AMD EPYC Embedded 3251 vs Intel Xeon X5667

Comparative analysis of AMD EPYC Embedded 3251 and Intel Xeon X5667 processors for all known characteristics in the following categories: Essentials, Performance, Memory, Compatibility, Peripherals, Virtualization, Security & Reliability, Advanced Technologies. Benchmark processor performance analysis: PassMark - Single thread mark, PassMark - CPU mark, Geekbench 4 - Single Core, Geekbench 4 - Multi-Core.

AMD EPYC Embedded 3251

Intel Xeon X5667

Differences

Reasons to consider the AMD EPYC Embedded 3251

CPU is newer: launch date 7 year(s) 11 month(s) later
Processor is unlocked, an unlocked multiplier allows for easier overclocking
4 more cores, run more applications at once: 8 vs 4
8 more threads: 16 vs 8
A newer manufacturing process allows for a more powerful, yet cooler running processor: 14 nm vs 32 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
Around 33% more L3 cache; more data can be stored in the L3 cache for quick access later
Around 78% higher maximum memory size: 512 GB vs 288 GB
Around 90% lower typical power consumption: 50 Watt vs 95 Watt
Around 30% better performance in PassMark - Single thread mark: 1881 vs 1445
Around 64% better performance in PassMark - CPU mark: 13912 vs 8462

Specifications (specs)
Launch date	21 Feb 2018 vs March 2010
Unlocked	Unlocked vs Locked
Number of cores	8 vs 4
Number of threads	16 vs 8
Manufacturing process technology	14 nm vs 32 nm
L1 cache	768 KB vs 64 KB (per core)
L2 cache	4 MB vs 256 KB (per core)
L3 cache	16 MB vs 12288 KB (shared)
Maximum memory size	512 GB vs 288 GB
Thermal Design Power (TDP)	50 Watt vs 95 Watt
Benchmarks
PassMark - Single thread mark	1881 vs 1445
PassMark - CPU mark	13912 vs 8462

Reasons to consider the Intel Xeon X5667

Around 12% higher clock speed: 3.46 GHz vs 3.1 GHz

Maximum frequency	3.46 GHz vs 3.1 GHz
Max number of CPUs in a configuration	2 vs 1

Compare benchmarks

CPU 1: AMD EPYC Embedded 3251
CPU 2: Intel Xeon X5667

PassMark - Single thread mark

CPU 1

CPU 2

1881

1445

PassMark - CPU mark

CPU 1

CPU 2

13912

8462

Name	AMD EPYC Embedded 3251	Intel Xeon X5667
PassMark - Single thread mark	1881	1445
PassMark - CPU mark	13912	8462
Geekbench 4 - Single Core		2695
Geekbench 4 - Multi-Core		9962

Compare specifications (specs)

	AMD EPYC Embedded 3251	Intel Xeon X5667
Essentials
Architecture codename	Zen	Westmere EP
Launch date	21 Feb 2018	March 2010
Place in performance rating	1202	963
Vertical segment	Server	Server
Launch price (MSRP)		$80
Price now		$70
Processor Number		X5667
Series		Legacy Intel® Xeon® Processors
Status		Discontinued
Value for money (0-100)		19.87
Performance
64 bit support
Base frequency	2.5 GHz	3.06 GHz
Die size	192 mm	239 mm
L1 cache	768 KB	64 KB (per core)
L2 cache	4 MB	256 KB (per core)
L3 cache	16 MB	12288 KB (shared)
Manufacturing process technology	14 nm	32 nm
Maximum frequency	3.1 GHz	3.46 GHz
Number of cores	8	4
Number of threads	16	8
Transistor count	4800 million	1170 million
Unlocked
Bus Speed		6.4 GT/s QPI
Maximum core temperature		82.9°C
Number of QPI Links		2
VID voltage range		0.750V-1.350V
Memory
ECC memory support
Max memory channels	2	3
Maximum memory bandwidth	39.74 GB/s	32 GB/s
Maximum memory size	512 GB	288 GB
Supported memory types	DDR4-2666	DDR3 800/1066/1333
Compatibility
Max number of CPUs in a configuration	1	2
Thermal Design Power (TDP)	50 Watt	95 Watt
Low Halogen Options Available
Package Size		42.5mm X 45mm
Sockets supported		FCLGA1366
Peripherals
Integrated LAN
Max number of PCIe lanes	32
PCI Express revision	3.0
PCIe configurations	x16, x8, x4, x2
Total number of SATA ports	8
USB revision	3.0
Virtualization
AMD Virtualization (AMD-V™)
Intel® Virtualization Technology (VT-x)
Intel® Virtualization Technology for Directed I/O (VT-d)
Intel® VT-x with Extended Page Tables (EPT)
Security & Reliability
Execute Disable Bit (EDB)
Intel® Trusted Execution technology (TXT)
Advanced Technologies
Enhanced Intel SpeedStep® technology
Idle States
Instruction set extensions		Intel® SSE4.2
Intel 64
Intel® AES New Instructions
Intel® Demand Based Switching
Intel® Hyper-Threading technology
Intel® Turbo Boost technology
Physical Address Extensions (PAE)		40-bit
Thermal Monitoring