Intel Core Ultra 5 135H | Valve Steam Deck (AMD Custom APU 0405) | |
CPU comparisonIn this CPU comparison, we compare the Intel Core Ultra 5 135H and the Valve Steam Deck (AMD Custom APU 0405) and use benchmarks to check which processor is faster.
We compare the Intel Core Ultra 5 135H 14 core processor released in Q4/2023 with the Valve Steam Deck (AMD Custom APU 0405) which has 4 CPU cores and was introduced in Q4/2021. |
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Intel Core Ultra 5 (10) | Family | AMD Ryzen 5 (86) |
Intel Core Ultra 100H (5) | CPU group | AMD Aerith (Steam Deck) (1) |
1 | Generation | 3 |
Meteor Lake H | Architecture | Aerith (Zen 2) |
Mobile | Segment | Mobile |
-- | Predecessor | -- |
-- | Successor | Valve Steam Deck (2023 Refresh) |
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CPU Cores and Base FrequencyThe Intel Core Ultra 5 135H is a 14 core processor with a clock frequency of 1.70 GHz (4.60 GHz). The processor can compute 18 threads at the same time. The Valve Steam Deck (AMD Custom APU 0405) clocks with 2.40 GHz (3.50 GHz), has 4 CPU cores and can calculate 8 threads in parallel. |
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Intel Core Ultra 5 135H | Characteristic | Valve Steam Deck (AMD Custom APU 0405) |
14 | Cores | 4 |
18 | Threads | 8 |
hybrid (big.LITTLE) | Core architecture | normal |
Yes | Hyperthreading | Yes |
No | Overclocking ? | No |
1.70 GHz (4.60 GHz) 4x Redwood Cove |
A-Core | 2.40 GHz (3.50 GHz) |
1.20 GHz (3.60 GHz) 8x Crestmont |
B-Core | -- |
0.70 GHz (2.50 GHz) 2x Crestmont |
C-Core | -- |
NPU AI performanceThe 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. |
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Intel Core Ultra 5 135H | Characteristic | Valve Steam Deck (AMD Custom APU 0405) |
Intel® AI Boost | AI hardware | -- |
Intel AI Boost @ 1.4 GHz (OpenVINO, WindowsML, DirectML, ONNX RT) | AI specifications | -- |
-- | NPU + CPU + iGPU | -- |
Integrated graphics (iGPU)Graphics (iGPU) integrated into the processor not only enable image output without having to rely on a dedicated graphics solution, but can also efficiently accelerate video playback. |
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Intel Iris Xe 8 Core Graphics 128 EUs (Meteor Lake) | GPU | AMD Custom Radeon Graphics (Steam Deck) |
0.60 GHz | GPU frequency | 1.00 GHz |
2.20 GHz | GPU (Turbo) | 1.60 GHz |
-- | GPU Generation | -- |
5 nm | Technology | 7 nm |
4 | Max. displays | 2 |
128 | Compute units | 8 |
1024 | Shader | 512 |
Yes | Hardware Raytracing | No |
No | Frame Generation | No |
32 GB | Max. GPU Memory | 8 GB |
12.2 | DirectX Version | 12 |
Hardware codec supportA 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. |
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Intel Iris Xe 8 Core Graphics 128 EUs (Meteor Lake) | 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 | Codec VP9 | Decode / Encode |
Decode | Codec VP8 | Decode / Encode |
Decode / Encode | Codec AV1 | No |
Decode / Encode | Codec AVC | Decode / Encode |
Decode | Codec VC-1 | Decode |
Decode / Encode | Codec JPEG | Decode / Encode |
Memory & PCIeUp to 96 GB of memory in a maximum of 2 memory channels is supported by the Intel Core Ultra 5 135H, while the Valve Steam Deck (AMD Custom APU 0405) supports a maximum of 16 GB of memory with a maximum memory bandwidth of 88.0 GB/s enabled. |
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Intel Core Ultra 5 135H | Characteristic | Valve Steam Deck (AMD Custom APU 0405) |
