Intel Core i5-10400T vs Intel Core2 Duo E6400

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CPU comparison with benchmarks

-VS-

CPU lineage

Intel Core i5-10400T or Intel Core i5-10400T – 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 i5-10400T features 6 processor cores and has the capability to manage 12 threads concurrently.
It was released in Q2/2020 and belongs to the 10 generation of the Intel Core i5 series.
To use the Intel Core i5-10400T, you'll need a motherboard with a LGA 1200 socket.
The Intel Core2 Duo E6400 features 2 processor cores and has the capability to manage 2 threads concurrently.
It was released in Q3/2006 and belongs to the 1 generation of the Intel Core2 Duo series.
To use the Intel Core2 Duo E6400, you'll need a motherboard with a LGA 775 socket.
Intel Core i5-10400T Name Intel Core2 Duo E6400
Desktop / Server Segment Desktop / Server
10 Generation 1
Intel Core i 10000 Group Intel Core 2 Duo E4000/E6000
Intel Core i5 Family Intel Core2 Duo
 
 

CPU Cores and Base Frequency

The Intel Core i5-10400T has 6 CPU cores and can calculate 12 threads in parallel.
The clock frequency of the Intel Core i5-10400T is 2.0 GHz
and turbo frequency for one core is 3.6 GHz.
The number of CPU cores greatly affects the speed of the processor and is an important performance indicator.
The Intel Core2 Duo E6400 has 2 CPU cores and can calculate 2 threads in parallel.
The clock frequency of the Intel Core2 Duo E6400 is 2.13 GHz
Yes Hyperthreading No
3.2 GHz Turbo Frequency (all cores) None
3.6 GHz Turbo Frequency (1 core) None
No Overclocking Yes
12 Threads 2
2.0 GHz Frequency 2.13 GHz
6x Cores 2x
normal Core architecture normal
6 CPU Cores 2
 
 

Internal Graphics

The Intel Core i5-10400T has integrated graphics, called iGPU for short.
Specifically, the Intel Core i5-10400T uses the Intel UHD Graphics 630, which has 192 texture shaders
and 24 execution units.
The iGPU uses the system's main memory as graphics memory and sits on the processor's die.
The Intel Core2 Duo E6400 does not have integrated graphics.
-- Max. displays --
1.2 GHz GPU (Turbo) --
64.0 GB Max. GPU Memory 0 bytes
14 nm Technology --
0.35 GHz GPU frequency --
192 Shaders --
12 Direct X --
Q4/2017 Release date --
Intel UHD Graphics 630 GPU name
24 Execution units --
9.5 Generation --
 
 

Artificial Intelligence and Machine Learning

-- AI hardware --
-- AI specifications --
 
 

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

Memory & PCIe

The processor supports a maximum memory capacity of 128.0 GB distributed across 2 memory channels. It offers a peak memory bandwidth of 45.8 GB/s. Both the type and quantity of memory can have a substantial impact on the overall system performance.
2 Memory channels 2
DDR4-2933 Memory type DDR3-1333, DDR2-1066
No ECC No
pci PCIe pci
128.0 GB Max. Memory 16.0 GB
45.8 GB/s Bandwidth --
Yes AES-NI No
 
 

Thermal Management

The processor has a thermal design power (TDP) of 35 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 65 W watts.
100 °C Tjunction max --
35 W TDP (PL1 / PBP) 65 W
 
 

Technical details

The Intel Core i5-10400T is manufactured using a 14 nm process.
A smaller manufacturing process indicates a more contemporary and energy-efficient CPU.
In total, this processor boasts a generous 12.0 MB cache.
A substantial cache can significantly enhance the processor's performance, particularly in scenarios like gaming.
The Intel Core2 Duo E6400 is manufactured using a 65 nm process.
Windows 10, Linux, Windows 11 Operating systems Windows 10, Linux
LGA 1200 Socket LGA 775
12.0 MB L3-Cache 0 bytes
14 nm Technology 65 nm
182 $ Release price --
Technical data sheet Documents Technical data sheet
SSE4.1, SSE4.2, AVX2 ISA extensions SSE3, MMX, SSE, SSE2
VT-x, VT-x EPT, VT-d Virtualization VT-x
Q2/2020 Release date Q3/2006
-- Part Number --
Comet Lake S Architecture Conroe (Core)
Monolithic Chip design Monolithic
0 bytes L2-Cache 2.0 MB
x86-64 (64 bit) Instruction set (ISA) x86-64 (64 bit)