Intel Xeon Gold 6342 vs AMD EPYC 7643

Comparative analysis of Intel Xeon Gold 6342 and AMD EPYC 7643 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 6342

AMD EPYC 7643

Differences

Reasons to consider the Intel Xeon Gold 6342

Around 50% higher maximum memory size: 6 TB vs 4 TB
Around 4% lower typical power consumption: 230 Watt vs 240 Watt
Around 22% better performance in PassMark - Single thread mark: 2344 vs 1915

Specifications (specs)
Maximum memory size	6 TB vs 4 TB
Thermal Design Power (TDP)	230 Watt vs 240 Watt
Benchmarks
PassMark - Single thread mark	2344 vs 1915

Reasons to consider the AMD EPYC 7643

24 more cores, run more applications at once: 48 vs 24
48 more threads: 96 vs 48
Around 3% higher clock speed: 3.6 GHz vs 3.50 GHz
A newer manufacturing process allows for a more powerful, yet cooler running processor: 7 nm+ vs 10 nm
2x more L1 cache, more data can be stored in the L1 cache for quick access later
7.1x more L3 cache, more data can be stored in the L3 cache for quick access later
Around 21% better performance in PassMark - CPU mark: 88348 vs 72919

Specifications (specs)
Number of cores	48 vs 24
Number of threads	96 vs 48
Maximum frequency	3.6 GHz vs 3.50 GHz
Manufacturing process technology	7 nm+ vs 10 nm
L1 cache	3 MB vs 1.5 MB
L3 cache	256 MB vs 36 MB
Benchmarks
PassMark - CPU mark	88348 vs 72919

Compare benchmarks

CPU 1: Intel Xeon Gold 6342
CPU 2: AMD EPYC 7643

PassMark - Single thread mark

CPU 1

CPU 2

2344

1915

PassMark - CPU mark

CPU 1

CPU 2

72919

88348

Name	Intel Xeon Gold 6342	AMD EPYC 7643
PassMark - Single thread mark	2344	1915
PassMark - CPU mark	72919	88348

Compare specifications (specs)

	Intel Xeon Gold 6342	AMD EPYC 7643
Essentials
Architecture codename	Ice Lake	Zen 3
Launch date	6 Apr 2021	15 Mar 2021
Launch price (MSRP)	$2529	$4995
Place in performance rating	231	224
Processor Number	6342
Series	3rd Generation Intel Xeon Scalable Processors
Status	Launched
Vertical segment	Server	Server
OPN PIB		100-100000326WOF
OPN Tray		100-000000326
Performance
Base frequency	2.80 GHz	2.3 GHz
L1 cache	1.5 MB	3 MB
L2 cache	24 MB	24 MB
L3 cache	36 MB	256 MB
Manufacturing process technology	10 nm	7 nm+
Maximum core temperature	81°C
Maximum frequency	3.50 GHz	3.6 GHz
Number of cores	24	48
Number of threads	48	96
Number of Ultra Path Interconnect (UPI) Links	3
Unlocked
Memory
Max memory channels	8	8
Maximum memory size	6 TB	4 TB
Supported memory frequency	3200 MHz
Supported memory types	DDR4-3200	DDR4-3200
ECC memory support
Maximum memory bandwidth		190.73 GB/s
Compatibility
Package Size	77.5mm x 56.5mm
Sockets supported	FCLGA4189	SP3
Thermal Design Power (TDP)	230 Watt	240 Watt
Configurable TDP		225-240 Watt
Socket Count		1P/2P
Peripherals
Max number of PCIe lanes	64	128
PCI Express revision	4.0	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)
Mode-based Execute Control (MBE)
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
AMD SenseMI
Fused Multiply-Add 3 (FMA3)
Intel® Advanced Vector Extensions (AVX)
Intel® Advanced Vector Extensions 2 (AVX2)
Virtualization
Intel® Virtualization Technology (VT-x)
Intel® Virtualization Technology for Directed I/O (VT-d)
Intel® VT-x with Extended Page Tables (EPT)
AMD Virtualization (AMD-V™)