Intel Xeon E7-4830 vs AMD EPYC 7251

Comparative analysis of Intel Xeon E7-4830 and AMD EPYC 7251 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 E7-4830

AMD EPYC 7251

Differences

Reasons to consider the Intel Xeon E7-4830

Around 14% lower typical power consumption: 105 Watt vs 120 Watt
Around 34% better performance in PassMark - CPU mark: 19981 vs 14935

Specifications (specs)
Max number of CPUs in a configuration	4 vs 2
Thermal Design Power (TDP)	105 Watt vs 120 Watt
Benchmarks
PassMark - CPU mark	19981 vs 14935

Reasons to consider the AMD EPYC 7251

Processor is unlocked, an unlocked multiplier allows for easier overclocking
Around 21% higher clock speed: 2.9 GHz vs 2.40 GHz
A newer manufacturing process allows for a more powerful, yet cooler running processor: 14 nm vs 32 nm
Around 65% better performance in PassMark - Single thread mark: 1671 vs 1012

Specifications (specs)
Unlocked	Unlocked vs Locked
Maximum frequency	2.9 GHz vs 2.40 GHz
Manufacturing process technology	14 nm vs 32 nm
Benchmarks
PassMark - Single thread mark	1671 vs 1012

Compare benchmarks

CPU 1: Intel Xeon E7-4830
CPU 2: AMD EPYC 7251

PassMark - Single thread mark

CPU 1

CPU 2

1012

1671

PassMark - CPU mark

CPU 1

CPU 2

19981

14935

Name	Intel Xeon E7-4830	AMD EPYC 7251
Geekbench 4 - Single Core	1696
Geekbench 4 - Multi-Core	10382
PassMark - Single thread mark	1012	1671
PassMark - CPU mark	19981	14935

Compare specifications (specs)

	Intel Xeon E7-4830	AMD EPYC 7251
Essentials
Architecture codename	Westmere EX	Zen
Launch date	Q2'11	June 2017
Place in performance rating	1115	1181
Processor Number	E7-4830
Series	Intel® Xeon® Processor E7 Family	AMD EPYC 7000 Series
Status	Discontinued
Vertical segment	Server	Server
Family		AMD EPYC
Performance
64 bit support
Base frequency	2.13 GHz	2.1 GHz
Bus Speed	6.4 GT/s QPI
Manufacturing process technology	32 nm	14 nm
Maximum core temperature	64°C
Maximum frequency	2.40 GHz	2.9 GHz
Number of cores	8	8
Number of threads	16	16
Die size		192 mm
L1 cache		96 KB (per core)
L2 cache		512 KB (per core)
L3 cache		32 MB
Transistor count		4800 million
Unlocked
Memory
Max memory channels	4	8
Maximum memory size	2 TB
Supported memory types	DDR3 800/978/1066/1333 (Max Speed 1066 MHz)	DDR4
Maximum memory bandwidth		307 GB/s
Supported memory frequency		2400 MHz
Compatibility
Low Halogen Options Available
Max number of CPUs in a configuration	4	2
Package Size	49.17mm x 56.47mm
Sockets supported	LGA1567	TR4
Thermal Design Power (TDP)	105 Watt	120 Watt
Socket Count		1P/2P
Peripherals
Scalability	S4S
PCI Express revision		x128
Security & Reliability
Execute Disable Bit (EDB)
Intel® Trusted Execution technology (TXT)
Advanced Technologies
Enhanced Intel SpeedStep® technology
Instruction set extensions	Intel® SSE4.1, Intel® SSE4.2
Intel 64
Intel® AES New Instructions
Intel® Hyper-Threading technology
Intel® Turbo Boost technology
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)
AMD Virtualization (AMD-V™)