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

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

Intel Xeon E5-2650L

Differences

Reasons to consider the Intel Xeon E5-2643

Around 52% higher clock speed: 3.50 GHz vs 2.30 GHz
Around 1% higher maximum core temperature: 73°C vs 72.0°C
Around 52% better performance in PassMark - Single thread mark: 1598 vs 1050

Specifications (specs)
Maximum frequency	3.50 GHz vs 2.30 GHz
Maximum core temperature	73°C vs 72.0°C
Benchmarks
PassMark - Single thread mark	1598 vs 1050

Reasons to consider the Intel Xeon E5-2650L

4 more cores, run more applications at once: 8 vs 4
8 more threads: 16 vs 8
2x more L1 cache, more data can be stored in the L1 cache for quick access later
2x more L2 cache, more data can be stored in the L2 cache for quick access later
2x more L3 cache, more data can be stored in the L3 cache for quick access later
Around 86% lower typical power consumption: 70 Watt vs 130 Watt
Around 17% better performance in PassMark - CPU mark: 11364 vs 9748

Specifications (specs)
Number of cores	8 vs 4
Number of threads	16 vs 8
L1 cache	64 KB (per core) vs 64 KB (per core)
L2 cache	256 KB (per core) vs 256 KB (per core)
L3 cache	20480 KB (shared) vs 10240 KB (shared)
Thermal Design Power (TDP)	70 Watt vs 130 Watt
Benchmarks
PassMark - CPU mark	11364 vs 9748

Compare benchmarks

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

PassMark - Single thread mark

CPU 1

CPU 2

1598

1050

PassMark - CPU mark

CPU 1

CPU 2

9748

11364

Name	Intel Xeon E5-2643	Intel Xeon E5-2650L
PassMark - Single thread mark	1598	1050
PassMark - CPU mark	9748	11364
Geekbench 4 - Single Core	638
Geekbench 4 - Multi-Core	2761

Compare specifications (specs)

	Intel Xeon E5-2643	Intel Xeon E5-2650L
Essentials
Architecture codename	Sandy Bridge EP	Sandy Bridge EP
Launch date	March 2012	March 2012
Launch price (MSRP)	$218	$142
Place in performance rating	1780	1794
Price now	$2,664	$159.90
Processor Number	E5-2643	E5-2650L
Series	Intel® Xeon® Processor E5 Family	Intel® Xeon® Processor E5 Family
Status	Discontinued	Discontinued
Value for money (0-100)	0.93	15.98
Vertical segment	Server	Server
Performance
64 bit support
Base frequency	3.30 GHz	1.80 GHz
Bus Speed	8 GT/s QPI	8 GT/s QPI
Die size	294 mm	435 mm
L1 cache	64 KB (per core)	64 KB (per core)
L2 cache	256 KB (per core)	256 KB (per core)
L3 cache	10240 KB (shared)	20480 KB (shared)
Manufacturing process technology	32 nm	32 nm
Maximum core temperature	73°C	72.0°C
Maximum frequency	3.50 GHz	2.30 GHz
Number of cores	4	8
Number of QPI Links	2	2
Number of threads	8	16
Transistor count	1270 million	2270 million
VID voltage range	0.60V-1.35V	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	384 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 45.0mm	52.5mm x 45.0mm
Sockets supported	FCLGA2011	FCLGA2011
Thermal Design Power (TDP)	130 Watt	70 Watt
Peripherals
Max number of PCIe lanes	40	40
PCI Express revision	3.0	3.0
Scalability	2S Only	2S Only
Security & Reliability
Execute Disable Bit (EDB)
Intel® Identity Protection 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® Turbo Boost technology
Intel® vPro™ Platform Eligibility
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)