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AMD EPYC 7643 vs AMD A4-3400
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
100 %
48C / 96T · 3.60 GHz
AMD A4-3400
26 %
2C / 2T · 2.70 GHz
Geekbench 5, 64bit Multi-Core
Multi-core performance
AMD EPYC 7643
100 %
48C / 96T · 3.40 GHz
AMD A4-3400
2 %
2C / 2T · 2.70 GHz
More benchmarks
Geekbench 6 (SC)
1,989 entries
1,989 entries
Geekbench 6 (MC)
1,927 entries
1,927 entries
Cinebench R20 (SC)
666 entries
666 entries
Geekbench 5 (SC)
2,512 entries
2,512 entries
Cinebench R20 (MC)
615 entries
615 entries
Geekbench 5 (MC)
2,483 entries
2,483 entries
FP32 SP (iGPU)
2,219 entries
2,219 entries
PassMark CPU-Mark
2,504 entries
2,504 entries
CPU-Z Benchmark 17 (MC)
751 entries
751 entries
Cinebench R15 (SC)
1,113 entries
1,113 entries
Cinebench R15 (MC)
1,110 entries
1,110 entries
Geekbench 3 (SC)
945 entries
945 entries
Geekbench 3 (MC)
941 entries
941 entries
Cinebench R11.5 (SC)
826 entries
826 entries
Cinebench R11.5 (MC)
837 entries
837 entries
Specifications
At a glance
|
Wischen
|
AMD EPYC 7643 | AMD A4-3400 |
|---|---|---|
| Family | AMD EPYC (147) | AMD A (112) |
| CPU group | AMD EPYC 7003 (29) | AMD A4-3000 (3) |
| Architecture | Milan (Zen 3) | Llano (K10) |
| Technology | 7 nm | 32 nm |
| Segment | Server | Desktop |
| Socket | SP3 | FM1 |
| Predecessor | AMD EPYC 7642 | |
| Successor |
CPU Cores and Base Frequency
|
Wischen
|
AMD EPYC 7643 | AMD A4-3400 |
|---|---|---|
| CPU Cores / Threads | 48 / 96 | 2 / 2 |
| Hyperthreading / SMT | ✓ | ✗ |
| Core architecture | normal | normal |
| Cores: | 48x Zen 3 | 2x |
| Frequency: | 2.30 GHz | 2.70 GHz |
| Turbo (1 Core): | 3.60 GHz | |
| Turbo (All Cores): | 3.40 GHz | |
| L2-Cache | 1.00 MB | |
| L3-Cache | 256.00 MB | |
| Overclocking | ✗ | ✓ |
Integrated graphics (iGPU)
|
Wischen
|
AMD EPYC 7643 | AMD A4-3400 |
|---|---|---|
| GPU name | no iGPU | AMD Radeon HD 6410D |
| GPU frequency | 0.60 GHz | |
| CUs / Shader | / | 2 / 160 |
| Raytracing | ✗ | ✗ |
| Max. displays | 2 | |
| Max. GPU Memory | 1 GB | |
| Technology | 32 nm | |
| Release date | Q4/2010 |
NPU AI performance
|
Wischen
|
AMD EPYC 7643 | AMD A4-3400 |
|---|---|---|
| AI hardware | ||
| AI specifications | ||
| NPU + CPU + iGPU |
Memory & PCIe
|
Wischen
|
AMD EPYC 7643 | AMD A4-3400 |
|---|---|---|
| Memory | DDR4-3200 (204.8 GB/s) | DDR3-1600 (25.6 GB/s) |
| Max. Memory | 4096 GB | |
| Memory channels | 8 | 2 |
| ECC | Yes | No |
| PCIe | 4.0 x 128 | |
| PCIe Bandwidth | 252.0 GB/s |
Thermal Management
|
Wischen
|
AMD EPYC 7643 | AMD A4-3400 |
|---|---|---|
| TDP | 240 W | 65 W |
| TDP (PL2) | ||
| TDP up | ||
| TDP down | 225 W | |
| T. junction max. |
Technical details
|
Wischen
|
AMD EPYC 7643 | AMD A4-3400 |
|---|---|---|
| Chip design | Chiplet | Unknown |
| AES-NI | ✓ | ✗ |
| Operating systems | Windows 10, Linux | Windows 10, Linux |
| Instruction set | x86-64 (64 bit) | x86-64 (64 bit) |
| ISA extensions | SSE4a, SSE4.1, SSE4.2, AVX2, FMA3 | SSE3, SSE4a |
| Release date | Q1/2021 | Q3/2011 |
| Release price | 4995 $ | 28 $ |
| Documents | 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 AMD A4-3400 has received 4.1 stars (7 ratings).
Click on the stars to rate one or both processors.
Most popular CPUs in both categories
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AMD A4-3400
2C / 2T · 0.00 GHz
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