Qualcomm Snapdragon 660 vs Qualcomm Snapdragon 636

Qualcomm Snapdragon 660

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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.

Qualcomm Snapdragon 636

► remove Qualcomm 636

The Qualcomm Snapdragon 636 (SDM636) is a mid-range octa-core SoC with eight custom Kryo 260 cores at up to 1.8 GHz, an Adreno 509 GPU, a LPDDR4-2666 memory controller (1333 MHz) and a X12 LTE (Cat 12/13, 300 Mbps down, 150 Mbps up) modem. Furthermore, the chip supports 802.11ac WiFi and Bluetooth 5.0. It is manufactured in 14nm FinFet. Qualcomm states a 40% faster performance compared to the old Snapdragon 630 (8x ARM Cortex-A53).

Qualcomm Snapdragon 660Qualcomm Snapdragon 636
Qualcomm SnapdragonQualcomm Snapdragon
Kryo 260Kryo 260
: Snapdragon Kryo 260
» Qualcomm Snapdragon 6602200 MHz8 / 8
Qualcomm Snapdragon 6361800 MHz8 / 8
Qualcomm Snapdragon 6602200 MHz8 / 8
» Qualcomm Snapdragon 6361800 MHz8 / 8
2200 MHz1800 MHz
8 / 88 / 8
14 14
Adreno 512 GPU, X12 LTE Modem, Hexagon 680 DSP, Specra ISPAdreno 509 GPU, X12 LTE Modem, Hexagon 680 DSP, Spectra 160 ISP
iGPUQualcomm Adreno 512 ( - 850 MHz)Qualcomm Adreno 509
Qualcomm Snapdragon 660Qualcomm Snapdragon 636

3DMark - Ice Storm Unlimited Physics 1280x720 offscreen
100%
660 +
min: 19050     avg: 20109.6     median: 20173 (26%)     max: 21016 Points
85%
636 +
min: 16719     avg: 17286.3     median: 17065 (22%)     max: 19365 Points
3DMark - Sling Shot Extreme (ES 3.1) Unlimited Physics 2560x1440
100%
660 +
min: 2431     avg: 2679.2     median: 2764 (62%)     max: 2797 Points
86%
636 +
min: 2258     avg: 2379     median: 2384 (54%)     max: 2644 Points
3DMark - Sling Shot OpenGL ES 3.0 Unlimited Physics 2560x1440
100%
660 +
min: 2752     avg: 2769.8     median: 2758 (59%)     max: 2815 Points
86%
636 +
min: 2343     avg: 2400.8     median: 2372 (50%)     max: 2683 Points
Geekbench 2 - 32 Bit - Stream
100%
660 +
min: 1038     avg: 1079     median: 1079 (9%)     max: 1120 Points
187%
636 +
2016 Points (16%)
Geekbench 2 - 32 Bit - Memory
100%
660 +
min: 2981     avg: 2995.5     median: 2995.5 (27%)     max: 3010 Points
94%
636 +
2801 Points (25%)
Geekbench 2 - 32 Bit - Floating Point
100%
660 +
min: 9892     avg: 10223     median: 10223 (29%)     max: 10554 Points
80%
636 +
8155 Points (23%)
Geekbench 2 - 32 Bit - Integer
100%
660 +
min: 5295     avg: 5301.5     median: 5301.5 (16%)     max: 5308 Points
77%
636 +
4063 Points (13%)
Geekbench 2 - 32 Bit - Total Score
100%
660 +
min: 6031     avg: 6141     median: 6141 (23%)     max: 6251 Points
82%
636 +
5063 Points (19%)
Geekbench 4.0 - Compute RenderScript Score
100%
660 +
5802 Points (46%)
Geekbench 4.0 - 64 Bit Multi-Core Score
100%
660 +
min: 5846     avg: 5859.5     median: 5859.5 (21%)     max: 5873 Points
Geekbench 4.0 - 64 Bit Single-Core Score
100%
660 +
min: 1609     avg: 1628     median: 1628 (28%)     max: 1647 Points
Geekbench 4.1/4.2 - 64 Bit Single-Core Score
100%
660 +
min: 1579     avg: 1619     median: 1618.5 (26%)     max: 1646 Points
82%
636 +
min: 1323     avg: 1353.6     median: 1335 (21%)     max: 1506 Points
Geekbench 4.1/4.2 - 64 Bit Multi-Core Score
100%
660 +
min: 5806     avg: 5847     median: 5853 (16%)     max: 5867 Points
84%
636 +
min: 4781     avg: 4973.9     median: 4941 (14%)     max: 5426 Points
Mozilla Kraken 1.1 - Total Score *
100%
660 +
min: 3796.2     avg: 4104.6     median: 3937.3 (7%)     max: 4768.9 ms
99%
636 +
min: 4105.3     avg: 4629.9     median: 4733 (8%)     max: 4820 ms
Sunspider - 1.0 Total Score *
100%
660 +
630.1 ms (7%)
9121 ms (100%)
Octane V2 - Total Score
100%
660 +
min: 9582     avg: 10106.3     median: 10084.5 (21%)     max: 10945 Points
85%
636 +
min: 8273     avg: 8744.1     median: 8599 (18%)     max: 9746 Points
AnTuTu v6 - Total Score
100%
660 +
min: 110680     avg: 116608     median: 117066 (46%)     max: 120479 Points
82%
636 +
min: 92672     avg: 98721.9     median: 95603 (38%)     max: 125213 Points
AndEBench - Java
100%
660 +
3240 Iter./s (100%)
AndEBench - Native
100%
660 +
28882 Iter./s (95%)
PassMark PerformanceTest Mobile V1 - CPU Tests
100%
660 +
min: 186416     avg: 187414     median: 187414 (25%)     max: 188411 Points
84%
636 +
min: 157795     avg: 157981     median: 157981 (21%)     max: 158167 Points
PCMark for Android - Computer Vision score
100%
660 +
min: 3032     avg: 3335     median: 3411 (42%)     max: 3486 Points
90%
636 +
min: 3056     avg: 3059.5     median: 3059.5 (37%)     max: 3063 Points
PCMark for Android - Storage score
100%
660 +
min: 2889     avg: 4025     median: 3950 (25%)     max: 5311 Points
107%
636 +
min: 3406     avg: 4230     median: 4230 (27%)     max: 5054 Points
PCMark for Android - Work 2.0 performance score
100%
660 +
min: 5965     avg: 6041.6     median: 6047 (59%)     max: 6124 Points
94%
636 +
min: 0     avg: 5100.6     median: 5663 (55%)     max: 6068 Points
PCMark for Android - Work performance score
100%
660 +
min: 6332     avg: 6766.4     median: 6825 (50%)     max: 7026 Points
94%
636 +
min: 6040     avg: 6421.8     median: 6424.5 (47%)     max: 6999 Points

Average Benchmarks Qualcomm Snapdragon 660 → 100%

Average Benchmarks Qualcomm Snapdragon 636 → 88%

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* Smaller numbers mean a higher performance
1 This benchmark is not used for the average calculation

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> Notebook / Laptop Reviews and News > Benchmarks / Tech > Processor Comparison - Head 2 Head
Redaktion, 2017-09- 8 (Update: 2017-09-11)