AMD Ryzen 9 4900U vs AMD A12-9800
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CPU comparison with benchmarks
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| AMD Ryzen 9 4900U | AMD A12-9800 | |
CPU comparisonAMD Ryzen 9 4900U or AMD A12-9800 - 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 A12-9800 has 4 cores with 4 threads and clocks with a maximum frequency of 4.20 GHz. The CPU supports up to 64 GB of memory in 2 memory channels. The AMD A12-9800 was released in Q3/2017. |
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| AMD Ryzen 9 (40) | Family | AMD A (112) |
| AMD Ryzen 4000U (11) | CPU group | AMD A12-9800 (1) |
| 3 | Generation | 7 |
| Renoir (Zen 2) | Architecture | Excavator (Bristol Ridge) |
| Mobile | Segment | Desktop / Server |
| -- | Predecessor | -- |
| -- | Successor | -- |
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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 A12-9800 has 4 CPU cores and 4 threads can calculate simultaneously. The clock frequency of the AMD A12-9800 is at 3.80 GHz (4.20 GHz). |
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| AMD Ryzen 9 4900U | Characteristic | AMD A12-9800 |
| 8 | Cores | 4 |
| 16 | Threads | 4 |
| normal | Core architecture | normal |
| Yes | Hyperthreading | No |
| No | Overclocking ? | No |
| 2.00 GHz | Frequency | 3.80 GHz |
| 4.40 GHz | Turbo Frequency (1 Core) | 4.20 GHz |
| 3.40 GHz | Turbo Frequency (All Cores) | -- |
Integrated graphics (iGPU)The AMD Ryzen 9 4900U or AMD A12-9800 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 | AMD Radeon R7 - 512 (Bristol Ridge) |
| 0.40 GHz | GPU frequency | 1.11 GHz |
| 1.75 GHz | GPU (Turbo) | -- |
| 9 | GPU Generation | 6 |
| 7 nm | Technology | 28 nm |
| 3 | Max. displays | 2 |
| 8 | Compute units | 8 |
| 512 | Shader | 512 |
| No | Hardware Raytracing | No |
| No | Frame Generation | No |
| 8 GB | Max. GPU Memory | 2 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 RX Vega 8 (Renoir) | GPU | AMD Radeon R7 - 512 (Bristol Ridge) |
| Decode / Encode | Codec h265 / HEVC (8 bit) | No |
| Decode / Encode | Codec h265 / HEVC (10 bit) | No |
| Decode / Encode | Codec h264 | Decode |
| Decode / Encode | Codec VP9 | No |
| Decode / Encode | Codec VP8 | No |
| No | Codec AV1 | No |
| Decode / Encode | Codec AVC | Decode |
| Decode | Codec VC-1 | Decode |
| Decode / Encode | Codec JPEG | Decode / Encode |
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 A12-9800 supports up to 64 GB of memory in 2 memory channels and achieves a memory bandwidth of up to 38.4 GB/s. |
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| AMD Ryzen 9 4900U | Characteristic | AMD A12-9800 |
| LPDDR4-4266, DDR4-3200 | Memory | DDR4-2400 |
| 64 GB | Max. Memory | 64 GB |
| 2 (Dual Channel) | Memory channels | 2 (Dual Channel) |
| 51.2 GB/s | Max. Bandwidth | 38.4 GB/s |
| Yes | ECC | No |
| -- | L2 Cache | 2.00 MB |
| 8.00 MB | L3 Cache | -- |
| 3.0 | PCIe version | 3.0 |
| 12 | PCIe lanes | 8 |
| 11.8 GB/s | PCIe Bandwidth | 7.9 GB/s |
Thermal ManagementThe thermal design power (TDP for short) of the AMD Ryzen 9 4900U is 15 W, while the AMD A12-9800 has a TDP of 65 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 A12-9800 |
| 15 W | TDP (PL1 / PBP) | 65 W |
| -- | TDP (PL2) | -- |
| 25 W | TDP up | -- |
| 10 W | TDP down | -- |
| 105 °C | Tjunction max. | 90 °C |
Technical detailsThe AMD Ryzen 9 4900U is manufactured in 7 nm and has 8.00 MB cache. The AMD A12-9800 is manufactured in 28 nm and has a 2.00 MB cache. |
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| AMD Ryzen 9 4900U | Characteristic | AMD A12-9800 |
| 7 nm | Technology | 28 nm |
| Chiplet | Chip design | Unknown |
| x86-64 (64 bit) | Instruction set (ISA) | x86-64 (64 bit) |
| SSE4a, SSE4.1, SSE4.2, AVX2, FMA3 | ISA extensions | SSE4.1, SSE4.2, AVX, AVX2, FMA3, FMA4 |
| FP6 | Socket | AM4 (PGA 1331) |
| AMD-V, SVM | Virtualization | AMD-V |
| Yes | AES-NI | Yes |
| Windows 10, Windows 11, Linux | Operating systems | Windows 10, Linux |
| Q1/2020 | Release date | Q3/2017 |
| -- | Release price | -- |
| show more data | show more data | |
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Rate these processors
Average performance in benchmarks
⌀ Single core performance in 4 CPU benchmarks
⌀ Multi core performance in 3 CPU benchmarks
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.
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AMD Ryzen 9 4900U
8C 16T @ 4.40 GHz |
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AMD A12-9800
4C 4T @ 4.20 GHz |
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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.
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AMD Ryzen 9 4900U
8C 16T @ 4.40 GHz |
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AMD A12-9800
4C 4T @ 4.20 GHz |
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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.
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AMD Ryzen 9 4900U
8C 16T @ 3.40 GHz |
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AMD A12-9800
4C 4T @ 3.80 GHz |
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Cinebench R20 (Single-Core)
Cinebench R20 is the successor of Cinebench R15 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.
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AMD Ryzen 9 4900U
8C 16T @ 4.40 GHz |
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AMD A12-9800
4C 4T @ 4.20 GHz |
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Cinebench R20 (Multi-Core)
Cinebench R20 is the successor of Cinebench R15 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.
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AMD Ryzen 9 4900U
8C 16T @ 3.40 GHz |
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AMD A12-9800
4C 4T @ 3.80 GHz |
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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.
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AMD Ryzen 9 4900U
AMD Radeon RX Vega 8 (Renoir) @ 1.75 GHz |
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AMD A12-9800
AMD Radeon R7 - 512 (Bristol Ridge) @ 1.11 GHz |
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Cinebench R15 (Single-Core)
Cinebench R15 is the successor of Cinebench 11.5 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.
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AMD Ryzen 9 4900U
8C 16T @ 4.40 GHz |
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AMD A12-9800
4C 4T @ 4.20 GHz |
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Cinebench R15 (Multi-Core)
Cinebench R15 is the successor of Cinebench 11.5 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.
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AMD Ryzen 9 4900U
8C 16T @ 3.40 GHz |
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AMD A12-9800
4C 4T @ 3.80 GHz |
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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.
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AMD Ryzen 9 4900U
8C 16T @ 3.40 GHz |
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AMD A12-9800
4C 4T @ 3.80 GHz |
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Devices using this processor |
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| AMD Ryzen 9 4900U | AMD A12-9800 |
| Unknown | Unknown |
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