AMD A4-9120C | AMD Ryzen Threadripper 3990X | |
CPU comparisonAMD A4-9120C or AMD Ryzen Threadripper 3990X - 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 A4-9120C has 2 cores with 2 threads and clocks with a maximum frequency of 2.40 GHz. Up to 8 GB of memory is supported in 1 memory channels. The AMD A4-9120C was released in Q1/2019. The AMD Ryzen Threadripper 3990X has 64 cores with 128 threads and clocks with a maximum frequency of 4.30 GHz. The CPU supports up to 2048 GB of memory in 4 memory channels. The AMD Ryzen Threadripper 3990X was released in Q1/2020. |
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AMD A (112) | Family | AMD Ryzen Threadripper (13) |
AMD A4-9000 (2) | CPU group | AMD Ryzen Threadripper 3000 (3) |
6 | Generation | 3 |
Stoney Ridge (Excavator) | Architecture | Castle Peak (Zen 2) |
Mobile | Segment | Desktop / Server |
-- | Predecessor | AMD Ryzen Threadripper 2990WX |
-- | Successor | -- |
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CPU Cores and Base FrequencyThe AMD A4-9120C is a 2 core processor with a clock frequency of 1.60 GHz (2.40 GHz). The AMD Ryzen Threadripper 3990X has 64 CPU cores with a clock frequency of 2.90 GHz (4.30 GHz). |
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AMD A4-9120C | Characteristic | AMD Ryzen Threadripper 3990X |
2 | Cores | 64 |
2 | Threads | 128 |
normal | Core architecture | normal |
No | Hyperthreading | Yes |
No | Overclocking ? | Yes |
1.60 GHz | Frequency | 2.90 GHz |
2.40 GHz | Turbo Frequency (1 Core) | 4.30 GHz |
2.00 GHz | Turbo Frequency (All Cores) | 3.20 GHz |
Integrated graphics (iGPU)The 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 R4 (Stoney Ridge) | GPU | no iGPU |
0.60 GHz | GPU frequency | -- |
-- | GPU (Turbo) | -- |
7 | GPU Generation | -- |
28 nm | Technology | |
3 | Max. displays | |
3 | Compute units | -- |
192 | Shader | -- |
No | Hardware Raytracing | No |
No | Frame Generation | No |
2 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 R4 (Stoney Ridge) | GPU | no iGPU |
Decode | Codec h265 / HEVC (8 bit) | No |
Decode | Codec h265 / HEVC (10 bit) | No |
Decode | Codec h264 | No |
Decode | Codec VP9 | No |
Decode | 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 A4-9120C supports a maximum of 8 GB of memory in 1 memory channels. The AMD Ryzen Threadripper 3990X can connect up to 2048 GB of memory in 4 memory channels. |
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AMD A4-9120C | Characteristic | AMD Ryzen Threadripper 3990X |
DDR4-1866 | Memory | DDR4-3200 |
8 GB | Max. Memory | 2048 GB |
1 (Single Channel) | Memory channels | 4 (Quad Channel) |
15.0 GB/s | Max. Bandwidth | 51.2 GB/s |
No | ECC | Yes |
-- | L2 Cache | 32.00 MB |
2.00 MB | L3 Cache | 256.00 MB |
3.0 | PCIe version | 4.0 |
8 | PCIe lanes | 64 |
7.9 GB/s | PCIe Bandwidth | 126.0 GB/s |
Thermal ManagementThe TDP (Thermal Design Power) of a processor specifies the required cooling solution. The AMD A4-9120C has a TDP of 6 W, that of the AMD Ryzen Threadripper 3990X is 280 W. |
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AMD A4-9120C | Characteristic | AMD Ryzen Threadripper 3990X |
6 W | TDP (PL1 / PBP) | 280 W |
-- | TDP (PL2) | -- |
-- | TDP up | -- |
-- | TDP down | -- |
90 °C | Tjunction max. | 95 °C |
Technical detailsThe AMD A4-9120C has a 2.00 MB cache, while the AMD Ryzen Threadripper 3990X cache has a total of 288.00 MB. |
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AMD A4-9120C | Characteristic | AMD Ryzen Threadripper 3990X |
28 nm | Technology | 7 nm |
Unknown | Chip design | Chiplet |
x86-64 (64 bit) | Instruction set (ISA) | x86-64 (64 bit) |
SSE4a, SSE4.1, SSE4.2, AVX, FMA3, FMA4 | ISA extensions | SSE4a, SSE4.1, SSE4.2, AVX2, FMA3 |
FP4 | Socket | TRX4 (sTRX4) |
AMD-V | Virtualization | AMD-V, SVM |
Yes | AES-NI | Yes |
Operating systems | Windows 10, Windows 11, Linux | |
Q1/2019 | Release date | Q1/2020 |
-- | Release price | 3990 $ |
show more data | show more data | |
AMD A4-9120C
2C 2T @ 2.00 GHz |
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AMD Ryzen Threadripper 3990X
64C 128T @ 3.20 GHz |
AMD A4-9120C
2C 2T @ 2.40 GHz |
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AMD Ryzen Threadripper 3990X
64C 128T @ 4.30 GHz |
AMD A4-9120C
2C 2T @ 2.40 GHz |
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AMD Ryzen Threadripper 3990X
64C 128T @ 4.30 GHz |
AMD A4-9120C
2C 2T @ 2.40 GHz |
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AMD Ryzen Threadripper 3990X
64C 128T @ 4.30 GHz |
AMD A4-9120C
2C 2T @ 2.00 GHz |
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AMD Ryzen Threadripper 3990X
64C 128T @ 3.20 GHz |
AMD A4-9120C
2C 2T @ 2.40 GHz |
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AMD Ryzen Threadripper 3990X
64C 128T @ 4.30 GHz |
AMD A4-9120C
2C 2T @ 2.00 GHz |
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AMD Ryzen Threadripper 3990X
64C 128T @ 3.20 GHz |
AMD A4-9120C
2C 2T @ 2.40 GHz |
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AMD Ryzen Threadripper 3990X
64C 128T @ 4.30 GHz |
AMD A4-9120C
2C 2T @ 2.00 GHz |
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AMD Ryzen Threadripper 3990X
64C 128T @ 3.20 GHz |
AMD A4-9120C
2C 2T @ 2.40 GHz |
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AMD Ryzen Threadripper 3990X
64C 128T @ 4.30 GHz |
AMD A4-9120C
2C 2T @ 2.00 GHz |
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AMD Ryzen Threadripper 3990X
64C 128T @ 3.20 GHz |
AMD A4-9120C
AMD Radeon R4 (Stoney Ridge) @ 0.60 GHz |
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AMD Ryzen Threadripper 3990X
@ 0.00 GHz |
AMD A4-9120C
2C 2T @ 2.00 GHz |
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AMD Ryzen Threadripper 3990X
64C 128T @ 3.20 GHz |
AMD A4-9120C
2C 2T @ 2.00 GHz |
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AMD Ryzen Threadripper 3990X
64C 128T @ 3.20 GHz |
AMD A4-9120C
2C 2T @ 1.60 GHz |
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AMD Ryzen Threadripper 3990X
64C 128T @ 2.90 GHz |
AMD A4-9120C
2C 2T @ 2.40 GHz |
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AMD Ryzen Threadripper 3990X
64C 128T @ 4.30 GHz |
AMD A4-9120C
2C 2T @ 2.00 GHz |
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AMD Ryzen Threadripper 3990X
64C 128T @ 3.20 GHz |
Devices using this processor |
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AMD A4-9120C | AMD Ryzen Threadripper 3990X |
Unknown | Unknown |