AMD Ryzen Embedded V1605B vs Valve Steam Deck (AMD Custom APU 0405)

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CPU comparison with benchmarks


AMD Ryzen Embedded V1605B CPU1 vs CPU2 Valve Steam Deck (AMD Custom APU 0405)
AMD Ryzen Embedded V1605B Valve Steam Deck (AMD Custom APU 0405)

CPU comparison

AMD Ryzen Embedded V1605B or Valve Steam Deck (AMD Custom APU 0405) - 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 AMD Ryzen Embedded V1605B has 4 cores with 8 threads and clocks with a maximum frequency of 3.60 GHz. Up to 32 GB of memory is supported in 2 memory channels. The AMD Ryzen Embedded V1605B was released in Q1/2018.

The Valve Steam Deck (AMD Custom APU 0405) has 4 cores with 8 threads and clocks with a maximum frequency of 3.50 GHz. The CPU supports up to 16 GB of memory in 4 memory channels. The Valve Steam Deck (AMD Custom APU 0405) was released in Q4/2021.
AMD Ryzen Embedded V (16) Family AMD Ryzen 5 (86)
AMD Ryzen Embedded V1000 (7) CPU group AMD Aerith (Steam Deck) (1)
1 Generation 3
Great Horned Owl (Zen) Architecture Aerith (Zen 2)
Desktop / Server Segment Mobile
-- Predecessor --
-- Successor Valve Steam Deck (2023 Refresh)

CPU Cores and Base Frequency

The AMD Ryzen Embedded V1605B is a 4 core processor with a clock frequency of 2.00 GHz (3.60 GHz). The Valve Steam Deck (AMD Custom APU 0405) has 4 CPU cores with a clock frequency of 2.40 GHz (3.50 GHz).

AMD Ryzen Embedded V1605B Characteristic Valve Steam Deck (AMD Custom APU 0405)
4 Cores 4
8 Threads 8
normal Core architecture normal
Yes Hyperthreading Yes
No Overclocking ? No
2.00 GHz Frequency 2.40 GHz
3.60 GHz Turbo Frequency (1 Core) 3.50 GHz
2.00 GHz Turbo Frequency (All Cores) 2.80 GHz

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.

AMD Ryzen Embedded V1605B Characteristic Valve Steam Deck (AMD Custom APU 0405)
-- 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 Radeon RX Vega 8 (Raven Ridge) GPU AMD Custom Radeon Graphics (Steam Deck)
1.10 GHz GPU frequency 1.00 GHz
-- GPU (Turbo) 1.60 GHz
8 GPU Generation --
14 nm Technology 7 nm
3 Max. displays 2
8 Compute units 8
512 Shader 512
No Hardware Raytracing No
No Frame Generation No
2 GB Max. GPU Memory 8 GB
12 DirectX Version 12

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 Radeon RX Vega 8 (Raven Ridge) GPU AMD Custom Radeon Graphics (Steam Deck)
Decode / Encode Codec h265 / HEVC (8 bit) Decode / Encode
Decode / Encode Codec h265 / HEVC (10 bit) Decode / Encode
Decode / Encode Codec h264 Decode / Encode
Decode / Encode Codec VP9 Decode / Encode
Decode / Encode Codec VP8 Decode / Encode
No Codec AV1 No
Decode / Encode Codec AVC Decode / Encode
Decode Codec VC-1 Decode
Decode / Encode Codec JPEG Decode / Encode

Memory & PCIe

The AMD Ryzen Embedded V1605B supports a maximum of 32 GB of memory in 2 memory channels. The Valve Steam Deck (AMD Custom APU 0405) can connect up to 16 GB of memory in 4 memory channels.

AMD Ryzen Embedded V1605B Characteristic Valve Steam Deck (AMD Custom APU 0405)
DDR4-2400 Memory LPDDR5-5500
32 GB Max. Memory 16 GB
2 (Dual Channel) Memory channels 4 (Quad Channel)
38.4 GB/s Max. Bandwidth 88.0 GB/s
Yes ECC No
-- L2 Cache 2.00 MB
4.00 MB L3 Cache 4.00 MB
3.0 PCIe version 3.0
16 PCIe lanes 8
15.8 GB/s PCIe Bandwidth 7.9 GB/s

Thermal Management

The TDP (Thermal Design Power) of a processor specifies the required cooling solution. The AMD Ryzen Embedded V1605B has a TDP of 15 W, that of the Valve Steam Deck (AMD Custom APU 0405) is 15 W.

AMD Ryzen Embedded V1605B Characteristic Valve Steam Deck (AMD Custom APU 0405)
15 W TDP (PL1 / PBP) 15 W
-- TDP (PL2) --
25 W TDP up --
12 W TDP down 4 W
105 °C Tjunction max. 100 °C

Technical details

The AMD Ryzen Embedded V1605B has a 4.00 MB cache, while the Valve Steam Deck (AMD Custom APU 0405) cache has a total of 6.00 MB.

