CPU comparison with benchmarks
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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.
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Mobile |
Segment |
Desktop / Server |
Intel Core i7-3840QM |
Name |
Intel Core2 Duo E6700 |
Intel Core i 3000M |
Group |
Intel Core 2 Duo E4000/E6000 |
3 |
Generation |
1 |
Intel Core i7 Extreme Edition |
Family |
Intel Core2 Duo |
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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
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Yes |
Overclocking |
Yes |
3.8 GHz |
Turbo Frequency (1 core) |
None |
8 |
Threads |
2 |
Yes |
Hyperthreading |
No |
4x |
Cores |
2x |
2.8 GHz |
Frequency |
2.66 GHz |
4 |
CPU Cores |
2 |
normal |
Core architecture |
normal |
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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.
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0.65 GHz |
GPU frequency |
-- |
16 |
Execution units |
-- |
Q1/2011 |
Release date |
-- |
1.3 GHz |
GPU (Turbo) |
-- |
-- |
Max. displays |
-- |
128 |
Shaders |
-- |
2.0 GB |
Max. GPU Memory |
0 bytes |
7 |
Generation |
-- |
11.0 |
Direct X |
-- |
22 nm |
Technology |
-- |
Intel HD Graphics 4000 |
GPU name |
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Artificial Intelligence and Machine Learning |
-- |
AI specifications |
-- |
-- |
AI hardware |
-- |
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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.
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No |
h265 / HEVC (8 bit) |
-- |
No |
AV1 |
-- |
No |
VP9 |
-- |
Decode |
VC-1 |
-- |
No |
VP8 |
-- |
Decode / Encode |
h264 |
-- |
Decode |
JPEG |
-- |
Decode / Encode |
AVC |
-- |
No |
h265 / HEVC (10 bit) |
-- |
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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.
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32.0 GB |
Max. Memory |
16.0 GB |
DDR3L-1600, DDR3L-1333, DDR3-1333, DDR3-1600 |
Memory type |
DDR3-1333, DDR2-1066 |
pci |
PCIe |
pci |
Yes |
AES-NI |
No |
25.6 GB/s |
Bandwidth |
-- |
No |
ECC |
No |
2 |
Memory channels |
2 |
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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.
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45 W |
TDP (PL1 / PBP) |
65 W |
105 °C |
Tjunction max |
-- |
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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.
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Windows 10, Linux |
Operating systems |
Windows 10, Linux |
0 bytes |
L2-Cache |
4.0 MB |
SSE4.1, SSE4.2, AVX |
ISA extensions |
SSE3, MMX, SSE, SSE2 |
8.0 MB |
L3-Cache |
0 bytes |
Q3/2012 |
Release date |
Q3/2006 |
568 $ |
Release price |
-- |
Technical data sheet |
Documents |
Technical data sheet |
-- |
Part Number |
-- |
PGA 988 |
Socket |
LGA 775 |
Ivy Bridge H |
Architecture |
Conroe (Core) |
VT-x, VT-x EPT |
Virtualization |
VT-x |
22 nm |
Technology |
65 nm |
Monolithic |
Chip design |
Monolithic |
x86-64 (64 bit) |
Instruction set (ISA) |
x86-64 (64 bit) |
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