Qualcomm Snapdragon 780G vs Qualcomm Snapdragon 855

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CPU comparison with benchmarks

-VS-

CPU lineage

Qualcomm Snapdragon 780G or Qualcomm Snapdragon 780G – 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 780G features 8 processor cores and has the capability to manage 8 threads concurrently.
It was released in Q2/2021 and belongs to the 4 generation of the Qualcomm Snapdragon series.
The Qualcomm Snapdragon 855 features 8 processor cores and has the capability to manage 8 threads concurrently.
It was released in Q4/2018 and belongs to the 6 generation of the Qualcomm Snapdragon series.
Mobile Segment Mobile
Qualcomm Snapdragon 780G Name Qualcomm Snapdragon 855
Qualcomm Snapdragon Family Qualcomm Snapdragon
4 Generation 6
Qualcomm Snapdragon 780 Group Qualcomm Snapdragon 855/860
 
 

CPU Cores and Base Frequency

The Qualcomm Snapdragon 780G 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.
The Qualcomm Snapdragon 855 has 8 CPU cores and can calculate 8 threads in parallel.
The clock frequency of the A-Core is 2.84 GHz.
4x Kryo 670 Silver Cores C 4x Kryo 485 Silver
1.9 GHz C-Core Frequency 1.8 GHz
2.2 GHz B-Core Frequency 2.42 GHz
2.4 GHz A-Core Frequency 2.84 GHz
3x Kryo 670 Gold Cores B 3x Kryo 485 Gold
1x Kryo 670 Prime Cores A 1x Kryo 485 Prime
No Overclocking No
hybrid (Prime / big.LITTLE) Core architecture hybrid (Prime / big.LITTLE)
8 Threads 8
No Hyperthreading No
8 CPU Cores 8
 
 

Internal Graphics

The Qualcomm Snapdragon 780G has integrated graphics, called iGPU for short.
Specifically, the Qualcomm Snapdragon 780G uses the Qualcomm Adreno 642, which has 384 texture shaders
and 4 execution units.
The iGPU uses the system's main memory as graphics memory and sits on the processor's die.
The Qualcomm Snapdragon 855 has integrated graphics, called iGPU for short.
Specifically, the Qualcomm Snapdragon 855 uses the Qualcomm Adreno 640, which has 384 texture shaders
-- GPU frequency 0.25 GHz
Q2/2021 Release date Q1/2019
12.0 Direct X 12.0
Qualcomm Adreno 642 GPU name Qualcomm Adreno 640
5 nm Technology 7 nm
-- Max. displays --
384 Shaders 384
4.0 GB Max. GPU Memory 4.0 GB
4 Execution units 4
5 Generation 5
-- GPU (Turbo) 0.59 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 No
Decode VC-1 No
Decode / Encode VP9 Decode / Encode
Decode / Encode h265 / HEVC (10 bit) Decode / Encode
Decode / Encode h264 Decode / Encode
Decode / Encode VP8 Decode / Encode
Decode / Encode h265 / HEVC (8 bit) Decode / Encode
Decode / Encode JPEG No
No AV1 No
 
 

Memory & PCIe

The processor supports a maximum memory capacity of 16.0 GB distributed across 4 memory channels. It offers a peak memory bandwidth of 55.3 GB/s. Both the type and quantity of memory can have a substantial impact on the overall system performance.
2 Memory channels 4
16.0 GB Max. Memory 16.0 GB
pci PCIe pci
No AES-NI No
No ECC No
-- Bandwidth 55.3 GB/s
LPDDR4X-2133 Memory type LPDDR4X-4266
 
 

Thermal Management

The processor has a thermal design power (TDP) of 5 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.
-- Tjunction max --
5 W TDP (PL1 / PBP) None
 
 

Technical details

The Qualcomm Snapdragon 780G is manufactured using a 5 nm process.
A smaller manufacturing process indicates a more contemporary and energy-efficient CPU.
In total, this processor boasts a generous 2.0 MB cache.
A substantial cache can significantly enhance the processor's performance, particularly in scenarios like gaming.
The Qualcomm Snapdragon 855 is manufactured using a 7 nm process.
Q2/2021 Release date Q4/2018
SM7350 Part Number SM8150
0 bytes L2-Cache 1.8 MB
None Virtualization None
ISA extensions
Chiplet Chip design Chiplet
Kryo 670 Architecture Kryo 485
5 nm Technology 7 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)
2.0 MB L3-Cache 2.0 MB