Intel Xeon Gold 6256 vs Intel Xeon E5-2651 v2

Comparative analysis of Intel Xeon Gold 6256 and Intel Xeon E5-2651 v2 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, Geekbench 4 - Single Core, Geekbench 4 - Multi-Core.

Intel Xeon Gold 6256

Intel Xeon E5-2651 v2

Differences

Reasons to consider the Intel Xeon Gold 6256

A newer manufacturing process allows for a more powerful, yet cooler running processor: 14 nm vs 22 nm
Around 10% more L3 cache; more data can be stored in the L3 cache for quick access later
1365.3x more maximum memory size: 1 TB vs 768 GB (per socket)

Manufacturing process technology	14 nm vs 22 nm
L3 cache	33 MB vs 30 MB
Maximum memory size	1 TB vs 768 GB (per socket)

Compare benchmarks

CPU 1: Intel Xeon Gold 6256
CPU 2: Intel Xeon E5-2651 v2

Name	Intel Xeon Gold 6256	Intel Xeon E5-2651 v2
PassMark - Single thread mark	2634
PassMark - CPU mark	46766
Geekbench 4 - Single Core		2030
Geekbench 4 - Multi-Core		18071

Compare specifications (specs)

	Intel Xeon Gold 6256	Intel Xeon E5-2651 v2
Essentials
Architecture codename	Cascade Lake	Ivy Bridge-EP
Launch date	Q1'20	November 2013
Launch price (MSRP)	$4466
Place in performance rating	308	287
Processor Number	6256	E5-2651 v2
Series	2nd Generation Intel Xeon Scalable Processors
Vertical segment	Server	Server
Family		Intel Xeon E5-2600 v2
Performance
Base frequency	3.60 GHz	1800 MHz
L3 cache	33 MB	30 MB
Manufacturing process technology	14 nm	22 nm
Maximum core temperature	64°C
Maximum frequency	4.50 GHz
Number of cores	12	12
Number of threads	24	24
64 bit support
Bus Speed		5 GT/s DMI
L1 cache		768 KB
L2 cache		3 MB
Memory
Max memory channels	6	4
Maximum memory size	1 TB	768 GB (per socket)
Supported memory frequency	2933 MHz
Supported memory types	DDR4-2933	DDR3
ECC memory support
Compatibility
Package Size	76.0mm x 56.5mm
Sockets supported	FCLGA3647	LGA2011
Thermal Design Power (TDP)	205 Watt
Max number of CPUs in a configuration		2
Peripherals
Max number of PCIe lanes	48
PCI Express revision	3.0	3.0
Scalability	S4S
Security & Reliability
Execute Disable Bit (EDB)
Intel® Run Sure Technology
Intel® Trusted Execution technology (TXT)
Advanced Technologies
Enhanced Intel SpeedStep® technology
Instruction set extensions	Intel SSE4.2, Intel AVX, Intel AVX2, Intel AVX-512
Intel 64
Intel® AES New Instructions
Intel® Hyper-Threading technology
Intel® Turbo Boost technology
Intel® Volume Management Device (VMD)
Number of AVX-512 FMA Units	2
Speed Shift technology
Intel® Advanced Vector Extensions (AVX)
Virtualization
Intel® Virtualization Technology (VT-x)
Intel® Virtualization Technology for Directed I/O (VT-d)
Intel® VT-x with Extended Page Tables (EPT)