AMD Athlon II X4 651K vs Intel Xeon E3-1265L v3

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CPU comparison with benchmarks

-VS-

CPU lineage

AMD Athlon II X4 651K or AMD Athlon II X4 651K – 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 AMD Athlon II X4 651K features 4 processor cores and has the capability to manage 4 threads concurrently.
It was released in Q4/2011 and belongs to the 2 generation of the AMD Athlon II series.
To use the AMD Athlon II X4 651K, you'll need a motherboard with a FM1 socket.
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.
AMD Athlon II X4 (Llano) Group Intel Xeon E3 v3
2 Generation 4
AMD Athlon II X4 651K Name Intel Xeon E3-1265L v3
Desktop / Server Segment Desktop / Server
AMD Athlon II Family Intel Xeon E3
 
 

CPU Cores and Base Frequency

The AMD Athlon II X4 651K has 4 CPU cores and can calculate 4 threads in parallel.
The clock frequency of the AMD Athlon II X4 651K is 3.0 GHz
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.
4 Threads 8
None None 3.7 GHz
None None 3.7 GHz
normal Core architecture normal
3.0 GHz Frequency 2.5 GHz
4 CPU Cores 4
Yes Overclocking No
No Hyperthreading Yes
4x Cores 4x
 
 

Internal Graphics

The AMD Athlon II X4 651K does not have integrated 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.
-- GPU (Turbo) 1.2 GHz
-- Technology 22 nm
-- Direct X 11.1
0 bytes Max. GPU Memory 2.0 GB
-- Execution units 10
-- Release date Q4/2012
GPU name Intel HD Graphics (Haswell GT1)
-- Shaders 80
-- GPU frequency 0.35 GHz
-- Generation 7.5
-- Max. displays --
 
 

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

Memory & PCIe

The processor supports a maximum memory capacity of 16.0 GB distributed across 2 memory channels. It offers a peak memory bandwidth of 21.3 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 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.
DDR3-1333 Memory type DDR3-1600
21.3 GB/s Bandwidth 25.6 GB/s
No AES-NI Yes
No ECC Yes
pci PCIe pci
16.0 GB Max. Memory 32.0 GB
2 Memory channels 2
 
 

Thermal Management

The processor has a thermal design power (TDP) of 100 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 45 W watts.
100 W TDP (PL1 / PBP) 45 W
-- Tjunction max --
 
 

Technical details

The AMD Athlon II X4 651K is manufactured using a 32 nm process.
A smaller manufacturing process indicates a more contemporary and energy-efficient CPU.
A substantial cache can significantly enhance the processor's performance, particularly in scenarios like gaming.
The Intel Xeon E3-1265L v3 is manufactured using a 22 nm process.
In total, this processor boasts a generous 8.0 MB cache.
AMD-V Virtualization VT-x, VT-x EPT, VT-d
32 nm Technology 22 nm
x86-64 (64 bit) Instruction set (ISA) x86-64 (64 bit)
SSE3, SSE4a, MMX, 3DNow! ISA extensions SSE4.1, SSE4.2, AVX2
-- Part Number --
-- Chip design Monolithic
Q4/2011 Release date Q2/2013
-- Release price 230 $
4.0 MB L2-Cache 0 bytes
Technical data sheet Documents Technical data sheet
0 bytes L3-Cache 8.0 MB
FM1 Socket LGA 1150
Windows 10, Linux Operating systems Windows 10, Linux
Llano Architecture Haswell S