AMD Epyc 7642 vs AMD Athlon II X4 638
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AMD Epyc 7642
![AMD Epyc 7642 Image](https://7dfps.com/cpu/product-images//cpu/amd-epyc-7642.jpg)
AMD Athlon II X4 638
![AMD Athlon II X4 638 Image](https://7dfps.com/cpu/product-images//cpu/amd-athlon-ii-x4-638.jpg)
AMD Epyc 7642
AMD Athlon II X4 638
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AMD Epyc 7642 | AMD Athlon II X4 638 |
---|---|---|
Cores | 48 | 4 |
CPU Threads | 96 | 4 |
Base Clock Speed | 2.3GHz | 2.7GHz |
Turbo Clock Speed | 3.3GHz | Not Known |
TDP (THERMAL DESIGN POINT) | 225W | 65W |
Has integrated graphics | ![]() |
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Performance per watt | Not Known | 55.0 |
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AMD Epyc 7642 | AMD Athlon II X4 638 |
---|---|---|
CPU Speed & Cores | 48 x 2.3GHz | 4 x 2.7GHz |
Number of CPU Threads | 96 | 4 |
L2 Cache Size | 24MB | 4MB |
L3 Cache Size | 256MB | Not Known |
Turbo Boost Frequency | 3.3GHz | Not Known |
L1 Cache Size | 3072KB | 512KB |
L2 Core | 0.5MB/core | 1MB/core |
L3 Core | 5.33MB/core | Not Known |
Does it have an unlocked multiplier | ![]() |
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Uses ARM big.LITTLE tech | ![]() |
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Uses ARM HMP | ![]() |
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AMD Epyc 7642 | AMD Athlon II X4 638 |
---|---|---|
Has AES Support | ![]() |
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Supported SSE Version | 4.2 | 4 |
Has AVX Support | ![]() |
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Has MMX Tech Support | ![]() |
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Has F16C Support | ![]() |
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Has FMA4 Instructions Support | ![]() |
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Has Multithreading Tech Support | ![]() |
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Has NX Processor Bit Support | ![]() |
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Has FMA3 Instructions Support | ![]() |
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Supports CPU Throttling | ![]() |
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Supports ARM TrustZone Tech | ![]() |
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AMD Epyc 7642 | AMD Athlon II X4 638 |
---|---|---|
Has 64-bit Support | No Data Found | No Data Found |
Semiconductor Size | 14nm | 32nm |
TDP (Thermal Design Point) | 225W | 65W |
PCI Express Version | 4 | 2 |
Does it have Integrated Graphics | ![]() |
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Transistor Count | Not Known | 1178 million |
Supports Power Optimized L2 Cache | ![]() |
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AMD Epyc 7642 | AMD Athlon II X4 638 |
---|---|---|
RAM Memory Speed | 3200MHz | 1866MHz |
Max Memory Bandwidth | 190.7GB/s | Not Known |
Max Memory Channels | 8 | 2 |
Supported Memory Size | 4000GB | Not Known |
ECC (Error-Correcting Code) Memory Support | ![]() |
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DDR Type Memory Version | 4 | Not Known |
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AMD Epyc 7642 | AMD Athlon II X4 638 |
---|---|---|
CPU Performance (Per Watt) | Not Known | 55.0 |
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