Intel Xeon Gold 6438N vs Intel Xeon Gold 6238R

Comparative analysis of Intel Xeon Gold 6438N and Intel Xeon Gold 6238R 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 6238R

Differences

Reasons to consider the Intel Xeon Gold 6438N

4 more cores, run more applications at once: 32 vs 28
8 more threads: 64 vs 56
A newer manufacturing process allows for a more powerful, yet cooler running processor: 10 nm vs 14 nm
Around 8% better performance in PassMark - Single thread mark: 2315 vs 2152

Specifications (specs)
Number of cores	32 vs 28
Number of threads	64 vs 56
Manufacturing process technology	10 nm vs 14 nm
Benchmarks
PassMark - Single thread mark	2315 vs 2152

Reasons to consider the Intel Xeon Gold 6238R

Around 11% higher clock speed: 4.00 GHz vs 3.6 GHz
672836.3x more L3 cache, more data can be stored in the L3 cache for quick access later
Around 24% lower typical power consumption: 165 Watt vs 205 Watt
Around 8% better performance in PassMark - CPU mark: 57049 vs 52789

Specifications (specs)
Maximum frequency	4.00 GHz vs 3.6 GHz
L3 cache	38.5 MB vs 60MB
Thermal Design Power (TDP)	165 Watt vs 205 Watt
Benchmarks
PassMark - CPU mark	57049 vs 52789

Compare benchmarks

CPU 1: Intel Xeon Gold 6438N
CPU 2: Intel Xeon Gold 6238R

PassMark - Single thread mark

CPU 1

CPU 2

2315

2152

PassMark - CPU mark

CPU 1

CPU 2

52789

57049

Name	Intel Xeon Gold 6438N	Intel Xeon Gold 6238R
PassMark - Single thread mark	2315	2152
PassMark - CPU mark	52789	57049

Compare specifications (specs)

	Intel Xeon Gold 6438N	Intel Xeon Gold 6238R
Essentials
Launch date	10 Jan 2023	Q1'20
Launch price (MSRP)	$3351	$2995
Place in performance rating	436	447
Architecture codename		Cascade Lake
Processor Number		6238R
Series		2nd Generation Intel Xeon Scalable Processors
Vertical segment		Server
Performance
Base frequency	2000 MHz	2.20 GHz
L1 cache	80K (per core)
L2 cache	2MB (per core)
L3 cache	60MB	38.5 MB
Manufacturing process technology	10 nm	14 nm
Maximum case temperature (TCase)	85°C
Maximum frequency	3.6 GHz	4.00 GHz
Number of cores	32	28
Number of threads	64	56
Unlocked
Maximum core temperature		89°C
Memory
ECC memory support
Supported memory types	DDR5-4800 MHz, Eight-channel	DDR4-2933
Max memory channels		6
Maximum memory size		1 TB
Supported memory frequency		2933 MHz
Compatibility
Max number of CPUs in a configuration	2
Sockets supported	4677	FCLGA3647
Thermal Design Power (TDP)	205 Watt	165 Watt
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		2S
Security & Reliability
Execute Disable Bit (EDB)
Intel® Run Sure Technology
Intel® Trusted Execution technology (TXT)
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® 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)