Intel Core i7-3840QM vs Intel Core2 Duo E6700

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CPU comparison with benchmarks

-VS-

CPU lineage

Intel Core i7-3840QM or Intel Core i7-3840QM – 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 i7-3840QM features 4 processor cores and has the capability to manage 8 threads concurrently.
It was released in Q3/2012 and belongs to the 3 generation of the Intel Core i7 Extreme Edition series.
To use the Intel Core i7-3840QM, you'll need a motherboard with a PGA 988 socket.
The Intel Core2 Duo E6700 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 E6700, you'll need a motherboard with a LGA 775 socket.
Intel Core i 3000M Group Intel Core 2 Duo E4000/E6000
Mobile Segment Desktop / Server
3 Generation 1
Intel Core i7 Extreme Edition Family Intel Core2 Duo
Intel Core i7-3840QM Name Intel Core2 Duo E6700
 
 

CPU Cores and Base Frequency

The Intel Core i7-3840QM has 4 CPU cores and can calculate 8 threads in parallel.
The clock frequency of the Intel Core i7-3840QM is 2.8 GHz
and turbo frequency for one core is 3.8 GHz.
The Intel Core2 Duo E6700 has 2 CPU cores and can calculate 2 threads in parallel.
The clock frequency of the Intel Core2 Duo E6700 is 2.66 GHz
3.8 GHz Turbo Frequency (1 core) None
8 Threads 2
4x Cores 2x
normal Core architecture normal
Yes Hyperthreading No
2.8 GHz Frequency 2.66 GHz
4 CPU Cores 2
Yes Overclocking Yes
 
 

Internal Graphics

The Intel Core i7-3840QM has integrated graphics, called iGPU for short.
Specifically, the Intel Core i7-3840QM uses the Intel HD Graphics 4000, which has 128 texture shaders
and 16 execution units.
The iGPU uses the system's main memory as graphics memory and sits on the processor's die.
The Intel Core2 Duo E6700 does not have integrated graphics.
Intel HD Graphics 4000 GPU name
-- Max. displays --
22 nm Technology --
2.0 GB Max. GPU Memory 0 bytes
7 Generation --
0.65 GHz GPU frequency --
11.0 Direct X --
16 Execution units --
128 Shaders --
Q1/2011 Release date --
1.3 GHz GPU (Turbo) --
 
 

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

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.
pci PCIe pci
Yes AES-NI No
No ECC No
25.6 GB/s Bandwidth --
2 Memory channels 2
32.0 GB Max. Memory 16.0 GB
DDR3L-1600, DDR3L-1333, DDR3-1333, DDR3-1600 Memory type DDR3-1333, DDR2-1066
 
 

Thermal Management

The processor has a thermal design power (TDP) of 45 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.
105 °C Tjunction max --
45 W TDP (PL1 / PBP) 65 W
 
 

Technical details

The Intel Core i7-3840QM 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 Core2 Duo E6700 is manufactured using a 65 nm process.
22 nm Technology 65 nm
Ivy Bridge H Architecture Conroe (Core)
PGA 988 Socket LGA 775
-- Part Number --
Monolithic Chip design Monolithic
SSE4.1, SSE4.2, AVX ISA extensions SSE3, MMX, SSE, SSE2
8.0 MB L3-Cache 0 bytes
Windows 10, Linux Operating systems Windows 10, Linux
568 $ Release price --
Technical data sheet Documents Technical data sheet
VT-x, VT-x EPT Virtualization VT-x
Q3/2012 Release date Q3/2006
0 bytes L2-Cache 4.0 MB
x86-64 (64 bit) Instruction set (ISA) x86-64 (64 bit)