AMD Ryzen 9 4900U | AMD EPYC 9654 | |
CPU comparisonAMD Ryzen 9 4900U or AMD EPYC 9654 - 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 9 4900U has 8 cores with 16 threads and clocks with a maximum frequency of 4.40 GHz. Up to 64 GB of memory is supported in 2 memory channels. The AMD Ryzen 9 4900U was released in Q1/2020. The AMD EPYC 9654 has 96 cores with 192 threads and clocks with a maximum frequency of 3.70 GHz. The CPU supports up to 6144 GB of memory in 12 memory channels. The AMD EPYC 9654 was released in Q4/2022. |
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AMD Ryzen 9 (40) | Family | AMD EPYC (129) |
AMD Ryzen 4000U (11) | CPU group | AMD EPYC 9004 (21) |
3 | Generation | 4 |
Renoir (Zen 2) | Architecture | Genoa / Genoa-X (Zen 4) |
Mobile | Segment | Desktop / Server |
-- | Predecessor | -- |
-- | Successor | AMD EPYC 9655 |
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CPU Cores and Base FrequencyThe AMD Ryzen 9 4900U has 8 CPU cores and can calculate 16 threads in parallel. The clock frequency of the AMD Ryzen 9 4900U is 2.00 GHz (4.40 GHz) while the AMD EPYC 9654 has 96 CPU cores and 192 threads can calculate simultaneously. The clock frequency of the AMD EPYC 9654 is at 2.40 GHz (3.70 GHz). |
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AMD Ryzen 9 4900U | Characteristic | AMD EPYC 9654 |
8 | Cores | 96 |
16 | Threads | 192 |
normal | Core architecture | normal |
Yes | Hyperthreading | Yes |
No | Overclocking ? | No |
2.00 GHz | Frequency | 2.40 GHz |
4.40 GHz | Turbo Frequency (1 Core) | 3.70 GHz |
3.40 GHz | Turbo Frequency (All Cores) | 3.55 GHz |
Integrated graphics (iGPU)The AMD Ryzen 9 4900U or AMD EPYC 9654 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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AMD Radeon RX Vega 8 (Renoir) | GPU | no iGPU |
0.40 GHz | GPU frequency | -- |
1.75 GHz | GPU (Turbo) | -- |
9 | GPU Generation | -- |
7 nm | Technology | |
3 | Max. displays | |
8 | Compute units | -- |
512 | Shader | -- |
No | Hardware Raytracing | No |
No | Frame Generation | No |
8 GB | Max. GPU Memory | -- |
12 | DirectX Version | -- |
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 RX Vega 8 (Renoir) | GPU | no iGPU |
Decode / Encode | Codec h265 / HEVC (8 bit) | No |
Decode / Encode | Codec h265 / HEVC (10 bit) | No |
Decode / Encode | Codec h264 | No |
Decode / Encode | Codec VP9 | No |
Decode / Encode | Codec VP8 | No |
No | Codec AV1 | No |
Decode / Encode | Codec AVC | No |
Decode | Codec VC-1 | No |
Decode / Encode | Codec JPEG | No |
Memory & PCIeThe AMD Ryzen 9 4900U can use up to 64 GB of memory in 2 memory channels. The maximum memory bandwidth is 51.2 GB/s. The AMD EPYC 9654 supports up to 6144 GB of memory in 12 memory channels and achieves a memory bandwidth of up to 460.8 GB/s. |
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AMD Ryzen 9 4900U | Characteristic | AMD EPYC 9654 |
LPDDR4-4266, DDR4-3200 | Memory | DDR5-4800 |
64 GB | Max. Memory | 6144 GB |
2 (Dual Channel) | Memory channels | 12 |
51.2 GB/s | Max. Bandwidth | 460.8 GB/s |
Yes | ECC | Yes |
-- | L2 Cache | 96.00 MB |
8.00 MB | L3 Cache | 384.00 MB |
3.0 | PCIe version | 5.0 |
12 | PCIe lanes | 128 |
11.8 GB/s | PCIe Bandwidth | 504.1 GB/s |
Thermal ManagementThe thermal design power (TDP for short) of the AMD Ryzen 9 4900U is 15 W, while the AMD EPYC 9654 has a TDP of 360 W. The TDP specifies the necessary cooling solution that is required to cool the processor sufficiently. |
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AMD Ryzen 9 4900U | Characteristic | AMD EPYC 9654 |
15 W | TDP (PL1 / PBP) | 360 W |
-- | TDP (PL2) | -- |
25 W | TDP up | 400 W |
10 W | TDP down | 320 W |
105 °C | Tjunction max. | 100 °C |
Technical detailsThe AMD Ryzen 9 4900U is manufactured in 7 nm and has 8.00 MB cache. The AMD EPYC 9654 is manufactured in 5 nm and has a 480.00 MB cache. |
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AMD Ryzen 9 4900U | Characteristic | AMD EPYC 9654 |
7 nm | Technology | 5 nm |
Chiplet | Chip design | Chiplet |
x86-64 (64 bit) | Instruction set (ISA) | x86-64 (64 bit) |
SSE4a, SSE4.1, SSE4.2, AVX2, FMA3 | ISA extensions | SSE4.2, AVX2, AVX-512, BFLOAT16, VNNI |
FP6 | Socket | SP5 |
AMD-V, SVM | Virtualization | AMD-V, SVM |
Yes | AES-NI | Yes |
Windows 10, Windows 11, Linux | Operating systems | Windows Server 2022, Linux, Windows 11 |
Q1/2020 | Release date | Q4/2022 |
-- | Release price | 11805 $ |
show more data | show more data | |
AMD Ryzen 9 4900U
8C 16T @ 4.40 GHz |
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AMD EPYC 9654
96C 192T @ 3.70 GHz |
AMD Ryzen 9 4900U
8C 16T @ 3.40 GHz |
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AMD EPYC 9654
96C 192T @ 3.55 GHz |
AMD Ryzen 9 4900U
8C 16T @ 4.40 GHz |
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AMD EPYC 9654
96C 192T @ 3.70 GHz |
AMD Ryzen 9 4900U
8C 16T @ 4.40 GHz |
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AMD EPYC 9654
96C 192T @ 3.70 GHz |
AMD Ryzen 9 4900U
8C 16T @ 3.40 GHz |
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AMD EPYC 9654
96C 192T @ 3.55 GHz |
AMD Ryzen 9 4900U
8C 16T @ 4.40 GHz |
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AMD EPYC 9654
96C 192T @ 3.70 GHz |
AMD Ryzen 9 4900U
8C 16T @ 3.40 GHz |
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AMD EPYC 9654
96C 192T @ 3.55 GHz |
AMD Ryzen 9 4900U
AMD Radeon RX Vega 8 (Renoir) @ 1.75 GHz |
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AMD EPYC 9654
@ 0.00 GHz |
AMD Ryzen 9 4900U
8C 16T @ 3.40 GHz |
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AMD EPYC 9654
96C 192T @ 3.55 GHz |
AMD Ryzen 9 4900U
8C 16T @ 4.40 GHz |
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AMD EPYC 9654
96C 192T @ 3.70 GHz |
AMD Ryzen 9 4900U
8C 16T @ 3.40 GHz |
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AMD EPYC 9654
96C 192T @ 3.55 GHz |
Devices using this processor |
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AMD Ryzen 9 4900U | AMD EPYC 9654 |
Unknown | Unknown |