Status		Launched
Performance
64 bit support
Base frequency	1800 MHz	3.20 GHz
Bus Speed	5 GT/s DMI
L1 cache	768 KB
L2 cache	3 MB
L3 cache	30 MB
Manufacturing process technology	22 nm	14 nm
Number of cores	12	12
Number of threads	24	24
Maximum core temperature		76°C
Maximum frequency		4.20 GHz
Number of Ultra Path Interconnect (UPI) Links		3
Memory
ECC memory support
Max memory channels	4	6
Maximum memory size	768 GB (per socket)	768 GB
Supported memory types	DDR3	DDR4-2666
Supported memory frequency		2666 MHz
Compatibility
Max number of CPUs in a configuration	2
Sockets supported	LGA2011	FCLGA3647
Low Halogen Options Available
Package Size		76.0mm x 56.5mm
Thermal Design Power (TDP)		165 Watt
Peripherals
PCI Express revision	3.0	3.0
Max number of PCIe lanes		48
Scalability		S4S
Security & Reliability
Execute Disable Bit (EDB)
Intel® Trusted Execution technology (TXT)
Intel® Run Sure Technology
Mode-based Execute Control (MBE)
Advanced Technologies
Enhanced Intel SpeedStep® technology
Intel® Advanced Vector Extensions (AVX)
Intel® AES New Instructions
Intel® Hyper-Threading technology
Intel® Turbo Boost technology
Instruction set extensions		Intel® SSE4.2, Intel® AVX, Intel® AVX2, Intel® AVX-512
Intel 64
Intel® Optane™ Memory Supported
Intel® TSX-NI
Intel® Volume Management Device (VMD)
Intel® vPro™ Platform Eligibility
Number of AVX-512 FMA Units		2
Speed Shift technology
Virtualization
Intel® Virtualization Technology (VT-x)
Intel® Virtualization Technology for Directed I/O (VT-d)
Intel® VT-x with Extended Page Tables (EPT)