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Snapdragon 665 vs Snapdragon 660

We compared two 8-core processors: Qualcomm Snapdragon 665 (with Adreno 610 graphics) and Snapdragon 660 (Adreno 512). 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 665
  • Announced 1-year and 11-months later
  • Has a smaller size transistor (11 versus 14 nm)
  • Performs 26% better in floating-point computations
  • Shows better (up to 11%) AnTuTu 8 score – 172K vs 155K
Pros of Qualcomm Snapdragon 660
  • Supports 100% higher memory bandwidth (29.8 against 14.9 GB/s)
  • Higher GPU frequency (~42%)
  • 10% higher CPU clock speed (2200 vs 2000 MHz)

Benchmarks

Performance tests in popular benchmarks

AnTuTu 8

The AnTuTu Benchmark measures CPU, GPU, RAM, and I/O performance in different scenarios
172306
CPU 71698 69937
GPU 33657 24360
Memory 42670 32441
UX 32113 27977
Total score 172306 155501

GeekBench 5

The GeekBench test shows raw single-threaded and multithreaded CPU performance
Single-Core Score
Multi-Core Score
Image compression 87.65 Mpixels/s 88.7 Mpixels/s
Face detection 12.2 images/s 12 images/s
Speech recognition 21.45 words/s 24.1 words/s
Machine learning 16.65 images/s 18.3 images/s
Camera shooting 10.9 images/s 11 images/s
HTML 5 1.8 Mnodes/s 1.76 Mnodes/s
SQLite 468 Krows/s 487.4 Krows/s

Gaming

Table of average FPS and graphics settings in mobile games
PUBG Mobile 29 FPS
[Low]
-
Call of Duty: Mobile 28 FPS
[Ultra]
-
Fortnite 27 FPS
[Low]
-
Shadowgun Legends 53 FPS
[Low]
-
World of Tanks Blitz 57 FPS
[Medium]
-
Mobile Legends: Bang Bang 30 FPS
[High]
-
Device Xiaomi Redmi Note 8T
1080 x 2340
-
We provide average results. FPS may differ, depending on game version, OS and other factors.

Specifications

Full list of technical specifications of Snapdragon 665 and Snapdragon 660

CPU

Architecture 4x 2 GHz – Kryo 260 Gold (Cortex-A73)
4x 1.8 GHz – Kryo 260 Silver (Cortex-A53)
4x 2.2 GHz – Kryo 260 Gold (Cortex-A73)
4x 1.84 GHz – Kryo 260 Silver (Cortex-A53)
Cores 8 8
Frequency 2000 MHz 2200 MHz
Instruction set ARMv8-A ARMv8-A
L2 cache 1 MB 2 MB
Process 11 nanometers 14 nanometers
Transistor count - 1.75 billion
TDP 5 W 9 W

Graphics

GPU name Adreno 610 Adreno 512
Architecture Adreno 600 Adreno 500
GPU frequency 600 MHz 850 MHz
Execution units 2 1
Shading units 96 128
FLOPS 273 Gigaflops 217 Gigaflops
Vulkan version 1.1 1.0
OpenCL version 2.0 2.0
DirectX version 12 12

Memory

Memory type LPDDR4X LPDDR4X
Memory frequency 1866 MHz 1866 MHz
Bus 2x 16 Bit 2x 32 Bit
Max bandwidth 14.9 Gbit/s 29.8 Gbit/s
Max size 8 GB 8 GB

Multimedia (ISP)

Neural processor (NPU) Hexagon 686 Hexagon 680
Storage type eMMC 5.1, UFS 2.1 UFS 2.1
Max display resolution 2520 x 1080 2560 x 1600
Max camera resolution 1x 48MP, 2x 16MP 1x 48MP, 2x 16MP
Video capture 4K at 30FPS 4K at 30FPS
Video playback 4K at 60FPS 4K at 30FPS
Video codecs H.264, H.265, VP8, VP9 H.264, H.265, VP8, VP9
Audio codecs AIFF, CAF, MP3, MP4, WAV AAC LC, MP3, HE-AACv1, HE-AACv2, FLAC

Connectivity

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

Info

Announced April 2019 May 2017
Class Mid range Mid range
Model number SM6125 SDM660
Official page Qualcomm Snapdragon 665 official site Qualcomm Snapdragon 660 official site

Cast your vote

So, which SoC would you choose?
613 (58.9%)
427 (41.1%)
Total votes: 1040

Comments

Please give your opinion on the comparison of Snapdragon 660 and Snapdragon 665, or ask any questions
Avatar
VRM 02 March 2021 14:41
S665 is better than S660 in terms of artificial intelligence (AI) Hexagon 686 for S665 Hexagon 680 for S660
+4 Reply
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Jay 24 October 2020 12:14
Adreno 610 is more than 96 alus.
+19 Reply
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Akhtar 19 October 2020 17:06
How many snapdragon 665 transistor count?
+45 Reply
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Amjad khan 07 July 2020 05:57
Snapdragon 665 seems to be better than 660 but what about the benchmarks where snapdragon 660 is winner?
+93 Reply
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DikanR 11 July 2020 02:12
it may should be caused by the GPU Clock and also The Snapdragon 660 (SDM660) Had a 1.75 Billion of Transistor and 175 GigaFlops of FLOPS when the Snapdragon 665 (SDM6125) don't.
+68 Reply
Avatar
Unknown user 20 July 2021 10:22
DikanR, Maybe because the L2 cache and the clock speed is bigger and faster
0 Reply