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Snapdragon 855 vs Snapdragon 845

We compared two 8-core processors: Qualcomm Snapdragon 855 (with Adreno 640 graphics) and Snapdragon 845 (Adreno 630). Here you will find the pros and cons of each chip, technical specs, and comprehensive tests in benchmarks, like AnTuTu and Geekbench.

Review

General comparison of performance, power consumption, and other indicators
CPU Performance
Single and multi-core processor tests
Gaming Performance
GPU performance in games and OpenCL/Vulcan
Battery life
Efficiency of battery consumption
NanoReview Score
Overall chip score

Key Differences

Main differences and advantages of each chip
Pros of Qualcomm Snapdragon 855
  • Has a smaller size transistor (7 versus 10 nm)
  • Announced 1-year later
  • Performs 24% better in floating-point computations
  • Shows better (up to 19%) AnTuTu 8 score – 420K vs 354K
  • Supports 14% higher memory bandwidth (34.1 against 29.8 GB/s)
Pros of Qualcomm Snapdragon 845
  • Higher GPU frequency (~21%)
  • Better instruction set architecture

Benchmarks

Performance tests in popular benchmarks

AnTuTu 8

The AnTuTu Benchmark measures CPU, GPU, RAM, and I/O performance in different scenarios
420179
CPU 142660 101932
GPU 172185 144105
Memory 56295 56515
UX 53180 57020
Total score 420179 354012

GeekBench 5

The GeekBench test shows raw single-threaded and multithreaded CPU performance
Single-Core Score
Multi-Core Score
Image compression 143.55 Mpixels/s 128.5 Mpixels/s
Face detection 23.7 images/s 20.4 images/s
Speech recognition 44.8 words/s 37.8 words/s
Machine learning 45.65 images/s 35.8 images/s
Camera shooting 24.2 images/s 19.4 images/s
HTML 5 2.93 Mnodes/s 2.62 Mnodes/s
SQLite 783.05 Krows/s 686.3 Krows/s

Gaming

Table of average FPS and graphics settings in mobile games
PUBG Mobile 58 FPS
[Ultra]
53 FPS
[Ultra]
Call of Duty: Mobile 56 FPS
[Ultra]
55 FPS
[High]
Fortnite 28 FPS
[Ultra]
28 FPS
[Ultra]
Shadowgun Legends 51 FPS
[Ultra]
48 FPS
[High]
World of Tanks Blitz 59 FPS
[Ultra]
60 FPS
[Ultra]
Mobile Legends: Bang Bang 57 FPS
[Ultra]
56 FPS
[Ultra]
Device Xiaomi Mi 9T Pro
1080 x 2340
Xiaomi Pocophone F1
1080 x 2246
We provide average results. FPS may differ, depending on game version, OS and other factors.

Specifications

Full list of technical specifications of Snapdragon 855 and Snapdragon 845

CPU

Architecture 1x 2.84 GHz – Cortex-A76 (Kryo 485 Gold)
3x 2.42 GHz – Cortex-A76 (Kryo 485 Gold)
4x 1.8 GHz – Cortex-A55 (Kryo 485 Silver)
4x 2.8 GHz – Kryo 385 Gold (Cortex-A75)
4x 1.5 GHz – Kryo 385 Silver (Cortex-A55)
Cores 8 8
Frequency 2840 MHz 2800 MHz
Instruction set ARMv8.1-A ARMv8.2-A
L1 cache 384 KB 256 KB
L2 cache 768 KB 1 MB
L3 cache 2 MB 2 MB
Process 7 nanometers 10 nanometers
Transistor count 6.7 billion 3 billion
TDP 10 W 9 W

Graphics

GPU name Adreno 640 Adreno 630
Architecture Adreno 600 Adreno 600
GPU frequency 585 MHz 710 MHz
Execution units 2 2
Shading units 384 256
FLOPS 899 Gigaflops 727 Gigaflops
Vulkan version 1.1 1.0
OpenCL version 2.0 2.0
DirectX version 12 12

Memory

Memory type LPDDR4X LPDDR4X
Memory frequency 2133 MHz 1866 MHz
Bus 4x 16 Bit 4x 16 Bit
Max bandwidth 34.1 Gbit/s 29.8 Gbit/s
Max size 16 GB 8 GB

Multimedia (ISP)

Neural processor (NPU) Hexagon 690 Hexagon 685
Storage type UFS 3.0 UFS 2.1
Max display resolution 3840 x 2160 3840 x 2160
Max camera resolution 1x 48MP, 2x 24MP 1x 32MP, 2x 16MP
Video capture 4K at 120FPS 4K at 60FPS
Video playback 8K at 30FPS, 4K at 120FPS 4K at 120FPS
Video codecs H.264, H.265, VP8, VP9 H.264, H.265, VP9
Audio codecs AAC, AIFF, CAF, MP3, MP4, WAV DSD 32-бит/384 кГц

Connectivity

Modem X24 LTE, X50 5G X20 LTE
4G support LTE Cat. 20 LTE Cat. 18
5G support Yes No
Download speed Up to 2000 Mbps Up to 1200 Mbps
Upload speed Up to 316 Mbps Up to 150 Mbps
Wi-Fi 6 5
Bluetooth 5.0 5.0
Navigation GPS, GLONASS, Beidou, Galileo, QZSS, SBAS GPS, GLONASS

Info

Announced December 2018 December 2017
Class Flagship Flagship
Model number SM8150 SDM845
Official page Qualcomm Snapdragon 855 official site Qualcomm Snapdragon 845 official site

Cast your vote

So, which SoC would you choose?
314 (78.5%)
86 (21.5%)
Total votes: 400

Comments

Please give your opinion on the comparison of Snapdragon 845 and Snapdragon 855, or ask any questions
Avatar
.Jm 16 December 2020 14:13
please add comparison Snapdragon 690 vs 750g
+2 Reply