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.
Intel Core i7 Family Intel Core i7
Mobile Segment Mobile
Intel Core i 8000U Group Intel Core i 2000M
8 Generation 2
Intel Core i7-8665UE Name Intel Core i7-2649M
 
 

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.
4.4 GHz Turbo Frequency (1 core) 3.2 GHz
8 Threads 4
4 CPU Cores 2
4x Cores 2x
normal Core architecture normal
1.7 GHz Frequency 2.3 GHz
No Overclocking No
Yes Hyperthreading Yes
 
 

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.
14 nm Technology 32 nm
12 Direct X 10.1
Q3/2016 Release date Q1/2011
1.15 GHz GPU (Turbo) 1.1 GHz
0.3 GHz GPU frequency 0.5 GHz
24 Execution units 12
Intel UHD Graphics 620 GPU name Intel HD Graphics 3000
16.0 GB Max. GPU Memory 2.0 GB
9.5 Generation 6
192 Shaders 96
-- Max. displays --
 
 

Artificial Intelligence and Machine Learning

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

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

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.
No ECC No
64.0 GB Max. Memory 8.0 GB
38.4 GB/s Bandwidth 21.3 GB/s
pci PCIe pci
Yes AES-NI Yes
DDR4-2400 Memory type DDR3-1066, DDR3-1333
2 Memory channels 2
 
 

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.
25 W TDP up None
12.5 W TDP down None
100 °C Tjunction max 100 °C
15 W TDP (PL1 / PBP) 25 W
 
 

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
BGA 1356 Socket BGA 1023
-- Part Number --
8.0 MB L3-Cache 4.0 MB
Technical data sheet Documents Technical data sheet
Monolithic Chip design Monolithic
Whiskey Lake U Architecture Sandy Bridge H
SSE4.1, SSE4.2, AVX2 ISA extensions SSE4.1, SSE4.2, AVX
0 bytes L2-Cache 0 bytes
x86-64 (64 bit) Instruction set (ISA) x86-64 (64 bit)
Windows 10, Linux, Windows 11 Operating systems Windows 10, Linux
VT-x, VT-x EPT, VT-d Virtualization VT-x, VT-x EPT
Q2/2019 Release date Q1/2011