Qualcomm Snapdragon 821 vs Qualcomm Snapdragon 7s Gen 4

Compared 2 processors: Qualcomm Snapdragon 821, vs Qualcomm Snapdragon 7s Gen 4. Below are specs, tests, pros and cons for each device

Review

Key Specs Qualcomm Snapdragon 821 and Qualcomm Snapdragon 7s Gen 4
Processor Performance
Single-Core Benchmark Score
Gaming Performance
Graphics and OpenCL/Vulkan tests
Energy Efficiency
Chip Power Efficiency
NanoReview Score
Overall score by NanoReview

Tests & specs

Specs & test comparison

Benchmarks

CPU performance comparison across tasks
AnTuTu 10
AnTuTu 10
Qualcomm Snapdragon 821
263454
Qualcomm Snapdragon 7s Gen 4
854884
CPU54955274580
GPU83353237549
Memory61751154592
UX63395188163
NanoReview Score263454854884
3DMark Wild Life
3DMark Wild Life
Qualcomm Snapdragon 821
891
Qualcomm Snapdragon 7s Gen 4
n/a
Graphics Test5 fpsn/a
GeekBench v6
Geekbench 6 (Single-Core)
Qualcomm Snapdragon 821
390
Qualcomm Snapdragon 7s Gen 4
1214
Geekbench 6 (Multi-Core)
Qualcomm Snapdragon 821
792
Qualcomm Snapdragon 7s Gen 4
3314
File Compression43.4 MB/sn/a
HTML5 Browser26.6 pages/sn/a
PDF Rendering35.3 MP/secn/a
Background Blur1.79 frames/sn/a
Photo Processing7.1 frames/sn/a
Image Detection9.82 frames/sn/a
HDR35.1 MP/secn/a
Ray Tracing993.9 MP/secn/a

Processor

Architecture - 2x 2.342 GHz – Kryo
- 2x 1.6 GHz – Kryo
- 1/2.7 (Kryo Prime Cortex-A720)
- 3/2.4 (Kryo Gold Cortex-A720)
- 4/1.8 (Kryo Silver Cortex-A520)
Process Samsung TSMC
Cores count 4 8
Frequency 2342 2700
Instruction set ARMv8-A ARMv9.2-A
L1 cache 64 KB n/a
L2 cache 1 MB n/a
Process tech. 14 nm 4 nm
Transistor count 2 billion n/a
Power (TDP) 11 W n/a

Graphics

GPU specifications including architecture, frequency, compute units, and support for graphics APIs (Vulkan, OpenCL, DirectX).
GPU Model Adreno 530 Adreno 810
Architecture Adreno 500 Adreno 800
GPU Frequency 653 MHz n/a
Execution Units 1 2
Shader Units 256 128
Total shader 256 256
FLOPS 334.3 GFLOPS n/a
Vulkan 1.0 1.3
OpenCL 2.0 3.0
DirectX 11 12.1

AI Acceleration

Specifications of the neural processor (NPU / DSP) responsible for machine learning and AI acceleration tasks.
Artificial Intelligence Hexagon 680 Yes

Memory

RAM
Memory Type LPDDR4 LPDDR5
Memory Frequency 1866 MHz 3200 MHz
Bus 4x16 bit 2x16 bit
Bandwidth 29.8 Gbit/s 25.6 Gbit/s
Max RAM 8 GB 16 GB

Multimedia

GPU, ISP capabilities, display and camera support, as well as audio and video codec compatibility.
Memory Type - eMMC 5.1
- UFS 2.0
- UFS 2.2
- UFS 3.1
Max. resolution 3840x2160 pixels 2900x1300 pixels
Camera 1x28 pixels 1x200 pixels
Video recording 4K at 30FPS 4K at 30FPS
Video quality 4K at 30FPS 4K at 30FPS
Video codecs - H.264
- H.265
- VP8
- VP9
- H.264
- H.265
- VP9
Audio codecs - AIFF
- CAF
- MP3
- MP4
- WAV
- AAC
- AIFF
- CAF
- MP3
- MP4
- WAV

Connectivity

Modem X12 Snapdragon X62 5G
4G Support LTE Cat. 12 LTE Cat. 18
5G Support No Yes
Download speed Up to 600 MB/s Up to 2900 MB/s
Upload speed Up to 150 MB/s Up to 1600 MB/s
Wi-Fi version 5 6
Bluetooth version 4.1 5.4
Navigation - GPS
- GLONASS
- Beidou
- Galileo
- GPS
- GLONASS
- Beidou
- Galileo
- QZSS
- NAVIC

Other

Announced August, 2016 yr August, 2025 yr
Class Flagship Mid-range
Codename MSM8996 Pro-AC SM7635-AC

Results

After analyzing the data, we consider Qualcomm Snapdragon 7s Gen 4 the clear winner in this comparison.

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