Intel Xeon Gold 6338 vs Intel Xeon Platinum 8268

Comparative analysis of Intel Xeon Gold 6338 and Intel Xeon Platinum 8268 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 6338

Intel Xeon Platinum 8268

Differences

Reasons to consider the Intel Xeon Gold 6338

8 more cores, run more applications at once: 32 vs 24
16 more threads: 64 vs 48
A newer manufacturing process allows for a more powerful, yet cooler running processor: 10 nm vs 14 nm
Around 34% more L3 cache; more data can be stored in the L3 cache for quick access later
6x more maximum memory size: 6 TB vs 1 TB
Around 10% better performance in PassMark - CPU mark: 68563 vs 62130

Specifications (specs)
Number of cores	32 vs 24
Number of threads	64 vs 48
Manufacturing process technology	10 nm vs 14 nm
L3 cache	48 MB vs 35.75 MB
Maximum memory size	6 TB vs 1 TB
Benchmarks
PassMark - CPU mark	68563 vs 62130

Reasons to consider the Intel Xeon Platinum 8268

Around 22% higher clock speed: 3.90 GHz vs 3.20 GHz
Around 4% higher maximum core temperature: 84°C vs 81°C
Around 7% better performance in PassMark - Single thread mark: 2347 vs 2185

Specifications (specs)
Maximum frequency	3.90 GHz vs 3.20 GHz
Maximum core temperature	84°C vs 81°C
Benchmarks
PassMark - Single thread mark	2347 vs 2185

Compare benchmarks

CPU 1: Intel Xeon Gold 6338
CPU 2: Intel Xeon Platinum 8268

PassMark - Single thread mark

CPU 1

CPU 2

2185

2347

PassMark - CPU mark

CPU 1

CPU 2

68563

62130

Name	Intel Xeon Gold 6338	Intel Xeon Platinum 8268
PassMark - Single thread mark	2185	2347
PassMark - CPU mark	68563	62130

Compare specifications (specs)

	Intel Xeon Gold 6338	Intel Xeon Platinum 8268
Essentials
Architecture codename	Ice Lake	Cascade Lake
Launch date	Q2'21	2 Apr 2019
Launch price (MSRP)	$2990	$6302
Place in performance rating	310	325
Processor Number	6338	8268
Series	3rd Generation Intel Xeon Scalable Processors	2nd Generation Intel Xeon Scalable Processors
Vertical segment	Server	Server
Status		Launched
Performance
Base frequency	2.00 GHz	2.90 GHz
L3 cache	48 MB	35.75 MB
Manufacturing process technology	10 nm	14 nm
Maximum core temperature	81°C	84°C
Maximum frequency	3.20 GHz	3.90 GHz
Number of cores	32	24
Number of threads	64	48
L1 cache		1.5 MB
L2 cache		24 MB
Number of Ultra Path Interconnect (UPI) Links		3
Memory
Max memory channels	8	6
Maximum memory size	6 TB	1 TB
Supported memory frequency	3200 MHz	2933 MHz
Supported memory types	DDR4-3200	DDR4-2933
ECC memory support
Maximum memory bandwidth		131.13 GB/s
Compatibility
Package Size	77.5mm x 56.5mm	76.0mm x 56.5mm
Sockets supported	FCLGA4189	FCLGA3647
Thermal Design Power (TDP)	205 Watt	205 Watt
Max number of CPUs in a configuration		8
Peripherals
Max number of PCIe lanes	64	48
PCI Express revision	4.0	3.0
Scalability	2S	S8S
PCIe configurations		1x16, x8, x4
Security & Reliability
Execute Disable Bit (EDB)
Intel® Run Sure Technology
Intel® Software Guard Extensions (Intel® SGX)
Intel® Trusted Execution technology (TXT)
Mode-based Execute Control (MBE)
Advanced Technologies
Instruction set extensions	Intel SSE4.2, Intel AVX, Intel AVX2, Intel AVX-512	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	2
Speed Shift technology
Enhanced Intel SpeedStep® technology
Intel® TSX-NI
Intel® vPro™ Platform Eligibility
Virtualization
Intel® Virtualization Technology (VT-x)
Intel® Virtualization Technology for Directed I/O (VT-d)
Intel® VT-x with Extended Page Tables (EPT)