Intel Xeon E3-1231 v3 vs Intel Xeon L5638

Comparative analysis of Intel Xeon E3-1231 v3 and Intel Xeon L5638 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, 3DMark Fire Strike - Physics Score, 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), CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s).

Intel Xeon E3-1231 v3

Intel Xeon L5638

Differences

Reasons to consider the Intel Xeon E3-1231 v3

Around 58% higher clock speed: 3.80 GHz vs 2.40 GHz
A newer manufacturing process allows for a more powerful, yet cooler running processor: 22 nm vs 32 nm
2.3x better performance in PassMark - Single thread mark: 2149 vs 944

Specifications (specs)
Maximum frequency	3.80 GHz vs 2.40 GHz
Manufacturing process technology	22 nm vs 32 nm
Benchmarks
PassMark - Single thread mark	2149 vs 944

Reasons to consider the Intel Xeon L5638

2 more cores, run more applications at once: 6 vs 4
4 more threads: 12 vs 8
Around 33% lower typical power consumption: 60 Watt vs 80 Watt
Around 2% better performance in PassMark - CPU mark: 7217 vs 7048

Specifications (specs)
Number of cores	6 vs 4
Number of threads	12 vs 8
Max number of CPUs in a configuration	2 vs 1
Thermal Design Power (TDP)	60 Watt vs 80 Watt
Benchmarks
PassMark - CPU mark	7217 vs 7048

Compare benchmarks

CPU 1: Intel Xeon E3-1231 v3
CPU 2: Intel Xeon L5638

PassMark - Single thread mark

CPU 1

CPU 2

2149

944

PassMark - CPU mark

CPU 1

CPU 2

7048

7217

Name	Intel Xeon E3-1231 v3	Intel Xeon L5638
PassMark - Single thread mark	2149	944
PassMark - CPU mark	7048	7217
Geekbench 4 - Single Core	891
Geekbench 4 - Multi-Core	3386
3DMark Fire Strike - Physics Score	2290
CompuBench 1.5 Desktop - Face Detection (mPixels/s)	5.137
CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s)	78.031
CompuBench 1.5 Desktop - T-Rex (Frames/s)	0.588
CompuBench 1.5 Desktop - Video Composition (Frames/s)	2.47
CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s)	6.089

Compare specifications (specs)

	Intel Xeon E3-1231 v3	Intel Xeon L5638
Essentials
Architecture codename	Haswell	Westmere EP
Launch date	Q2'14	March 2010
Place in performance rating	2145	2148
Processor Number	E3-1231V3	L5638
Series	Intel® Xeon® Processor E3 v3 Family	Legacy Intel® Xeon® Processors
Status	Launched	Launched
Vertical segment	Server	Server
Launch price (MSRP)		$90
Price now		$69.90
Value for money (0-100)		23.41
Performance
64 bit support
Base frequency	3.40 GHz	2.00 GHz
Bus Speed	5 GT/s DMI2	5.86 GT/s QPI
Manufacturing process technology	22 nm	32 nm
Maximum frequency	3.80 GHz	2.40 GHz
Number of cores	4	6
Number of QPI Links	0	2
Number of threads	8	12
Die size		239 mm
L1 cache		64 KB (per core)
L2 cache		256 KB (per core)
L3 cache		12288 KB (shared)
Maximum core temperature		85°C
Transistor count		1170 million
VID voltage range		1.0 - 1.5V
Memory
Max memory channels	2
Maximum memory bandwidth	25.6 GB/s
Maximum memory size	32 GB
Supported memory types	DDR3 and DDR3L 1333/1600 at 1.5V	DDR3
Compatibility
Low Halogen Options Available
Max number of CPUs in a configuration	1	2
Package Size	37.5mm x 37.5mm
Sockets supported	FCLGA1150	FCLGA1366
Thermal Design Power (TDP)	80 Watt	60 Watt
Thermal Solution	PCG 2013D
Peripherals
Max number of PCIe lanes	16
PCI Express revision	3.0
PCIe configurations	1x16, 2x8, 1x8/2x4
Scalability	1S Only
Security & Reliability
Anti-Theft technology
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® SSE4.1, Intel® SSE4.2, Intel® AVX2
Intel 64
Intel® AES New Instructions
Intel® Fast Memory Access
Intel® Flex Memory Access
Intel® Hyper-Threading technology
Intel® My WiFi technology
Intel® Stable Image Platform Program (SIPP)
Intel® TSX-NI
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)