AMD Ryzen 7 7840U | Valve Steam Deck (2023 Refresh) | |
CPU comparisonAMD Ryzen 7 7840U or Valve Steam Deck (2023 Refresh) - 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 7 7840U has 8 cores with 16 threads and clocks with a maximum frequency of 5.10 GHz. Up to 256 GB of memory is supported in 2 memory channels. The AMD Ryzen 7 7840U was released in Q2/2023. The Valve Steam Deck (2023 Refresh) 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 (2023 Refresh) was released in Q4/2023. |
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AMD Ryzen 7 (67) | Family | AMD Ryzen 5 (84) |
AMD Ryzen 7040 (21) | CPU group | AMD Sephiroth (Steam Deck Refresh 2023) (1) |
6 | Generation | 4 |
Phoenix (Zen 4) | Architecture | Sephiroth (Zen 2) |
Mobile | Segment | Mobile |
-- | Predecessor | Valve Steam Deck (AMD Custom APU 0405) |
AMD Ryzen 7 8840U | Successor | -- |
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CPU Cores and Base FrequencyThe AMD Ryzen 7 7840U is a 8 core processor with a clock frequency of 3.30 GHz (5.10 GHz). The Valve Steam Deck (2023 Refresh) has 4 CPU cores with a clock frequency of 2.40 GHz (3.50 GHz). |
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AMD Ryzen 7 7840U | Characteristic | Valve Steam Deck (2023 Refresh) |
8 | Cores | 4 |
16 | Threads | 8 |
normal | Core architecture | normal |
Yes | Hyperthreading | Yes |
No | Overclocking ? | No |
3.30 GHz | Frequency | 2.40 GHz |
5.10 GHz | Turbo Frequency (1 Core) | 3.50 GHz |
-- | Turbo Frequency (All Cores) | 2.80 GHz |
Artificial Intelligence and Machine LearningProcessors 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. |
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AMD Ryzen 7 7840U | Characteristic | Valve Steam Deck (2023 Refresh) |
AMD Ryzen AI | AI hardware | -- |
AMD dedicated AI XDNA Technology | AI specifications | -- |
Internal GraphicsThe 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. |
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AMD Radeon 780M | GPU | AMD Custom Radeon Graphics (Steam Deck) |
0.80 GHz | GPU frequency | 1.00 GHz |
2.70 GHz | GPU (Turbo) | 1.60 GHz |
3 | GPU Generation | -- |
4 nm | Technology | 7 nm |
4 | Max. displays | 2 |
12 | Compute units | 8 |
768 | Shader | 512 |
Yes | Hardware Raytracing | No |
AMD FSR | Frame Generation | No |
32 GB | Max. GPU Memory | 8 GB |
12 | 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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AMD Radeon 780M | 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 | Codec AVC | Decode / Encode |
Decode | Codec VC-1 | Decode |
Decode / Encode | Codec JPEG | Decode / Encode |
Memory & PCIeThe AMD Ryzen 7 7840U supports a maximum of 256 GB of memory in 2 memory channels. The Valve Steam Deck (2023 Refresh) can connect up to 16 GB of memory in 4 memory channels. |
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AMD Ryzen 7 7840U | Characteristic | Valve Steam Deck (2023 Refresh) |
DDR5-4800, DDR5-5600, LPDDR5-6400, LPDDR5X-7500 | Memory | LPDDR5-6400 |
256 GB | Max. Memory | 16 GB |
2 (Dual Channel) | Memory channels | 4 (Quad Channel) |
120.0 GB/s | Max. Bandwidth | 102.4 GB/s |
Yes | ECC | No |
8.00 MB | L2 Cache | 2.00 MB |
