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Qualcomm Snapdragon 660

The Qualcomm Snapdragon 660 (SD660) is a fast mid-range ARM-based SoC largely found on Android tablets and smartphones. Announced in mid 2017, the SD660 is the successor to the Snapdragon 625. It features 8 Kryo 260 cores (custom design, 64-Bit capable) that are divided in two clusters. A fast cluster of four cores with up to 2.2 GHz and a power saving efficiency cluster with up to 1.8 GHz. Both clusters can also used together.

In addition to the 8 CPU cores, the SoC integrates a mid range Adreno 512 GPU with a LPDDR4 memory controller (dual-channel 1866 MHz)  and supports Wi-Fi (802.11ac + MIMO, max. 867 Mbps), Bluetooth 5, and LTE (X12 LTE modem with up to 600 Mbps download and 150 Mbps upload).

Performance

In Benchmarks of the Oppo R11, the CPU part of the Snapdragon SD660 performs between former high end Socs like the Snapdragon 821 in the Pixel XL and the Snapdragon 835. The graphics performance is however much lower, as the Adreno 512 is only a slight upgrade of the older Adreno 510 (due to the higher clock speed).

CPU

The Snapdragon 660 is based on a similar concept as ARM's big.LITTLE, which combines a low power CPU cluster (2x Kyro clocked at up to 1.8 GHz) and a performance CPU cluster (2x Kyro clocked at up to 2.2 GHz). The clock speed of each cluster can be individually adjusted (but not per core) and the lowest clock speed is 310 MHz (unverified).

Power Consumption

Thanks to the new 14 nm process, the energy efficiency has been improved noticeably compared to its 20 nm predecessors.

SeriesQualcomm Snapdragon
CodenameKryo 260
Series: Snapdragon Kryo 260
Qualcomm Snapdragon 665 (compare)2200 MHz8 / 8
» Qualcomm Snapdragon 6602200 MHz8 / 8
Qualcomm Snapdragon 636 (compare)1800 MHz8 / 8
Clock Rate2200 MHz
Number of Cores / Threads8 / 8
Manufacturing Technology14 nm
FeaturesAdreno 512 GPU, X12 LTE Modem, Hexagon 680 DSP, Specra ISP
GPUQualcomm Adreno 512 ( - 850 MHz)
64 Bit64 Bit support
Announcement Date05/09/2017
Product Link (external)Qualcomm Snapdragon 660

Benchmarks

3DMark - Ice Storm Unlimited Physics 1280x720 offscreen
min: 15088     avg: 19242.4     median: 19890 (23%)     max: 21016 Points
3DMark - Sling Shot Extreme (ES 3.1) Unlimited Physics 2560x1440
min: 2121     avg: 2657.6     median: 2758 (35%)     max: 2797 Points
3DMark - Sling Shot OpenGL ES 3.0 Unlimited Physics 2560x1440
min: 2238     avg: 2694.8     median: 2752 (54%)     max: 2815 Points
Geekbench 2 - 32 Bit - Memory
min: 2981     avg: 2995.5     median: 2995 (27%)     max: 3010 Points
Geekbench 2 - 32 Bit - Floating Point
min: 9892     avg: 10223     median: 10223 (17%)     max: 10554 Points
Geekbench 4.4 - 64 Bit Single-Core Score
min: 1431     avg: 1597.8     median: 1617 (26%)     max: 1646 Points
Geekbench 4.4 - 64 Bit Multi-Core Score
min: 4895     avg: 5693.6     median: 5850 (10%)     max: 5913 Points
Mozilla Kraken 1.1 - Total Score *
min: 3796     avg: 4056.8     median: 3942 (7%)     max: 4768 ms
Octane V2 - Total Score
min: 8463     avg: 10079.6     median: 10174 (19%)     max: 10945 Points
AnTuTu v6 - Total Score
min: 105973     avg: 116194     median: 117165 (40%)     max: 120479 Points
PCMark for Android - Storage score
min: 2889     avg: 4477.8     median: 4552 (16%)     max: 5913 Points
PCMark for Android - Work 2.0 performance score
min: 5789     avg: 6012     median: 6047 (51%)     max: 6187 Points
PCMark for Android - Work performance score
min: 6274     avg: 6653.8     median: 6687 (34%)     max: 7026 Points
- Range of benchmark values for this graphics card
- Average benchmark values for this graphics card
* Smaller numbers mean a higher performance

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