Intel Xeon E5-2603 v3 vs Intel Xeon L5640

Comparative analysis of Intel Xeon E5-2603 v3 and Intel Xeon L5640 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, 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).

Intel Xeon E5-2603 v3

Intel Xeon L5640

Differences

Reasons to consider the Intel Xeon E5-2603 v3

Around 5% higher maximum core temperature: 72.8°C vs 69.4°C
A newer manufacturing process allows for a more powerful, yet cooler running processor: 22 nm vs 32 nm
2.7x more maximum memory size: 768 GB vs 288 GB

Maximum core temperature	72.8°C vs 69.4°C
Manufacturing process technology	22 nm vs 32 nm
Maximum memory size	768 GB vs 288 GB

Reasons to consider the Intel Xeon L5640

6 more threads: 12 vs 6
Around 42% lower typical power consumption: 60 Watt vs 85 Watt
Around 28% better performance in PassMark - Single thread mark: 1155 vs 905
Around 26% better performance in PassMark - CPU mark: 8525 vs 6758
Around 11% better performance in Geekbench 4 - Single Core: 455 vs 410
Around 11% better performance in Geekbench 4 - Multi-Core: 2407 vs 2164

Specifications (specs)
Number of threads	12 vs 6
Thermal Design Power (TDP)	60 Watt vs 85 Watt
Benchmarks
PassMark - Single thread mark	1155 vs 905
PassMark - CPU mark	8525 vs 6758
Geekbench 4 - Single Core	455 vs 410
Geekbench 4 - Multi-Core	2407 vs 2164

Compare benchmarks

CPU 1: Intel Xeon E5-2603 v3
CPU 2: Intel Xeon L5640

PassMark - Single thread mark

CPU 1

CPU 2

905

1155

PassMark - CPU mark

CPU 1

CPU 2

6758

8525

Geekbench 4 - Single Core

CPU 1

CPU 2

410

455

Geekbench 4 - Multi-Core

CPU 1

CPU 2

2164

2407

Name	Intel Xeon E5-2603 v3	Intel Xeon L5640
PassMark - Single thread mark	905	1155
PassMark - CPU mark	6758	8525
Geekbench 4 - Single Core	410	455
Geekbench 4 - Multi-Core	2164	2407
CompuBench 1.5 Desktop - Face Detection (mPixels/s)		2.022
CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s)		52.531
CompuBench 1.5 Desktop - T-Rex (Frames/s)		0.561
CompuBench 1.5 Desktop - Video Composition (Frames/s)		3.387

Compare specifications (specs)

	Intel Xeon E5-2603 v3	Intel Xeon L5640
Essentials
Architecture codename	Haswell	Westmere EP
Launch date	Q3'14	March 2010
Place in performance rating	2471	2480
Processor Number	E5-2603V3	L5640
Series	Intel® Xeon® Processor E5 v3 Family	Legacy Intel® Xeon® Processors
Status	Launched	Discontinued
Vertical segment	Server	Server
Launch price (MSRP)		$200
Price now		$34.75
Value for money (0-100)		54.30
Performance
64 bit support
Base frequency	1.60 GHz	2.26 GHz
Bus Speed	6.4 GT/s QPI	5.86 GT/s QPI
Manufacturing process technology	22 nm	32 nm
Maximum core temperature	72.8°C	69.4°C
Number of cores	6	6
Number of QPI Links	2	2
Number of threads	6	12
VID voltage range	0.65V–1.30V	0.750V-1.350V
Die size		239 mm
L1 cache		64 KB (per core)
L2 cache		256 KB (per core)
L3 cache		12288 KB (shared)
Maximum frequency		2.80 GHz
Transistor count		1170 million
Memory
Max memory channels	4	3
Maximum memory bandwidth	51 GB/s	32 GB/s
Maximum memory size	768 GB	288 GB
Supported memory types	DDR4 1600	DDR3 800/1066/1333
ECC memory support
Compatibility
Low Halogen Options Available
Max number of CPUs in a configuration	2	2
Package Size	52.5mm x 45mm	42.5mm X 45mm
Sockets supported	FCLGA2011-3	FCLGA1366
Thermal Design Power (TDP)	85 Watt	60 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	40-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)