Qualcomm Snapdragon 8c vs Qualcomm Snapdragon 8cx

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CPU comparison with benchmarks


Qualcomm Snapdragon 8c CPU1 vs CPU2 Qualcomm Snapdragon 8cx
Qualcomm Snapdragon 8c Qualcomm Snapdragon 8cx

CPU comparison

Qualcomm Snapdragon 8c or Qualcomm Snapdragon 8cx - which processor is faster? In this comparison we look at the differences and analyze which of these two CPUs is better. We compare the technical data and benchmark results.

The Qualcomm Snapdragon 8c has 8 cores with 8 threads and clocks with a maximum frequency of 2.45 GHz. Up to 16 GB of memory is supported in 4 memory channels. The Qualcomm Snapdragon 8c was released in Q4/2019.

The Qualcomm Snapdragon 8cx has 8 cores with 8 threads and clocks with a maximum frequency of 2.84 GHz. The CPU supports up to 16 GB of memory in 8 memory channels. The Qualcomm Snapdragon 8cx was released in Q4/2018.
Qualcomm Snapdragon (102) Family Qualcomm Snapdragon (102)
Qualcomm Snapdragon 8c (1) CPU group Qualcomm Snapdragon 8cx (2)
1 Generation 2
Kryo 490 Architecture Kryo 495
Mobile Segment Mobile
-- Predecessor --
-- Successor --

CPU Cores and Base Frequency

The Qualcomm Snapdragon 8c is a 8 core processor with a clock frequency of 2.45 GHz. The Qualcomm Snapdragon 8cx has 8 CPU cores with a clock frequency of 2.84 GHz.

Qualcomm Snapdragon 8c Characteristic Qualcomm Snapdragon 8cx
8 Cores 8
8 Threads 8
hybrid (big.LITTLE) Core architecture hybrid (big.LITTLE)
No Hyperthreading No
No Overclocking ? No
2.45 GHz
4x Kryo 490 Gold
A-Core 2.84 GHz
4x Kryo 495 Gold
1.80 GHz
4x Kryo 490 Silver
B-Core 1.80 GHz
4x Kryo 495 Silver

Artificial Intelligence and Machine Learning

Processors with the support of artificial intelligence (AI) and machine learning (ML) can process many calculations, especially audio, image and video processing, much faster than classic processors. Algorithms for ML improve their performance the more data they have collected via software. ML tasks can be processed up to 10,000 times faster than with a classic processor.

Qualcomm Snapdragon 8c Characteristic Qualcomm Snapdragon 8cx
Qualcomm AI engine AI hardware Qualcomm AI engine
Hexagon 690 @ 7 TOPS AI specifications Hexagon 685 @ 3 TOPS

Internal Graphics

The integrated graphics unit of a processor is not only responsible for the pure image output on the system, but can also significantly increase the efficiency of the system with the support of modern video codecs.

Qualcomm Adreno 675 GPU Qualcomm Adreno 680
0.25 GHz GPU frequency 0.25 GHz
0.59 GHz GPU (Turbo) 0.59 GHz
5 GPU Generation 5
7 nm Technology 7 nm
1 Max. displays 2
7 Compute units 8
672 Shader 768
No Hardware Raytracing No
No Frame Generation No
4 GB Max. GPU Memory 4 GB
12.0 DirectX Version 12.0

Hardware codec support

A photo or video codec that is accelerated in hardware can greatly accelerate the working speed of a processor and extend the battery life of notebooks or smartphones when playing videos.

Qualcomm Adreno 675 GPU Qualcomm Adreno 680
Decode Codec h265 / HEVC (8 bit) Decode / Encode
Decode Codec h265 / HEVC (10 bit) Decode / Encode
Decode / Encode Codec h264 Decode / Encode
Decode Codec VP9 Decode
Decode / Encode Codec VP8 Decode / Encode
No Codec AV1 No
Decode Codec AVC Decode
Decode Codec VC-1 Decode
Decode / Encode Codec JPEG Decode / Encode

Memory & PCIe

The Qualcomm Snapdragon 8c supports a maximum of 16 GB of memory in 4 memory channels. The Qualcomm Snapdragon 8cx can connect up to 16 GB of memory in 8 memory channels.

