Snapdragon 845 vs Snapdragon 820

We compared the 8-core Qualcomm Snapdragon 845 (Adreno 630) with the older 4-core Snapdragon 820 (Adreno 530) SoC. 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 845
  • Has 4 more cores
  • Announced 2-years and 1-month later
  • Performs 46% better in floating-point computations
  • Shows significantly better (up to 54%) AnTuTu 9 score – 408K vs 265K
  • Has a smaller size transistor (10 versus 14 nm)
  • 27% higher CPU clock speed (2800 vs 2200 MHz)
  • Higher GPU frequency (~14%)
  • Better instruction set architecture

Benchmarks

Performance tests in popular benchmarks

AnTuTu 9

The AnTuTu Benchmark measures CPU, GPU, RAM, and I/O performance in different scenarios
408534
CPU 102046 71915
GPU 154472 90703
Memory 63407 44715
UX 87601 58026
Total score 408534 265918

GeekBench 5

The GeekBench test shows raw single-threaded and multithreaded CPU performance
Single-Core Score
Multi-Core Score
Image compression 128.5 Mpixels/s 48 Mpixels/s
Face detection 20.4 images/s 8.36 images/s
Speech recognition 37.8 words/s 19.45 words/s
Machine learning 35.8 images/s 17 images/s
Camera shooting 19.4 images/s 10.75 images/s
HTML 5 2.62 Mnodes/s 0.68 Mnodes/s
SQLite 686.3 Krows/s 231.4 Krows/s

Gaming

Table of average FPS and graphics settings in mobile games
PUBG Mobile 53 FPS
[Ultra]
-
Call of Duty: Mobile 55 FPS
[High]
-
Fortnite 28 FPS
[Ultra]
-
Shadowgun Legends 48 FPS
[High]
-
World of Tanks Blitz 60 FPS
[Ultra]
-
Mobile Legends: Bang Bang 56 FPS
[Ultra]
-
Device 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 845 and Snapdragon 820

CPU

Architecture 4x 2.8 GHz – Kryo 385 Gold (Cortex-A75)
4x 1.5 GHz – Kryo 385 Silver (Cortex-A55)
2x 2.2 GHz – Kryo
2x 1.6 GHz – Kryo
Cores 8 4
Frequency 2800 MHz 2200 MHz
Instruction set ARMv8.2-A ARMv8-A
L1 cache 256 KB 32 KB
L2 cache 1.5 MB -
L3 cache 2 MB -
Process 10 nanometers 14 nanometers
Transistor count 3 billion 2 billion
TDP 9 W 11 W

Graphics

GPU name Adreno 630 Adreno 530
Architecture Adreno 600 Adreno 500
GPU frequency 710 MHz 624 MHz
Execution units 2 2
Shading units 256 256
FLOPS 727 Gigaflops 498 Gigaflops
Vulkan version 1.0 1.1
OpenCL version 2.0 2.0
DirectX version 12 12

Memory

Memory type LPDDR4X LPDDR4
Memory frequency 1866 MHz 1866 MHz
Bus 2x 32 Bit 4x 16 Bit
Max bandwidth 29.8 Gbit/s 29.8 Gbit/s
Max size 8 GB 8 GB

Multimedia (ISP)

Neural processor (NPU) Hexagon 685 Hexagon 680
Storage type UFS 2.1 eMMC 5.1, UFS 2.0
Max display resolution 3840 x 2160 3840 x 2160
Max camera resolution 1x 32MP, 2x 16MP 1x 28MP, 2x 13MP
Video capture 4K at 60FPS 4K at 30FPS
Video playback 4K at 120FPS 4K at 30FPS
Video codecs H.264, H.265, VP9 H.264, H.265
Audio codecs AAC, AIFF, CAF, MP3, MP4, WAV AIFF, CAF, MP3, MP4, WAV

Connectivity

Modem X20 LTE X12
4G support LTE Cat. 18 LTE Cat. 12
5G support No No
Download speed Up to 1200 Mbps Up to 600 Mbps
Upload speed Up to 150 Mbps Up to 150 Mbps
Wi-Fi 5 5
Bluetooth 5.0 4.1
Navigation GPS, GLONASS, Beidou, Galileo, QZSS, SBAS GPS, GLONASS, Beidou, Galileo, QZSS, SBAS

Info

Announced December 2017 November 2015
Class Flagship Flagship
Model number SDM845 MSM8996
Official page Qualcomm Snapdragon 845 official site Qualcomm Snapdragon 820 official site

Cast your vote

So, which SoC would you choose?
44 (83%)
9 (17%)
Total votes: 53

Comments

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