Qualcomm Snapdragon 855 vs Qualcomm Snapdragon 778G

Last updated:

CPU comparison with benchmarks

-VS-

CPU lineage

Qualcomm Snapdragon 855 or Qualcomm Snapdragon 855 – 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 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.
The Qualcomm Snapdragon 778G 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.
Qualcomm Snapdragon 855/860 Group Qualcomm Snapdragon 778
6 Generation 4
Mobile Segment Mobile
Qualcomm Snapdragon 855 Name Qualcomm Snapdragon 778G
Qualcomm Snapdragon Family Qualcomm Snapdragon
 
 

CPU Cores and Base Frequency

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.
The number of CPU cores greatly affects the speed of the processor and is an important performance indicator.
The Qualcomm Snapdragon 778G has 8 CPU cores and can calculate 8 threads in parallel.
The clock frequency of the A-Core is 2.4 GHz.
4x Kryo 485 Silver Cores C 4x Kryo 670 Silver
8 Threads 8
2.42 GHz B-Core Frequency 2.2 GHz
8 CPU Cores 8
hybrid (Prime / big.LITTLE) Core architecture hybrid (Prime / big.LITTLE)
1x Kryo 485 Prime Cores A 1x Kryo 670 Prime
No Hyperthreading No
2.84 GHz A-Core Frequency 2.4 GHz
No Overclocking No
3x Kryo 485 Gold Cores B 3x Kryo 670 Gold
1.8 GHz C-Core Frequency 1.9 GHz
 
 

Internal Graphics

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
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 778G has integrated graphics, called iGPU for short.
Specifically, the Qualcomm Snapdragon 778G uses the Qualcomm Adreno 642L, which has 384 texture shaders
384 Shaders 384
Q1/2019 Release date Q2/2021
7 nm Technology 6 nm
12.0 Direct X 12.0
4.0 GB Max. GPU Memory 4.0 GB
-- Max. displays --
4 Execution units 4
0.25 GHz GPU frequency --
5 Generation 5
0.59 GHz GPU (Turbo) --
Qualcomm Adreno 640 GPU name Qualcomm Adreno 642L
 
 

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

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.
pci PCIe pci
No AES-NI No
LPDDR4X-4266 Memory type LPDDR5-3200
No ECC No
16.0 GB Max. Memory 0 bytes
4 Memory channels 2
55.3 GB/s Bandwidth --
 
 

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 855 is manufactured using a 7 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 778G is manufactured using a 6 nm process.
Q4/2018 Release date Q2/2021
None Virtualization None
ISA extensions
7 nm Technology 6 nm
Chiplet Chip design Chiplet
-- Release price --
Kryo 485 Architecture Kryo 670
2.0 MB L3-Cache 2.0 MB
Android Operating systems Android
Technical data sheet Documents Technical data sheet
ARMv8-A64 (64 bit) Instruction set (ISA) ARMv8-A64 (64 bit)
SM8150 Part Number SM7325
Socket
1.8 MB L2-Cache 0 bytes