Intel Xeon E5-4640 v3 vs Intel Xeon W-2135

Comparative analysis of Intel Xeon E5-4640 v3 and Intel Xeon W-2135 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 E5-4640 v3

Intel Xeon W-2135

Differences

Reasons to consider the Intel Xeon E5-4640 v3

6 more cores, run more applications at once: 12 vs 6
12 more threads: 24 vs 12
Around 21% higher maximum core temperature: 77.6°C vs 64
Around 50% higher maximum memory size: 768 GB vs 512 GB
Around 33% lower typical power consumption: 105 Watt vs 140 Watt

Number of cores	12 vs 6
Number of threads	24 vs 12
Maximum core temperature	77.6°C vs 64
Maximum memory size	768 GB vs 512 GB
Max number of CPUs in a configuration	4 vs 1
Thermal Design Power (TDP)	105 Watt vs 140 Watt

Reasons to consider the Intel Xeon W-2135

Around 73% higher clock speed: 4.50 GHz vs 2.60 GHz
A newer manufacturing process allows for a more powerful, yet cooler running processor: 14 nm vs 22 nm
Around 72% better performance in PassMark - Single thread mark: 2607 vs 1514
Around 39% better performance in PassMark - CPU mark: 14440 vs 10372

Specifications (specs)
Maximum frequency	4.50 GHz vs 2.60 GHz
Manufacturing process technology	14 nm vs 22 nm
Benchmarks
PassMark - Single thread mark	2607 vs 1514
PassMark - CPU mark	14440 vs 10372

Compare benchmarks

CPU 1: Intel Xeon E5-4640 v3
CPU 2: Intel Xeon W-2135

PassMark - Single thread mark

CPU 1

CPU 2

1514

2607

PassMark - CPU mark

CPU 1

CPU 2

10372

14440

Name	Intel Xeon E5-4640 v3	Intel Xeon W-2135
PassMark - Single thread mark	1514	2607
PassMark - CPU mark	10372	14440
Geekbench 4 - Single Core		1072
Geekbench 4 - Multi-Core		6403

Compare specifications (specs)

	Intel Xeon E5-4640 v3	Intel Xeon W-2135
Essentials
Architecture codename	Haswell	Skylake
Launch date	Q2'15	Q3'17
Place in performance rating	1394	1032
Processor Number	E5-4640V3	W-2135
Series	Intel® Xeon® Processor E5 v3 Family	Intel® Xeon® W Processor
Status	Launched	Launched
Vertical segment	Server	Server
Performance
64 bit support
Base frequency	1.90 GHz	3.70 GHz
Bus Speed	8 GT/s QPI	0 GT/s QPI
Manufacturing process technology	22 nm	14 nm
Maximum core temperature	77.6°C	64
Maximum frequency	2.60 GHz	4.50 GHz
Number of cores	12	6
Number of QPI Links	2	0
Number of threads	24	12
Number of Ultra Path Interconnect (UPI) Links		0
Memory
Max memory channels	4	4
Maximum memory bandwidth	68 GB/s	85.3 GB/s
Maximum memory size	768 GB	512 GB
Supported memory types	DDR4	DDR4 1600/1866/2133/2400/2666
Compatibility
Low Halogen Options Available
Max number of CPUs in a configuration	4	1
Package Size	52.5mm x 51mm	45mm x 52.5mm
Sockets supported	FCLGA2011-3	FCLGA2066
Thermal Design Power (TDP)	105 Watt	140 Watt
Peripherals
Max number of PCIe lanes	40	48
PCI Express revision	3.0	3.0
PCIe configurations	x4, x8, x16	x4, x8, x16
Scalability	4S	1S Only
Security & Reliability
Execute Disable Bit (EDB)
Intel® OS Guard
Intel® Secure Key technology
Intel® Trusted Execution technology (TXT)
Intel® Identity Protection technology
Intel® Memory Protection Extensions (Intel® MPX)
Intel® Software Guard Extensions (Intel® SGX)
Secure Boot
Advanced Technologies
Enhanced Intel SpeedStep® technology
Idle States
Instruction set extensions	Intel® AVX2	Intel® SSE4.2, Intel® AVX, Intel® AVX2, Intel® AVX-512
Intel 64
Intel® AES New Instructions
Intel® Flex Memory Access
Intel® Hyper-Threading technology
Intel® Instruction Replay Technology
Intel® TSX-NI
Intel® Turbo Boost technology
Physical Address Extensions (PAE)	46-bit	46-bit
Thermal Monitoring
Intel® Demand Based Switching
Intel® Optane™ Memory Supported
Intel® Volume Management Device (VMD)
Intel® vPro™ Platform Eligibility
Number of AVX-512 FMA Units		2
Speed Shift technology
Virtualization
Intel® Virtualization Technology (VT-x)
Intel® Virtualization Technology for Directed I/O (VT-d)
Intel® VT-x with Extended Page Tables (EPT)