Intel Xeon E3-1275 v5 vs Intel Xeon E5-2660 v3

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CPU comparison with benchmarks

-VS-

CPU lineage

Intel Xeon E3-1275 v5 or Intel Xeon E3-1275 v5 – which processor offers superior performance? In this comparison, we examine disparities and assess which of these two CPUs outperforms the other. We delve into technical specifications and benchmark outcomes.
The Intel Xeon E3-1275 v5 features 4 processor cores and has the capability to manage 8 threads concurrently.
It was released in Q4/2015 and belongs to the 5 generation of the Intel Xeon E3 series.
To use the Intel Xeon E3-1275 v5, you'll need a motherboard with a LGA 1151 socket.
The Intel Xeon E5-2660 v3 features 10 processor cores and has the capability to manage 20 threads concurrently.
It was released in Q3/2014 and belongs to the 5 generation of the Intel Xeon E5 series.
To use the Intel Xeon E5-2660 v3, you'll need a motherboard with a LGA 2011-3 socket.
5 Generation 5
Intel Xeon E3 Family Intel Xeon E5
Intel Xeon E3 v5 Group Intel Xeon E5 v3
Intel Xeon E3-1275 v5 Name Intel Xeon E5-2660 v3
Desktop / Server Segment Desktop / Server
 
 

CPU Cores and Base Frequency

The Intel Xeon E3-1275 v5 has 4 CPU cores and can calculate 8 threads in parallel.
The clock frequency of the Intel Xeon E3-1275 v5 is 3.6 GHz
and turbo frequency for one core is 4.0 GHz.
The Intel Xeon E5-2660 v3 has 10 CPU cores and can calculate 20 threads in parallel.
The clock frequency of the Intel Xeon E5-2660 v3 is 2.6 GHz
and turbo frequency for one core is 3.3 GHz.
The number of CPU cores greatly affects the speed of the processor and is an important performance indicator.
4 CPU Cores 10
8 Threads 20
4.0 GHz Turbo Frequency (1 core) 3.3 GHz
3.6 GHz Frequency 2.6 GHz
4x Cores 10x
normal Core architecture normal
No Overclocking No
Yes Hyperthreading Yes
3.8 GHz Turbo Frequency (all cores) None
 
 

Internal Graphics

The Intel Xeon E3-1275 v5 has integrated graphics, called iGPU for short.
Specifically, the Intel Xeon E3-1275 v5 uses the Intel HD Graphics P530, which has 192 texture shaders
and 24 execution units.
The iGPU uses the system's main memory as graphics memory and sits on the processor's die.
The Intel Xeon E5-2660 v3 does not have integrated graphics.
9 Generation --
Q3/2015 Release date --
-- Max. displays --
24 Execution units --
192 Shaders --
1.15 GHz GPU (Turbo) --
0.4 GHz GPU frequency --
14 nm Technology --
Intel HD Graphics P530 GPU name
32.0 GB Max. GPU Memory 0 bytes
12 Direct X --
 
 

Artificial Intelligence and Machine Learning

-- AI specifications --
-- AI hardware --
 
 

Hardware codec support

A photo or video codec that is accelerated in hardware can greatly accelerate the working speed of a processor and extend the battery life of notebooks or smartphones when playing videos.
Decode / Encode JPEG --
Decode / Encode h264 --
No AV1 --
No VP9 --
No h265 / HEVC (10 bit) --
Decode / Encode AVC --
Decode / Encode h265 / HEVC (8 bit) --
Decode / Encode VP8 --
Decode VC-1 --
 
 

Memory & PCIe

The processor supports a maximum memory capacity of 64.0 GB distributed across 2 memory channels. It offers a peak memory bandwidth of 34.1 GB/s. Both the type and quantity of memory can have a substantial impact on the overall system performance.
The processor supports a maximum memory capacity of 768.0 GB distributed across 4 memory channels. It offers a peak memory bandwidth of 68.2 GB/s. Both the type and quantity of memory can have a substantial impact on the overall system performance.
2 Memory channels 4
64.0 GB Max. Memory 768.0 GB
DDR4-2133 Memory type DDR4-2133
Yes AES-NI Yes
34.1 GB/s Bandwidth 68.2 GB/s
Yes ECC Yes
pci PCIe pci
 
 

Thermal Management

The processor has a thermal design power (TDP) of 80 W watts.
TDP indicates the cooling solution needed to effectively manage the processor's heat. It generally provides an approximate indication of the actual power consumption of the CPU itself.
The processor has a thermal design power (TDP) of 105 W watts.
80 W TDP (PL1 / PBP) 105 W
-- Tjunction max --
 
 

Technical details

The Intel Xeon E3-1275 v5 is manufactured using a 14 nm process.
A smaller manufacturing process indicates a more contemporary and energy-efficient CPU.
In total, this processor boasts a generous 8.0 MB cache.
A substantial cache can significantly enhance the processor's performance, particularly in scenarios like gaming.
The Intel Xeon E5-2660 v3 is manufactured using a 22 nm process.
In total, this processor boasts a generous 25.0 MB cache.
Q4/2015 Release date Q3/2014
Skylake S Architecture Haswell E
Technical data sheet Documents Technical data sheet
VT-x, VT-x EPT, VT-d Virtualization VT-x, VT-x EPT, VT-d
Monolithic Chip design Monolithic
8.0 MB L3-Cache 25.0 MB
SSE4.1, SSE4.2, AVX2 ISA extensions SSE4.1, SSE4.2, AVX2
14 nm Technology 22 nm
LGA 1151 Socket LGA 2011-3
x86-64 (64 bit) Instruction set (ISA) x86-64 (64 bit)
-- Part Number --
-- Release price --
Windows 10, Linux Operating systems Windows 10, Linux
0 bytes L2-Cache 0 bytes
 
 

Benchmarks

Geekbench 3, 64bit (Multi-Core)

Intel Xeon E5-2660 v3
10C 20T @ 2.6 GHz
33900
33900
Intel Xeon E3-1275 v5
4C 8T @ 3.6 GHz
16177
16177

Geekbench 5, 64bit (Multi-Core)

Intel Xeon E5-2660 v3
10C 20T @ 2.6 GHz
7022
7022
Intel Xeon E3-1275 v5
4C 8T @ 3.6 GHz
4328
4328

Geekbench 6 (Multi-Core)

Intel Xeon E5-2660 v3
10C 20T @ 2.6 GHz
6285
6285
Intel Xeon E3-1275 v5
4C 8T @ 3.6 GHz
4763
4763

Geekbench 3, 64bit (Single-Core)

Intel Xeon E3-1275 v5
4C 8T @ 3.6 GHz
4536
4536
Intel Xeon E5-2660 v3
10C 20T @ 2.6 GHz
3429
3429

Cinebench R15 (Multi-Core)

Intel Xeon E5-2660 v3
10C 20T @ 2.6 GHz
1593
1593
Intel Xeon E3-1275 v5
4C 8T @ 3.6 GHz
844
844

Geekbench 6 (Single-Core)

Intel Xeon E3-1275 v5
4C 8T @ 3.6 GHz
1442
1442
Intel Xeon E5-2660 v3
10C 20T @ 2.6 GHz
1042
1042