Intel Xeon E3-1275 v5 vs Intel Xeon E3-1240 v5

Comparative analysis of Intel Xeon E3-1275 v5 and Intel Xeon E3-1240 v5 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 E3-1275 v5

Intel Xeon E3-1240 v5

Differences

Reasons to consider the Intel Xeon E3-1275 v5

Around 3% higher clock speed: 4.00 GHz vs 3.90 GHz
Around 5% better performance in Geekbench 4 - Single Core: 1072 vs 1019

Specifications (specs)
Maximum frequency	4.00 GHz vs 3.90 GHz
Benchmarks
Geekbench 4 - Single Core	1072 vs 1019

Reasons to consider the Intel Xeon E3-1240 v5

Around 1% better performance in PassMark - Single thread mark: 2288 vs 2273
Around 8% better performance in Geekbench 4 - Multi-Core: 4008 vs 3722

Benchmarks
PassMark - Single thread mark	2288 vs 2273
PassMark - CPU mark	8268 vs 8233
Geekbench 4 - Multi-Core	4008 vs 3722

Compare benchmarks

CPU 1: Intel Xeon E3-1275 v5
CPU 2: Intel Xeon E3-1240 v5

PassMark - Single thread mark

CPU 1

CPU 2

2273

2288

PassMark - CPU mark

CPU 1

CPU 2

8233

8268

Geekbench 4 - Single Core

CPU 1

CPU 2

1072

1019

Geekbench 4 - Multi-Core

CPU 1

CPU 2

3722

4008

Name	Intel Xeon E3-1275 v5	Intel Xeon E3-1240 v5
PassMark - Single thread mark	2273	2288
PassMark - CPU mark	8233	8268
Geekbench 4 - Single Core	1072	1019
Geekbench 4 - Multi-Core	3722	4008

Compare specifications (specs)

	Intel Xeon E3-1275 v5	Intel Xeon E3-1240 v5
Essentials
Architecture codename	Skylake	Skylake
Launch date	Q4'15	Q4'15
Place in performance rating	1359	1360
Processor Number	E3-1275V5	E3-1240V5
Series	Intel® Xeon® Processor E3 v5 Family	Intel® Xeon® Processor E3 v5 Family
Status	Launched	Launched
Vertical segment	Server	Server
Performance
64 bit support
Base frequency	3.60 GHz	3.50 GHz
Bus Speed	8 GT/s DMI3	8 GT/s DMI3
Manufacturing process technology	14 nm	14 nm
Maximum frequency	4.00 GHz	3.90 GHz
Number of cores	4	4
Number of threads	8	8
VID voltage range	0.55V-1.52V	0.55V-1.52V
Memory
Max memory channels	2	2
Maximum memory bandwidth	34.1 GB/s	34.1 GB/s
Maximum memory size	64 GB	64 GB
Supported memory types	DDR4-1866/2133, DDR3L-1333/1600 @ 1.35V	DDR4-1866/2133, DDR3L-1333/1600 @ 1.35V
Graphics
Device ID	0x191D
Graphics base frequency	400 MHz
Graphics max dynamic frequency	1.15 GHz
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	0
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	FCLGA1151
Thermal Design Power (TDP)	80 Watt	80 Watt
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
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
Virtualization
Intel® Virtualization Technology (VT-x)
Intel® Virtualization Technology for Directed I/O (VT-d)
Intel® VT-x with Extended Page Tables (EPT)