Qualcomm Snapdragon 665 vs Qualcomm Snapdragon 678

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CPU comparison with benchmarks

-VS-

CPU lineage

Qualcomm Snapdragon 665 or Qualcomm Snapdragon 665 – 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 Qualcomm Snapdragon 665 features 8 processor cores and has the capability to manage 8 threads concurrently.
It was released in Q2/2019 and belongs to the 7 generation of the Qualcomm Snapdragon series.
The Qualcomm Snapdragon 678 features 8 processor cores and has the capability to manage 8 threads concurrently.
It was released in Q4/2020 and belongs to the 7 generation of the Qualcomm Snapdragon series.
Mobile Segment Mobile
Qualcomm Snapdragon 665 Name Qualcomm Snapdragon 678
Qualcomm Snapdragon Family Qualcomm Snapdragon
7 Generation 7
Qualcomm Snapdragon 662/665 Group Qualcomm Snapdragon 675/678
 
 

CPU Cores and Base Frequency

The Qualcomm Snapdragon 665 has 8 CPU cores and can calculate 8 threads in parallel.
The clock frequency of the A-Core is 2.0 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.
The Qualcomm Snapdragon 678 has 8 CPU cores and can calculate 8 threads in parallel.
The clock frequency of the A-Core is 2.2 GHz.
1.8 GHz B-Core Frequency 1.7 GHz
2.0 GHz A-Core Frequency 2.2 GHz
4x Kryo 260 Silver Cores B 6x Kryp 460 Silver
4x Kryo 260 Gold Cores A 2x Kryo 460 Gold
No Overclocking No
hybrid (big.LITTLE) Core architecture hybrid (big.LITTLE)
8 Threads 8
No Hyperthreading No
8 CPU Cores 8
 
 

Internal Graphics

The Qualcomm Snapdragon 665 has integrated graphics, called iGPU for short.
Specifically, the Qualcomm Snapdragon 665 uses the Qualcomm Adreno 610, which has 128 texture shaders
The iGPU uses the system's main memory as graphics memory and sits on the processor's die.
The Qualcomm Snapdragon 678 has integrated graphics, called iGPU for short.
-- GPU frequency 0.85 GHz
Q2/2019 Release date Q4/2015
12.1 Direct X 12.1
Qualcomm Adreno 610 GPU name Qualcomm Adreno 612
11 nm Technology 11 nm
-- Max. displays --
128 Shaders --
4.0 GB Max. GPU Memory 0 bytes
-- Execution units --
6 Generation 6
-- GPU (Turbo) 0.85 GHz
 
 

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

Memory & PCIe

2 Memory channels 2
0 bytes Max. Memory 0 bytes
pci PCIe pci
No AES-NI No
No ECC No
-- Bandwidth --
LPDDR3-1866, LPDDR4X-1866 Memory type LPDDR4X-1866
 
 

Thermal Management

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.
-- Tjunction max --
 
 

Technical details

The Qualcomm Snapdragon 665 is manufactured using a 11 nm process.
A smaller manufacturing process indicates a more contemporary and energy-efficient CPU.
A substantial cache can significantly enhance the processor's performance, particularly in scenarios like gaming.
The Qualcomm Snapdragon 678 is manufactured using a 11 nm process.
Q2/2019 Release date Q4/2020
SM6125 Part Number SM6150-AC
0 bytes L2-Cache 0 bytes
None Virtualization None
ISA extensions
Chiplet Chip design Chiplet
Kryo 260 Architecture Kryo 460
11 nm Technology 11 nm
Socket
Android Operating systems Android
-- Release price --
Technical data sheet Documents Technical data sheet
ARMv8-A64 (64 bit) Instruction set (ISA) ARMv8-A64 (64 bit)
0 bytes L3-Cache 0 bytes