Intel Core i7-8665UE vs Intel Core i7-2649M

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CPU comparison with benchmarks

-VS-

CPU lineage

Intel Core i7-8665UE or Intel Core i7-8665UE – 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 i7-8665UE features 4 processor cores and has the capability to manage 8 threads concurrently.
It was released in Q2/2019 and belongs to the 8 generation of the Intel Core i7 series.
To use the Intel Core i7-8665UE, you'll need a motherboard with a BGA 1356 socket.
The Intel Core i7-2649M features 2 processor cores and has the capability to manage 4 threads concurrently.
It was released in Q1/2011 and belongs to the 2 generation of the Intel Core i7 series.
To use the Intel Core i7-2649M, you'll need a motherboard with a BGA 1023 socket.
8 Generation 2
Intel Core i7-8665UE Name Intel Core i7-2649M
Intel Core i7 Family Intel Core i7
Mobile Segment Mobile
Intel Core i 8000U Group Intel Core i 2000M
 
 

CPU Cores and Base Frequency

The Intel Core i7-8665UE has 4 CPU cores and can calculate 8 threads in parallel.
The clock frequency of the Intel Core i7-8665UE is 1.7 GHz
and turbo frequency for one core is 4.4 GHz.
The Intel Core i7-2649M has 2 CPU cores and can calculate 4 threads in parallel.
The clock frequency of the Intel Core i7-2649M is 2.3 GHz
and turbo frequency for one core is 3.2 GHz.
8 Threads 4
Yes Hyperthreading Yes
1.7 GHz Frequency 2.3 GHz
4 CPU Cores 2
normal Core architecture normal
4.4 GHz Turbo Frequency (1 core) 3.2 GHz
4x Cores 2x
No Overclocking No
 
 

Internal Graphics

The Intel Core i7-8665UE has integrated graphics, called iGPU for short.
Specifically, the Intel Core i7-8665UE uses the Intel UHD Graphics 620, 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 Core i7-2649M has integrated graphics, called iGPU for short.
Specifically, the Intel Core i7-2649M uses the Intel HD Graphics 3000, which has 96 texture shaders
and 12 execution units.
Intel UHD Graphics 620 GPU name Intel HD Graphics 3000
192 Shaders 96
14 nm Technology 32 nm
0.3 GHz GPU frequency 0.5 GHz
24 Execution units 12
1.15 GHz GPU (Turbo) 1.1 GHz
12 Direct X 10.1
9.5 Generation 6
16.0 GB Max. GPU Memory 2.0 GB
Q3/2016 Release date Q1/2011
-- Max. displays --
 
 

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

Memory & PCIe

The processor supports a maximum memory capacity of 64.0 GB distributed across 2 memory channels. It offers a peak memory bandwidth of 38.4 GB/s. Both the type and quantity of memory can have a substantial impact on the overall system performance.
The processor supports a maximum memory capacity of 8.0 GB distributed across 2 memory channels. It offers a peak memory bandwidth of 21.3 GB/s. Both the type and quantity of memory can have a substantial impact on the overall system performance.
Yes AES-NI Yes
No ECC No
pci PCIe pci
DDR4-2400 Memory type DDR3-1066, DDR3-1333
2 Memory channels 2
64.0 GB Max. Memory 8.0 GB
38.4 GB/s Bandwidth 21.3 GB/s
 
 

Thermal Management

The processor has a thermal design power (TDP) of 15 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 25 W watts.
100 °C Tjunction max 100 °C
12.5 W TDP down None
15 W TDP (PL1 / PBP) 25 W
25 W TDP up None
 
 

Technical details

The Intel Core i7-8665UE 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 8.0 MB cache.
A substantial cache can significantly enhance the processor's performance, particularly in scenarios like gaming.
The Intel Core i7-2649M is manufactured using a 32 nm process.
In total, this processor boasts a generous 4.0 MB cache.
409 $ Release price 270 $
14 nm Technology 32 nm
x86-64 (64 bit) Instruction set (ISA) x86-64 (64 bit)
Technical data sheet Documents Technical data sheet
0 bytes L2-Cache 0 bytes
8.0 MB L3-Cache 4.0 MB
SSE4.1, SSE4.2, AVX2 ISA extensions SSE4.1, SSE4.2, AVX
VT-x, VT-x EPT, VT-d Virtualization VT-x, VT-x EPT
-- Part Number --
Monolithic Chip design Monolithic
BGA 1356 Socket BGA 1023
Whiskey Lake U Architecture Sandy Bridge H
Q2/2019 Release date Q1/2011
Windows 10, Linux, Windows 11 Operating systems Windows 10, Linux