Valve Steam Deck (AMD Custom APU 0405) vs Raspberry Pi 4 B (Broadcom BCM2711)

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CPU comparison with benchmarks


Valve Steam Deck (AMD Custom APU 0405) CPU1 vs CPU2 Raspberry Pi 4 B (Broadcom BCM2711)
Valve Steam Deck (AMD Custom APU 0405) Raspberry Pi 4 B (Broadcom BCM2711)

CPU comparison

Valve Steam Deck (AMD Custom APU 0405) or Raspberry Pi 4 B (Broadcom BCM2711) - 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 Raspberry Pi 4 B (Broadcom BCM2711) has 4 cores with 4 threads and clocks with a maximum frequency of 1.50 GHz. The CPU supports up to 8 GB of memory in 1 memory channels. The Raspberry Pi 4 B (Broadcom BCM2711) was released in 06/2019.
AMD Ryzen 5 (86) Family Broadcom BCM (3)
AMD Aerith (Steam Deck) (1) CPU group Broadcom BCM2711 (1)
3 Generation 4
Aerith (Zen 2) Architecture Cortex-A72
Mobile Segment Desktop / Server
-- Predecessor Raspberry Pi 3 B+ (Broadcom BCM2837B0)
Valve Steam Deck (2023 Refresh) Successor Raspberry Pi 5 B (Broadcom BCM2712)

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 Raspberry Pi 4 B (Broadcom BCM2711) has 4 CPU cores with a clock frequency of 1.50 GHz.

Valve Steam Deck (AMD Custom APU 0405) Characteristic Raspberry Pi 4 B (Broadcom BCM2711)
4 Cores 4
8 Threads 4
normal Core architecture normal
Yes Hyperthreading No
No Overclocking ? Yes
2.40 GHz Frequency 1.50 GHz
3.50 GHz Turbo Frequency (1 Core) --
2.80 GHz Turbo Frequency (All Cores) --

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.

Valve Steam Deck (AMD Custom APU 0405) Characteristic Raspberry Pi 4 B (Broadcom BCM2711)
-- AI hardware --
-- AI specifications --
-- 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.

AMD Custom Radeon Graphics (Steam Deck) GPU Broadcom VideoCore VI
1.00 GHz GPU frequency 0.50 GHz
1.60 GHz GPU (Turbo) --
-- GPU Generation 6
7 nm Technology 28 nm
2 Max. displays 2
8 Compute units 4
512 Shader 64
No Hardware Raytracing No
No Frame Generation No
8 GB Max. GPU Memory 2 GB
12 DirectX Version --

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 Broadcom VideoCore VI
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 Raspberry Pi 4 B (Broadcom BCM2711) can connect up to 8 GB of memory in 1 memory channels.

Valve Steam Deck (AMD Custom APU 0405) Characteristic Raspberry Pi 4 B (Broadcom BCM2711)
LPDDR5-5500 Memory LPDDR4-3200
16 GB Max. Memory 8 GB
4 (Quad Channel) Memory channels 1 (Single Channel)
88.0 GB/s Max. Bandwidth 12.8 GB/s
No ECC No
2.00 MB L2 Cache 1.00 MB
4.00 MB L3 Cache --
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 Raspberry Pi 4 B (Broadcom BCM2711) is 7.5 W.

Valve Steam Deck (AMD Custom APU 0405) Characteristic Raspberry Pi 4 B (Broadcom BCM2711)
15 W TDP (PL1 / PBP) 7.5 W
-- TDP (PL2) --
-- TDP up --
4 W TDP down 3 W
100 °C Tjunction max. --

Technical details

The Valve Steam Deck (AMD Custom APU 0405) has a 6.00 MB cache, while the Raspberry Pi 4 B (Broadcom BCM2711) cache has a total of 1.00 MB.

Valve Steam Deck (AMD Custom APU 0405) Characteristic Raspberry Pi 4 B (Broadcom BCM2711)
7 nm Technology 28 nm
Monolithic Chip design Monolithic
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 Windows 11 (ARM), Linux
Q4/2021 Release date 06/2019
-- Release price 35 $
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 3.3 stars (3 ratings). Rate now:
Here you can rate the Raspberry Pi 4 B (Broadcom BCM2711) to help other visitors make their purchasing decisions. The average rating is 3.4 stars (13 ratings). Rate now:


Average performance in benchmarks

⌀ Single core performance in 1 CPU benchmarks
Valve Steam Deck (AMD Custom APU 0405) (100%)
Raspberry Pi 4 B (Broadcom BCM2711) (24%)
⌀ Multi core performance in 1 CPU benchmarks
Valve Steam Deck (AMD Custom APU 0405) (100%)
Raspberry Pi 4 B (Broadcom BCM2711) (17%)

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%)
Raspberry Pi 4 B (Broadcom BCM2711) Raspberry Pi 4 B (Broadcom BCM2711)
4C 4T @ 1.50 GHz
202 (24%)

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%)
Raspberry Pi 4 B (Broadcom BCM2711) Raspberry Pi 4 B (Broadcom BCM2711)
4C 4T @ 1.50 GHz
601 (17%)

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%)
Raspberry Pi 4 B (Broadcom BCM2711) Raspberry Pi 4 B (Broadcom BCM2711)
Broadcom VideoCore VI @ 0.50 GHz
32 (2%)

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%)
Raspberry Pi 4 B (Broadcom BCM2711) Raspberry Pi 4 B (Broadcom BCM2711)
4C 4T @ 1.50 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%)
Raspberry Pi 4 B (Broadcom BCM2711) Raspberry Pi 4 B (Broadcom BCM2711)
4C 4T @ 1.50 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%)
Raspberry Pi 4 B (Broadcom BCM2711) Raspberry Pi 4 B (Broadcom BCM2711)
4C 4T @ 1.50 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%)
Raspberry Pi 4 B (Broadcom BCM2711) Raspberry Pi 4 B (Broadcom BCM2711)
4C 4T @ 1.50 GHz
0 (0%)

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%)
Raspberry Pi 4 B (Broadcom BCM2711) Raspberry Pi 4 B (Broadcom BCM2711)
4C 4T @ 1.50 GHz
0 (0%)

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%)
Raspberry Pi 4 B (Broadcom BCM2711) Raspberry Pi 4 B (Broadcom BCM2711)
4C 4T @ 1.50 GHz
0 (0%)

Devices using this processor

Valve Steam Deck (AMD Custom APU 0405) Raspberry Pi 4 B (Broadcom BCM2711)
Valve Steam Deck Raspberry Pi 4 B

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