Valve Steam Deck (AMD Custom APU 0405) Benchmark, Test and specs

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The Valve Steam Deck (AMD Custom APU 0405) is a 4 core processor. It can handle 8 threads simultaneously and was introduced in Q4/2021. The Valve Steam Deck (AMD Custom APU 0405) is based on the 3. generation of the AMD Ryzen 5 series and requires a mainboard with the socket FF3. The Valve Steam Deck (AMD Custom APU 0405) scores 849 points with one CPU core in the Geekbench 5 benchmark. When using all CPU cores, the result is 3,592 points.
Valve Steam Deck (AMD Custom APU 0405)

CPU lineage

Here you can see which group the Valve Steam Deck (AMD Custom APU 0405) belongs to and which processor is the predecessor of the Valve Steam Deck (AMD Custom APU 0405).

Name: Valve Steam Deck (AMD Custom APU 0405)
Family: AMD Ryzen 5 (84)
CPU group: AMD Aerith (Steam Deck) (1)
Architecture: Aerith (Zen 2)
Segment: Mobile
Generation: 3
Predecessor: --
Successor: Valve Steam Deck (2023 Refresh)

CPU Cores and Base Frequency

The 4 CPU cores of the Valve Steam Deck (AMD Custom APU 0405) clock with 2.40 GHz (3.50 GHz). The number of CPU cores and the clock frequency of the processor are largely responsible for the overall performance.

CPU Cores / Threads: 4 / 8
Core architecture: normal
Cores: 4x
Hyperthreading / SMT: Yes
Overclocking: No
Frequency: 2.40 GHz
Turbo Frequency (1 Core): 3.50 GHz
Turbo Frequency (4 Cores): 2.80 GHz

Internal Graphics

With the AMD Custom Radeon Graphics (Steam Deck), the Valve Steam Deck (AMD Custom APU 0405) has an build in graphic solution. It has 8 SM processors, which have a total of 512 texture shaders. The iGPU not only enables games, but also significantly accelerates video playback.

GPU name: AMD Custom Radeon Graphics (Steam Deck)
GPU frequency: 1.00 GHz
GPU (Turbo): 1.60 GHz
Compute units: 8
Shader: 512
Hardware Raytracing: No
Release date: Q3/2021
Max. displays: 2
Generation: --
Direct X: 12
Technology: 7 nm
Max. GPU Memory: 8 GB
Frame Generation: No

Hardware codec support

Processors that have an integrated graphics can play videos faster and more efficiently. This can have a positive effect on the battery life of notebooks, for example.

h265 / HEVC (8 bit): Decode / Encode
h265 / HEVC (10 bit): Decode / Encode
h264: Decode / Encode
VP8: Decode / Encode
VP9: Decode / Encode
AV1: No
AVC: Decode / Encode
VC-1: Decode
JPEG: Decode / Encode

Memory & PCIe

The Valve Steam Deck (AMD Custom APU 0405) supports up to 16 GB memory in up to 4 (Quad Channel) memory channels. This results in a maximum memory bandwidth of 88.0 GB/s.

Memory type: Memory bandwidth:
LPDDR5-5500
88.0 GB/s
Max. Memory: 16 GB
Memory channels: 4 (Quad Channel)
ECC: No
PCIe: 3.0 x 8
PCIe Bandwidth: 7.9 GB/s

Thermal Management

With the TDP, the processor manufacturer specifies the cooling solution required for the processor. The Valve Steam Deck (AMD Custom APU 0405) has a TDP of 15 W.

TDP (PL1 / PBP): 15 W
TDP (PL2): --
TDP up: --
TDP down: 4 W
Tjunction max.: 100 °C

Technical details

The Valve Steam Deck (AMD Custom APU 0405) has a 6.00 MB large cache. The processor is manufactured in 7 nm. Modern production increases the efficiency of the processor.

Technology: 7 nm
Chip design: Monolithic
Socket: FF3
L2-Cache: 2.00 MB
L3-Cache: 4.00 MB
AES-NI: Yes
Operating systems: SteamOS (Arch Linux)
Virtualization: AMD-V, SVM
Instruction set (ISA): x86-64 (64 bit)
ISA extensions: SSE4a, SSE4.1, SSE4.2, AVX2, FMA3
Release date: Q4/2021
Release price: --
Part Number: 100-000000405
Documents: Technical data sheet

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Benchmark results

Verified Benchmark results
The benchmark results for the Valve Steam Deck (AMD Custom APU 0405) have been carefully checked by us. We only publish benchmark results that have been created by us or that have been submitted by a visitor and then checked by a team member. All results are based on and fullfill our benchmark guidelines.

