Snapdragon 4 Gen 2 vs Snapdragon 665

Snapdragon 4 Gen 2 vs Snapdragon 665

Compare the Snapdragon 4 Gen 2 and Snapdragon 665 to understand their release dates, performance, features, benchmarks, connectivity, and overall capabilities before choosing a smartphone.
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In summary

The Snapdragon 4 Gen 2 vs Snapdragon 665 comparison clearly favours the Snapdragon 4 Gen 2. Built on a 4nm process with 5G support, it delivers better performance and power efficiency than the Snapdragon 665, which uses an 11nm process and supports 4G only. It also scores around 460,000 in AnTuTu, compared to 365,000 for the Snapdragon 665.


Key highlights:


  • Process technology: Snapdragon 4 Gen 2 uses a 4nm process, while Snapdragon 665 is built on 11nm technology.
  • Performance: Snapdragon 4 Gen 2 achieves an AnTuTu score of around 460,000, compared to 365,000 for the Snapdragon 665.
  • Graphics: Snapdragon 4 Gen 2 features the Adreno 613 GPU, while Snapdragon 665 uses the Adreno 610 GPU.
  • Memory and storage: Snapdragon 4 Gen 2 supports LPDDR5 memory and UFS 3.1 storage, whereas Snapdragon 665 supports LPDDR4X memory and UFS 2.1 storage.
  • Connectivity: Snapdragon 4 Gen 2 includes the Snapdragon X61 5G modem, while Snapdragon 665 uses the Snapdragon X12 LTE modem with 4G connectivity only.

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Snapdragon 4 Gen 2 vs Snapdragon 665 - Overview

The Snapdragon 4 Gen 2 is the better processor, offering a 4nm process and 5G connectivity, while the Snapdragon 665 is built on an 11nm process and supports 4G only. The newer chipset also features the Adreno 613 GPU running at up to 955MHz, compared to the Adreno 610 GPU at up to 600MHz on the Snapdragon 665.

The Snapdragon 4 Gen 2 delivers improved CPU efficiency with newer Kryo cores, supports LPDDR5 memory, and includes the Snapdragon X61 5G modem. In comparison, the Snapdragon 665 supports LPDDR4X memory and the Snapdragon X12 LTE modem, making it suitable for older 4G smartphones. Both processors are designed for budget and mid-range devices, but the Snapdragon 4 Gen 2 provides faster performance, better power efficiency, and support for modern connectivity. The table below compares their key specifications to help you choose the right chipset.


Key specifications

SpecificationSnapdragon 4 Gen 2Snapdragon 665
Release date26 June 20239 April 2019
Model numberSM4450SM6125
ClassEntry-levelMid-range
Process technology4nm11nm
CPU2 × Kryo CPU (A78-based) + 6 × Kryo CPU (A55-based)4 × Kryo 260 Gold + 4 × Kryo 260 Silver
CPU frequencyUp to 2.2GHzUp to 2.0GHz
GPUAdreno 613Adreno 610
GPU frequencyUp to 955MHzUp to 600MHz
Memory typeLPDDR5, LPDDR4XLPDDR4X
Memory bandwidthUp to 25.6GB/sUp to 14.9GB/s
Maximum RAM8GB8GB
Storage supportUFS 3.1, UFS 2.2UFS 2.1, eMMC 5.1
AI engineQualcomm AI Engine3rd Gen Qualcomm AI Engine
Maximum camera support108MP48MP
Video recording1080p at 60fps4K at 30fps
ModemSnapdragon X61 5GSnapdragon X12 LTE
5G supportYesNo
Wi-FiWi-Fi 5Wi-Fi 5
BluetoothBluetooth 5.1Bluetooth 5.1

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Snapdragon 4 Gen 2 vs Snapdragon 665 - Technical specifications

General info

Both the Snapdragon 4 Gen 2 and Snapdragon 665 are mid-range processors designed for smartphones. The Snapdragon 4 Gen 2 was announced more recently, targeting budget-friendly devices with a focus on efficiency and connectivity. The Snapdragon 665, on the other hand, is known for its balanced performance and has been widely used in mid-range smartphones.

ComponentSnapdragon 4 Gen 2Snapdragon 665
Announced26 June 202309 April 2019
ClassMid-rangeMid-range
Model numberSM4450SM6125
BrandQualcommQualcomm

CPU

The Snapdragon 4 Gen 2 uses newer Kryo CPU cores built on a 4nm process, offering better power efficiency than the Snapdragon 665. The Snapdragon 665 uses Kryo 260 CPU cores on an 11nm process, making it suitable for everyday tasks but less efficient.

ComponentSnapdragon 4 Gen 2Snapdragon 665
ArchitectureKryo CPUKryo CPU
Cores8 (2x Cortex-A78, 6x Cortex-A55)8 (4x Cortex-A73, 4x Cortex-A53)
FrequencyUp to 2.2GHzUp to 2.0 GHz
Instruction setARMv8.2-AARMv8
Process4 nm11 nm
TDP (Sustained Power Limit)Not officially specifiedNot officially specified
ManufacturingSamsungTSMC

Graphics

The Snapdragon 4 Gen 2 features the Adreno 613 GPU, while the Snapdragon 665 uses the Adreno 610 GPU. The newer GPU delivers better graphics performance and improved power efficiency for gaming and multimedia.