AMD Ryzen Embedded V1605B Characteristic Valve Steam Deck (AMD Custom APU 0405)
14 nm Technology 7 nm
Chiplet Chip design Monolithic
x86-64 (64 bit) Instruction set (ISA) x86-64 (64 bit)
SSE4a, SSE4.1, SSE4.2, AVX2, FMA3 ISA extensions SSE4a, SSE4.1, SSE4.2, AVX2, FMA3
FP5 Socket FF3
AMD-V, SVM Virtualization AMD-V, SVM
Yes AES-NI Yes
Windows 10, Linux Operating systems SteamOS (Arch Linux)
Q1/2018 Release date Q4/2021
-- Release price --
show more data show more data


Rate these processors

Here you can rate the AMD Ryzen Embedded V1605B to help other visitors make their purchasing decisions. The average rating is 0 stars (0 ratings). Rate now:
Here you can rate the Valve Steam Deck (AMD Custom APU 0405) to help other visitors make their purchasing decisions. The average rating is 3.8 stars (5 ratings). Rate now:


Average performance in benchmarks

⌀ Single core performance in 1 CPU benchmarks
AMD Ryzen Embedded V1605B (100%)
Valve Steam Deck (AMD Custom APU 0405) (98%)
⌀ Multi core performance in 1 CPU benchmarks
AMD Ryzen Embedded V1605B (75%)
Valve Steam Deck (AMD Custom APU 0405) (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.
AMD Ryzen Embedded V1605B AMD Ryzen Embedded V1605B
4C 8T @ 3.60 GHz
862 (100%)
Valve Steam Deck (AMD Custom APU 0405) Valve Steam Deck (AMD Custom APU 0405)
4C 8T @ 3.50 GHz
849 (98%)

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.
AMD Ryzen Embedded V1605B AMD Ryzen Embedded V1605B
4C 8T @ 2.00 GHz
2677 (75%)
Valve Steam Deck (AMD Custom APU 0405) Valve Steam Deck (AMD Custom APU 0405)
4C 8T @ 2.80 GHz
3592 (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.
AMD Ryzen Embedded V1605B AMD Ryzen Embedded V1605B
AMD Radeon RX Vega 8 (Raven Ridge) @ 1.10 GHz
1126 (69%)
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%)

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.
AMD Ryzen Embedded V1605B AMD Ryzen Embedded V1605B
4C 8T @ 3.60 GHz
0 (0%)
Valve Steam Deck (AMD Custom APU 0405) Valve Steam Deck (AMD Custom APU 0405)
4C 8T @ 3.50 GHz
57 (100%)

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.
AMD Ryzen Embedded V1605B AMD Ryzen Embedded V1605B
4C 8T @ 3.60 GHz
0 (0%)
Valve Steam Deck (AMD Custom APU 0405) Valve Steam Deck (AMD Custom APU 0405)
4C 8T @ 3.50 GHz
275 (100%)

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.
AMD Ryzen Embedded V1605B AMD Ryzen Embedded V1605B
4C 8T @ 3.60 GHz
0 (0%)
Valve Steam Deck (AMD Custom APU 0405) Valve Steam Deck (AMD Custom APU 0405)
4C 8T @ 3.50 GHz
975 (100%)

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.
AMD Ryzen Embedded V1605B AMD Ryzen Embedded V1605B
4C 8T @ 2.00 GHz
0 (0%)
Valve Steam Deck (AMD Custom APU 0405) Valve Steam Deck (AMD Custom APU 0405)
4C 8T @ 2.80 GHz
4359 (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.
AMD Ryzen Embedded V1605B AMD Ryzen Embedded V1605B
4C 8T @ 3.60 GHz
0 (0%)
Valve Steam Deck (AMD Custom APU 0405) Valve Steam Deck (AMD Custom APU 0405)
4C 8T @ 3.50 GHz
1278 (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.
AMD Ryzen Embedded V1605B AMD Ryzen Embedded V1605B
4C 8T @ 2.00 GHz
0 (0%)
Valve Steam Deck (AMD Custom APU 0405) Valve Steam Deck (AMD Custom APU 0405)
4C 8T @ 2.80 GHz
4365 (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.
AMD Ryzen Embedded V1605B AMD Ryzen Embedded V1605B
4C 8T @ 2.00 GHz
7402 (100%)
Valve Steam Deck (AMD Custom APU 0405) Valve Steam Deck (AMD Custom APU 0405)
4C 8T @ 2.80 GHz
0 (0%)

Cinebench R15 (Single-Core)

Cinebench R15 is the successor of Cinebench 11.5 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.
AMD Ryzen Embedded V1605B AMD Ryzen Embedded V1605B
4C 8T @ 3.60 GHz
136 (100%)
Valve Steam Deck (AMD Custom APU 0405) Valve Steam Deck (AMD Custom APU 0405)
4C 8T @ 3.50 GHz
0 (0%)

Devices using this processor

AMD Ryzen Embedded V1605B Valve Steam Deck (AMD Custom APU 0405)
Unknown Valve Steam Deck

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