Intel Xeon E3-1235L v5 vs Intel Xeon E3-1271 v3

Comparative analysis of Intel Xeon E3-1235L v5 and Intel Xeon E3-1271 v3 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 E3-1271 v3

Differences

Reasons to consider the Intel Xeon E3-1235L v5

A newer manufacturing process allows for a more powerful, yet cooler running processor: 14 nm vs 22 nm
2x more maximum memory size: 64 GB vs 32 GB
3.2x lower typical power consumption: 25 Watt vs 80 Watt

Manufacturing process technology	14 nm vs 22 nm
Maximum memory size	64 GB vs 32 GB
Thermal Design Power (TDP)	25 Watt vs 80 Watt

Reasons to consider the Intel Xeon E3-1271 v3

4 more threads: 8 vs 4
Around 33% higher clock speed: 4.00 GHz vs 3.00 GHz
Around 29% better performance in PassMark - Single thread mark: 2274 vs 1761
Around 50% better performance in PassMark - CPU mark: 7524 vs 5013

Specifications (specs)
Number of threads	8 vs 4
Maximum frequency	4.00 GHz vs 3.00 GHz
Benchmarks
PassMark - Single thread mark	2274 vs 1761
PassMark - CPU mark	7524 vs 5013

Compare benchmarks

CPU 1: Intel Xeon E3-1235L v5
CPU 2: Intel Xeon E3-1271 v3

PassMark - Single thread mark

CPU 1

CPU 2

1761

2274

PassMark - CPU mark

CPU 1

CPU 2

5013

7524

Name	Intel Xeon E3-1235L v5	Intel Xeon E3-1271 v3
PassMark - Single thread mark	1761	2274
PassMark - CPU mark	5013	7524
Geekbench 4 - Single Core		965
Geekbench 4 - Multi-Core		3597

Compare specifications (specs)

	Intel Xeon E3-1235L v5	Intel Xeon E3-1271 v3
Essentials
Architecture codename	Skylake	Haswell
Launch date	Q4'15	Q2'14
Place in performance rating	1338	1340
Processor Number	E3-1235LV5	E3-1271V3
Series	Intel® Xeon® Processor E3 v5 Family	Intel® Xeon® Processor E3 v3 Family
Status	Launched	Launched
Vertical segment	Server	Server
Performance
64 bit support
Base frequency	2.00 GHz	3.60 GHz
Bus Speed	8 GT/s DMI3	5 GT/s DMI2
Manufacturing process technology	14 nm	22 nm
Maximum frequency	3.00 GHz	4.00 GHz
Number of cores	4	4
Number of threads	4	8
VID voltage range	0.55V-1.52V
Number of QPI Links		0
Memory
Max memory channels	2	2
Maximum memory bandwidth	34.1 GB/s	25.6 GB/s
Maximum memory size	64 GB	32 GB
Supported memory types	DDR4-1866/2133, DDR3L-1333/1600 @ 1.35V	DDR3 and DDR3L 1333/1600 at 1.5V
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	1
Package Size	37.5mm x 37.5mm	37.5mm x 37.5mm
Sockets supported	FCLGA1151	FCLGA1150
Thermal Design Power (TDP)	25 Watt	80 Watt
Thermal Solution		PCG 2013D
Peripherals
Max number of PCIe lanes	16	16
PCI Express revision	3.0	3.0
PCIe configurations	1x16, 2x8, 1x8+2x4	1x16, 2x8, 1x8/2x4
Scalability	1S Only	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
Anti-Theft technology
Intel® Identity Protection technology
Advanced Technologies
Enhanced Intel SpeedStep® technology
Idle States
Instruction set extensions	Intel® SSE4.1, Intel® SSE4.2, Intel® AVX2	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® Fast Memory Access
Intel® Flex Memory Access
Intel® Stable Image Platform Program (SIPP)
Virtualization
Intel® Virtualization Technology (VT-x)
Intel® Virtualization Technology for Directed I/O (VT-d)
Intel® VT-x with Extended Page Tables (EPT)