Intel Xeon Gold 6438Y+ vs Intel Xeon Gold 6146

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

Intel Xeon Gold 6146

Differences

Reasons to consider the Intel Xeon Gold 6438Y+

20 more cores, run more applications at once: 32 vs 12
40 more threads: 64 vs 24
A newer manufacturing process allows for a more powerful, yet cooler running processor: 10 nm vs 14 nm
Around 39% better performance in PassMark - Single thread mark: 3279 vs 2358
2.5x better performance in PassMark - CPU mark: 94596 vs 38586

Specifications (specs)
Number of cores	32 vs 12
Number of threads	64 vs 24
Manufacturing process technology	10 nm vs 14 nm
Benchmarks
PassMark - Single thread mark	3279 vs 2358
PassMark - CPU mark	94596 vs 38586

Reasons to consider the Intel Xeon Gold 6146

Around 5% higher clock speed: 4.20 GHz vs 4 GHz
Around 24% lower typical power consumption: 165 Watt vs 205 Watt

Maximum frequency	4.20 GHz vs 4 GHz
Thermal Design Power (TDP)	165 Watt vs 205 Watt

Compare benchmarks

CPU 1: Intel Xeon Gold 6438Y+
CPU 2: Intel Xeon Gold 6146

PassMark - Single thread mark

CPU 1

CPU 2

3279

2358

PassMark - CPU mark

CPU 1

CPU 2

94596

38586

Name	Intel Xeon Gold 6438Y+	Intel Xeon Gold 6146
PassMark - Single thread mark	3279	2358
PassMark - CPU mark	94596	38586
Geekbench 4 - Single Core		4964
Geekbench 4 - Multi-Core		35971

Compare specifications (specs)

	Intel Xeon Gold 6438Y+	Intel Xeon Gold 6146
Essentials
Launch date	10 Jan 2023	Q3'17
Launch price (MSRP)	$3141
Place in performance rating	41	29
Architecture codename		Skylake
Processor Number		6146
Series		Intel® Xeon® Scalable Processors
Status		Launched
Vertical segment		Server
Performance
Base frequency	2000 MHz	3.20 GHz
L1 cache	80K (per core)
L2 cache	2MB (per core)
L3 cache	60MB
Manufacturing process technology	10 nm	14 nm
Maximum case temperature (TCase)	85°C
Maximum frequency	4 GHz	4.20 GHz
Number of cores	32	12
Number of threads	64	24
Unlocked
Maximum core temperature		76°C
Number of Ultra Path Interconnect (UPI) Links		3
Memory
ECC memory support
Supported memory types	DDR5-4800 MHz, Eight-channel	DDR4-2666
Max memory channels		6
Maximum memory size		768 GB
Supported memory frequency		2666 MHz
Compatibility
Max number of CPUs in a configuration	2
Sockets supported	4677	FCLGA3647
Thermal Design Power (TDP)	205 Watt	165 Watt
Low Halogen Options Available
Package Size		76.0mm x 56.5mm
Peripherals
PCIe configurations	Gen 5, 80 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)