Intel Xeon Gold 6438Y+ vs Intel Xeon Gold 5420+

Comparative analysis of Intel Xeon Gold 6438Y+ and Intel Xeon Gold 5420+ 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 6438Y+

Intel Xeon Gold 5420+

Differences

Reasons to consider the Intel Xeon Gold 6438Y+

4 more cores, run more applications at once: 32 vs 28
8 more threads: 64 vs 56
Around 14% more L1 cache; more data can be stored in the L1 cache for quick access later
Around 14% more L2 cache; more data can be stored in the L2 cache for quick access later
Around 1% better performance in PassMark - CPU mark: 93306 vs 92138

Specifications (specs)
Number of cores	32 vs 28
Number of threads	64 vs 56
L1 cache	80K (per core) vs 80K (per core)
L2 cache	2MB (per core) vs 2MB (per core)
Benchmarks
PassMark - Single thread mark	3273 vs 3268
PassMark - CPU mark	93306 vs 92138

Reasons to consider the Intel Xeon Gold 5420+

Around 2% higher clock speed: 4.10 GHz vs 4 GHz
A newer manufacturing process allows for a more powerful, yet cooler running processor: 7 nm vs 10 nm
917504x more L3 cache, more data can be stored in the L3 cache for quick access later

Maximum frequency	4.10 GHz vs 4 GHz
Manufacturing process technology	7 nm vs 10 nm
L3 cache	52.5 MB (shared) vs 60MB

Compare benchmarks

CPU 1: Intel Xeon Gold 6438Y+
CPU 2: Intel Xeon Gold 5420+

PassMark - Single thread mark

CPU 1

CPU 2

3273

3268

PassMark - CPU mark

CPU 1

CPU 2

93306

92138

Name	Intel Xeon Gold 6438Y+	Intel Xeon Gold 5420+
PassMark - Single thread mark	3273	3268
PassMark - CPU mark	93306	92138

Compare specifications (specs)

	Intel Xeon Gold 6438Y+	Intel Xeon Gold 5420+
Essentials
Launch date	10 Jan 2023	10 Jan 2023
Launch price (MSRP)	$3141	$1848
Place in performance rating	25	28
Architecture codename		Sapphire Rapids
Processor Number		5420+
Series		4th Generation Intel Xeon Scalable Processors
Vertical segment		Server
Performance
Base frequency	2000 MHz	2.00 GHz
L1 cache	80K (per core)	80K (per core)
L2 cache	2MB (per core)	2MB (per core)
L3 cache	60MB	52.5 MB (shared)
Manufacturing process technology	10 nm	7 nm
Maximum case temperature (TCase)	85°C
Maximum frequency	4 GHz	4.10 GHz
Number of cores	32	28
Number of threads	64	56
Unlocked
Maximum core temperature		84
Memory
ECC memory support
Supported memory types	DDR5-4800 MHz, Eight-channel	Up to DDR5 4400 MT/s 1DPC and 2DPC
Max memory channels		8
Maximum memory size		4 TB
Compatibility
Max number of CPUs in a configuration	2
Sockets supported	4677	FCLGA4677
Thermal Design Power (TDP)	205 Watt	205 Watt
Package Size		77.5mm x 56.5mm
Peripherals
PCIe configurations	Gen 5, 80 Lanes, (CPU only)
Max number of PCIe lanes		80
PCI Express revision		5
Scalability		2S
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
Advanced Technologies
Instruction set extensions		Intel AMX, 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
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)