ComponentSnapdragon 4 Gen 2Snapdragon 665
SoCQualcommQualcomm
GPU nameAdreno 613Adreno 610
ArchitectureAdreno Adreno
GPU frequency950 MHz600 MHz
Execution unitsNot officially specifiedNot officially specified
Shading unitsNot officially specifiedNot officially specified
Total shadersNot officially specifiedNot officially specified
FLOPSNot officially specifiedNot officially specified
Vulkan version1.11.1
OpenCL version2.02.0
DirectX version1212

Memory

The Snapdragon 4 Gen 2 supports LPDDR5 and LPDDR4X memory, delivering higher memory bandwidth than the Snapdragon 665, which supports LPDDR4X memory only.

ComponentSnapdragon 4 Gen 2Snapdragon 665
Memory typeLPDDR4XLPDDR4X
Memory frequencyUp to 3200MHz1866 MHz
Bus2 x 16-bit2 x 16-bit
Max bandwidth25.6GB/s14.9 GB/s
Max size8GB8GB

Multimedia (ISP)

The Snapdragon 4 Gen 2 supports newer storage technologies and higher camera resolutions than the Snapdragon 665. It is better suited for modern smartphones with improved photography and multimedia capabilities.

ComponentSnapdragon 4 Gen 2Snapdragon 665
Storage typeUFS 3.1, UFS 2.2UFS 2.1, eMMC 5.1
Max display resolutionFHD+FHD+
Max camera resolution108MP48 MP
Video capture4K at 30fps4K at 30fps
Video playback1080p at 60fps4K at 30fps
Video codecsH.264, H.265H.264, H.265
Audio codecsQualcomm Aqstic audio supportQualcomm Aqstic audio support


Connectivity and network

The Snapdragon 4 Gen 2 supports 5G connectivity through the Snapdragon X61 modem, while the Snapdragon 665 uses the Snapdragon X12 LTE modem with 4G connectivity. The newer chipset also offers improved wireless connectivity.

ComponentSnapdragon 4 Gen 2Snapdragon 665
ModemSnapdragon X61 5GSnapdragon X12 LTE
4G supportYesYes
5G supportYesNo
Download speedUp to 2.5 GbpsUp to 600 Mbps
Upload speedUp to 1.5 GbpsUp to 150 Mbps
Wi-FiWi-Fi 5Wi-Fi 5
Bluetooth5.15.0
NavigationGPS, GLONASS, BeiDou, GalileoGPS, GLONASS, BeiDou

Snapdragon 4 Gen 2 vs Snapdragon 665 - Benchmarking

The Snapdragon 4 Gen 2 performs better than the Snapdragon 665 in benchmark tests due to its newer 4nm process, updated Kryo CPU, and improved Adreno GPU. Benchmark scores highlight the difference in CPU, GPU, memory, and graphics performance. The sections below compare their AnTuTu 10, GeekBench 6, and 3DMark results.


AnTuTu 10

AnTuTu 10 measures overall processor performance by evaluating the CPU, GPU, memory, and user experience. The Snapdragon 4 Gen 2 achieves a higher overall score than the Snapdragon 665, reflecting its newer architecture and better efficiency.

ComponentSnapdragon 4 Gen 2Snapdragon 665
CPU161,131127,750
GPU47,36752,984
Memory116,02883,901
UX102,54395,099
Total score427,069359,734


GeekBench 6

GeekBench 6 evaluates CPU performance using single-core and multi-core workloads. The Snapdragon 4 Gen 2 records higher scores than the Snapdragon 665, delivering better responsiveness during everyday use and improved multitasking performance.

ComponentSnapdragon 4 Gen 2Snapdragon 665
Asset compression918335
HTML 5 Browse56.4 pages/s39.1 pages/s
PDF Render76.6 MP/sec49.3 MP/sec
Image detection43.1 frames/s12.7 frames/s
HDR68.7 MP/sec44.1 MP/sec
Background blur6.25 frames/s1.7 frames/s
Photo processing18.5 frames/s9.53 frames/s
Ray tracing2.89 MP/sec1.66 MP/sec

3DMark

3DMark measures GPU performance during demanding graphics workloads. The Snapdragon 4 Gen 2 delivers higher graphics performance than the Snapdragon 665, making it better suited for gaming and graphics-intensive applications.

ComponentSnapdragon 4 Gen 2Snapdragon 665
Stability95%90%
Graphics test1100850
Score45003600

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FAQs

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Which phones use Snapdragon 4 Gen 2 vs Snapdragon 665?

Smartphones powered by the Snapdragon 4 Gen 2 include the Redmi 12 5G, POCO M6 Pro 5G, Redmi Note 12R, and vivo Y36 5G (selected markets). The Snapdragon 665 powers devices such as the Redmi Note 8, realme 5, vivo U20, Nokia 5.4, and motorola One Macro. Availability may vary depending on the region and smartphone manufacturer.

No, the Snapdragon 665 is not equal to the Snapdragon 4 Gen 2. The Snapdragon 4 Gen 2 has a newer architecture, better performance, and additional features like 5G support, which the Snapdragon 665 lacks.
 

The Snapdragon 4 Gen 2 is more power-efficient than the Snapdragon 665. It is manufactured using a 4nm process, compared to the 11nm process used by the Snapdragon 665. The newer manufacturing process helps reduce power consumption while improving performance. It also supports LPDDR5 memory and newer CPU cores, allowing compatible smartphones to deliver better battery life during everyday use and multitasking.

The Snapdragon 4 Gen 2 offers several improvements over the Snapdragon 665. It features a 4nm process, 5G support, LPDDR5 memory compatibility, UFS 3.1 storage support, and the Adreno 613 GPU. The Snapdragon 665 uses an 11nm process, supports only 4G connectivity, LPDDR4X memory, UFS 2.1 storage, and the Adreno 610 GPU. These upgrades make the Snapdragon 4 Gen 2 better suited for newer smartphones.

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