Intel Xeon E5-2643 v3 vs Intel Xeon E5-4650

Comparative analysis of Intel Xeon E5-2643 v3 and Intel Xeon E5-4650 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 E5-4650

Differences

Reasons to consider the Intel Xeon E5-2643 v3

Around 12% higher clock speed: 3.70 GHz vs 3.30 GHz
A newer manufacturing process allows for a more powerful, yet cooler running processor: 22 nm vs 32 nm
2x more maximum memory size: 768 GB vs 384 GB
Around 44% better performance in PassMark - Single thread mark: 2062 vs 1430
Around 31% better performance in PassMark - CPU mark: 17911 vs 13713

Specifications (specs)
Maximum frequency	3.70 GHz vs 3.30 GHz
Manufacturing process technology	22 nm vs 32 nm
Maximum memory size	768 GB vs 384 GB
Benchmarks
PassMark - Single thread mark	2062 vs 1430
PassMark - CPU mark	17911 vs 13713

Reasons to consider the Intel Xeon E5-4650

2 more cores, run more applications at once: 8 vs 6
4 more threads: 16 vs 12
Around 4% lower typical power consumption: 130 Watt vs 135 Watt

Number of cores	8 vs 6
Number of threads	16 vs 12
Max number of CPUs in a configuration	4 vs 2
Thermal Design Power (TDP)	130 Watt vs 135 Watt

Compare benchmarks

CPU 1: Intel Xeon E5-2643 v3
CPU 2: Intel Xeon E5-4650

PassMark - Single thread mark

CPU 1

CPU 2

2062

1430

PassMark - CPU mark

CPU 1

CPU 2

17911

13713

Name	Intel Xeon E5-2643 v3	Intel Xeon E5-4650
PassMark - Single thread mark	2062	1430
PassMark - CPU mark	17911	13713
Geekbench 4 - Single Core		2693
Geekbench 4 - Multi-Core		16028

Compare specifications (specs)

	Intel Xeon E5-2643 v3	Intel Xeon E5-4650
Essentials
Architecture codename	Haswell	Sandy Bridge EP
Launch date	Q3'14	May 2012
Place in performance rating	927	666
Processor Number	E5-2643V3	E5-4650
Series	Intel® Xeon® Processor E5 v3 Family	Intel® Xeon® Processor E5 Family
Status	Launched	Discontinued
Vertical segment	Server	Server
Launch price (MSRP)		$799
Price now		$95.49
Value for money (0-100)		37.38
Performance
64 bit support
Base frequency	3.40 GHz	2.70 GHz
Bus Speed	9.6 GT/s QPI	8 GT/s QPI
Manufacturing process technology	22 nm	32 nm
Maximum core temperature	77.3°C
Maximum frequency	3.70 GHz	3.30 GHz
Number of cores	6	8
Number of QPI Links	2	2
Number of threads	12	16
VID voltage range	0.65V–1.30V	0.6V-1.35V
Die size		435 mm
L1 cache		64 KB (per core)
L2 cache		256 KB (per core)
L3 cache		20480 KB (shared)
Transistor count		2270 million
Memory
Max memory channels	4	4
Maximum memory bandwidth	68 GB/s	51.2 GB/s
Maximum memory size	768 GB	384 GB
Supported memory types	DDR4 1600/1866/2133	DDR3 800/1066/1333/1600
ECC memory support
Compatibility
Low Halogen Options Available
Max number of CPUs in a configuration	2	4
Package Size	52.5mm x 45mm	52.5mm x 45.0mm
Sockets supported	FCLGA2011-3	FCLGA2011
Thermal Design Power (TDP)	135 Watt	130 Watt
Peripherals
Max number of PCIe lanes	40	40
PCI Express revision	3.0	3.0
PCIe configurations	x4, x8, x16
Scalability	2S	4S Only
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® AVX
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
Intel® Advanced Vector Extensions (AVX)
Virtualization
Intel® Virtualization Technology (VT-x)
Intel® Virtualization Technology for Directed I/O (VT-d)
Intel® VT-x with Extended Page Tables (EPT)