AMD EPYC 7643 vs Intel Core i5-1235UL
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CPU comparison with benchmarks
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| AMD EPYC 7643 | Intel Core i5-1235UL | |
CPU comparisonAMD EPYC 7643 or Intel Core i5-1235UL - 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 EPYC 7643 has 48 cores with 96 threads and clocks with a maximum frequency of 3.60 GHz. Up to 4096 GB of memory is supported in 8 memory channels. The AMD EPYC 7643 was released in Q1/2021. The Intel Core i5-1235UL has 10 cores with 12 threads and clocks with a maximum frequency of 4.40 GHz. The CPU supports up to 64 GB of memory in 2 memory channels. The Intel Core i5-1235UL was released in Q3/2022. |
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| AMD EPYC (129) | Family | Intel Core i5 (331) |
| AMD EPYC 7003 (29) | CPU group | Intel Core i 1200P/1200U (21) |
| 3 | Generation | 12 |
| Milan (Zen 3) | Architecture | Alder Lake U |
| Desktop / Server | Segment | Mobile |
| AMD EPYC 7642 | Predecessor | -- |
| -- | Successor | -- |
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CPU Cores and Base FrequencyThe AMD EPYC 7643 has 48 CPU cores and can calculate 96 threads in parallel. The clock frequency of the AMD EPYC 7643 is 2.30 GHz (3.60 GHz) while the Intel Core i5-1235UL has 10 CPU cores and 12 threads can calculate simultaneously. The clock frequency of the Intel Core i5-1235UL is at 2.50 GHz (4.40 GHz). |
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| AMD EPYC 7643 | Characteristic | Intel Core i5-1235UL |
| 48 | Cores | 10 |
| 96 | Threads | 12 |
| normal | Core architecture | hybrid (big.LITTLE) |
| Yes | Hyperthreading | Yes |
| No | Overclocking ? | No |
| 2.30 GHz (3.60 GHz) 48x Zen 3 |
A-Core | 2.50 GHz (4.40 GHz) 2x Golden Cove |
| -- | B-Core | 0.90 GHz (3.30 GHz) 8x Gracemont |
Internal GraphicsThe AMD EPYC 7643 or Intel Core i5-1235UL 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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| no iGPU | GPU | Intel Iris Xe Graphics 80 (Alder Lake) |
| GPU frequency | 0.35 GHz | |
| -- | GPU (Turbo) | 1.20 GHz |
| -- | GPU Generation | 13 |
| Technology | 10 nm | |
| Max. displays | 4 | |
| -- | Compute units | 80 |
| -- | Shader | 640 |
| No | Hardware Raytracing | No |
| No | Frame Generation | No |
| -- | Max. GPU Memory | 32 GB |
| -- | DirectX Version | 12.1 |
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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| no iGPU | GPU | Intel Iris Xe Graphics 80 (Alder Lake) |
| No | Codec h265 / HEVC (8 bit) | Decode / Encode |
| No | Codec h265 / HEVC (10 bit) | Decode / Encode |
| No | Codec h264 | Decode / Encode |
| No | Codec VP9 | Decode / Encode |
| No | Codec VP8 | Decode |
| No | Codec AV1 | Decode |
| No | Codec AVC | Decode / Encode |
| No | Codec VC-1 | Decode |
| No | Codec JPEG | Decode / Encode |
Memory & PCIeThe AMD EPYC 7643 can use up to 4096 GB of memory in 8 memory channels. The maximum memory bandwidth is 204.8 GB/s. The Intel Core i5-1235UL supports up to 64 GB of memory in 2 memory channels and achieves a memory bandwidth of up to 76.8 GB/s. |
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| AMD EPYC 7643 | Characteristic | Intel Core i5-1235UL |
| DDR4-3200 | Memory | DDR5-4800, DDR4-3200 |
| 4096 GB | Max. Memory | 64 GB |
| 8 (Octa Channel) | Memory channels | 2 (Dual Channel) |
| 204.8 GB/s | Max. Bandwidth | 76.8 GB/s |
| Yes | ECC | No |
| -- | L2 Cache | 6.50 MB |
| 256.00 MB | L3 Cache | 12.00 MB |
| 4.0 | PCIe version | 4.0 |
| 128 | PCIe lanes | 28 |
| 252.0 GB/s | PCIe Bandwidth | 55.1 GB/s |
Thermal ManagementThe thermal design power (TDP for short) of the AMD EPYC 7643 is 240 W, while the Intel Core i5-1235UL has a TDP of 15 W. The TDP specifies the necessary cooling solution that is required to cool the processor sufficiently. |
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| AMD EPYC 7643 | Characteristic | Intel Core i5-1235UL |
| 240 W | TDP (PL1 / PBP) | 15 W |
| -- | TDP (PL2) | 55 W |
| -- | TDP up | 28 W |
| 225 W | TDP down | 12 W |
| -- | Tjunction max. | 100 °C |
Technical detailsThe AMD EPYC 7643 is manufactured in 7 nm and has 256.00 MB cache. The Intel Core i5-1235UL is manufactured in 10 nm and has a 18.50 MB cache. |
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| AMD EPYC 7643 | Characteristic | Intel Core i5-1235UL |
| 7 nm | Technology | 10 nm |
| Chiplet | Chip design | Monolithic |
| x86-64 (64 bit) | Instruction set (ISA) | x86-64 (64 bit) |
| SSE4a, SSE4.1, SSE4.2, AVX2, FMA3 | ISA extensions | SSE4.1, SSE4.2, AVX2 |
| SP3 | Socket | BGA 1744 |
| AMD-V, SVM | Virtualization | VT-x, VT-x EPT, VT-d |
| Yes | AES-NI | Yes |
| Windows 10, Linux | Operating systems | Windows 10, Windows 11, Linux |
| Q1/2021 | Release date | Q3/2022 |
| 4995 $ | Release price | -- |
| show more data | show more data | |
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10C 12T @ 2.50 GHz (4.40 GHz) buy now on Amazon and save!
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Rate these processors
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 EPYC 7643
48C 96T @ 3.60 GHz |
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Intel Core i5-1235UL
10C 12T @ 4.40 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 EPYC 7643
48C 96T @ 3.40 GHz |
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Intel Core i5-1235UL
10C 12T @ 3.10 GHz |
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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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AMD EPYC 7643
48C 96T @ 3.60 GHz |
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Intel Core i5-1235UL
10C 12T @ 4.40 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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AMD EPYC 7643
48C 96T @ 3.40 GHz |
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Intel Core i5-1235UL
10C 12T @ 3.10 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 EPYC 7643
@ 0.00 GHz |
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Intel Core i5-1235UL
Intel Iris Xe Graphics 80 (Alder Lake) @ 1.20 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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AMD EPYC 7643
48C 96T @ 3.40 GHz |
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Intel Core i5-1235UL
10C 12T @ 3.10 GHz |
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Devices using this processor |
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| AMD EPYC 7643 | Intel Core i5-1235UL |
| Unknown | Unknown |
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