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AMD EPYC 7643 vs Intel Core i3-11100B
Last updated:
Benchmarks
Performance Overview
Average performance across multiple benchmarks
Single-core performance
Multi-core performance
Geekbench 5, 64bit Single-Core
Single-core performance
AMD EPYC 7643
94 %
48C / 96T · 3.60 GHz
Intel Core i3-11100B
100 %
4C / 8T · 4.40 GHz
Geekbench 5, 64bit Multi-Core
Multi-core performance
AMD EPYC 7643
100 %
48C / 96T · 3.40 GHz
Intel Core i3-11100B
13 %
4C / 8T · 4.30 GHz
More benchmarks
Specifications
At a glance
|
Wischen
|
AMD EPYC 7643 | Intel Core i3-11100B |
|---|---|---|
| Family | AMD EPYC (147) | Intel Core i3 (205) |
| CPU group | AMD EPYC 7003 (29) | Intel Core i 11000 (22) |
| Architecture | Milan (Zen 3) | Rocket Lake S |
| Technology | 7 nm | 14 nm |
| Segment | Server | Desktop |
| Socket | SP3 | LGA 1200 |
| Predecessor | AMD EPYC 7642 | |
| Successor | Intel Core i3-12100 |
CPU Cores and Base Frequency
|
Wischen
|
AMD EPYC 7643 | Intel Core i3-11100B |
|---|---|---|
| CPU Cores / Threads | 48 / 96 | 4 / 8 |
| Hyperthreading / SMT | ✓ | ✓ |
| Core architecture | normal | normal |
| Cores: | 48x Zen 3 | 4x |
| Frequency: | 2.30 GHz | 3.60 GHz |
| Turbo (1 Core): | 3.60 GHz | 4.40 GHz |
| Turbo (All Cores): | 3.40 GHz | 4.30 GHz |
| L2-Cache | ||
| L3-Cache | 256.00 MB | 12.00 MB |
| Overclocking | ✗ | ✗ |
Integrated graphics (iGPU)
|
Wischen
|
AMD EPYC 7643 | Intel Core i3-11100B |
|---|---|---|
| GPU name | no iGPU | Intel UHD Graphics 11th Gen (16 EU) |
| GPU frequency | 0.35 - 1.40 GHz | |
| CUs / Shader | / | 16 / 128 |
| Raytracing | ✗ | ✗ |
| Max. displays | 3 | |
| Max. GPU Memory | 64 GB | |
| Technology | 10 nm | |
| Release date | Q2/2021 |
NPU AI performance
|
Wischen
|
AMD EPYC 7643 | Intel Core i3-11100B |
|---|---|---|
| AI hardware | ||
| AI specifications | ||
| NPU + CPU + iGPU |
Memory & PCIe
|
Wischen
|
AMD EPYC 7643 | Intel Core i3-11100B |
|---|---|---|
| Memory | DDR4-3200 (204.8 GB/s) | DDR4-3200 (51.2 GB/s) |
| Max. Memory | 4096 GB | 128 GB |
| Memory channels | 8 | 2 |
| ECC | Yes | No |
| PCIe | 4.0 x 128 | 3.0 x 16 |
| PCIe Bandwidth | 252.0 GB/s | 15.8 GB/s |
Thermal Management
|
Wischen
|
AMD EPYC 7643 | Intel Core i3-11100B |
|---|---|---|
| TDP | 240 W | 65 W |
| TDP (PL2) | ||
| TDP up | ||
| TDP down | 225 W | |
| T. junction max. | 100 °C |
Technical details
|
Wischen
|
AMD EPYC 7643 | Intel Core i3-11100B |
|---|---|---|
| Chip design | Chiplet | Monolithic |
| AES-NI | ✓ | ✓ |
| Operating systems | Windows 10, Linux | Windows 10, Windows 11, Linux |
| Instruction set | x86-64 (64 bit) | x86-64 (64 bit) |
| ISA extensions | SSE4a, SSE4.1, SSE4.2, AVX2, FMA3 | SSE4.1, SSE4.2, AVX2, AVX-512 |
| Release date | Q1/2021 | Q2/2021 |
| Release price | 4995 $ | |
| Documents | Technical data sheet | Technical data sheet |
User Reviews
Your rating
Here you can rate one or both of the processors. The average rating of AMD EPYC 7643 is 5.0 stars (1 ratings), while Intel Core i3-11100B has received 4.0 stars (2 ratings).
Click on the stars to rate one or both processors.
Most popular CPUs in both categories
1
AMD EPYC 7643
48C / 96T · 3.60 GHz
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Apple M3 Ultra (28-CPU 60-GPU)
28C / 28T · 4.06 GHz
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32C / 32T · 4.06 GHz
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Intel Celeron 450
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Intel Core i5-13600KF
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Intel Core i3-11100B
4C / 8T · 4.40 GHz
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