Qualcomm Snapdragon 8c Characteristic Qualcomm Snapdragon 8cx
LPDDR4X-4266 Memory LPDDR4X-4266
16 GB Max. Memory 16 GB
4 (Quad Channel) Memory channels 8 (Octa Channel)
34.1 GB/s Max. Bandwidth 68.2 GB/s
No ECC No
2.00 MB L2 Cache --
3.00 MB L3 Cache 2.00 MB
-- PCIe version --
-- PCIe lanes --
-- PCIe Bandwidth --

Thermal Management

The TDP (Thermal Design Power) of a processor specifies the required cooling solution. The Qualcomm Snapdragon 8c has a TDP of 7 W, that of the Qualcomm Snapdragon 8cx is 7 W.

Qualcomm Snapdragon 8c Characteristic Qualcomm Snapdragon 8cx
7 W TDP (PL1 / PBP) 7 W
-- TDP (PL2) --
-- TDP up --
-- TDP down --
-- Tjunction max. --

Technical details

The Qualcomm Snapdragon 8c has a 5.00 MB cache, while the Qualcomm Snapdragon 8cx cache has a total of 2.00 MB.

Qualcomm Snapdragon 8c Characteristic Qualcomm Snapdragon 8cx
7 nm Technology 7 nm
Chiplet Chip design Chiplet
Armv8-A (64 bit) Instruction set (ISA) Armv8-A (64 bit)
-- ISA extensions --
-- Socket --
None Virtualization None
No AES-NI No
Android, Windows 10 (ARM) Operating systems Android, Windows 10 (ARM)
Q4/2019 Release date Q4/2018
-- Release price --
show more data show more data


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Average performance in benchmarks

⌀ Single core performance in 1 CPU benchmarks
⌀ Multi core performance in 1 CPU benchmarks

Geekbench 5, 64bit (Single-Core)

Geekbench 5 is a cross plattform benchmark that heavily uses the systems memory. A fast memory will push the result a lot. The single-core test only uses one CPU core, the amount of cores or hyperthreading ability doesn't count.
Qualcomm Snapdragon 8c Qualcomm Snapdragon 8c
8C 8T @ 2.45 GHz
665 (92%)
Qualcomm Snapdragon 8cx Qualcomm Snapdragon 8cx
8C 8T @ 2.84 GHz
724 (100%)

Geekbench 5, 64bit (Multi-Core)

Geekbench 5 is a cross plattform benchmark that heavily uses the systems memory. A fast memory will push the result a lot. The multi-core test involves all CPU cores and taks a big advantage of hyperthreading.
Qualcomm Snapdragon 8c Qualcomm Snapdragon 8c
8C 8T @ 2.45 GHz
2574 (92%)
Qualcomm Snapdragon 8cx Qualcomm Snapdragon 8cx
8C 8T @ 2.84 GHz
2808 (100%)

iGPU - FP32 Performance (Single-precision GFLOPS)

The theoretical computing performance of the internal graphics unit of the processor with simple accuracy (32 bit) in GFLOPS. GFLOPS indicates how many billion floating point operations the iGPU can perform per second.
Qualcomm Snapdragon 8c Qualcomm Snapdragon 8c
Qualcomm Adreno 675 @ 0.59 GHz
1550 (84%)
Qualcomm Snapdragon 8cx Qualcomm Snapdragon 8cx
Qualcomm Adreno 680 @ 0.59 GHz
1843 (100%)

Performance for Artificial Intelligence (AI) and Machine Learning (ML)

Processors with the support of artificial intelligence (AI) and machine learning (ML) can process many calculations, especially audio, image and video processing, much faster than classic processors. The performance is given in the number (trillions) of arithmetic operations per second (TOPS).
Qualcomm Snapdragon 8c Qualcomm Snapdragon 8c
8C 8T @ 2.45 GHz
7 (100%)
Qualcomm Snapdragon 8cx Qualcomm Snapdragon 8cx
8C 8T @ 2.84 GHz
3 (43%)

Devices using this processor

Qualcomm Snapdragon 8c Qualcomm Snapdragon 8cx
Unknown Lenovo Flex 5G
Lenovo Yoga C 5G
Samsung Galaxy Book S

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