Intel Core2 Duo E6420 vs Intel Core i7-4790

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CPU comparison with benchmarks

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CPU lineage

Intel Core2 Duo E6420 or Intel Core2 Duo E6420 – 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 Core2 Duo E6420 features 2 processor cores and has the capability to manage 2 threads concurrently.
It was released in Q2/2007 and belongs to the 1 generation of the Intel Core2 Duo series.
To use the Intel Core2 Duo E6420, you'll need a motherboard with a LGA 775 socket.
The Intel Core i7-4790 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 i7-4790, you'll need a motherboard with a LGA 1150 socket.
Desktop / Server Segment Desktop / Server
Intel Core2 Duo E6420 Name Intel Core i7-4790
Intel Core2 Duo Family Intel Core i7
1 Generation 4
Intel Core 2 Duo E4000/E6000 Group Intel Core i 4000
 
 

CPU Cores and Base Frequency

The Intel Core2 Duo E6420 has 2 CPU cores and can calculate 2 threads in parallel.
The clock frequency of the Intel Core2 Duo E6420 is 2.13 GHz
The Intel Core i7-4790 has 4 CPU cores and can calculate 8 threads in parallel.
The clock frequency of the Intel Core i7-4790 is 3.6 GHz
and turbo frequency for one core is 4.0 GHz.
2 Threads 8
None None 3.8 GHz
No Hyperthreading Yes
2x Cores 4x
Yes Overclocking No
normal Core architecture normal
2.13 GHz Frequency 3.6 GHz
None None 4.0 GHz
2 CPU Cores 4
 
 

Internal Graphics

The Intel Core2 Duo E6420 does not have integrated graphics.
The Intel Core i7-4790 has integrated graphics, called iGPU for short.
Specifically, the Intel Core i7-4790 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.
-- GPU frequency 0.35 GHz
-- Release date Q2/2013
-- Direct X 11.1
GPU name Intel HD Graphics 4600
-- Technology 22 nm
-- Max. displays --
-- Shaders 160
0 bytes Max. GPU Memory 2.0 GB
-- Execution units 20
-- Generation 7.5
-- 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.
-- AVC Decode / Encode
-- VC-1 Decode
-- VP9 No
-- h265 / HEVC (10 bit) No
-- h264 Decode / Encode
-- VP8 No
-- h265 / HEVC (8 bit) No
-- JPEG Decode
-- 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
16.0 GB Max. Memory 32.0 GB
pci PCIe pci
No AES-NI Yes
No ECC No
-- Bandwidth 25.6 GB/s
DDR3-1333, DDR2-1066 Memory type DDR3-1600
 
 

Thermal Management

The processor has a thermal design power (TDP) of 65 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 84 W watts.
-- Tjunction max --
65 W TDP (PL1 / PBP) 84 W
 
 

Technical details

The Intel Core2 Duo E6420 is manufactured using a 65 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 Core i7-4790 is manufactured using a 22 nm process.
In total, this processor boasts a generous 8.0 MB cache.
Q2/2007 Release date Q2/2014
-- Part Number --
4.0 MB L2-Cache 0 bytes
VT-x Virtualization VT-x, VT-x EPT, VT-d
SSE3, MMX, SSE, SSE2 ISA extensions SSE4.1, SSE4.2, AVX2
Monolithic Chip design Monolithic
Conroe (Core) Architecture Haswell S
65 nm Technology 22 nm
LGA 775 Socket LGA 1150
Windows 10, Linux Operating systems Windows 10, Linux
-- Release price 280 $
Technical data sheet Documents Technical data sheet
x86-64 (64 bit) Instruction set (ISA) x86-64 (64 bit)
0 bytes L3-Cache 8.0 MB
 
 

Benchmarks