Intel Xeon E3-1275 v5 VS Intel Xeon E3-1280 v5

Comparison of video cards Intel Xeon E3-1275 v5 vs Intel Xeon E3-1280 v5 in benchmarks and specifications.

Differences Specifications Benchmarks

Differences

Top features of Intel Xeon E3-1275 v5

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Top features of Intel Xeon E3-1280 v5

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Higher clock speed

3.70 GHz 3.60 GHz

Around 3% better clock speed

Specifications

Complete list of technical specifications

Intel Xeon E3-1275 v5 Intel Xeon E3-1280 v5

CPU generation and family

Let's find out which one of Intel Xeon E3-1275 v5 and Intel Xeon E3-1280 v5 is of a more recent generation, and what segment it belongs to.

Specification	Value
Name	Intel Xeon E3-1275 v5 Intel Xeon E3-1280 v5
Segment	Desktop / Server Desktop / Server
Family	Intel Xeon E3 Intel Xeon E3
Generation	5 5
CPU group	Intel Xeon E3 v5 Intel Xeon E3 v5

CPU Cores and Base Frequency

In this block we are going to compare Intel Xeon E3-1275 v5 vs Intel Xeon E3-1280 v5 by main technical specifications: number of cores and threads, base and maximum frequencies, process technology and cache size. The higher these specifications are, the more powerful your CPU will be.

Specification	Value
Frequency	3.60 GHz 3.70 GHz
CPU Cores	4 4
Turbo (1 Core)	4.00 GHz 4.00 GHz
CPU Threads	8 8
Turbo (4 Cores)	3.80 GHz 3.90 GHz
Hyperthreading	Yes Yes
Overclocking	No No
Core architecture	normal normal

Internal Graphics

Common specifications for integrated graphics cards in Intel Xeon E3-1275 v5 and Intel Xeon E3-1280 v5 along with supported interfaces and connection options. This block has no effect on the final efficiency of the CPU.

Specification	Value
GPU name	Intel HD Graphics P530 no iGPU
GPU frequency	0.40 GHz
GPU (Turbo)	1.15 GHz No turbo
Execution units	24
Shader	192
Max. displays	3
Generation	9
DirectX Version	12
Technology	14 nm
Release date	Q3/2015

Hardware codec support

Let's compare the support of video codecs between Intel Xeon E3-1275 v5 and Intel Xeon E3-1280 v5. Hardware support of video decoding by embedded graphics cards directly affects the speed and quality of rendering videos.

Specification	Value
h265 / HEVC (8 bit)	Decode / Encode No
h265 / HEVC (10 bit)	No No
h264	Decode / Encode No
VP9	No No
VP8	Decode / Encode No
AV1	No No
AVC	Decode / Encode No
VC-1	Decode No
JPEG	Decode / Encode No

Memory & PCIe

To choose the best model between Intel Xeon E3-1275 v5 and Intel Xeon E3-1280 v5 you need to pay special attention to memory type, clock frequency, multi-channel features, and PCIe version. The higher these numbers are, the better your CPU will be. Keep in mind that the maximum memory and frequency may also depend on the model of the motherboard.

Specification	Value
Memory type	DDR4-2133 DDR4-2133
ECC	Yes Yes
Memory channels	2 2
PCIe version	3.0 3.0
PCIe lanes	16 16

Encryption

AES-NI encryption support for CPUs Intel Xeon E3-1275 v5 and Intel Xeon E3-1280 v5.

Specification	Value
AES-NI	Yes Yes

Thermal Management

Let's find out what TDP value would be better for Intel Xeon E3-1275 v5 or Intel Xeon E3-1280 v5? The Thermal Design Power (TDP) indicates the maximum amount of heat that should be dissipated by the chip cooling system. However, the value of TDP gives only a rough indication of the real power consumption of the CPU.

Specification	Value
TDP (PL1)	80 W 80 W

Technical details

Here you can find a comparison of 2nd and 3rd level cache sizes for Intel Xeon E3-1275 v5 and Intel Xeon E3-1280 v5 CPUs along with a list of ISA extensions.

Specification	Value
Instruction set (ISA)	x86-64 (64 bit) x86-64 (64 bit)
Virtualization	VT-x, VT-x EPT, VT-d VT-x, VT-x EPT, VT-d
ISA extensions	SSE4.1, SSE4.2, AVX2 SSE4.1, SSE4.2, AVX2
L3-Cache	8.00 MB 8.00 MB
Architecture	Skylake S Skylake S
Technology	14 nm 14 nm
Socket	LGA 1151 LGA 1151
Release date	Q4/2015 Q4/2015