AMD EPYC 9684X | Valve Steam Deck (2023 Refresh) | |
CPU comparisonAMD EPYC 9684X 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 EPYC 9684X has 96 cores with 192 threads and clocks with a maximum frequency of 3.70 GHz. Up to 6144 GB of memory is supported in 12 memory channels. The AMD EPYC 9684X 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 EPYC (129) | Family | AMD Ryzen 5 (86) |
AMD EPYC 9004 (21) | CPU group | AMD Sephiroth (Steam Deck Refresh 2023) (1) |
4 | Generation | 4 |
Genoa / Genoa-X (Zen 4) | Architecture | Sephiroth (Zen 2) |
Desktop / Server | Segment | Mobile |
-- | Predecessor | Valve Steam Deck (AMD Custom APU 0405) |
-- | Successor | -- |
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CPU Cores and Base FrequencyThe AMD EPYC 9684X has 96 CPU cores and can calculate 192 threads in parallel. The clock frequency of the AMD EPYC 9684X is 2.55 GHz (3.70 GHz) while the Valve Steam Deck (2023 Refresh) has 4 CPU cores and 8 threads can calculate simultaneously. The clock frequency of the Valve Steam Deck (2023 Refresh) is at 2.40 GHz (3.50 GHz). |
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AMD EPYC 9684X | Characteristic | Valve Steam Deck (2023 Refresh) |
96 | Cores | 4 |
192 | Threads | 8 |
normal | Core architecture | normal |
Yes | Hyperthreading | Yes |
No | Overclocking ? | No |
2.55 GHz | Frequency | 2.40 GHz |
3.70 GHz | Turbo Frequency (1 Core) | 3.50 GHz |
3.42 GHz | Turbo Frequency (All Cores) | 2.80 GHz |
Integrated graphics (iGPU)The AMD EPYC 9684X or Valve Steam Deck (2023 Refresh) has integrated graphics, called iGPU for short. The iGPU uses the system's main memory as graphics memory and sits on the processor's die. |
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no iGPU | GPU | AMD Custom Radeon Graphics (Steam Deck) |
GPU frequency | 1.00 GHz | |
-- | GPU (Turbo) | 1.60 GHz |
-- | GPU Generation | -- |
Technology | 7 nm | |
Max. displays | 2 | |
-- | Compute units | 8 |
-- | Shader | 512 |
No | Hardware Raytracing | No |
No | Frame Generation | No |
-- | Max. GPU Memory | 8 GB |
-- | 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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no iGPU | GPU | AMD Custom Radeon Graphics (Steam Deck) |
No | Codec h265 / HEVC (8 bit) | Decode / Encode |
No | Codec h265 / HEVC (10 bit) | Decode / Encode |
No | Codec h264 | Decode / Encode |
No | Codec VP9 | Decode / Encode |
No | Codec VP8 | Decode / Encode |
No | Codec AV1 | No |
No | Codec AVC | Decode / Encode |
No | Codec VC-1 | Decode |
No | Codec JPEG | Decode / Encode |
Memory & PCIeThe AMD EPYC 9684X can use up to 6144 GB of memory in 12 memory channels. The maximum memory bandwidth is 460.8 GB/s. The Valve Steam Deck (2023 Refresh) supports up to 16 GB of memory in 4 memory channels and achieves a memory bandwidth of up to 102.4 GB/s. |
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AMD EPYC 9684X | Characteristic | Valve Steam Deck (2023 Refresh) |
DDR5-4800 | Memory | LPDDR5-6400 |
6144 GB | Max. Memory | 16 GB |
12 | Memory channels | 4 (Quad Channel) |
460.8 GB/s | Max. Bandwidth | 102.4 GB/s |
Yes | ECC | No |
-- | L2 Cache | 2.00 MB |
1,152.00 MB | L3 Cache | 4.00 MB |
5.0 | PCIe version | 3.0 |
128 | PCIe lanes | 8 |
504.1 GB/s | PCIe Bandwidth | 7.9 GB/s |
Thermal ManagementThe thermal design power (TDP for short) of the AMD EPYC 9684X is 400 W, while the Valve Steam Deck (2023 Refresh) has a TDP of 15 W. The TDP specifies the necessary cooling solution that is required to cool the processor sufficiently. |
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AMD EPYC 9684X | Characteristic | Valve Steam Deck (2023 Refresh) |
400 W | TDP (PL1 / PBP) | 15 W |
-- | TDP (PL2) | -- |
-- | TDP up | -- |
320 W | TDP down | 4 W |
100 °C | Tjunction max. | 100 °C |
Technical detailsThe AMD EPYC 9684X is manufactured in 5 nm and has 1,152.00 MB cache. The Valve Steam Deck (2023 Refresh) is manufactured in 6 nm and has a 6.00 MB cache. |
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AMD EPYC 9684X | Characteristic | Valve Steam Deck (2023 Refresh) |
5 nm | Technology | 6 nm |
Chiplet | Chip design | Monolithic |
x86-64 (64 bit) | Instruction set (ISA) | x86-64 (64 bit) |
SSE4.2, AVX2, AVX-512, BFLOAT16, VNNI | ISA extensions | SSE4a, SSE4.1, SSE4.2, AVX2, FMA3 |
SP5 | Socket | FF3 |
AMD-V, SVM | Virtualization | AMD-V, SVM |
Yes | AES-NI | Yes |
Windows Server 2022, Linux, Windows 11 | Operating systems | SteamOS (Arch Linux) |
Q2/2023 | Release date | Q4/2023 |
14756 $ | Release price | -- |
show more data | show more data | |
AMD EPYC 9684X
96C 192T @ 3.70 GHz |
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Valve Steam Deck (2023 Refresh)
4C 8T @ 3.50 GHz |
AMD EPYC 9684X
96C 192T @ 3.70 GHz |
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Valve Steam Deck (2023 Refresh)
4C 8T @ 3.50 GHz |
AMD EPYC 9684X
96C 192T @ 3.70 GHz |
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Valve Steam Deck (2023 Refresh)
4C 8T @ 3.50 GHz |
AMD EPYC 9684X
96C 192T @ 3.42 GHz |
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Valve Steam Deck (2023 Refresh)
4C 8T @ 2.80 GHz |
AMD EPYC 9684X
96C 192T @ 3.70 GHz |
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Valve Steam Deck (2023 Refresh)
4C 8T @ 3.50 GHz |
AMD EPYC 9684X
96C 192T @ 3.42 GHz |
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Valve Steam Deck (2023 Refresh)
4C 8T @ 2.80 GHz |
AMD EPYC 9684X
@ 0.00 GHz |
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Valve Steam Deck (2023 Refresh)
AMD Custom Radeon Graphics (Steam Deck) @ 1.60 GHz |
Devices using this processor |
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AMD EPYC 9684X | Valve Steam Deck (2023 Refresh) |
Unknown | Valve Steam Deck (2023 Refresh) |