Intel Processor U300 vs AMD EPYC 7643
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CPU comparison with benchmarks
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| Intel Processor U300 | AMD EPYC 7643 | |
CPU comparisonIn this CPU comparison, we compare the Intel Processor U300 and the AMD EPYC 7643 and use benchmarks to check which processor is faster.
We compare the Intel Processor U300 5 core processor released in Q1/2023 with the AMD EPYC 7643 which has 48 CPU cores and was introduced in Q1/2021. |
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| Intel Processor U (4) | Family | AMD EPYC (129) |
| Intel Core i 1300P/1300U (29) | CPU group | AMD EPYC 7003 (29) |
| 13 | Generation | 3 |
| Raptor Lake U | Architecture | Milan (Zen 3) |
| Mobile | Segment | Desktop / Server |
| -- | Predecessor | AMD EPYC 7642 |
| -- | Successor | -- |
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CPU Cores and Base FrequencyThe Intel Processor U300 is a 5 core processor with a clock frequency of 1.20 GHz (4.40 GHz). The processor can compute 6 threads at the same time. The AMD EPYC 7643 clocks with 2.30 GHz (3.60 GHz), has 48 CPU cores and can calculate 96 threads in parallel. |
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| Intel Processor U300 | Characteristic | AMD EPYC 7643 |
| 5 | Cores | 48 |
| 6 | Threads | 96 |
| hybrid (big.LITTLE) | Core architecture | normal |
| Yes | Hyperthreading | Yes |
| No | Overclocking ? | No |
| 1.20 GHz (4.40 GHz) 1x Raptor Cove |
A-Core | 2.30 GHz (3.60 GHz) 48x Zen 3 |
| 0.90 GHz (3.30 GHz) 4x Gracemont |
B-Core | -- |
Internal GraphicsGraphics (iGPU) integrated into the processor not only enable image output without having to rely on a dedicated graphics solution, but can also efficiently accelerate video playback. |
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| Intel UHD Graphics 13th Gen (48 EU) | GPU | no iGPU |
| 0.20 GHz | GPU frequency | -- |
| 1.10 GHz | GPU (Turbo) | -- |
| 13 | GPU Generation | -- |
| 10 nm | Technology | |
| 3 | Max. displays | |
| 48 | Compute units | -- |
| 384 | Shader | -- |
| No | Hardware Raytracing | No |
| No | Frame Generation | No |
| 32 GB | Max. GPU Memory | -- |
| 12.1 | 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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| Intel UHD Graphics 13th Gen (48 EU) | 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 | Codec VP8 | No |
| Decode | Codec AV1 | No |
| Decode / Encode | Codec AVC | No |
| Decode | Codec VC-1 | No |
| Decode / Encode | Codec JPEG | No |
Memory & PCIeUp to 96 GB of memory in a maximum of 2 memory channels is supported by the Intel Processor U300, while the AMD EPYC 7643 supports a maximum of 4096 GB of memory with a maximum memory bandwidth of 204.8 GB/s enabled. |
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| Intel Processor U300 | Characteristic | AMD EPYC 7643 |
| LPDDR5-5200, LPDDR4X-4266, DDR5-5200, DDR4-3200 | Memory | DDR4-3200 |
| 96 GB | Max. Memory | 4096 GB |
| 2 (Dual Channel) | Memory channels | 8 (Octa Channel) |
| 83.2 GB/s | Max. Bandwidth | 204.8 GB/s |
| No | ECC | Yes |
| -- | L2 Cache | -- |
| 10.00 MB | L3 Cache | 256.00 MB |
| 4.0 | PCIe version | 4.0 |
| 20 | PCIe lanes | 128 |
| 39.4 GB/s | PCIe Bandwidth | 252.0 GB/s |
Thermal ManagementThe Intel Processor U300 has a TDP of 15 W. The TDP of the AMD EPYC 7643 is 240 W. System integrators use the TDP of the processor as a guide when dimensioning the cooling solution. |
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| Intel Processor U300 | Characteristic | AMD EPYC 7643 |
| 15 W | TDP (PL1 / PBP) | 240 W |
| 55 W | TDP (PL2) | -- |
| -- | TDP up | -- |
| 12 W | TDP down | 225 W |
| 100 °C | Tjunction max. | -- |
Technical detailsThe Intel Processor U300 has 10.00 MB cache and is manufactured in 10 nm. The cache of AMD EPYC 7643 is at 256.00 MB. The processor is manufactured in 7 nm. |
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| Intel Processor U300 | Characteristic | AMD EPYC 7643 |
| 10 nm | Technology | 7 nm |
| Monolithic | Chip design | Chiplet |
| x86-64 (64 bit) | Instruction set (ISA) | x86-64 (64 bit) |
| SSE4.1, SSE4.2, AVX2 | ISA extensions | SSE4a, SSE4.1, SSE4.2, AVX2, FMA3 |
| BGA 1744 | Socket | SP3 |
| VT-x, VT-x EPT, VT-d | Virtualization | AMD-V, SVM |
| Yes | AES-NI | Yes |
| Windows 10, Windows 11, Linux | Operating systems | Windows 10, Linux |
| Q1/2023 | Release date | Q1/2021 |
| -- | Release price | 4995 $ |
| show more data | show more data | |
5C 6T @ 1.20 GHz (4.40 GHz) buy now on Amazon and save!
48C 96T @ 2.30 GHz (3.60 GHz) buy now on Amazon and save!
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Rate these processors
Average performance in benchmarks
⌀ Single core performance in 1 CPU benchmarks
⌀ Multi core performance in 2 CPU benchmarks
Geekbench 6 (Single-Core)
Geekbench 6 is a benchmark for modern computers, notebooks and smartphones. What is new is an optimized utilization of newer CPU architectures, e.g. based on the big.LITTLE concept and combining CPU cores of different sizes. The single-core benchmark only evaluates the performance of the fastest CPU core, the number of CPU cores in a processor is irrelevant here.
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Intel Processor U300
5C 6T @ 4.40 GHz |
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AMD EPYC 7643
48C 96T @ 3.60 GHz |
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Geekbench 6 (Multi-Core)
Geekbench 6 is a benchmark for modern computers, notebooks and smartphones. What is new is an optimized utilization of newer CPU architectures, e.g. based on the big.LITTLE concept and combining CPU cores of different sizes. The multi-core benchmark evaluates the performance of all of the processor's CPU cores. Virtual thread improvements such as AMD SMT or Intel's Hyper-Threading have a positive impact on the benchmark result.
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Intel Processor U300
5C 6T @ 1.20 GHz |
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AMD EPYC 7643
48C 96T @ 3.40 GHz |
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Estimated results for PassMark CPU Mark
Some of the CPUs listed below have been benchmarked by CPU-monkey. However the majority of CPUs have not been tested and the results have been estimated by a CPU-monkey’s secret proprietary formula. As such they do not accurately reflect the actual Passmark CPU mark values and are not endorsed by PassMark Software Pty Ltd.
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Intel Processor U300
5C 6T @ 1.20 GHz |
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AMD EPYC 7643
48C 96T @ 3.40 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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Intel Processor U300
5C 6T @ 4.40 GHz |
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AMD EPYC 7643
48C 96T @ 3.60 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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Intel Processor U300
5C 6T @ 1.20 GHz |
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AMD EPYC 7643
48C 96T @ 3.40 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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Intel Processor U300
Intel UHD Graphics 13th Gen (48 EU) @ 1.10 GHz |
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AMD EPYC 7643
@ 0.00 GHz |
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Devices using this processor |
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| Intel Processor U300 | AMD EPYC 7643 |
| Unknown | Unknown |
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