Qualcomm Snapdragon 855 vs Qualcomm Snapdragon 778G

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CPU comparison with benchmarks


Qualcomm Snapdragon 855 CPU1 vs CPU2 Qualcomm Snapdragon 778G
Qualcomm Snapdragon 855 Qualcomm Snapdragon 778G

CPU comparison

Qualcomm Snapdragon 855 or Qualcomm Snapdragon 778G - 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 855 has 8 cores with 8 threads and clocks with a maximum frequency of 2.84 GHz. Up to 16 GB of memory is supported in 4 memory channels. The Qualcomm Snapdragon 855 was released in Q4/2018.

The Qualcomm Snapdragon 778G has 8 cores with 8 threads and clocks with a maximum frequency of 2.40 GHz. The CPU supports up to 16 GB of memory in 2 memory channels. The Qualcomm Snapdragon 778G was released in Q2/2021.
Qualcomm Snapdragon (104) Family Qualcomm Snapdragon (104)
Qualcomm Snapdragon 855/860 (3) CPU group Qualcomm Snapdragon 778 (2)
6 Generation 4
Kryo 485 Architecture Kryo 670
Mobile Segment Mobile
Qualcomm Snapdragon 845 Predecessor --
-- Successor --

CPU Cores and Base Frequency

The Qualcomm Snapdragon 855 is a 8 core processor with a clock frequency of 2.84 GHz. The Qualcomm Snapdragon 778G has 8 CPU cores with a clock frequency of 2.40 GHz.

Qualcomm Snapdragon 855 Characteristic Qualcomm Snapdragon 778G
8 Cores 8
8 Threads 8
hybrid (Prime / big.LITTLE) Core architecture hybrid (Prime / big.LITTLE)
No Hyperthreading No
No Overclocking ? No
2.84 GHz
1x Kryo 485 Prime
A-Core 2.40 GHz
1x Kryo 670 Prime
2.42 GHz
3x Kryo 485 Gold
B-Core 2.20 GHz
3x Kryo 670 Gold
1.80 GHz
4x Kryo 485 Silver
C-Core 1.90 GHz
4x Kryo 670 Silver

NPU AI performance

The performance values of the processor's AI unit. The isolated NPU performance is specified here, the total AI performance (NPU+CPU+iGPU) can be higher. Processors with support for artificial intelligence (AI) and machine learning (ML) can process many calculations, especially audio, image and video processing, much faster than classic processors.

Qualcomm Snapdragon 855 Characteristic Qualcomm Snapdragon 778G
Qualcomm AI engine AI hardware Qualcomm AI engine
Hexagon 690 @ 7 TOPS AI specifications Hexagon 770 @ 12 TOPS
-- NPU + CPU + iGPU --

Integrated graphics (iGPU)

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 640 GPU Qualcomm Adreno 642L
0.25 GHz GPU frequency --
0.59 GHz GPU (Turbo) --
5 GPU Generation 5
7 nm Technology 6 nm
1 Max. displays 1
4 Compute units 4
384 Shader 384
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 640 GPU Qualcomm Adreno 642L
Decode / Encode Codec h265 / HEVC (8 bit) Decode
Decode / Encode Codec h265 / HEVC (10 bit) Decode
Decode / Encode Codec h264 Decode / Encode
Decode / Encode Codec VP9 Decode
Decode / Encode Codec VP8 Decode
No Codec AV1 No
No Codec AVC Decode
No Codec VC-1 Decode
No Codec JPEG Decode / Encode

Memory & PCIe

The Qualcomm Snapdragon 855 supports a maximum of 16 GB of memory in 4 memory channels. The Qualcomm Snapdragon 778G can connect up to 16 GB of memory in 2 memory channels.

Qualcomm Snapdragon 855 Characteristic Qualcomm Snapdragon 778G
LPDDR4X-4266 Memory LPDDR5-6400
16 GB Max. Memory 16 GB
4 (Quad Channel) Memory channels 2 (Dual Channel)
34.1 GB/s Max. Bandwidth 51.2 GB/s
No ECC No
1.75 MB L2 Cache --
2.00 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 855 has a TDP of --, that of the Qualcomm Snapdragon 778G is --.

Qualcomm Snapdragon 855 Characteristic Qualcomm Snapdragon 778G
-- TDP (PL1 / PBP) --
-- TDP (PL2) --
-- TDP up --
-- TDP down --
-- Tjunction max. --

Technical details

The Qualcomm Snapdragon 855 has a 3.75 MB cache, while the Qualcomm Snapdragon 778G cache has a total of 2.00 MB.

Qualcomm Snapdragon 855 Characteristic Qualcomm Snapdragon 778G
7 nm Technology 6 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 Operating systems Android
Q4/2018 Release date Q2/2021
-- Release price --
show more data show more data


Rate these processors

Here you can rate the Qualcomm Snapdragon 855 to help other visitors make their purchasing decisions. The average rating is 4.1 stars (23 ratings). Rate now:
Here you can rate the Qualcomm Snapdragon 778G to help other visitors make their purchasing decisions. The average rating is 3.9 stars (34 ratings). Rate now:


Average performance in benchmarks

⌀ Single core performance in 2 CPU benchmarks
Qualcomm Snapdragon 855 (93%)
Qualcomm Snapdragon 778G (100%)
⌀ Multi core performance in 3 CPU benchmarks
Qualcomm Snapdragon 855 (86%)
Qualcomm Snapdragon 778G (100%)

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 855 Qualcomm Snapdragon 855
8C 8T @ 2.84 GHz
724 (93%)
Qualcomm Snapdragon 778G Qualcomm Snapdragon 778G
8C 8T @ 2.40 GHz
782 (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 855 Qualcomm Snapdragon 855
8C 8T @ 2.84 GHz
2578 (91%)
Qualcomm Snapdragon 778G Qualcomm Snapdragon 778G
8C 8T @ 2.40 GHz
2842 (100%)

