Intel Xeon W-3365 vs Intel Xeon E5-2643 v4

Comparative analysis of Intel Xeon W-3365 and Intel Xeon E5-2643 v4 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, Geekbench 4 - Single Core, Geekbench 4 - Multi-Core.

Intel Xeon W-3365

Intel Xeon E5-2643 v4

Differences

Reasons to consider the Intel Xeon W-3365

26 more cores, run more applications at once: 32 vs 6
52 more threads: 64 vs 12
Around 8% higher clock speed: 4.00 GHz vs 3.70 GHz
Around 3% higher maximum core temperature: 77°C vs 75°C
A newer manufacturing process allows for a more powerful, yet cooler running processor: 10 nm vs 14 nm
2.7x more maximum memory size: 4 TB vs 1.5 TB
Around 15% better performance in PassMark - Single thread mark: 2625 vs 2277
3x better performance in PassMark - CPU mark: 59038 vs 19937

Specifications (specs)
Number of cores	32 vs 6
Number of threads	64 vs 12
Maximum frequency	4.00 GHz vs 3.70 GHz
Maximum core temperature	77°C vs 75°C
Manufacturing process technology	10 nm vs 14 nm
Maximum memory size	4 TB vs 1.5 TB
Benchmarks
PassMark - Single thread mark	2625 vs 2277
PassMark - CPU mark	59038 vs 19937

Reasons to consider the Intel Xeon E5-2643 v4

2x lower typical power consumption: 135 Watt vs 270 Watt

Thermal Design Power (TDP)	135 Watt vs 270 Watt

Compare benchmarks

CPU 1: Intel Xeon W-3365
CPU 2: Intel Xeon E5-2643 v4

PassMark - Single thread mark

CPU 1

CPU 2

2625

2277

PassMark - CPU mark

CPU 1

CPU 2

59038

19937

Name	Intel Xeon W-3365	Intel Xeon E5-2643 v4
PassMark - Single thread mark	2625	2277
PassMark - CPU mark	59038	19937
Geekbench 4 - Single Core		3707
Geekbench 4 - Multi-Core		19860

Compare specifications (specs)

	Intel Xeon W-3365	Intel Xeon E5-2643 v4
Essentials
Architecture codename	Ice Lake	Broadwell
Launch date	29 Jul 2021	Q1'16
Launch price (MSRP)	$3851
Place in performance rating	261	262
Processor Number	W-3365	E5-2643V4
Series	Intel Xeon W Processor	Intel® Xeon® Processor E5 v4 Family
Vertical segment	Workstation	Server
Status		Launched
Performance
Base frequency	2.70 GHz	3.40 GHz
Bus Speed	8 GT/s	9.6 GT/s QPI
L1 cache	2 MB
L2 cache	32 MB
L3 cache	48 MB
Manufacturing process technology	10 nm	14 nm
Maximum core temperature	77°C	75°C
Maximum frequency	4.00 GHz	3.70 GHz
Number of cores	32	6
Number of threads	64	12
64 bit support
Number of QPI Links		2
VID voltage range		0
Memory
Max memory channels	8	4
Maximum memory size	4 TB	1.5 TB
Supported memory frequency	3200 MHz
Supported memory types	DDR4-3200	DDR4 1600/1866/2133/2400
Maximum memory bandwidth		76.8 GB/s
Compatibility
Package Size	77.5mm x 56.5mm	45mm x 52.5mm
Sockets supported	FCLGA4189	FCLGA2011-3
Thermal Design Power (TDP)	270 Watt	135 Watt
Low Halogen Options Available
Max number of CPUs in a configuration		2
Peripherals
Max number of PCIe lanes	64	40
PCI Express revision	4	3.0
Scalability	1S Only	2S
PCIe configurations		x4, x8, x16
Security & Reliability
Execute Disable Bit (EDB)
Intel® Software Guard Extensions (Intel® SGX)
Intel® Trusted Execution technology (TXT)
Intel® Identity Protection technology
Intel® OS Guard
Intel® Secure Key technology
Advanced Technologies
Enhanced Intel SpeedStep® technology
Instruction set extensions	Intel AVX-512	Intel® AVX2
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
Idle States
Intel® Demand Based Switching
Intel® Flex Memory Access
Intel® TSX-NI
Intel® vPro™ Platform Eligibility
Physical Address Extensions (PAE)		46-bit
Thermal Monitoring
Virtualization
Intel® Virtualization Technology (VT-x)
Intel® Virtualization Technology for Directed I/O (VT-d)
Intel® VT-x with Extended Page Tables (EPT)