AMD EPYC 7643 vs Intel Xeon Gold 6248R

Comparative analysis of AMD EPYC 7643 and Intel Xeon Gold 6248R processors for all known characteristics in the following categories: Essentials, Performance, Memory, Compatibility, Peripherals, Advanced Technologies, Virtualization, Security & Reliability. Benchmark processor performance analysis: PassMark - Single thread mark, PassMark - CPU mark.

AMD EPYC 7643

Intel Xeon Gold 6248R

Differences

Reasons to consider the AMD EPYC 7643

CPU is newer: launch date 1 year(s) 0 month(s) later
24 more cores, run more applications at once: 48 vs 24
48 more threads: 96 vs 48
A newer manufacturing process allows for a more powerful, yet cooler running processor: 7 nm+ vs 14 nm
2x more L1 cache, more data can be stored in the L1 cache for quick access later
7.2x more L3 cache, more data can be stored in the L3 cache for quick access later
4x more maximum memory size: 4 TB vs 1 TB
Around 51% better performance in PassMark - CPU mark: 91554 vs 60619

Specifications (specs)
Launch date	15 Mar 2021 vs 24 Feb 2020
Number of cores	48 vs 24
Number of threads	96 vs 48
Manufacturing process technology	7 nm+ vs 14 nm
L1 cache	3 MB vs 1.5 MB
L3 cache	256 MB vs 35.75 MB
Maximum memory size	4 TB vs 1 TB
Benchmarks
PassMark - CPU mark	91554 vs 60619

Reasons to consider the Intel Xeon Gold 6248R

Around 11% higher clock speed: 4.00 GHz vs 3.6 GHz
Around 17% lower typical power consumption: 205 Watt vs 240 Watt
Around 15% better performance in PassMark - Single thread mark: 2322 vs 2020

Specifications (specs)
Maximum frequency	4.00 GHz vs 3.6 GHz
Thermal Design Power (TDP)	205 Watt vs 240 Watt
Benchmarks
PassMark - Single thread mark	2322 vs 2020

Compare benchmarks

CPU 1: AMD EPYC 7643
CPU 2: Intel Xeon Gold 6248R

PassMark - Single thread mark

CPU 1

CPU 2

2020

2322

PassMark - CPU mark

CPU 1

CPU 2

91554

60619

Name	AMD EPYC 7643	Intel Xeon Gold 6248R
PassMark - Single thread mark	2020	2322
PassMark - CPU mark	91554	60619

Compare specifications (specs)

	AMD EPYC 7643	Intel Xeon Gold 6248R
Essentials
Architecture codename	Zen 3	Cascade Lake
Launch date	15 Mar 2021	24 Feb 2020
Launch price (MSRP)	$4995	$2700
OPN PIB	100-100000326WOF
OPN Tray	100-000000326
Place in performance rating	238	406
Vertical segment	Server	Server
Processor Number		6248R
Series		2nd Generation Intel Xeon Scalable Processors
Status		Launched
Performance
Base frequency	2.3 GHz	3.00 GHz
L1 cache	3 MB	1.5 MB
L2 cache	24 MB	24 MB
L3 cache	256 MB	35.75 MB
Manufacturing process technology	7 nm+	14 nm
Maximum frequency	3.6 GHz	4.00 GHz
Number of cores	48	24
Number of threads	96	48
Unlocked
Maximum core temperature		75°C
Number of Ultra Path Interconnect (UPI) Links		2
Memory
ECC memory support
Max memory channels	8	6
Maximum memory bandwidth	190.73 GB/s
Maximum memory size	4 TB	1 TB
Supported memory types	DDR4-3200	DDR4-2933
Supported memory frequency		2933 MHz
Compatibility
Configurable TDP	225-240 Watt
Socket Count	1P/2P
Sockets supported	SP3	FCLGA3647
Thermal Design Power (TDP)	240 Watt	205 Watt
Package Size		76.0mm x 56.5mm
Peripherals
Max number of PCIe lanes	128	48
PCI Express revision	4.0	3.0
Scalability		2S
Advanced Technologies
AMD SenseMI
Fused Multiply-Add 3 (FMA3)
Intel® Advanced Vector Extensions (AVX)
Intel® Advanced Vector Extensions 2 (AVX2)
Intel® AES New Instructions
Enhanced Intel SpeedStep® technology
Instruction set extensions		Intel SSE4.2, Intel AVX, Intel AVX2, Intel AVX-512
Intel 64
Intel® Hyper-Threading technology
Intel® Turbo Boost technology
Intel® Volume Management Device (VMD)
Intel® vPro™ Platform Eligibility
Number of AVX-512 FMA Units		2
Speed Shift technology
Virtualization
AMD Virtualization (AMD-V™)
Intel® Virtualization Technology (VT-x)
Intel® Virtualization Technology for Directed I/O (VT-d)
Intel® VT-x with Extended Page Tables (EPT)
Security & Reliability
Execute Disable Bit (EDB)
Intel® Run Sure Technology
Intel® Trusted Execution technology (TXT)
Mode-based Execute Control (MBE)