Geekbench 6 (Single-Core)

Geekbench 6 is a benchmark for modern computers, notebooks and smartphones. What is new is an optimized utilization of newer CPU architectures, e.g. based on the big.LITTLE concept and combining CPU cores of different sizes. The single-core benchmark only evaluates the performance of the fastest CPU core, the number of CPU cores in a processor is irrelevant here.
Qualcomm Snapdragon 855 Qualcomm Snapdragon 855
8C 8T @ 2.84 GHz
960 (93%)
Qualcomm Snapdragon 778G Qualcomm Snapdragon 778G
8C 8T @ 2.40 GHz
1027 (100%)

Geekbench 6 (Multi-Core)

Geekbench 6 is a benchmark for modern computers, notebooks and smartphones. What is new is an optimized utilization of newer CPU architectures, e.g. based on the big.LITTLE concept and combining CPU cores of different sizes. The multi-core benchmark evaluates the performance of all of the processor's CPU cores. Virtual thread improvements such as AMD SMT or Intel's Hyper-Threading have a positive impact on the benchmark result.
Qualcomm Snapdragon 855 Qualcomm Snapdragon 855
8C 8T @ 2.84 GHz
2819 (97%)
Qualcomm Snapdragon 778G Qualcomm Snapdragon 778G
8C 8T @ 2.40 GHz
2907 (100%)

AnTuTu 8 Benchmark

The AnTuTu 8 Benchmark measures the performance of a SoC. AnTuTu benchmarks the CPU, GPU, Memory as well as the UX (User Experience) by simulating browser and app usage. AnTuTu can benchmark any ARM CPU that runs under Android or iOS. Devices may not be directly compareable if the benchmark has been performed under different operating systems.

In the AnTuTu 8 benchmark, the single-core performance of a processor is only slightly weighted. The evaluation consists of the multi-core performance of the processor, the speed of the RAM and the performance of the internal graphics.
Qualcomm Snapdragon 855 Qualcomm Snapdragon 855
8C 8T @ 2.84 GHz
432560 (83%)
Qualcomm Snapdragon 778G Qualcomm Snapdragon 778G
8C 8T @ 2.40 GHz
523068 (100%)

Estimated results for PassMark CPU Mark

Some of the CPUs listed below have been benchmarked by CPU-monkey. However the majority of CPUs have not been tested and the results have been estimated by a CPU-monkey’s secret proprietary formula. As such they do not accurately reflect the actual Passmark CPU mark values and are not endorsed by PassMark Software Pty Ltd.
Qualcomm Snapdragon 855 Qualcomm Snapdragon 855
8C 8T @ 2.84 GHz
4527 (71%)
Qualcomm Snapdragon 778G Qualcomm Snapdragon 778G
8C 8T @ 2.40 GHz
6398 (100%)

AI performance (NPU)

The performance values of the processor's AI unit. The isolated NPU performance is given here, the total AI performance (NPU+CPU+iGPU) can be higher.

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 855 Qualcomm Snapdragon 855
8C 8T @ 2.84 GHz
7 (58%)
Qualcomm Snapdragon 778G Qualcomm Snapdragon 778G
8C 8T @ 2.40 GHz
12 (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 855 Qualcomm Snapdragon 855
Qualcomm Adreno 640 @ 0.59 GHz
899 (100%)
Qualcomm Snapdragon 778G Qualcomm Snapdragon 778G
Qualcomm Adreno 642L @ 0.00 GHz
0 (0%)

AnTuTu 10 Benchmark

The AnTuTu 10 benchmark is one of the best-known benchmarks for mobile processors, which is now available in version 10. There is a version for Android-based smartphones and tablets, as well as a version for Apple mobile devices, i.e. iPhones and iPads.

The Antutu 10 benchmark has 3 phases. In the first phase, the device's RAM is tested, in phase 2 the graphics are tested and in the final phase the entire device is pushed to its performance limits by rendering 3D graphics.

Antutu 10 is therefore ideal for comparing the performance of different devices.
Qualcomm Snapdragon 855 Qualcomm Snapdragon 855
8C 8T @ 2.84 GHz
0 (0%)
Qualcomm Snapdragon 778G Qualcomm Snapdragon 778G
8C 8T @ 2.40 GHz
596849 (100%)

AnTuTu 9 Benchmark

The AnTuTu 9 benchmark is very well suited to measuring the performance of a smartphone. AnTuTu 9 is quite heavy on 3D graphics and can now also use the "Metal" graphics interface. In AnTuTu, memory and UX (user experience) are also tested by simulating browser and app usage. AnTuTu version 9 can compare any ARM CPU running on Android or iOS. Devices may not be directly comparable when benchmarked on different operating systems.

In the AnTuTu 9 benchmark, the single-core performance of a processor is only slightly weighted. The rating is made up of the multi-core performance of the processor, the speed of the working memory, and the performance of the internal graphics.
Qualcomm Snapdragon 855 Qualcomm Snapdragon 855
8C 8T @ 2.84 GHz
0 (0%)
Qualcomm Snapdragon 778G Qualcomm Snapdragon 778G
8C 8T @ 2.40 GHz
502035 (100%)

Devices using this processor

Qualcomm Snapdragon 855 Qualcomm Snapdragon 778G
OnePlus 7 Pro
OnePlus 7 Pro 5G
Sony Xperia 1
Sony Xperia 5
Xiaomi Mi 9
Oppo Reno 10x Zoom
Samsung Galaxy A73 5G
Xiaomi Civi S1
Oppo Reno7 5G

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