Intel Xeon E5-2650L v2 vs Intel Xeon E5-2643

Comparative analysis of Intel Xeon E5-2650L v2 and Intel Xeon E5-2643 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 E5-2650L v2

Intel Xeon E5-2643

Differences

Reasons to consider the Intel Xeon E5-2650L v2

CPU is newer: launch date 1 year(s) 6 month(s) later
6 more cores, run more applications at once: 10 vs 4
12 more threads: 20 vs 8
A newer manufacturing process allows for a more powerful, yet cooler running processor: 22 nm vs 32 nm
2.5x more L1 cache, more data can be stored in the L1 cache for quick access later
2.5x more L2 cache, more data can be stored in the L2 cache for quick access later
2.5x more L3 cache, more data can be stored in the L3 cache for quick access later
2x more maximum memory size: 768 GB vs 384 GB
Around 86% lower typical power consumption: 70 Watt vs 130 Watt
Around 42% better performance in PassMark - CPU mark: 14039 vs 9863

Specifications (specs)
Launch date	September 2013 vs March 2012
Number of cores	10 vs 4
Number of threads	20 vs 8
Manufacturing process technology	22 nm vs 32 nm
L1 cache	64 KB (per core) vs 64 KB (per core)
L2 cache	256 KB (per core) vs 256 KB (per core)
L3 cache	25600 KB (shared) vs 10240 KB (shared)
Maximum memory size	768 GB vs 384 GB
Thermal Design Power (TDP)	70 Watt vs 130 Watt
Benchmarks
PassMark - CPU mark	14039 vs 9863

Reasons to consider the Intel Xeon E5-2643

Around 67% higher clock speed: 3.50 GHz vs 2.10 GHz
Around 12% higher maximum core temperature: 73°C vs 65°C
Around 57% better performance in PassMark - Single thread mark: 1611 vs 1029

Specifications (specs)
Maximum frequency	3.50 GHz vs 2.10 GHz
Maximum core temperature	73°C vs 65°C
Benchmarks
PassMark - Single thread mark	1611 vs 1029

Compare benchmarks

CPU 1: Intel Xeon E5-2650L v2
CPU 2: Intel Xeon E5-2643

PassMark - Single thread mark

CPU 1

CPU 2

1029

1611

PassMark - CPU mark

CPU 1

CPU 2

14039

9863

Name	Intel Xeon E5-2650L v2	Intel Xeon E5-2643
PassMark - Single thread mark	1029	1611
PassMark - CPU mark	14039	9863
Geekbench 4 - Single Core		638
Geekbench 4 - Multi-Core		2761

Compare specifications (specs)

	Intel Xeon E5-2650L v2	Intel Xeon E5-2643
Essentials
Architecture codename	Ivy Bridge EP	Sandy Bridge EP
Launch date	September 2013	March 2012
Place in performance rating	1885	1877
Processor Number	E5-2650LV2	E5-2643
Series	Intel® Xeon® Processor E5 v2 Family	Intel® Xeon® Processor E5 Family
Status	Launched	Discontinued
Vertical segment	Server	Server
Launch price (MSRP)		$218
Price now		$2,664
Value for money (0-100)		0.93
Performance
64 bit support
Base frequency	1.70 GHz	3.30 GHz
Bus Speed	7.2 GT/s QPI	8 GT/s QPI
Die size	160 mm	294 mm
L1 cache	64 KB (per core)	64 KB (per core)
L2 cache	256 KB (per core)	256 KB (per core)
L3 cache	25600 KB (shared)	10240 KB (shared)
Manufacturing process technology	22 nm	32 nm
Maximum core temperature	65°C	73°C
Maximum frequency	2.10 GHz	3.50 GHz
Number of cores	10	4
Number of QPI Links	2	2
Number of threads	20	8
Transistor count	1400 million	1270 million
VID voltage range	0.65–1.30V	0.60V-1.35V
Memory
ECC memory support
Max memory channels	4	4
Maximum memory bandwidth	51.2 GB/s	51.2 GB/s
Maximum memory size	768 GB	384 GB
Supported memory types	DDR3 800/1066/1333/1600	DDR3 800/1066/1333/1600
Compatibility
Low Halogen Options Available
Max number of CPUs in a configuration	2	2
Package Size	52.5mm x 45mm	52.5mm x 45.0mm
Sockets supported	FCLGA2011	FCLGA2011
Thermal Design Power (TDP)	70 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 Only	2S 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® AVX	Intel® AVX
Intel 64
Intel® Advanced Vector Extensions (AVX)
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)