Valve Steam Deck (AMD Custom APU 0405) vs Qualcomm Snapdragon 765

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CPU comparison with benchmarks


Valve Steam Deck (AMD Custom APU 0405) CPU1 vs CPU2 Qualcomm Snapdragon 765
Valve Steam Deck (AMD Custom APU 0405) Qualcomm Snapdragon 765

CPU comparison

Valve Steam Deck (AMD Custom APU 0405) or Qualcomm Snapdragon 765 - 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 Valve Steam Deck (AMD Custom APU 0405) has 4 cores with 8 threads and clocks with a maximum frequency of 3.50 GHz. Up to 16 GB of memory is supported in 4 memory channels. The Valve Steam Deck (AMD Custom APU 0405) was released in Q4/2021.

The Qualcomm Snapdragon 765 has 8 cores with 8 threads and clocks with a maximum frequency of 2.30 GHz. The CPU supports up to 12 GB of memory in 2 memory channels. The Qualcomm Snapdragon 765 was released in Q3/2020.
AMD Ryzen 5 (85) Family Qualcomm Snapdragon (102)
AMD Aerith (Steam Deck) (1) CPU group Qualcomm Snapdragon 760 (3)
3 Generation 3
Aerith (Zen 2) Architecture Kryo 475
Mobile Segment Mobile
-- Predecessor --
Valve Steam Deck (2023 Refresh) Successor --

CPU Cores and Base Frequency

The Valve Steam Deck (AMD Custom APU 0405) is a 4 core processor with a clock frequency of 2.40 GHz (3.50 GHz). The Qualcomm Snapdragon 765 has 8 CPU cores with a clock frequency of 2.30 GHz.

Valve Steam Deck (AMD Custom APU 0405) Characteristic Qualcomm Snapdragon 765
4 Cores 8
8 Threads 8
normal Core architecture hybrid (big.LITTLE)
Yes Hyperthreading No
No Overclocking ? No
2.40 GHz (3.50 GHz) A-Core 2.30 GHz
1x Kryo 475 Prime
-- B-Core 2.20 GHz
1x Kryo 475 Gold
-- C-Core 1.80 GHz
6x Kryo 475 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.

Valve Steam Deck (AMD Custom APU 0405) Characteristic Qualcomm Snapdragon 765
-- AI hardware Qualcomm AI engine
-- AI specifications Hexagon 696 @ 5.5 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.

AMD Custom Radeon Graphics (Steam Deck) GPU Qualcomm Adreno 620
1.00 GHz GPU frequency 0.63 GHz
1.60 GHz GPU (Turbo) --
-- GPU Generation 6
7 nm Technology 7 nm
2 Max. displays 2
8 Compute units --
512 Shader 192
No Hardware Raytracing No
No Frame Generation No
8 GB Max. GPU Memory 4 GB
12 DirectX Version 12.1

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.

AMD Custom Radeon Graphics (Steam Deck) GPU Qualcomm Adreno 620
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
Decode / Encode Codec AVC Decode
Decode Codec VC-1 Decode
Decode / Encode Codec JPEG Decode / Encode

Memory & PCIe

The Valve Steam Deck (AMD Custom APU 0405) supports a maximum of 16 GB of memory in 4 memory channels. The Qualcomm Snapdragon 765 can connect up to 12 GB of memory in 2 memory channels.

Valve Steam Deck (AMD Custom APU 0405) Characteristic Qualcomm Snapdragon 765
LPDDR5-5500 Memory LPDDR4-3733
16 GB Max. Memory 12 GB
4 (Quad Channel) Memory channels 2 (Dual Channel)
88.0 GB/s Max. Bandwidth 14.9 GB/s
No ECC No
2.00 MB L2 Cache --
4.00 MB L3 Cache 2.00 MB
3.0 PCIe version --
8 PCIe lanes --
7.9 GB/s PCIe Bandwidth --

Thermal Management

The TDP (Thermal Design Power) of a processor specifies the required cooling solution. The Valve Steam Deck (AMD Custom APU 0405) has a TDP of 15 W, that of the Qualcomm Snapdragon 765 is 5 W.

Valve Steam Deck (AMD Custom APU 0405) Characteristic Qualcomm Snapdragon 765
15 W TDP (PL1 / PBP) 5 W
-- TDP (PL2) --
-- TDP up --
4 W TDP down --
100 °C Tjunction max. --

Technical details

The Valve Steam Deck (AMD Custom APU 0405) has a 6.00 MB cache, while the Qualcomm Snapdragon 765 cache has a total of 2.00 MB.

