Intel Core i5-661 vs MediaTek Dimensity 800U

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CPU comparison with benchmarks

-VS-

CPU lineage

Intel Core i5-661 or Intel Core i5-661 – 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 i5-661 features 2 processor cores and has the capability to manage 4 threads concurrently.
It was released in Q1/2010 and belongs to the 1 generation of the Intel Core i5 series.
To use the Intel Core i5-661, you'll need a motherboard with a LGA 1156 socket.
The MediaTek Dimensity 800U features 8 processor cores and has the capability to manage 8 threads concurrently.
It was released in Q3/2020 and belongs to the 1 generation of the Mediatek Dimensity series.
Intel Core i5 600 Group MediaTek Dimensity 700/720/800
1 Generation 1
Desktop / Server Segment Mobile
Intel Core i5-661 Name MediaTek Dimensity 800U
Intel Core i5 Family Mediatek Dimensity
 
 

CPU Cores and Base Frequency

The Intel Core i5-661 has 2 CPU cores and can calculate 4 threads in parallel.
The clock frequency of the Intel Core i5-661 is 3.33 GHz
and turbo frequency for one core is 3.6 GHz.
The MediaTek Dimensity 800U has 8 CPU cores and can calculate 8 threads in parallel.
The clock frequency of the A-Core is 2.4 GHz.
The number of CPU cores greatly affects the speed of the processor and is an important performance indicator.
Processors with hybrid (big.LITTLE) architecture strike a balance between performance and power efficiency, making them ideal for mobile devices.
4 Threads 8
2x Cores None
None None 2.0 GHz
2 CPU Cores 8
normal Core architecture hybrid (big.LITTLE)
None None 2x Cortex-A76
Yes Hyperthreading No
None None 2.4 GHz
No Overclocking No
None None 6x Cortex-A55
3.6 GHz Turbo Frequency (1 core) None
3.33 GHz Frequency None
 
 

Internal Graphics

The Intel Core i5-661 has integrated graphics, called iGPU for short.
Specifically, the Intel Core i5-661 uses the Intel HD Graphics (Westmere), which has 24 texture shaders
and 12 execution units.
The iGPU uses the system's main memory as graphics memory and sits on the processor's die.
The MediaTek Dimensity 800U has integrated graphics, called iGPU for short.
Specifically, the MediaTek Dimensity 800U uses the ARM Mali-G57 MP3, which has 48 texture shaders
and 3 execution units.
24 Shaders 48
Q1/2010 Release date Q2/2020
32 nm Technology 7 nm
10.1 Direct X 12
2.0 GB Max. GPU Memory 4.0 GB
-- Max. displays --
12 Execution units 3
0.5 GHz GPU frequency 0.95 GHz
5 Generation Vallhall 1
0.9 GHz GPU (Turbo) --
Intel HD Graphics (Westmere) GPU name ARM Mali-G57 MP3
 
 

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

Memory & PCIe

The processor supports a maximum memory capacity of 16.0 GB distributed across 2 memory channels. It offers a peak memory bandwidth of 21.0 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
DDR3-1066, DDR3-1333 Memory type LPDDR4X-2133
No ECC No
16.0 GB Max. Memory 12.0 GB
2 Memory channels 2
21.0 GB/s Bandwidth --
 
 

Thermal Management

The processor has a thermal design power (TDP) of 73 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.
73 W TDP (PL1 / PBP) None
-- Tjunction max --
 
 

Technical details

The Intel Core i5-661 is manufactured using a 32 nm process.
A smaller manufacturing process indicates a more contemporary and energy-efficient CPU.
In total, this processor boasts a generous 4.0 MB cache.
A substantial cache can significantly enhance the processor's performance, particularly in scenarios like gaming.
The MediaTek Dimensity 800U is manufactured using a 7 nm process.
Q1/2010 Release date Q3/2020
VT-x, VT-x EPT, VT-d Virtualization None
SSE4.1, SSE4.2 ISA extensions
32 nm Technology 7 nm
Monolithic Chip design Chiplet
177 $ Release price --
Clarkdale Architecture Cortex-A76 / Cortex-A55
4.0 MB L3-Cache 0 bytes
Windows 10, Linux Operating systems Android
Technical data sheet Documents Technical data sheet
x86-64 (64 bit) Instruction set (ISA) ARMv8-A64 (64 bit)
-- Part Number MT6853V/TNZA MT6853T
LGA 1156 Socket
512.0 KB L2-Cache 0 bytes