Intel Xeon W-2140B vs Intel Xeon E5-2640

Comparative analysis of Intel Xeon W-2140B and Intel Xeon E5-2640 processors for all known characteristics in the following categories: Essentials, Performance, Memory, Compatibility, Peripherals, Security & Reliability, Advanced Technologies, Virtualization. Benchmark processor performance analysis: 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), PassMark - Single thread mark, PassMark - CPU mark, Geekbench 4 - Single Core, Geekbench 4 - Multi-Core.

Intel Xeon W-2140B

Intel Xeon E5-2640

Differences

Reasons to consider the Intel Xeon W-2140B

CPU is newer: launch date 5 year(s) 3 month(s) later
2 more cores, run more applications at once: 8 vs 6
4 more threads: 16 vs 12
Around 40% higher clock speed: 4.2 GHz vs 3.00 GHz
A newer manufacturing process allows for a more powerful, yet cooler running processor: 14 nm vs 32 nm
Around 33% more L1 cache; more data can be stored in the L1 cache for quick access later
5.3x more L2 cache, more data can be stored in the L2 cache for quick access later
Around 33% higher maximum memory size: 512 GB vs 384 GB

Launch date	5 June 2017 vs March 2012
Number of cores	8 vs 6
Number of threads	16 vs 12
Maximum frequency	4.2 GHz vs 3.00 GHz
Manufacturing process technology	14 nm vs 32 nm
L1 cache	512 KB vs 64 KB (per core)
L2 cache	8 MB vs 256 KB (per core)
Maximum memory size	512 GB vs 384 GB

Reasons to consider the Intel Xeon E5-2640

Around 36% more L3 cache; more data can be stored in the L3 cache for quick access later

L3 cache	15360 KB (shared) vs 11 MB
Max number of CPUs in a configuration	2 vs 1

Compare benchmarks

CPU 1: Intel Xeon W-2140B
CPU 2: Intel Xeon E5-2640

Name	Intel Xeon W-2140B	Intel Xeon E5-2640
CompuBench 1.5 Desktop - Face Detection (mPixels/s)	10.42
CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s)	151.615
CompuBench 1.5 Desktop - T-Rex (Frames/s)	0.825
CompuBench 1.5 Desktop - Video Composition (Frames/s)	5.664
CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s)	14.466
PassMark - Single thread mark		1344
PassMark - CPU mark		11646
Geekbench 4 - Single Core		564
Geekbench 4 - Multi-Core		3363

Compare specifications (specs)

	Intel Xeon W-2140B	Intel Xeon E5-2640
Essentials
Architecture codename	Skylake W	Sandy Bridge EP
Family	Xeon W
Launch date	5 June 2017	March 2012
Place in performance rating	1987	1980
Series	W-2000	Intel® Xeon® Processor E5 Family
Vertical segment	Server	Server
Launch price (MSRP)		$162
Price now		$197.27
Processor Number		E5-2640
Status		Discontinued
Value for money (0-100)		14.20
Performance
64 bit support
Base frequency	3.2 GHz	2.50 GHz
Bus Speed	8 GT/s DMI	7.2 GT/s QPI
L1 cache	512 KB	64 KB (per core)
L2 cache	8 MB	256 KB (per core)
L3 cache	11 MB	15360 KB (shared)
Manufacturing process technology	14 nm	32 nm
Maximum frequency	4.2 GHz	3.00 GHz
Number of cores	8	6
Number of threads	16	12
Unlocked
Die size		435 mm
Maximum core temperature		73 °C
Number of QPI Links		2
Transistor count		2270 million
VID voltage range		0.60V-1.35V
Memory
ECC memory support
Max memory channels	4	4
Maximum memory bandwidth	79.47 GB/s	42.6 GB/s
Maximum memory size	512 GB	384 GB
Supported memory types	DDR4-2666	DDR3 800/1066/1333
Compatibility
Max number of CPUs in a configuration	1	2
Sockets supported	FCLGA-2066	FCLGA2011
Low Halogen Options Available
Package Size		52.5mm x 45.0mm
Thermal Design Power (TDP)		95 Watt
Peripherals
Max number of PCIe lanes	48	40
PCI Express revision	3.0	3.0
PCIe configurations	1x16, 1x8, 1x4
Scalability		2S Only
Security & Reliability
Intel® Identity Protection technology
Intel® Memory Protection Extensions (Intel® MPX)
Intel® OS Guard
Intel® Secure Key technology
Intel® Trusted Execution technology (TXT)
Execute Disable Bit (EDB)
Advanced Technologies
Enhanced Intel SpeedStep® technology
Fused Multiply-Add 3 (FMA3)
Intel® Advanced Vector Extensions (AVX)
Intel® Advanced Vector Extensions 2 (AVX2)
Intel® AES New Instructions
Intel® Hyper-Threading technology
Intel® TSX-NI
Intel® Turbo Boost technology
Intel® vPro™ Platform Eligibility
Speed Shift technology
Idle States
Instruction set extensions		Intel® AVX
Intel 64
Intel® Demand Based Switching
Intel® Flex Memory Access
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)