16.00 MB | L3 Cache | 4.00 MB |
4.0 | PCIe version | 3.0 |
20 | PCIe lanes | 8 |
39.4 GB/s | PCIe Bandwidth | 7.9 GB/s |
Thermal ManagementThe TDP (Thermal Design Power) of a processor specifies the required cooling solution. The AMD Ryzen 7 7840U has a TDP of 28 W, that of the Valve Steam Deck (2023 Refresh) is 15 W. |
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AMD Ryzen 7 7840U | Characteristic | Valve Steam Deck (2023 Refresh) |
28 W | TDP (PL1 / PBP) | 15 W |
-- | TDP (PL2) | -- |
30 W | TDP up | -- |
15 W | TDP down | 4 W |
100 °C | Tjunction max. | 100 °C |
Technical detailsThe AMD Ryzen 7 7840U has a 24.00 MB cache, while the Valve Steam Deck (2023 Refresh) cache has a total of 6.00 MB. |
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AMD Ryzen 7 7840U | Characteristic | Valve Steam Deck (2023 Refresh) |
4 nm | Technology | 6 nm |
Monolithic | Chip design | Monolithic |
x86-64 (64 bit) | Instruction set (ISA) | x86-64 (64 bit) |
SSE4a, SSE4.1, SSE4.2,FMA3, AVX2, AVX512 | ISA extensions | SSE4a, SSE4.1, SSE4.2, AVX2, FMA3 |
FP8 | Socket | FF3 |
AMD-V, SVM | Virtualization | AMD-V, SVM |
Yes | AES-NI | Yes |
Windows 10, Windows 11, Linux | Operating systems | SteamOS (Arch Linux) |
Q2/2023 | Release date | Q4/2023 |
-- | Release price | -- |
show more data | show more data | |
AMD Ryzen 7 7840U
8C 16T @ 5.10 GHz |
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Valve Steam Deck (2023 Refresh)
4C 8T @ 3.50 GHz |
AMD Ryzen 7 7840U
8C 16T @ 3.30 GHz |
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Valve Steam Deck (2023 Refresh)
4C 8T @ 2.80 GHz |
AMD Ryzen 7 7840U
8C 16T @ 5.10 GHz |
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Valve Steam Deck (2023 Refresh)
4C 8T @ 3.50 GHz |
AMD Ryzen 7 7840U
8C 16T @ 3.30 GHz |
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Valve Steam Deck (2023 Refresh)
4C 8T @ 2.80 GHz |
AMD Ryzen 7 7840U
AMD Radeon 780M @ 2.70 GHz |
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Valve Steam Deck (2023 Refresh)
AMD Custom Radeon Graphics (Steam Deck) @ 1.60 GHz |
AMD Ryzen 7 7840U
8C 16T @ 5.10 GHz |
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Valve Steam Deck (2023 Refresh)
4C 8T @ 3.50 GHz |
AMD Ryzen 7 7840U
8C 16T @ 5.10 GHz |
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Valve Steam Deck (2023 Refresh)
4C 8T @ 3.50 GHz |
AMD Ryzen 7 7840U
8C 16T @ 5.10 GHz |
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Valve Steam Deck (2023 Refresh)
4C 8T @ 3.50 GHz |
AMD Ryzen 7 7840U
8C 16T @ 3.30 GHz |
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Valve Steam Deck (2023 Refresh)
4C 8T @ 2.80 GHz |
AMD Ryzen 7 7840U
8C 16T @ 3.30 GHz |
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Valve Steam Deck (2023 Refresh)
4C 8T @ 2.80 GHz |
AMD Ryzen 7 7840U
13,450 CB R23 MC @ 30 W |
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Valve Steam Deck (2023 Refresh)
2.40 GHz |
AMD Ryzen 7 7840U
8C 16T @ 3.30 GHz |
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Valve Steam Deck (2023 Refresh)
4C 8T @ 2.40 GHz |
Devices using this processor |
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AMD Ryzen 7 7840U | Valve Steam Deck (2023 Refresh) |
AOKZOE A1 Pro | Valve Steam Deck (2023 Refresh) |