Intel Xeon E5-2651 v2 vs AMD EPYC 7451

Comparative analysis of Intel Xeon E5-2651 v2 and AMD EPYC 7451 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

AMD EPYC 7451

Differences

Reasons to consider the AMD EPYC 7451

CPU is newer: launch date 3 year(s) 7 month(s) later
Processor is unlocked, an unlocked multiplier allows for easier overclocking
12 more cores, run more applications at once: 24 vs 12
24 more threads: 48 vs 24
A newer manufacturing process allows for a more powerful, yet cooler running processor: 14 nm vs 22 nm
3x more L1 cache, more data can be stored in the L1 cache for quick access later
4x more L2 cache, more data can be stored in the L2 cache for quick access later
2.1x more L3 cache, more data can be stored in the L3 cache for quick access later

Launch date	June 2017 vs November 2013
Unlocked	Unlocked vs Locked
Number of cores	24 vs 12
Number of threads	48 vs 24
Manufacturing process technology	14 nm vs 22 nm
L1 cache	96 KB (per core) vs 768 KB
L2 cache	512 KB (per core) vs 3 MB
L3 cache	64 MB vs 30 MB

Compare benchmarks

CPU 1: Intel Xeon E5-2651 v2
CPU 2: AMD EPYC 7451

Name	Intel Xeon E5-2651 v2	AMD EPYC 7451
Geekbench 4 - Single Core	2030
Geekbench 4 - Multi-Core	18071
PassMark - Single thread mark		1948
PassMark - CPU mark		51778

Compare specifications (specs)

	Intel Xeon E5-2651 v2	AMD EPYC 7451
Essentials
Architecture codename	Ivy Bridge-EP	Zen
Family	Intel Xeon E5-2600 v2	AMD EPYC
Launch date	November 2013	June 2017
Place in performance rating	289	516
Processor Number	E5-2651 v2
Vertical segment	Server	Server
Series		AMD EPYC 7000 Series
Performance
64 bit support
Base frequency	1800 MHz	2.3 GHz
Bus Speed	5 GT/s DMI
L1 cache	768 KB	96 KB (per core)
L2 cache	3 MB	512 KB (per core)
L3 cache	30 MB	64 MB
Manufacturing process technology	22 nm	14 nm
Number of cores	12	24
Number of threads	24	48
Die size		192 mm
Maximum frequency		3.2 GHz
Transistor count		4800 million
Unlocked
Memory
ECC memory support
Max memory channels	4	8
Maximum memory size	768 GB (per socket)
Supported memory types	DDR3	DDR4
Maximum memory bandwidth		341 GB/s
Supported memory frequency		2666 MHz
Compatibility
Max number of CPUs in a configuration	2	2
Sockets supported	LGA2011	TR4
Socket Count		1P/2P
Thermal Design Power (TDP)		180 Watt
Peripherals
PCI Express revision	3.0	x128
Security & Reliability
Execute Disable Bit (EDB)
Intel® Trusted Execution technology (TXT)
Advanced Technologies
Enhanced Intel SpeedStep® technology
Intel® Advanced Vector Extensions (AVX)
Intel® AES New Instructions
Intel® Hyper-Threading technology
Intel® Turbo Boost technology
Virtualization
Intel® Virtualization Technology (VT-x)
Intel® Virtualization Technology for Directed I/O (VT-d)
AMD Virtualization (AMD-V™)