AMD Ryzen 7 4800U | AMD Ryzen 7 3800XT | |
CPU comparisonAMD Ryzen 7 4800U or AMD Ryzen 7 3800XT - 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 4800U has 8 cores with 16 threads and clocks with a maximum frequency of 4.20 GHz. Up to 64 GB of memory is supported in 2 memory channels. The AMD Ryzen 7 4800U was released in Q1/2020. The AMD Ryzen 7 3800XT has 8 cores with 16 threads and clocks with a maximum frequency of 4.70 GHz. The CPU supports up to 128 GB of memory in 2 memory channels. The AMD Ryzen 7 3800XT was released in Q2/2020. |
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AMD Ryzen 7 (70) | Family | AMD Ryzen 7 (70) |
AMD Ryzen 4000U (11) | CPU group | AMD Ryzen 3000 (15) |
3 | Generation | 3 |
Renoir (Zen 2) | Architecture | Matisse (Zen 2) |
Mobile | Segment | Desktop / Server |
-- | Predecessor | -- |
-- | Successor | AMD Ryzen 7 5800XT |
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CPU Cores and Base FrequencyThe AMD Ryzen 7 4800U is a 8 core processor with a clock frequency of 1.80 GHz (4.20 GHz). The AMD Ryzen 7 3800XT has 8 CPU cores with a clock frequency of 4.20 GHz (4.70 GHz). |
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AMD Ryzen 7 4800U | Characteristic | AMD Ryzen 7 3800XT |
8 | Cores | 8 |
16 | Threads | 16 |
normal | Core architecture | normal |
Yes | Hyperthreading | Yes |
No | Overclocking ? | Yes |
1.80 GHz | Frequency | 4.20 GHz |
4.20 GHz | Turbo Frequency (1 Core) | 4.70 GHz |
3.20 GHz | Turbo Frequency (All Cores) | 4.50 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 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 7 4800U supports a maximum of 64 GB of memory in 2 memory channels. The AMD Ryzen 7 3800XT can connect up to 128 GB of memory in 2 memory channels. |
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AMD Ryzen 7 4800U | Characteristic | AMD Ryzen 7 3800XT |
LPDDR4-4266, DDR4-3200 | Memory | DDR4-3200 |
64 GB | Max. Memory | 128 GB |
2 (Dual Channel) | Memory channels | 2 (Dual Channel) |
51.2 GB/s | Max. Bandwidth | 51.2 GB/s |
Yes | ECC | Yes |
-- | L2 Cache | -- |
8.00 MB | L3 Cache | 32.00 MB |
3.0 | PCIe version | 4.0 |
12 | PCIe lanes | 20 |
11.8 GB/s | PCIe Bandwidth | 39.4 GB/s |
Thermal ManagementThe TDP (Thermal Design Power) of a processor specifies the required cooling solution. The AMD Ryzen 7 4800U has a TDP of 15 W, that of the AMD Ryzen 7 3800XT is 105 W. |
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AMD Ryzen 7 4800U | Characteristic | AMD Ryzen 7 3800XT |
15 W | TDP (PL1 / PBP) | 105 W |
-- | TDP (PL2) | -- |
25 W | TDP up | -- |
10 W | TDP down | -- |
105 °C | Tjunction max. | 95 °C |
Technical detailsThe AMD Ryzen 7 4800U has a 8.00 MB cache, while the AMD Ryzen 7 3800XT cache has a total of 32.00 MB. |
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AMD Ryzen 7 4800U | Characteristic | AMD Ryzen 7 3800XT |
7 nm | Technology | 7 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 | SSE4a, SSE4.1, SSE4.2, AVX2, FMA3 |
FP6 | Socket | AM4 (PGA 1331) |
AMD-V, SVM | Virtualization | AMD-V, SVM |
Yes | AES-NI | Yes |
Windows 10, Windows 11, Linux | Operating systems | Windows 10, Windows 11, Linux |
Q1/2020 | Release date | Q2/2020 |
-- | Release price | -- |
show more data | show more data | |
AMD Ryzen 7 4800U
8C 16T @ 4.20 GHz |
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AMD Ryzen 7 3800XT
8C 16T @ 4.70 GHz |
AMD Ryzen 7 4800U
8C 16T @ 3.20 GHz |
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AMD Ryzen 7 3800XT
8C 16T @ 4.50 GHz |
AMD Ryzen 7 4800U
8C 16T @ 4.20 GHz |
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AMD Ryzen 7 3800XT
8C 16T @ 4.70 GHz |
AMD Ryzen 7 4800U
8C 16T @ 3.20 GHz |
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AMD Ryzen 7 3800XT
8C 16T @ 4.50 GHz |
AMD Ryzen 7 4800U
8C 16T @ 4.20 GHz |
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AMD Ryzen 7 3800XT
8C 16T @ 4.70 GHz |
AMD Ryzen 7 4800U
8C 16T @ 3.20 GHz |
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AMD Ryzen 7 3800XT
8C 16T @ 4.50 GHz |
AMD Ryzen 7 4800U
8C 16T @ 4.20 GHz |
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AMD Ryzen 7 3800XT
8C 16T @ 4.70 GHz |
AMD Ryzen 7 4800U
8C 16T @ 3.20 GHz |
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AMD Ryzen 7 3800XT
8C 16T @ 4.50 GHz |
AMD Ryzen 7 4800U
8C 16T @ 3.20 GHz |
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AMD Ryzen 7 3800XT
8C 16T @ 4.50 GHz |
AMD Ryzen 7 4800U
8C 16T @ 1.80 GHz |
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AMD Ryzen 7 3800XT
8C 16T @ 4.20 GHz |
AMD Ryzen 7 4800U
8C 16T @ 4.20 GHz |
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AMD Ryzen 7 3800XT
8C 16T @ 4.70 GHz |
AMD Ryzen 7 4800U
8C 16T @ 3.20 GHz |
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AMD Ryzen 7 3800XT
8C 16T @ 4.50 GHz |
AMD Ryzen 7 4800U
8C 16T @ 4.20 GHz |
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AMD Ryzen 7 3800XT
8C 16T @ 4.70 GHz |
AMD Ryzen 7 4800U
8C 16T @ 4.20 GHz |
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AMD Ryzen 7 3800XT
8C 16T @ 4.70 GHz |
AMD Ryzen 7 4800U
AMD Radeon RX Vega 8 (Renoir) @ 1.75 GHz |
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AMD Ryzen 7 3800XT
@ 0.00 GHz |
AMD Ryzen 7 4800U
8C 16T @ 4.20 GHz |
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AMD Ryzen 7 3800XT
8C 16T @ 4.70 GHz |
Devices using this processor |
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AMD Ryzen 7 4800U | AMD Ryzen 7 3800XT |
Unknown | Unknown |