Intel Xeon Gold 6238 vs AMD EPYC Embedded 3251

Comparative analysis of Intel Xeon Gold 6238 and AMD EPYC Embedded 3251 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.

Intel Xeon Gold 6238

AMD EPYC Embedded 3251

Differences

Reasons to consider the Intel Xeon Gold 6238

CPU is newer: launch date 1 year(s) 1 month(s) later
14 more cores, run more applications at once: 22 vs 8
28 more threads: 44 vs 16
Around 19% higher clock speed: 3.70 GHz vs 3.1 GHz
Around 83% more L1 cache; more data can be stored in the L1 cache for quick access later
5.5x more L2 cache, more data can be stored in the L2 cache for quick access later
Around 89% more L3 cache; more data can be stored in the L3 cache for quick access later
2x more maximum memory size: 1 TB vs 512 GB
2.1x better performance in PassMark - CPU mark: 28668 vs 13912

Specifications (specs)
Launch date	2 Apr 2019 vs 21 Feb 2018
Number of cores	22 vs 8
Number of threads	44 vs 16
Maximum frequency	3.70 GHz vs 3.1 GHz
L1 cache	1.375 MB vs 768 KB
L2 cache	22 MB vs 4 MB
L3 cache	30.25 MB vs 16 MB
Maximum memory size	1 TB vs 512 GB
Benchmarks
PassMark - CPU mark	28668 vs 13912

Reasons to consider the AMD EPYC Embedded 3251

Processor is unlocked, an unlocked multiplier allows for easier overclocking
2.8x lower typical power consumption: 50 Watt vs 140 Watt

Specifications (specs)
Unlocked	Unlocked vs Locked
Thermal Design Power (TDP)	50 Watt vs 140 Watt
Benchmarks
PassMark - Single thread mark	1881 vs 1878

Compare benchmarks

CPU 1: Intel Xeon Gold 6238
CPU 2: AMD EPYC Embedded 3251

PassMark - Single thread mark

CPU 1

CPU 2

1878

1881

PassMark - CPU mark

CPU 1

CPU 2

28668

13912

Name	Intel Xeon Gold 6238	AMD EPYC Embedded 3251
PassMark - Single thread mark	1878	1881
PassMark - CPU mark	28668	13912

Compare specifications (specs)

	Intel Xeon Gold 6238	AMD EPYC Embedded 3251
Essentials
Architecture codename	Cascade Lake	Zen
Launch date	2 Apr 2019	21 Feb 2018
Launch price (MSRP)	$2612 - $2618
Place in performance rating	865	1088
Processor Number	6238
Series	2nd Generation Intel Xeon Scalable Processors
Status	Launched
Vertical segment	Server	Server
Performance
Base frequency	2.10 GHz	2.5 GHz
L1 cache	1.375 MB	768 KB
L2 cache	22 MB	4 MB
L3 cache	30.25 MB	16 MB
Manufacturing process technology	14 nm	14 nm
Maximum core temperature	92°C
Maximum frequency	3.70 GHz	3.1 GHz
Number of cores	22	8
Number of threads	44	16
Number of Ultra Path Interconnect (UPI) Links	3
64 bit support
Die size		192 mm
Transistor count		4800 million
Unlocked
Memory
ECC memory support
Max memory channels	6	2
Maximum memory bandwidth	131.13 GB/s	39.74 GB/s
Maximum memory size	1 TB	512 GB
Supported memory frequency	2933 MHz
Supported memory types	DDR4-2933	DDR4-2666
Compatibility
Package Size	76.0mm x 56.5mm
Sockets supported	FCLGA3647
Thermal Design Power (TDP)	140 Watt	50 Watt
Max number of CPUs in a configuration		1
Peripherals
Max number of PCIe lanes	48	32
PCI Express revision	3.0	3.0
Scalability	4S
Integrated LAN
PCIe configurations		x16, x8, x4, x2
Total number of SATA ports		8
USB revision		3.0
Security & Reliability
Execute Disable Bit (EDB)
Intel® Run Sure Technology
Intel® Trusted Execution technology (TXT)
Mode-based Execute Control (MBE)
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
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™)