Intel Xeon Gold 5420+ vs Intel Xeon Gold 6146

Comparative analysis of Intel Xeon Gold 5420+ and Intel Xeon Gold 6146 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.

Intel Xeon Gold 5420+

Intel Xeon Gold 6146

Differences

Reasons to consider the Intel Xeon Gold 5420+

16 more cores, run more applications at once: 28 vs 12
32 more threads: 56 vs 24
Around 11% higher maximum core temperature: 84 vs 76°C
A newer manufacturing process allows for a more powerful, yet cooler running processor: 7 nm vs 14 nm
5.3x more maximum memory size: 4 TB vs 768 GB
Around 39% better performance in PassMark - Single thread mark: 3255 vs 2340
2.4x better performance in PassMark - CPU mark: 91859 vs 38208

Specifications (specs)
Number of cores	28 vs 12
Number of threads	56 vs 24
Maximum core temperature	84 vs 76°C
Manufacturing process technology	7 nm vs 14 nm
Maximum memory size	4 TB vs 768 GB
Benchmarks
PassMark - Single thread mark	3255 vs 2340
PassMark - CPU mark	91859 vs 38208

Reasons to consider the Intel Xeon Gold 6146

Around 2% higher clock speed: 4.20 GHz vs 4.10 GHz
Around 24% lower typical power consumption: 165 Watt vs 205 Watt

Maximum frequency	4.20 GHz vs 4.10 GHz
Thermal Design Power (TDP)	165 Watt vs 205 Watt

Compare benchmarks

CPU 1: Intel Xeon Gold 5420+
CPU 2: Intel Xeon Gold 6146

PassMark - Single thread mark

CPU 1

CPU 2

3255

2340

PassMark - CPU mark

CPU 1

CPU 2

91859

38208

Name	Intel Xeon Gold 5420+	Intel Xeon Gold 6146
PassMark - Single thread mark	3255	2340
PassMark - CPU mark	91859	38208
Geekbench 4 - Single Core		4964
Geekbench 4 - Multi-Core		35971

Compare specifications (specs)

	Intel Xeon Gold 5420+	Intel Xeon Gold 6146
Essentials
Architecture codename	Sapphire Rapids	Skylake
Launch date	10 Jan 2023	Q3'17
Launch price (MSRP)	$1848
Place in performance rating	29	21
Processor Number	5420+	6146
Series	4th Generation Intel Xeon Scalable Processors	Intel® Xeon® Scalable Processors
Vertical segment	Server	Server
Status		Launched
Performance
Base frequency	2.00 GHz	3.20 GHz
L1 cache	80K (per core)
L2 cache	2MB (per core)
L3 cache	52.5 MB (shared)
Manufacturing process technology	7 nm	14 nm
Maximum core temperature	84	76°C
Maximum frequency	4.10 GHz	4.20 GHz
Number of cores	28	12
Number of threads	56	24
Number of Ultra Path Interconnect (UPI) Links		3
Memory
Max memory channels	8	6
Maximum memory size	4 TB	768 GB
Supported memory types	Up to DDR5 4400 MT/s 1DPC and 2DPC	DDR4-2666
Supported memory frequency		2666 MHz
Compatibility
Package Size	77.5mm x 56.5mm	76.0mm x 56.5mm
Sockets supported	FCLGA4677	FCLGA3647
Thermal Design Power (TDP)	205 Watt	165 Watt
Low Halogen Options Available
Peripherals
Max number of PCIe lanes	80	48
PCI Express revision	5	3.0
Scalability	2S	S4S
Security & Reliability
Execute Disable Bit (EDB)
Intel® OS Guard
Intel® Run Sure Technology
Intel® Software Guard Extensions (Intel® SGX)
Intel® Trusted Execution technology (TXT)
Secure Boot
Mode-based Execute Control (MBE)
Advanced Technologies
Instruction set extensions	Intel AMX, Intel SSE4.2, Intel AVX, Intel AVX2, Intel AVX-512	Intel® SSE4.2, Intel® AVX, Intel® AVX2, Intel® AVX-512
Intel 64
Intel® AES New Instructions
Intel® Hyper-Threading technology
Intel® Turbo Boost technology
Number of AVX-512 FMA Units	2	2
Speed Shift technology
Enhanced Intel SpeedStep® technology
Intel® Optane™ Memory Supported
Intel® TSX-NI
Intel® Volume Management Device (VMD)
Intel® vPro™ Platform Eligibility
Virtualization
Intel® Virtualization Technology (VT-x)
Intel® Virtualization Technology for Directed I/O (VT-d)
Intel® VT-x with Extended Page Tables (EPT)