Valve Steam Deck (AMD Custom APU 0405) Characteristic Qualcomm Snapdragon 765
7 nm Technology 7 nm
Monolithic Chip design Chiplet
x86-64 (64 bit) Instruction set (ISA) Armv8-A (64 bit)
SSE4a, SSE4.1, SSE4.2, AVX2, FMA3 ISA extensions --
FF3 Socket --
AMD-V, SVM Virtualization None
Yes AES-NI No
SteamOS (Arch Linux) Operating systems Android
Q4/2021 Release date Q3/2020
-- Release price --
show more data show more data


Rate these processors

Here you can rate the Valve Steam Deck (AMD Custom APU 0405) to help other visitors make their purchasing decisions. The average rating is 5.0 stars (1 ratings). Rate now:
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Average performance in benchmarks

⌀ Single core performance in 2 CPU benchmarks
Valve Steam Deck (AMD Custom APU 0405) (100%)
Qualcomm Snapdragon 765 (67%)
⌀ Multi core performance in 2 CPU benchmarks
Valve Steam Deck (AMD Custom APU 0405) (100%)
Qualcomm Snapdragon 765 (45%)

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.
Valve Steam Deck (AMD Custom APU 0405) Valve Steam Deck (AMD Custom APU 0405)
4C 8T @ 3.50 GHz
849 (100%)
Qualcomm Snapdragon 765 Qualcomm Snapdragon 765
8C 8T @ 2.30 GHz
611 (72%)

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.
Valve Steam Deck (AMD Custom APU 0405) Valve Steam Deck (AMD Custom APU 0405)
4C 8T @ 2.80 GHz
3592 (100%)
Qualcomm Snapdragon 765 Qualcomm Snapdragon 765
8C 8T @ 2.30 GHz
1765 (49%)

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.
Valve Steam Deck (AMD Custom APU 0405) Valve Steam Deck (AMD Custom APU 0405)
4C 8T @ 3.50 GHz
1278 (100%)
Qualcomm Snapdragon 765 Qualcomm Snapdragon 765
8C 8T @ 2.30 GHz
774 (61%)

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.
Valve Steam Deck (AMD Custom APU 0405) Valve Steam Deck (AMD Custom APU 0405)
4C 8T @ 2.80 GHz
4365 (100%)
Qualcomm Snapdragon 765 Qualcomm Snapdragon 765
8C 8T @ 2.30 GHz
1772 (41%)

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.
Valve Steam Deck (AMD Custom APU 0405) Valve Steam Deck (AMD Custom APU 0405)
AMD Custom Radeon Graphics (Steam Deck) @ 1.60 GHz
1638 (100%)
Qualcomm Snapdragon 765 Qualcomm Snapdragon 765
Qualcomm Adreno 620 @ 0.63 GHz
490 (30%)

Cinebench 2024 (Single-Core)

The Cinebench 2024 benchmark is based on the Redshift rendering engine, which is also used in Maxon's 3D program Cinema 4D. The benchmark runs are each 10 minutes long to test whether the processor is limited by its heat generation.
Valve Steam Deck (AMD Custom APU 0405) Valve Steam Deck (AMD Custom APU 0405)
4C 8T @ 3.50 GHz
57 (100%)
Qualcomm Snapdragon 765 Qualcomm Snapdragon 765
8C 8T @ 2.30 GHz
0 (0%)

Cinebench 2024 (Multi-Core)

The Multi-Core test of the Cinebench 2024 benchmark uses all cpu cores to render using the Redshift rendering engine, which is also used in Maxons Cinema 4D. The benchmark run is 10 minutes long to test whether the processor is limited by its heat generation.
Valve Steam Deck (AMD Custom APU 0405) Valve Steam Deck (AMD Custom APU 0405)
4C 8T @ 3.50 GHz
275 (100%)
Qualcomm Snapdragon 765 Qualcomm Snapdragon 765
8C 8T @ 2.30 GHz
0 (0%)

Cinebench R23 (Single-Core)

Cinebench R23 is the successor of Cinebench R20 and is also based on the Cinema 4 Suite. Cinema 4 is a worldwide used software to create 3D forms. The single-core test only uses one CPU core, the amount of cores or hyperthreading ability doesn't count.
Valve Steam Deck (AMD Custom APU 0405) Valve Steam Deck (AMD Custom APU 0405)
4C 8T @ 3.50 GHz
975 (100%)
Qualcomm Snapdragon 765 Qualcomm Snapdragon 765
8C 8T @ 2.30 GHz
0 (0%)

Cinebench R23 (Multi-Core)

Cinebench R23 is the successor of Cinebench R20 and is also based on the Cinema 4 Suite. Cinema 4 is a worldwide used software to create 3D forms. The multi-core test involves all CPU cores and taks a big advantage of hyperthreading.
Valve Steam Deck (AMD Custom APU 0405) Valve Steam Deck (AMD Custom APU 0405)
4C 8T @ 2.80 GHz
4359 (100%)
Qualcomm Snapdragon 765 Qualcomm Snapdragon 765
8C 8T @ 2.30 GHz
0 (0%)

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.
Valve Steam Deck (AMD Custom APU 0405) Valve Steam Deck (AMD Custom APU 0405)
4C 8T @ 2.40 GHz
0 (0%)
Qualcomm Snapdragon 765 Qualcomm Snapdragon 765
8C 8T @ 2.30 GHz
288740 (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).
Valve Steam Deck (AMD Custom APU 0405) Valve Steam Deck (AMD Custom APU 0405)
4C 8T @ 2.40 GHz
0 (0%)
Qualcomm Snapdragon 765 Qualcomm Snapdragon 765
8C 8T @ 2.30 GHz
5.5 (100%)

Devices using this processor

Valve Steam Deck (AMD Custom APU 0405) Qualcomm Snapdragon 765
Valve Steam Deck Unknown

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