Intel Xeon E3-1275 v5 vs Intel Xeon E3-1245 v5

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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 E3-1245 v5 features 4 processor cores and has the capability to manage 8 threads concurrently.
To use the Intel Xeon E3-1245 v5, you'll need a motherboard with a LGA 1151 socket.
Intel Xeon E3 Family Intel Xeon E3
Desktop / Server Segment Desktop / Server
Intel Xeon E3-1275 v5 Name Intel Xeon E3-1245 v5
Intel Xeon E3 v5 Group Intel Xeon E3 v5
5 Generation 5
 
 

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 E3-1245 v5 has 4 CPU cores and can calculate 8 threads in parallel.
The clock frequency of the Intel Xeon E3-1245 v5 is 3.5 GHz
and turbo frequency for one core is 3.9 GHz.
4x Cores 4x
3.8 GHz Turbo Frequency (all cores) 3.7 GHz
3.6 GHz Frequency 3.5 GHz
4 CPU Cores 4
normal Core architecture normal
Yes Hyperthreading Yes
No Overclocking No
8 Threads 8
4.0 GHz Turbo Frequency (1 core) 3.9 GHz
 
 

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 E3-1245 v5 has integrated graphics, called iGPU for short.
Specifically, the Intel Xeon E3-1245 v5 uses the Intel HD Graphics P530, which has 192 texture shaders
1.15 GHz GPU (Turbo) 1.15 GHz
Q3/2015 Release date Q3/2015
24 Execution units 24
12 Direct X 12
-- Max. displays --
192 Shaders 192
Intel HD Graphics P530 GPU name Intel HD Graphics P530
0.4 GHz GPU frequency 0.4 GHz
32.0 GB Max. GPU Memory 32.0 GB
9 Generation 9
14 nm Technology 14 nm
 
 

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

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.
Yes AES-NI Yes
64.0 GB Max. Memory 64.0 GB
34.1 GB/s Bandwidth 34.1 GB/s
DDR4-2133 Memory type DDR4-2133
pci PCIe pci
2 Memory channels 2
Yes ECC Yes
 
 

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.
80 W TDP (PL1 / PBP) 80 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 E3-1245 v5 is manufactured using a 14 nm process.
Technical data sheet Documents Technical data sheet
Q4/2015 Release date Q4/2015
LGA 1151 Socket LGA 1151
0 bytes L2-Cache 0 bytes
8.0 MB L3-Cache 8.0 MB
Windows 10, Linux Operating systems Windows 10, Linux
x86-64 (64 bit) Instruction set (ISA) x86-64 (64 bit)
-- Part Number --
Skylake S Architecture Skylake S
VT-x, VT-x EPT, VT-d Virtualization VT-x, VT-x EPT, VT-d
-- Release price --
SSE4.1, SSE4.2, AVX2 ISA extensions SSE4.1, SSE4.2, AVX2
Monolithic Chip design Monolithic
14 nm Technology 14 nm
 
 

Benchmarks

Geekbench 3, 64bit (Multi-Core)

Intel Xeon E3-1275 v5
4C 8T @ 3.6 GHz
16177
16177
Intel Xeon E3-1245 v5
4C 8T @ 3.5 GHz
15751
15751

Geekbench 6 (Multi-Core)

Intel Xeon E3-1275 v5
4C 8T @ 3.6 GHz
4763
4763
Intel Xeon E3-1245 v5
4C 8T @ 3.5 GHz
4725
4725

Geekbench 6 (Single-Core)

Intel Xeon E3-1275 v5
4C 8T @ 3.6 GHz
1442
1442
Intel Xeon E3-1245 v5
4C 8T @ 3.5 GHz
1414
1414