Intel Core i7-4940MX vs Intel Core i7-4790T

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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 Core i7-4790T features 4 processor cores and has the capability to manage 8 threads concurrently.
It was released in Q2/2014 and belongs to the 4 generation of the Intel Core i7 series.
To use the Intel Core i7-4790T, you'll need a motherboard with a LGA 1150 socket.
Mobile Segment Desktop / Server
Intel Core i7-4940MX Name Intel Core i7-4790T
Intel Core i7 Extreme Edition Family Intel Core i7
4 Generation 4
Intel Core i 4000M/4000H Group Intel Core i 4000
 
 

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 Core i7-4790T has 4 CPU cores and can calculate 8 threads in parallel.
The clock frequency of the Intel Core i7-4790T is 2.7 GHz
3.9 GHz Turbo Frequency (1 core) 3.9 GHz
Yes Overclocking No
normal Core architecture normal
3.1 GHz Frequency 2.7 GHz
8 Threads 8
3.9 GHz Turbo Frequency (all cores) 3.2 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 Core i7-4790T has integrated graphics, called iGPU for short.
Specifically, the Intel Core i7-4790T uses the Intel HD Graphics 4600, which has 160 texture shaders
0.4 GHz GPU frequency 0.35 GHz
Q2/2013 Release date Q2/2013
11.1 Direct X 11.1
Intel HD Graphics 4600 GPU name Intel HD Graphics 4600
22 nm Technology 22 nm
-- Max. displays --
160 Shaders 160
2.0 GB Max. GPU Memory 2.0 GB
20 Execution units 20
7.5 Generation 7.5
1.35 GHz GPU (Turbo) 1.2 GHz
 
 

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

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.
2 Memory channels 2
32.0 GB Max. Memory 32.0 GB
pci PCIe pci
Yes AES-NI Yes
No ECC No
25.6 GB/s Bandwidth 25.6 GB/s
DDR3L-1600 Memory type DDR3-1600
 
 

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 45 W watts.
-- Tjunction max --
57 W TDP (PL1 / PBP) 45 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 Core i7-4790T is manufactured using a 22 nm process.
Q4/2013 Release date Q2/2014
-- 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 Haswell S
22 nm Technology 22 nm
PGA 946 Socket LGA 1150
Windows 10, Linux Operating systems Windows 10, Linux
975 $ Release price 275 $
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 Core i7-4790T
4C 8T @ 2.7 GHz
12713
12713
Intel Core i7-4940MX
4C 8T @ 3.1 GHz
12401
12401

Geekbench 6 (Multi-Core)

Intel Core i7-4940MX
4C 8T @ 3.1 GHz
4303
4303
Intel Core i7-4790T
4C 8T @ 2.7 GHz
3401
3401

Geekbench 3, 64bit (Single-Core)

Intel Core i7-4940MX
4C 8T @ 3.1 GHz
4260
4260
Intel Core i7-4790T
4C 8T @ 2.7 GHz
3813
3813

Geekbench 5, 64bit (Multi-Core)

Intel Core i7-4940MX
4C 8T @ 3.1 GHz
3538
3538
Intel Core i7-4790T
4C 8T @ 2.7 GHz
3148
3148

Geekbench 6 (Single-Core)

Intel Core i7-4790T
4C 8T @ 2.7 GHz
1186
1186
Intel Core i7-4940MX
4C 8T @ 3.1 GHz
1091
1091