AMD EPYC 7643 vs Intel Xeon E5-2696 v2

Comparative analysis of AMD EPYC 7643 and Intel Xeon E5-2696 v2 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, CompuBench 1.5 Desktop - Face Detection (mPixels/s), CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s), CompuBench 1.5 Desktop - T-Rex (Frames/s), CompuBench 1.5 Desktop - Video Composition (Frames/s), CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s).

AMD EPYC 7643

Intel Xeon E5-2696 v2

Differences

Reasons to consider the AMD EPYC 7643

36 more cores, run more applications at once: 48 vs 12
72 more threads: 96 vs 24
A newer manufacturing process allows for a more powerful, yet cooler running processor: 7 nm+ vs 22 nm
4x more L1 cache, more data can be stored in the L1 cache for quick access later
8x more L2 cache, more data can be stored in the L2 cache for quick access later
8.5x more L3 cache, more data can be stored in the L3 cache for quick access later
5461.3x more maximum memory size: 4 TB vs 768 GB (per socket)

Number of cores	48 vs 12
Number of threads	96 vs 24
Manufacturing process technology	7 nm+ vs 22 nm
L1 cache	3 MB vs 768 KB
L2 cache	24 MB vs 3 MB
L3 cache	256 MB vs 30 MB
Maximum memory size	4 TB vs 768 GB (per socket)

Reasons to consider the Intel Xeon E5-2696 v2

Around 91567% higher clock speed: 3300 MHz vs 3.6 GHz

Maximum frequency	3300 MHz vs 3.6 GHz

Compare benchmarks

CPU 1: AMD EPYC 7643
CPU 2: Intel Xeon E5-2696 v2

Name	AMD EPYC 7643	Intel Xeon E5-2696 v2
PassMark - Single thread mark	1915
PassMark - CPU mark	88348
CompuBench 1.5 Desktop - Face Detection (mPixels/s)		56.68
CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s)		312.635
CompuBench 1.5 Desktop - T-Rex (Frames/s)		3.097
CompuBench 1.5 Desktop - Video Composition (Frames/s)		16.335
CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s)		84.763

Compare specifications (specs)

	AMD EPYC 7643	Intel Xeon E5-2696 v2
Essentials
Architecture codename	Zen 3	Ivy Bridge-EP
Launch date	15 Mar 2021
Launch price (MSRP)	$4995
OPN PIB	100-100000326WOF
OPN Tray	100-000000326
Place in performance rating	223	221
Vertical segment	Server	Server
Family		Intel Xeon E5-2600 v2
Processor Number		E5-2696 v2
Performance
Base frequency	2.3 GHz	2500 MHz
L1 cache	3 MB	768 KB
L2 cache	24 MB	3 MB
L3 cache	256 MB	30 MB
Manufacturing process technology	7 nm+	22 nm
Maximum frequency	3.6 GHz	3300 MHz
Number of cores	48	12
Number of threads	96	24
Unlocked
64 bit support
Bus Speed		5 GT/s DMI
Memory
ECC memory support
Max memory channels	8	4
Maximum memory bandwidth	190.73 GB/s
Maximum memory size	4 TB	768 GB (per socket)
Supported memory types	DDR4-3200	DDR3
Compatibility
Configurable TDP	225-240 Watt
Socket Count	1P/2P
Sockets supported	SP3	LGA2011
Thermal Design Power (TDP)	240 Watt
Max number of CPUs in a configuration		2
Peripherals
Max number of PCIe lanes	128
PCI Express revision	4.0	3.0
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
Intel® Hyper-Threading technology
Intel® TSX-NI
Virtualization
AMD Virtualization (AMD-V™)
Intel® Virtualization Technology (VT-x)
Intel® Virtualization Technology for Directed I/O (VT-d)
Security & Reliability
Execute Disable Bit (EDB)
Intel® Trusted Execution technology (TXT)