Intel Xeon E3-1265L v3 vs Intel Xeon E5-2650 v2

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CPU comparison with benchmarks

-VS-

CPU lineage

Intel Xeon E3-1265L v3 or Intel Xeon E3-1265L v3 – 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 E3-1265L v3 features 4 processor cores and has the capability to manage 8 threads concurrently.
It was released in Q2/2013 and belongs to the 4 generation of the Intel Xeon E3 series.
To use the Intel Xeon E3-1265L v3, you'll need a motherboard with a LGA 1150 socket.
The Intel Xeon E5-2650 v2 features 8 processor cores and has the capability to manage 16 threads concurrently.
It was released in Q3/2013 and belongs to the 4 generation of the Intel Xeon E5 series.
To use the Intel Xeon E5-2650 v2, you'll need a motherboard with a LGA 2011 socket.
Desktop / Server Segment Desktop / Server
Intel Xeon E3-1265L v3 Name Intel Xeon E5-2650 v2
Intel Xeon E3 Family Intel Xeon E5
4 Generation 4
Intel Xeon E3 v3 Group Intel Xeon E5 v2
 
 

CPU Cores and Base Frequency

The Intel Xeon E3-1265L v3 has 4 CPU cores and can calculate 8 threads in parallel.
The clock frequency of the Intel Xeon E3-1265L v3 is 2.5 GHz
and turbo frequency for one core is 3.7 GHz.
The Intel Xeon E5-2650 v2 has 8 CPU cores and can calculate 16 threads in parallel.
The clock frequency of the Intel Xeon E5-2650 v2 is 2.6 GHz
and turbo frequency for one core is 3.4 GHz.
The number of CPU cores greatly affects the speed of the processor and is an important performance indicator.
3.7 GHz Turbo Frequency (1 core) 3.4 GHz
No Overclocking No
normal Core architecture normal
2.5 GHz Frequency 2.6 GHz
8 Threads 16
3.7 GHz Turbo Frequency (all cores) 3.0 GHz
Yes Hyperthreading Yes
4 CPU Cores 8
4x Cores 8x
 
 

Internal Graphics

The Intel Xeon E3-1265L v3 has integrated graphics, called iGPU for short.
Specifically, the Intel Xeon E3-1265L v3 uses the Intel HD Graphics (Haswell GT1), which has 80 texture shaders
and 10 execution units.
The iGPU uses the system's main memory as graphics memory and sits on the processor's die.
The Intel Xeon E5-2650 v2 does not have integrated graphics.
0.35 GHz GPU frequency --
Q4/2012 Release date --
11.1 Direct X --
Intel HD Graphics (Haswell GT1) GPU name
22 nm Technology --
-- Max. displays --
80 Shaders --
2.0 GB Max. GPU Memory 0 bytes
10 Execution units --
7.5 Generation --
1.2 GHz GPU (Turbo) --
 
 

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

Memory & PCIe

The processor supports a maximum memory capacity of 32.0 GB distributed across 2 memory channels. It offers a peak memory bandwidth of 25.6 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 51.2 GB/s. Both the type and quantity of memory can have a substantial impact on the overall system performance.
2 Memory channels 4
32.0 GB Max. Memory 768.0 GB
pci PCIe pci
Yes AES-NI Yes
Yes ECC Yes
25.6 GB/s Bandwidth 51.2 GB/s
DDR3-1600 Memory type DDR3-1600
 
 

Thermal Management

The processor has a thermal design power (TDP) of 45 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 95 W watts.
-- Tjunction max --
45 W TDP (PL1 / PBP) 95 W
 
 

Technical details

The Intel Xeon E3-1265L v3 is manufactured using a 22 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 E5-2650 v2 is manufactured using a 22 nm process.
In total, this processor boasts a generous 20.0 MB cache.
Q2/2013 Release date Q3/2013
-- Part Number --
0 bytes L2-Cache 0 bytes
VT-x, VT-x EPT, VT-d Virtualization VT-x, VT-x EPT, VT-d
SSE4.1, SSE4.2, AVX2 ISA extensions SSE4.1, SSE4.2, AVX
Monolithic Chip design Monolithic
Haswell S Architecture Ivy Bridge EP
22 nm Technology 22 nm
LGA 1150 Socket LGA 2011
Windows 10, Linux Operating systems Windows 10, Linux
230 $ Release price 900 $
Technical data sheet Documents Technical data sheet
x86-64 (64 bit) Instruction set (ISA) x86-64 (64 bit)
8.0 MB L3-Cache 20.0 MB
 
 

Benchmarks

Geekbench 3, 64bit (Multi-Core)

Intel Xeon E5-2650 v2
8C 16T @ 2.6 GHz
31204
31204
Intel Xeon E3-1265L v3
4C 8T @ 2.5 GHz
11740
11740

Geekbench 6 (Multi-Core)

Intel Xeon E5-2650 v2
8C 16T @ 2.6 GHz
3808
3808
Intel Xeon E3-1265L v3
4C 8T @ 2.5 GHz
3711
3711

Geekbench 6 (Single-Core)

Intel Xeon E3-1265L v3
4C 8T @ 2.5 GHz
1166
1166
Intel Xeon E5-2650 v2
8C 16T @ 2.6 GHz
632
632