Qualcomm Snapdragon 870 vs Qualcomm Snapdragon 855

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CPU comparison with benchmarks

-VS-

CPU lineage

Qualcomm Snapdragon 870 or Qualcomm Snapdragon 870 – 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 870 features 8 processor cores and has the capability to manage 8 threads concurrently.
It was released in Q2/2021 and belongs to the 7 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.
Qualcomm Snapdragon 865/870 Group Qualcomm Snapdragon 855/860
7 Generation 6
Qualcomm Snapdragon 870 Name Qualcomm Snapdragon 855
Mobile Segment Mobile
Qualcomm Snapdragon Family Qualcomm Snapdragon
 
 

CPU Cores and Base Frequency

The Qualcomm Snapdragon 870 has 8 CPU cores and can calculate 8 threads in parallel.
The clock frequency of the A-Core is 3.2 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.
2.42 GHz B-Core Frequency 2.42 GHz
hybrid (Prime / big.LITTLE) Core architecture hybrid (Prime / big.LITTLE)
1x Kryo 585 Prime Cores A 1x Kryo 485 Prime
8 CPU Cores 8
4x Kryo 585 Silver Cores C 4x Kryo 485 Silver
No Overclocking No
1.8 GHz C-Core Frequency 1.8 GHz
No Hyperthreading No
3.2 GHz A-Core Frequency 2.84 GHz
3x Kryo 585 Gold Cores B 3x Kryo 485 Gold
8 Threads 8
 
 

Internal Graphics

The Qualcomm Snapdragon 870 has integrated graphics, called iGPU for short.
Specifically, the Qualcomm Snapdragon 870 uses the Qualcomm Adreno 650, which has 512 texture shaders
and 2 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
and 4 execution units.
0.67 GHz GPU (Turbo) 0.59 GHz
7 nm Technology 7 nm
12.0 Direct X 12.0
0 bytes Max. GPU Memory 4.0 GB
2 Execution units 4
Q4/2019 Release date Q1/2019
Qualcomm Adreno 650 GPU name Qualcomm Adreno 640
512 Shaders 384
0.25 GHz GPU frequency 0.25 GHz
6 Generation 5
-- 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) Decode / Encode
Decode / Encode VP9 Decode / Encode
Decode / Encode VP8 Decode / Encode
Decode VC-1 No
Decode / Encode JPEG No
Decode / Encode h264 Decode / Encode
Decode / Encode h265 / HEVC (10 bit) Decode / Encode
Decode AVC 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.
LPDDR4X-4266, LPDDR5-5500 Memory type LPDDR4X-4266
-- Bandwidth 55.3 GB/s
No AES-NI No
No ECC No
pci PCIe pci
16.0 GB Max. Memory 16.0 GB
4 Memory channels 4
 
 

Thermal Management

The processor has a thermal design power (TDP) of 10 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.
10 W TDP (PL1 / PBP) None
-- Tjunction max --
 
 

Technical details

The Qualcomm Snapdragon 870 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 3.0 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.
In total, this processor boasts a generous 2.0 MB cache.
None Virtualization None
7 nm Technology 7 nm
ARMv8-A64 (64 bit) Instruction set (ISA) ARMv8-A64 (64 bit)
ISA extensions
SM8250-AC Part Number SM8150
Chiplet Chip design Chiplet
Q2/2021 Release date Q4/2018
-- Release price --
2.0 MB L2-Cache 1.8 MB
Technical data sheet Documents Technical data sheet
3.0 MB L3-Cache 2.0 MB
Socket
Android Operating systems Android
Kryo 585 Architecture Kryo 485
 
 

Qualcomm Snapdragon 870 and Qualcomm Snapdragon 855 in leaderboards