Screenshots:

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 Threadripper 1920X AMD Ryzen Threadripper 1920X
12C 24T @ 4.00 GHz
58
Intel Core i5-8259U Intel Core i5-8259U
4C 8T @ 3.80 GHz
58
Intel Core i7-4770K Intel Core i7-4770K
4C 8T @ 3.90 GHz
58
Valve Steam Deck (AMD Custom APU 0405) Valve Steam Deck (AMD Custom APU 0405)
4C 8T @ 3.50 GHz
57
Valve Steam Deck (2023 Refresh) Valve Steam Deck (2023 Refresh)
4C 8T @ 3.50 GHz
57
AMD Ryzen 7 1700 AMD Ryzen 7 1700
8C 16T @ 3.70 GHz
57
Intel Core i5-6500 Intel Core i5-6500
4C 4T @ 3.60 GHz
56

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.
Intel Core i7-1355U Intel Core i7-1355U
10C 12T @ 5.00 GHz
287
Intel Core i7-6700 Intel Core i7-6700
4C 8T @ 4.00 GHz
284
Intel Core i5-8400 Intel Core i5-8400
6C 6T @ 4.00 GHz
283
Valve Steam Deck (AMD Custom APU 0405) Valve Steam Deck (AMD Custom APU 0405)
4C 8T @ 3.50 GHz
275
Valve Steam Deck (2023 Refresh) Valve Steam Deck (2023 Refresh)
4C 8T @ 3.50 GHz
275
Intel Core i5-8400T Intel Core i5-8400T
6C 6T @ 3.30 GHz
272
AMD Ryzen 5 PRO 5650U AMD Ryzen 5 PRO 5650U
6C 12T @ 4.20 GHz
266

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.
Apple A12X Bionic Apple A12X Bionic
8C 8T @ 2.49 GHz
991
Apple A12Z Bionic Apple A12Z Bionic
8C 8T @ 2.49 GHz
991
AMD Ryzen 7 1700X AMD Ryzen 7 1700X
8C 16T @ 3.80 GHz
981
Valve Steam Deck (AMD Custom APU 0405) Valve Steam Deck (AMD Custom APU 0405)
4C 8T @ 3.50 GHz
975
Valve Steam Deck (2023 Refresh) Valve Steam Deck (2023 Refresh)
4C 8T @ 3.50 GHz
975
Intel Xeon E3-1230 v5 Intel Xeon E3-1230 v5
4C 8T @ 3.80 GHz
975
AMD Ryzen 7 PRO 1700X AMD Ryzen 7 PRO 1700X
8C 16T @ 3.70 GHz
974

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.
Intel Core i5-1035G7 Intel Core i5-1035G7
4C 8T @ 3.30 GHz
4430
Intel Core i7-4770 Intel Core i7-4770
4C 8T @ 3.60 GHz
4415
Intel Core i7-4770R Intel Core i7-4770R
4C 8T @ 3.60 GHz
4412
Valve Steam Deck (AMD Custom APU 0405) Valve Steam Deck (AMD Custom APU 0405)
4C 8T @ 2.80 GHz
4359
Valve Steam Deck (2023 Refresh) Valve Steam Deck (2023 Refresh)
4C 8T @ 2.80 GHz
4359
Intel Core i5-1035G4 Intel Core i5-1035G4
4C 8T @ 3.30 GHz
4332
Intel Core i7-1060NG7 Intel Core i7-1060NG7
4C 8T @ 2.80 GHz
4329

