AMD EPYC 7663 vs Intel Xeon Gold 6126

Comparative analysis of AMD EPYC 7663 and Intel Xeon Gold 6126 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, Geekbench 4 - Single Core, Geekbench 4 - Multi-Core.

AMD EPYC 7663

Intel Xeon Gold 6126

Differences

Reasons to consider the AMD EPYC 7663

44 more cores, run more applications at once: 56 vs 12
88 more threads: 112 vs 24
A newer manufacturing process allows for a more powerful, yet cooler running processor: 7 nm vs 14 nm
Around 24% better performance in PassMark - Single thread mark: 2615 vs 2109
2.7x better performance in PassMark - CPU mark: 82492 vs 30397

Specifications (specs)
Number of cores	56 vs 12
Number of threads	112 vs 24
Manufacturing process technology	7 nm vs 14 nm
Benchmarks
PassMark - Single thread mark	2615 vs 2109
PassMark - CPU mark	82492 vs 30397

Reasons to consider the Intel Xeon Gold 6126

Around 6% higher clock speed: 3.70 GHz vs 3.5 GHz
Around 92% lower typical power consumption: 125 Watt vs 240 Watt

Maximum frequency	3.70 GHz vs 3.5 GHz
Thermal Design Power (TDP)	125 Watt vs 240 Watt

Compare benchmarks

CPU 1: AMD EPYC 7663
CPU 2: Intel Xeon Gold 6126

PassMark - Single thread mark

CPU 1

CPU 2

2615

2109

PassMark - CPU mark

CPU 1

CPU 2

82492

30397

Name	AMD EPYC 7663	Intel Xeon Gold 6126
PassMark - Single thread mark	2615	2109
PassMark - CPU mark	82492	30397
Geekbench 4 - Single Core		3997
Geekbench 4 - Multi-Core		28699

Compare specifications (specs)

	AMD EPYC 7663	Intel Xeon Gold 6126
Essentials
Launch date	15 Mar 2021	Q3'17
Launch price (MSRP)	$6366
Place in performance rating	95	92
Architecture codename		Skylake
Processor Number		6126
Series		Intel® Xeon® Scalable Processors
Status		Launched
Vertical segment		Server
Performance
Base frequency	2000 MHz	2.60 GHz
Die size	8x 81 mm²
L1 cache	64 KB (per core)
L2 cache	512 KB (per core)
L3 cache	256 MB (shared)
Manufacturing process technology	7 nm	14 nm
Maximum frequency	3.5 GHz	3.70 GHz
Number of cores	56	12
Number of threads	112	24
Transistor count	33,200 million
Unlocked
Maximum core temperature		86°C
Number of Ultra Path Interconnect (UPI) Links		3
Memory
ECC memory support
Supported memory types	DDR4	DDR4-2666
Max memory channels		6
Maximum memory size		768 GB
Supported memory frequency		2666 MHz
Compatibility
Configurable TDP	225 Watt
Max number of CPUs in a configuration	2
Sockets supported	SP3	FCLGA3647
Thermal Design Power (TDP)	240 Watt	125 Watt
Low Halogen Options Available
Package Size		76.0mm x 56.5mm
Peripherals
PCIe configurations	Gen 4, 128 Lanes, (CPU only)
Max number of PCIe lanes		48
PCI Express revision		3.0
Scalability		S4S
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® Optane™ Memory Supported
Intel® TSX-NI
Intel® Turbo Boost technology
Intel® Volume Management Device (VMD)
Intel® vPro™ Platform Eligibility
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)