Intel Xeon w7-3445 vs Intel Xeon E5-2643 v4

Comparative analysis of Intel Xeon w7-3445 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 w7-3445

Intel Xeon E5-2643 v4

Differences

Reasons to consider the Intel Xeon w7-3445

14 more cores, run more applications at once: 20 vs 6
28 more threads: 40 vs 12
Around 30% higher clock speed: 4.8 GHz vs 3.70 GHz
A newer manufacturing process allows for a more powerful, yet cooler running processor: 10 nm vs 14 nm
Around 40% better performance in PassMark - Single thread mark: 3172 vs 2264
2.4x better performance in PassMark - CPU mark: 48463 vs 20119

Specifications (specs)
Number of cores	20 vs 6
Number of threads	40 vs 12
Maximum frequency	4.8 GHz vs 3.70 GHz
Manufacturing process technology	10 nm vs 14 nm
Benchmarks
PassMark - Single thread mark	3172 vs 2264
PassMark - CPU mark	48463 vs 20119

Reasons to consider the Intel Xeon E5-2643 v4

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

Max number of CPUs in a configuration	2 vs 1
Thermal Design Power (TDP)	135 Watt vs 270 Watt

Compare benchmarks

CPU 1: Intel Xeon w7-3445
CPU 2: Intel Xeon E5-2643 v4

PassMark - Single thread mark

CPU 1

CPU 2

3172

2264

PassMark - CPU mark

CPU 1

CPU 2

48463

20119

Name	Intel Xeon w7-3445	Intel Xeon E5-2643 v4
PassMark - Single thread mark	3172	2264
PassMark - CPU mark	48463	20119
Geekbench 4 - Single Core		3707
Geekbench 4 - Multi-Core		19860

Compare specifications (specs)

	Intel Xeon w7-3445	Intel Xeon E5-2643 v4
Essentials
Launch date	15 Feb 2023	Q1'16
Launch price (MSRP)	$1989
Place in performance rating	227	244
Architecture codename		Broadwell
Processor Number		E5-2643V4
Series		Intel® Xeon® Processor E5 v4 Family
Status		Launched
Vertical segment		Server
Performance
Base frequency	2.5 GHz	3.40 GHz
Die size	4x 477 mm²
L1 cache	80K (per core)
L2 cache	2MB (per core)
L3 cache	52.5MB
Manufacturing process technology	10 nm	14 nm
Maximum case temperature (TCase)	72°C
Maximum frequency	4.8 GHz	3.70 GHz
Number of cores	20	6
Number of threads	40	12
Unlocked
64 bit support
Bus Speed		9.6 GT/s QPI
Maximum core temperature		75°C
Number of QPI Links		2
VID voltage range		0
Memory
ECC memory support
Supported memory types	DDR5-4800 MHz, Eight-channel	DDR4 1600/1866/2133/2400
Max memory channels		4
Maximum memory bandwidth		76.8 GB/s
Maximum memory size		1.5 TB
Compatibility
Max number of CPUs in a configuration	1	2
Sockets supported	4677	FCLGA2011-3
Thermal Design Power (TDP)	270 Watt	135 Watt
Low Halogen Options Available
Package Size		45mm x 52.5mm
Peripherals
PCIe configurations	Gen 5, 112 Lanes, (CPU only)	x4, x8, x16
Max number of PCIe lanes		40
PCI Express revision		3.0
Scalability		2S
Security & Reliability
Execute Disable Bit (EDB)
Intel® Identity Protection technology
Intel® OS Guard
Intel® Secure Key technology
Intel® Trusted Execution technology (TXT)
Advanced Technologies
Enhanced Intel SpeedStep® technology
Idle States
Instruction set extensions		Intel® AVX2
Intel 64
Intel® AES New Instructions
Intel® Demand Based Switching
Intel® Flex Memory Access
Intel® Hyper-Threading technology
Intel® TSX-NI
Intel® Turbo Boost technology
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)