Intel Xeon Gold 6346 vs Intel Xeon Platinum 8280

Comparative analysis of Intel Xeon Gold 6346 and Intel Xeon Platinum 8280 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 6346

Intel Xeon Platinum 8280

Differences

Reasons to consider the Intel Xeon Gold 6346

CPU is newer: launch date 2 year(s) 0 month(s) later
A newer manufacturing process allows for a more powerful, yet cooler running processor: 10 nm vs 14 nm
6x more maximum memory size: 6 TB vs 1 TB
Around 9% better performance in PassMark - Single thread mark: 2469 vs 2257

Specifications (specs)
Launch date	6 Apr 2021 vs 2 Apr 2019
Manufacturing process technology	10 nm vs 14 nm
Maximum memory size	6 TB vs 1 TB
Benchmarks
PassMark - Single thread mark	2469 vs 2257

Reasons to consider the Intel Xeon Platinum 8280

12 more cores, run more applications at once: 28 vs 16
24 more threads: 56 vs 32
Around 11% higher clock speed: 4.00 GHz vs 3.60 GHz
Around 8% higher maximum core temperature: 84°C vs 78°C
Around 75% more L1 cache; more data can be stored in the L1 cache for quick access later
Around 75% more L2 cache; more data can be stored in the L2 cache for quick access later
Around 7% more L3 cache; more data can be stored in the L3 cache for quick access later
Around 15% better performance in PassMark - CPU mark: 63867 vs 55571

Specifications (specs)
Number of cores	28 vs 16
Number of threads	56 vs 32
Maximum frequency	4.00 GHz vs 3.60 GHz
Maximum core temperature	84°C vs 78°C
L1 cache	1.75 MB vs 1 MB
L2 cache	28 MB vs 16 MB
L3 cache	38.5 MB vs 36 MB
Benchmarks
PassMark - CPU mark	63867 vs 55571

Compare benchmarks

CPU 1: Intel Xeon Gold 6346
CPU 2: Intel Xeon Platinum 8280

PassMark - Single thread mark

CPU 1

CPU 2

2469

2257

PassMark - CPU mark

CPU 1

CPU 2

55571

63867

Name	Intel Xeon Gold 6346	Intel Xeon Platinum 8280
PassMark - Single thread mark	2469	2257
PassMark - CPU mark	55571	63867

Compare specifications (specs)

	Intel Xeon Gold 6346	Intel Xeon Platinum 8280
Essentials
Architecture codename	Ice Lake	Cascade Lake
Launch date	6 Apr 2021	2 Apr 2019
Launch price (MSRP)	$2708	$10009
Place in performance rating	399	394
Processor Number	6346	8280
Series	3rd Generation Intel Xeon Scalable Processors	2nd Generation Intel Xeon Scalable Processors
Vertical segment	Server	Server
Status		Launched
Performance
Base frequency	3.10 GHz	2.70 GHz
L1 cache	1 MB	1.75 MB
L2 cache	16 MB	28 MB
L3 cache	36 MB	38.5 MB
Manufacturing process technology	10 nm	14 nm
Maximum core temperature	78°C	84°C
Maximum frequency	3.60 GHz	4.00 GHz
Number of cores	16	28
Number of threads	32	56
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
Peripherals
Max number of PCIe lanes	64	48
PCI Express revision	4.0	3.0
Scalability	2S	S8S
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
Virtualization
Intel® Virtualization Technology (VT-x)
Intel® Virtualization Technology for Directed I/O (VT-d)
Intel® VT-x with Extended Page Tables (EPT)