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.
Intel Xeon D-2142IT Intel Xeon D-2142IT
8C 16T @ 3.00 GHz
850
Intel Xeon D-2145NT Intel Xeon D-2145NT
8C 16T @ 3.00 GHz
850
Intel Xeon D-2161I Intel Xeon D-2161I
12C 24T @ 3.00 GHz
850
Valve Steam Deck (AMD Custom APU 0405) Valve Steam Deck (AMD Custom APU 0405)
4C 8T @ 3.50 GHz
849
Intel Pentium G4400 Intel Pentium G4400
2C 2T @ 3.30 GHz
847
Intel Core i7-6870HQ Intel Core i7-6870HQ
4C 8T @ 3.60 GHz
846
Intel Core i5-7500T Intel Core i5-7500T
4C 4T @ 3.30 GHz
846

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.
Intel Core i5-9500TE Intel Core i5-9500TE
6C 6T @ 2.20 GHz
3611
Intel Core i5-8400T Intel Core i5-8400T
6C 6T @ 2.80 GHz
3607
AMD Ryzen 3 PRO 4450U AMD Ryzen 3 PRO 4450U
4C 8T @ 3.50 GHz
3602
Valve Steam Deck (AMD Custom APU 0405) Valve Steam Deck (AMD Custom APU 0405)
4C 8T @ 2.80 GHz
3592
Samsung Exynos 2200 Samsung Exynos 2200
8C 8T @ 2.80 GHz
3586
Intel Xeon E5-2609 v4 Intel Xeon E5-2609 v4
8C 8T @ 1.70 GHz
3568
Intel Core i3-9320 Intel Core i3-9320
4C 4T @ 4.00 GHz
3563

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.
Intel Core i5-8269U Intel Core i5-8269U
4C 8T @ 4.20 GHz
1281
Intel Core i3-N300 Intel Core i3-N300
8C 8T @ 3.80 GHz
1280
Intel Core i3-N305 Intel Core i3-N305
8C 8T @ 3.80 GHz
1280
Valve Steam Deck (AMD Custom APU 0405) Valve Steam Deck (AMD Custom APU 0405)
4C 8T @ 3.50 GHz
1278
Intel Core i3-1000NG4 Intel Core i3-1000NG4
4C 8T @ 3.20 GHz
1278
Intel Xeon Gold 5220R Intel Xeon Gold 5220R
24C 48T @ 4.00 GHz
1278
AMD EPYC 7742 AMD EPYC 7742
64C 128T @ 3.40 GHz
1278

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.
Intel Xeon E3-1545M v5 Intel Xeon E3-1545M v5
4C 8T @ 3.40 GHz
4389
Intel Core i5-8279U Intel Core i5-8279U
4C 8T @ 3.60 GHz
4382
Intel Core i7-8557U Intel Core i7-8557U
4C 8T @ 3.40 GHz
4382
Valve Steam Deck (AMD Custom APU 0405) Valve Steam Deck (AMD Custom APU 0405)
4C 8T @ 2.80 GHz
4365
Intel Xeon E3-1505M v6 Intel Xeon E3-1505M v6
4C 8T @ 3.00 GHz
4365
Intel Core i5-10200H Intel Core i5-10200H
4C 8T @ 2.40 GHz
4355
Intel Core i7-8706G Intel Core i7-8706G
4C 8T @ 3.60 GHz
4354

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 5 PRO 3350G AMD Ryzen 5 PRO 3350G
AMD Radeon RX Vega 10 (Raven Ridge) @ 1.30 GHz
1664
AMD Ryzen 7 2700U AMD Ryzen 7 2700U
AMD Radeon RX Vega 10 (Raven Ridge) @ 1.30 GHz
1664
AMD Ryzen 7 PRO 2700U AMD Ryzen 7 PRO 2700U
AMD Radeon RX Vega 10 (Raven Ridge) @ 1.30 GHz
1664
Valve Steam Deck (AMD Custom APU 0405) Valve Steam Deck (AMD Custom APU 0405)
AMD Custom Radeon Graphics (Steam Deck) @ 1.60 GHz
1638
Valve Steam Deck (2023 Refresh) Valve Steam Deck (2023 Refresh)
AMD Custom Radeon Graphics (Steam Deck) @ 1.60 GHz
1638
AMD Ryzen 5 PRO 5675U AMD Ryzen 5 PRO 5675U
AMD Radeon RX Vega 7 (Renoir) @ 1.80 GHz
1612
AMD Ryzen 5 5625U AMD Ryzen 5 5625U
AMD Radeon RX Vega 7 (Renoir) @ 1.80 GHz
1612

Benchmarks





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