LPDDR5X-7500, DDR5-5600 | Memory | LPDDR5-5500 |
96 GB | Max. Memory | 16 GB |
2 (Dual Channel) | Memory channels | 4 (Quad Channel) |
120.0 GB/s | Max. Bandwidth | 88.0 GB/s |
No | ECC | No |
14.00 MB | L2 Cache | 2.00 MB |
18.00 MB | L3 Cache | 4.00 MB |
5.0 | PCIe version | 3.0 |
20 | PCIe lanes | 8 |
78.8 GB/s | PCIe Bandwidth | 7.9 GB/s |
Thermal ManagementThe Intel Core Ultra 5 135H has a TDP of 28 W. The TDP of the Valve Steam Deck (AMD Custom APU 0405) is 15 W. System integrators use the TDP of the processor as a guide when dimensioning the cooling solution. |
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Intel Core Ultra 5 135H | Characteristic | Valve Steam Deck (AMD Custom APU 0405) |
28 W | TDP (PL1 / PBP) | 15 W |
115 W | TDP (PL2) | -- |
65 W | TDP up | -- |
20 W | TDP down | 4 W |
110 °C | Tjunction max. | 100 °C |
Technical detailsThe Intel Core Ultra 5 135H has 32.00 MB cache and is manufactured in 7 nm. The cache of Valve Steam Deck (AMD Custom APU 0405) is at 6.00 MB. The processor is manufactured in 7 nm. |
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Intel Core Ultra 5 135H | Characteristic | Valve Steam Deck (AMD Custom APU 0405) |
7 nm | Technology | 7 nm |
Chiplet | Chip design | Monolithic |
x86-64 (64 bit) | Instruction set (ISA) | x86-64 (64 bit) |
SSE4.1, SSE4.2, AVX2 | ISA extensions | SSE4a, SSE4.1, SSE4.2, AVX2, FMA3 |
BGA 2049 | Socket | FF3 |
VT-x, VT-x EPT, VT-d | Virtualization | AMD-V, SVM |
Yes | AES-NI | Yes |
Windows 11, Linux | Operating systems | SteamOS (Arch Linux) |
Q4/2023 | Release date | Q4/2021 |
-- | Release price | -- |
show more data | show more data | |
Intel Core Ultra 5 135H
14C 18T @ 4.60 GHz |
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Valve Steam Deck (AMD Custom APU 0405)
4C 8T @ 3.50 GHz |
Intel Core Ultra 5 135H
14C 18T @ 4.60 GHz |
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Valve Steam Deck (AMD Custom APU 0405)
4C 8T @ 3.50 GHz |
Intel Core Ultra 5 135H
14C 18T @ 4.60 GHz |
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Valve Steam Deck (AMD Custom APU 0405)
4C 8T @ 3.50 GHz |
Intel Core Ultra 5 135H
14C 18T @ 4.20 GHz |
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Valve Steam Deck (AMD Custom APU 0405)
4C 8T @ 2.80 GHz |
Intel Core Ultra 5 135H
14C 18T @ 4.60 GHz |
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Valve Steam Deck (AMD Custom APU 0405)
4C 8T @ 3.50 GHz |
Intel Core Ultra 5 135H
14C 18T @ 4.20 GHz |
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Valve Steam Deck (AMD Custom APU 0405)
4C 8T @ 2.80 GHz |
Intel Core Ultra 5 135H
14C 18T @ 4.60 GHz |
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Valve Steam Deck (AMD Custom APU 0405)
4C 8T @ 3.50 GHz |
Intel Core Ultra 5 135H
14C 18T @ 4.20 GHz |
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Valve Steam Deck (AMD Custom APU 0405)
4C 8T @ 2.80 GHz |
Intel Core Ultra 5 135H
Intel Iris Xe 8 Core Graphics 128 EUs (Meteor Lake) @ 2.20 GHz |
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Valve Steam Deck (AMD Custom APU 0405)
AMD Custom Radeon Graphics (Steam Deck) @ 1.60 GHz |
Intel Core Ultra 5 135H
14,771 CB R23 MC @ 66 W |
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Valve Steam Deck (AMD Custom APU 0405)
2.40 GHz |
Devices using this processor |
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Intel Core Ultra 5 135H | Valve Steam Deck (AMD Custom APU 0405) |
Unknown | Valve Steam Deck |