Intel Core 2 Extreme QX6700 vs Intel Core2 Duo E8400

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CPU comparison with benchmarks

-VS-

CPU lineage

Intel Core 2 Extreme QX6700 or Intel Core 2 Extreme QX6700 – 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 2 Extreme QX6700 features 4 processor cores and has the capability to manage 4 threads concurrently.
It was released in Q4/2006 and belongs to the 1 generation of the Intel Core2 Extreme series.
To use the Intel Core 2 Extreme QX6700, you'll need a motherboard with a LGA 775 socket.
The Intel Core2 Duo E8400 features 2 processor cores and has the capability to manage 2 threads concurrently.
It was released in Q1/2008 and belongs to the 2 generation of the Intel Core2 Duo series.
To use the Intel Core2 Duo E8400, you'll need a motherboard with a LGA 775 socket.
Intel Core 2 Extreme QX6700 Name Intel Core2 Duo E8400
1 Generation 2
Desktop / Server Segment Desktop / Server
Intel Core2 Extreme Family Intel Core2 Duo
Intel Core 2 Extreme QX6000 Group Intel Core 2 Duo E7000/E8000
 
 

CPU Cores and Base Frequency

The Intel Core 2 Extreme QX6700 has 4 CPU cores and can calculate 4 threads in parallel.
The clock frequency of the Intel Core 2 Extreme QX6700 is 2.66 GHz
The Intel Core2 Duo E8400 has 2 CPU cores and can calculate 2 threads in parallel.
The clock frequency of the Intel Core2 Duo E8400 is 3.0 GHz
Yes Overclocking Yes
No Hyperthreading No
4x Cores 2x
2.66 GHz Frequency 3.0 GHz
normal Core architecture normal
4 CPU Cores 2
4 Threads 2
 
 

Internal Graphics

The Intel Core 2 Extreme QX6700 does not have integrated graphics.
The Intel Core2 Duo E8400 does not have integrated graphics.
-- Execution units --
GPU name
-- Direct X --
-- GPU frequency --
0 bytes Max. GPU Memory 0 bytes
-- GPU (Turbo) --
-- Generation --
-- Release date --
-- Max. displays --
-- Technology --
-- Shaders --
 
 

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.
-- JPEG --
-- AVC --
-- h265 / HEVC (8 bit) --
-- VP8 --
-- VC-1 --
-- AV1 --
-- VP9 --
-- h265 / HEVC (10 bit) --
-- h264 --
 
 

Memory & PCIe

pci PCIe pci
2 Memory channels 2
DDR3-1066, DDR2-800 Memory type DDR3-1333, DDR2-1066
16.0 GB Max. Memory 16.0 GB
No ECC No
-- Bandwidth --
No AES-NI No
 
 

Thermal Management

The processor has a thermal design power (TDP) of 130 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.
130 W TDP (PL1 / PBP) 65 W
-- Tjunction max --
 
 

Technical details

The Intel Core 2 Extreme QX6700 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 Core2 Duo E8400 is manufactured using a 45 nm process.
8.0 MB L2-Cache 6.0 MB
Windows 10, Linux Operating systems Windows 10, Linux
-- Part Number --
VT-x Virtualization VT-x
0 bytes L3-Cache 0 bytes
Kentsfield (Core) Architecture Wolfdale (Penryn)
x86-64 (64 bit) Instruction set (ISA) x86-64 (64 bit)
-- Release price --
Technical data sheet Documents Technical data sheet
SSE3, MMX, SSE2 ISA extensions SSE3, MMX, SSE, SSE2, SSE 4.1
Monolithic Chip design Monolithic
Q4/2006 Release date Q1/2008
LGA 775 Socket LGA 775
65 nm Technology 45 nm