Intel Xeon E3-1235L v5 vs Intel Xeon L5520

Comparative analysis of Intel Xeon E3-1235L v5 and Intel Xeon L5520 processors for all known characteristics in the following categories: Essentials, Performance, Memory, Graphics, Graphics interfaces, Graphics image quality, Graphics API support, 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 E3-1235L v5

Intel Xeon L5520

Differences

Reasons to consider the Intel Xeon E3-1235L v5

Around 21% higher clock speed: 3.00 GHz vs 2.48 GHz
A newer manufacturing process allows for a more powerful, yet cooler running processor: 14 nm vs 45 nm
2.4x lower typical power consumption: 25 Watt vs 60 Watt
Around 82% better performance in PassMark - Single thread mark: 1761 vs 969
Around 10% better performance in PassMark - CPU mark: 5013 vs 4561

Specifications (specs)
Maximum frequency	3.00 GHz vs 2.48 GHz
Manufacturing process technology	14 nm vs 45 nm
Thermal Design Power (TDP)	25 Watt vs 60 Watt
Benchmarks
PassMark - Single thread mark	1761 vs 969
PassMark - CPU mark	5013 vs 4561

Reasons to consider the Intel Xeon L5520

4 more threads: 8 vs 4
2.3x more maximum memory size: 144 GB vs 64 GB

Number of threads	8 vs 4
Maximum memory size	144 GB vs 64 GB
Max number of CPUs in a configuration	2 vs 1

Compare benchmarks

CPU 1: Intel Xeon E3-1235L v5
CPU 2: Intel Xeon L5520

PassMark - Single thread mark

CPU 1

CPU 2

1761

969

PassMark - CPU mark

CPU 1

CPU 2

5013

4561

Name	Intel Xeon E3-1235L v5	Intel Xeon L5520
PassMark - Single thread mark	1761	969
PassMark - CPU mark	5013	4561
Geekbench 4 - Single Core		2032
Geekbench 4 - Multi-Core		6619

Compare specifications (specs)

	Intel Xeon E3-1235L v5	Intel Xeon L5520
Essentials
Architecture codename	Skylake	Nehalem EP
Launch date	Q4'15	March 2009
Place in performance rating	1436	1432
Processor Number	E3-1235LV5	L5520
Series	Intel® Xeon® Processor E3 v5 Family	Legacy Intel® Xeon® Processors
Status	Launched	Launched
Vertical segment	Server	Server
Launch price (MSRP)		$100
Price now		$12.92
Value for money (0-100)		100.00
Performance
64 bit support
Base frequency	2.00 GHz	2.26 GHz
Bus Speed	8 GT/s DMI3	5.86 GT/s QPI
Manufacturing process technology	14 nm	45 nm
Maximum frequency	3.00 GHz	2.48 GHz
Number of cores	4	4
Number of threads	4	8
VID voltage range	0.55V-1.52V	0.75V -1.35V
Die size		263 mm2
L1 cache		64 KB (per core)
L2 cache		256 KB (per core)
L3 cache		8192 KB (shared)
Maximum core temperature		70°C
Number of QPI Links		2
Transistor count		731 million
Memory
Max memory channels	2	3
Maximum memory bandwidth	34.1 GB/s	25.6 GB/s
Maximum memory size	64 GB	144 GB
Supported memory types	DDR4-1866/2133, DDR3L-1333/1600 @ 1.35V	DDR3 800/1066
ECC memory support
Graphics
Device ID	0x191D
Graphics base frequency	400 MHz
Intel® Clear Video HD technology
Intel® Clear Video technology
Intel® InTru™ 3D technology
Intel® Quick Sync Video
Max video memory	64 GB
Processor graphics	Intel® HD Graphics P530
Graphics interfaces
DisplayPort
DVI
eDP
HDMI
Number of displays supported	3
Graphics image quality
4K resolution support
Max resolution over DisplayPort	4096x2304@60Hz
Max resolution over eDP	4096x2304@60Hz
Max resolution over HDMI 1.4	4096x2304@24Hz
Graphics API support
DirectX	12
OpenGL	4.4
Compatibility
Low Halogen Options Available
Max number of CPUs in a configuration	1	2
Package Size	37.5mm x 37.5mm	42.5mm x 45mm
Sockets supported	FCLGA1151	FCLGA1366
Thermal Design Power (TDP)	25 Watt	60 Watt
Peripherals
Max number of PCIe lanes	16
PCI Express revision	3.0
PCIe configurations	1x16, 2x8, 1x8+2x4
Scalability	1S Only
Security & Reliability
Execute Disable Bit (EDB)
Intel® Memory Protection Extensions (Intel® MPX)
Intel® OS Guard
Intel® Secure Key technology
Intel® Software Guard Extensions (Intel® SGX)
Intel® Trusted Execution technology (TXT)
Secure Boot
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® Hyper-Threading technology
Intel® TSX-NI
Intel® Turbo Boost technology
Intel® vPro™ Platform Eligibility
Thermal Monitoring
Intel® Demand Based Switching
Physical Address Extensions (PAE)		40-bit
Virtualization
Intel® Virtualization Technology (VT-x)
Intel® Virtualization Technology for Directed I/O (VT-d)
Intel® VT-x with Extended Page Tables (EPT)