Intel Xeon E5-2643 v3 vs Intel Xeon W3570

Comparative analysis of Intel Xeon E5-2643 v3 and Intel Xeon W3570 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 E5-2643 v3

Intel Xeon W3570

Differences

Reasons to consider the Intel Xeon E5-2643 v3

2 more cores, run more applications at once: 6 vs 4
4 more threads: 12 vs 8
Around 7% higher clock speed: 3.70 GHz vs 3.46 GHz
Around 14% higher maximum core temperature: 77.3°C vs 67.9°C
A newer manufacturing process allows for a more powerful, yet cooler running processor: 22 nm vs 45 nm
32x more maximum memory size: 768 GB vs 24 GB
Around 41% better performance in PassMark - Single thread mark: 2062 vs 1458
5.6x better performance in PassMark - CPU mark: 17911 vs 3185

Specifications (specs)
Number of cores	6 vs 4
Number of threads	12 vs 8
Maximum frequency	3.70 GHz vs 3.46 GHz
Maximum core temperature	77.3°C vs 67.9°C
Manufacturing process technology	22 nm vs 45 nm
Maximum memory size	768 GB vs 24 GB
Max number of CPUs in a configuration	2 vs 1
Benchmarks
PassMark - Single thread mark	2062 vs 1458
PassMark - CPU mark	17911 vs 3185

Reasons to consider the Intel Xeon W3570

Around 4% lower typical power consumption: 130 Watt vs 135 Watt

Thermal Design Power (TDP)	130 Watt vs 135 Watt

Compare benchmarks

CPU 1: Intel Xeon E5-2643 v3
CPU 2: Intel Xeon W3570

PassMark - Single thread mark

CPU 1

CPU 2

2062

1458

PassMark - CPU mark

CPU 1

CPU 2

17911

3185

Name	Intel Xeon E5-2643 v3	Intel Xeon W3570
PassMark - Single thread mark	2062	1458
PassMark - CPU mark	17911	3185
Geekbench 4 - Single Core		2760
Geekbench 4 - Multi-Core		9206

Compare specifications (specs)

	Intel Xeon E5-2643 v3	Intel Xeon W3570
Essentials
Architecture codename	Haswell	Bloomfield
Launch date	Q3'14	March 2009
Place in performance rating	929	934
Processor Number	E5-2643V3	W3570
Series	Intel® Xeon® Processor E5 v3 Family	Legacy Intel® Xeon® Processors
Status	Launched	Discontinued
Vertical segment	Server	Server
Launch price (MSRP)		$480
Price now		$479.95
Value for money (0-100)		3.73
Performance
64 bit support
Base frequency	3.40 GHz	3.20 GHz
Bus Speed	9.6 GT/s QPI	6.4 GT/s QPI
Manufacturing process technology	22 nm	45 nm
Maximum core temperature	77.3°C	67.9°C
Maximum frequency	3.70 GHz	3.46 GHz
Number of cores	6	4
Number of QPI Links	2	1
Number of threads	12	8
VID voltage range	0.65V–1.30V	0.800V-1.375V
Die size		263 mm2
L1 cache		64 KB (per core)
L2 cache		256 KB (per core)
L3 cache		8192 KB (shared)
Transistor count		731 million
Memory
Max memory channels	4	3
Maximum memory bandwidth	68 GB/s	32 GB/s
Maximum memory size	768 GB	24 GB
Supported memory types	DDR4 1600/1866/2133	DDR3 800/1066/1333
ECC memory support
Compatibility
Low Halogen Options Available
Max number of CPUs in a configuration	2	1
Package Size	52.5mm x 45mm	42.5mm x 45.0mm
Sockets supported	FCLGA2011-3	FCLGA1366
Thermal Design Power (TDP)	135 Watt	130 Watt
Peripherals
Max number of PCIe lanes	40
PCI Express revision	3.0
PCIe configurations	x4, x8, x16
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® SSE4.2
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	36-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)