Intel Xeon Gold 6438N vs Intel Xeon Gold 6338N

Comparative analysis of Intel Xeon Gold 6438N and Intel Xeon Gold 6338N 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 6438N

Intel Xeon Gold 6338N

Differences

Reasons to consider the Intel Xeon Gold 6438N

CPU is newer: launch date 1 year(s) 9 month(s) later
Around 3% higher clock speed: 3.6 GHz vs 3.50 GHz
Around 25% more L1 cache; more data can be stored in the L1 cache for quick access later
Around 18% better performance in PassMark - Single thread mark: 2315 vs 1955

Specifications (specs)
Launch date	10 Jan 2023 vs 6 Apr 2021
Maximum frequency	3.6 GHz vs 3.50 GHz
L1 cache	80K (per core) vs 2 MB
Benchmarks
PassMark - Single thread mark	2315 vs 1955

Reasons to consider the Intel Xeon Gold 6338N

524288x more L2 cache, more data can be stored in the L2 cache for quick access later
838860.8x more L3 cache, more data can be stored in the L3 cache for quick access later
Around 11% lower typical power consumption: 185 Watt vs 205 Watt
Around 25% better performance in PassMark - CPU mark: 65860 vs 52789

Specifications (specs)
L2 cache	32 MB vs 2MB (per core)
L3 cache	48 MB vs 60MB
Thermal Design Power (TDP)	185 Watt vs 205 Watt
Benchmarks
PassMark - CPU mark	65860 vs 52789

Compare benchmarks

CPU 1: Intel Xeon Gold 6438N
CPU 2: Intel Xeon Gold 6338N

PassMark - Single thread mark

CPU 1

CPU 2

2315

1955

PassMark - CPU mark

CPU 1

CPU 2

52789

65860

Name	Intel Xeon Gold 6438N	Intel Xeon Gold 6338N
PassMark - Single thread mark	2315	1955
PassMark - CPU mark	52789	65860

Compare specifications (specs)

	Intel Xeon Gold 6438N	Intel Xeon Gold 6338N
Essentials
Launch date	10 Jan 2023	6 Apr 2021
Launch price (MSRP)	$3351	$3200
Place in performance rating	432	415
Architecture codename		Ice Lake
Processor Number		6338N
Series		3rd Generation Intel Xeon Scalable Processors
Vertical segment		Server
Performance
Base frequency	2000 MHz	2.20 GHz
L1 cache	80K (per core)	2 MB
L2 cache	2MB (per core)	32 MB
L3 cache	60MB	48 MB
Manufacturing process technology	10 nm	10 nm
Maximum case temperature (TCase)	85°C
Maximum frequency	3.6 GHz	3.50 GHz
Number of cores	32	32
Number of threads	64	64
Unlocked
Maximum core temperature		83°C
Memory
ECC memory support
Supported memory types	DDR5-4800 MHz, Eight-channel	DDR4-2667
Max memory channels		8
Maximum memory size		6 TB
Supported memory frequency		2667 MHz
Compatibility
Max number of CPUs in a configuration	2
Sockets supported	4677	FCLGA4189
Thermal Design Power (TDP)	205 Watt	185 Watt
Package Size		77.5mm x 56.5mm
Peripherals
PCIe configurations	Gen 5, 80 Lanes, (CPU only)
Max number of PCIe lanes		64
PCI Express revision		4.0
Scalability		2S
Security & Reliability
Execute Disable Bit (EDB)
Intel® Run Sure Technology
Intel® Software Guard Extensions (Intel® SGX)
Intel® Trusted Execution technology (TXT)
Advanced Technologies
Instruction set extensions		Intel SSE4.2, Intel AVX, Intel AVX2, Intel AVX-512
Intel 64
Intel® AES New Instructions
Intel® Hyper-Threading technology
Intel® Turbo Boost technology
Intel® Volume Management Device (VMD)
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)