Intel Xeon Gold 6438Y+ vs Intel Xeon Gold 6442Y

Comparative analysis of Intel Xeon Gold 6438Y+ and Intel Xeon Gold 6442Y 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 6442Y

Differences

Reasons to consider the Intel Xeon Gold 6438Y+

8 more cores, run more applications at once: 32 vs 24
16 more threads: 64 vs 48
Around 33% more L1 cache; more data can be stored in the L1 cache for quick access later
Around 33% more L2 cache; more data can be stored in the L2 cache for quick access later
Around 10% lower typical power consumption: 205 Watt vs 225 Watt
Around 4% better performance in PassMark - Single thread mark: 3279 vs 3142
Around 2% better performance in PassMark - CPU mark: 94596 vs 92289

Specifications (specs)
Number of cores	32 vs 24
Number of threads	64 vs 48
L1 cache	80K (per core) vs 80K (per core)
L2 cache	2MB (per core) vs 2MB (per core)
Thermal Design Power (TDP)	205 Watt vs 225 Watt
Benchmarks
PassMark - Single thread mark	3279 vs 3142
PassMark - CPU mark	94596 vs 92289

Reasons to consider the Intel Xeon Gold 6442Y

A newer manufacturing process allows for a more powerful, yet cooler running processor: 7 nm vs 10 nm
1048576x more L3 cache, more data can be stored in the L3 cache for quick access later

Manufacturing process technology	7 nm vs 10 nm
L3 cache	60 MB vs 60MB

Compare benchmarks

CPU 1: Intel Xeon Gold 6438Y+
CPU 2: Intel Xeon Gold 6442Y

PassMark - Single thread mark

CPU 1

CPU 2

3279

3142

PassMark - CPU mark

CPU 1

CPU 2

94596

92289

Name	Intel Xeon Gold 6438Y+	Intel Xeon Gold 6442Y
PassMark - Single thread mark	3279	3142
PassMark - CPU mark	94596	92289

Compare specifications (specs)

	Intel Xeon Gold 6438Y+	Intel Xeon Gold 6442Y
Essentials
Launch date	10 Jan 2023	10 Jan 2023
Launch price (MSRP)	$3141	$2878
Place in performance rating	51	67
Architecture codename		Sapphire Rapids
Processor Number		6442Y
Series		4th Generation Intel Xeon Scalable Processors
Vertical segment		Server
Performance
Base frequency	2000 MHz	2.60 GHz
L1 cache	80K (per core)	80K (per core)
L2 cache	2MB (per core)	2MB (per core)
L3 cache	60MB	60 MB
Manufacturing process technology	10 nm	7 nm
Maximum case temperature (TCase)	85°C
Maximum frequency	4 GHz	4.00 GHz
Number of cores	32	24
Number of threads	64	48
Unlocked
Maximum core temperature		79
Memory
ECC memory support
Supported memory types	DDR5-4800 MHz, Eight-channel	Up to DDR5 4800 MT/s 1DPC, Up to DDR5 4400 MT/s 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	225 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)