AMD EPYC 7742 vs Intel Xeon Silver 4208

Comparative analysis of AMD EPYC 7742 and Intel Xeon Silver 4208 processors for all known characteristics in the following categories: Essentials, Performance, Memory, Compatibility, Peripherals, Advanced Technologies, Virtualization, Security & Reliability. Benchmark processor performance analysis: PassMark - Single thread mark, PassMark - CPU mark.

AMD EPYC 7742

Intel Xeon Silver 4208

Differences

Reasons to consider the AMD EPYC 7742

CPU is newer: launch date 4 month(s) later
56 more cores, run more applications at once: 64 vs 8
112 more threads: 128 vs 16
Around 6% higher clock speed: 3.4 GHz vs 3.20 GHz
A newer manufacturing process allows for a more powerful, yet cooler running processor: 7 nm, 14 nm vs 14 nm
8x 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
23.3x more L3 cache, more data can be stored in the L3 cache for quick access later
4x more maximum memory size: 4 TB vs 1 TB
Around 20% better performance in PassMark - Single thread mark: 2142 vs 1789
5x better performance in PassMark - CPU mark: 96766 vs 19398

Specifications (specs)
Launch date	7 Aug 2019 vs 2 April 2019
Number of cores	64 vs 8
Number of threads	128 vs 16
Maximum frequency	3.4 GHz vs 3.20 GHz
Manufacturing process technology	7 nm, 14 nm vs 14 nm
L1 cache	4 MB vs 512 KB
L2 cache	32 MB vs 8 MB
L3 cache	256 MB vs 11 MB
Maximum memory size	4 TB vs 1 TB
Benchmarks
PassMark - Single thread mark	2142 vs 1789
PassMark - CPU mark	96766 vs 19398

Reasons to consider the Intel Xeon Silver 4208

2.6x lower typical power consumption: 85 Watt vs 225 Watt

Thermal Design Power (TDP)	85 Watt vs 225 Watt

Compare benchmarks

CPU 1: AMD EPYC 7742
CPU 2: Intel Xeon Silver 4208

PassMark - Single thread mark

CPU 1

CPU 2

2142

1789

PassMark - CPU mark

CPU 1

CPU 2

96766

19398

Name	AMD EPYC 7742	Intel Xeon Silver 4208
PassMark - Single thread mark	2142	1789
PassMark - CPU mark	96766	19398

Compare specifications (specs)

	AMD EPYC 7742	Intel Xeon Silver 4208
Essentials
Architecture codename	Zen 2	Cascade Lake
Launch date	7 Aug 2019	2 April 2019
Place in performance rating	98	1046
Vertical segment	Server	Server
Family		Xeon Silver
Launch price (MSRP)		$417
Processor Number		4208
Series		4200
Performance
Base frequency	2.25 GHz	2.10 GHz
L1 cache	4 MB	512 KB
L2 cache	32 MB	8 MB
L3 cache	256 MB	11 MB
Manufacturing process technology	7 nm, 14 nm	14 nm
Maximum frequency	3.4 GHz	3.20 GHz
Number of cores	64	8
Number of threads	128	16
Unlocked
64 bit support
Maximum case temperature (TCase)		78 °C
Number of Ultra Path Interconnect (UPI) Links		2
Memory
ECC memory support
Max memory channels	8	6
Maximum memory bandwidth	190.7 GB/s	107.3 GB/s
Maximum memory size	4 TB	1 TB
Supported memory types	DDR4-3200	DDR4-2400
Supported memory frequency		2400 MHz
Compatibility
Max number of CPUs in a configuration	2
Sockets supported	SP3	FCLGA3647
Thermal Design Power (TDP)	225 Watt	85 Watt
Peripherals
Max number of PCIe lanes	128	48
PCI Express revision	4.0	3.0
PCIe configurations	x16, x8
Scalability		2S
Advanced Technologies
AMD SenseMI
Fused Multiply-Add 3 (FMA3)
Intel® Advanced Vector Extensions (AVX)
Intel® Advanced Vector Extensions 2 (AVX2)
Intel® AES New Instructions
Enhanced Intel SpeedStep® technology
Intel 64
Intel® Hyper-Threading technology
Intel® Optane™ Memory Supported
Intel® TSX-NI
Intel® Turbo Boost technology
Intel® Volume Management Device (VMD)
Intel® vPro™ Platform Eligibility
Speed Shift technology
Turbo Boost Max 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)
Mode-based Execute Control (MBE)