Intel Core i7-4940MX vs Intel Xeon E3-1280 v5

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CPU comparison with benchmarks

-VS-

CPU lineage

Intel Core i7-4940MX or Intel Core i7-4940MX – 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 Core i7-4940MX features 4 processor cores and has the capability to manage 8 threads concurrently.
It was released in Q4/2013 and belongs to the 4 generation of the Intel Core i7 Extreme Edition series.
To use the Intel Core i7-4940MX, you'll need a motherboard with a PGA 946 socket.
The Intel Xeon E3-1280 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 E3-1280 v5, you'll need a motherboard with a LGA 1151 socket.
Mobile Segment Desktop / Server
Intel Core i7-4940MX Name Intel Xeon E3-1280 v5
Intel Core i7 Extreme Edition Family Intel Xeon E3
4 Generation 5
Intel Core i 4000M/4000H Group Intel Xeon E3 v5
 
 

CPU Cores and Base Frequency

The Intel Core i7-4940MX has 4 CPU cores and can calculate 8 threads in parallel.
The clock frequency of the Intel Core i7-4940MX is 3.1 GHz
and turbo frequency for one core is 3.9 GHz.
The Intel Xeon E3-1280 v5 has 4 CPU cores and can calculate 8 threads in parallel.
The clock frequency of the Intel Xeon E3-1280 v5 is 3.7 GHz
and turbo frequency for one core is 4.0 GHz.
3.9 GHz Turbo Frequency (1 core) 4.0 GHz
Yes Overclocking No
normal Core architecture normal
3.1 GHz Frequency 3.7 GHz
8 Threads 8
3.9 GHz Turbo Frequency (all cores) 3.9 GHz
Yes Hyperthreading Yes
4 CPU Cores 4
4x Cores 4x
 
 

Internal Graphics

The Intel Core i7-4940MX has integrated graphics, called iGPU for short.
Specifically, the Intel Core i7-4940MX uses the Intel HD Graphics 4600, which has 160 texture shaders
and 20 execution units.
The iGPU uses the system's main memory as graphics memory and sits on the processor's die.
The Intel Xeon E3-1280 v5 does not have integrated graphics.
0.4 GHz GPU frequency --
Q2/2013 Release date --
11.1 Direct X --
Intel HD Graphics 4600 GPU name
22 nm Technology --
-- Max. displays --
160 Shaders --
2.0 GB Max. GPU Memory 0 bytes
20 Execution units --
7.5 Generation --
1.35 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 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.
2 Memory channels 2
32.0 GB Max. Memory 64.0 GB
pci PCIe pci
Yes AES-NI Yes
No ECC Yes
25.6 GB/s Bandwidth 34.1 GB/s
DDR3L-1600 Memory type DDR4-2133
 
 

Thermal Management

The processor has a thermal design power (TDP) of 57 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 80 W watts.
-- Tjunction max --
57 W TDP (PL1 / PBP) 80 W
 
 

Technical details

The Intel Core i7-4940MX 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 E3-1280 v5 is manufactured using a 14 nm process.
Q4/2013 Release date Q4/2015
-- 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, AVX2
Monolithic Chip design Monolithic
Haswell H Architecture Skylake S
22 nm Technology 14 nm
PGA 946 Socket LGA 1151
Windows 10, Linux Operating systems Windows 10, Linux
975 $ Release price --
Technical data sheet Documents Technical data sheet
x86-64 (64 bit) Instruction set (ISA) x86-64 (64 bit)
8.0 MB L3-Cache 8.0 MB
 
 

Benchmarks

Geekbench 3, 64bit (Multi-Core)

Intel Xeon E3-1280 v5
4C 8T @ 3.7 GHz
16602
16602
Intel Core i7-4940MX
4C 8T @ 3.1 GHz
12401
12401