Side by side comparison and review of AMD Phenom II X4 945 and AMD Ryzen ThreadRipper 1900X. Compare overall performance, core and thread counts, cache memory, speed, power efficiency, dimensions, socket compatibility and other key specifications and features to simplify the choice of your perfect CPU. Our goal is to make it easier for you to decide on the processor that will best meet your expectations by revealing the main differences between the products.
| GENERAL | AMD Phenom II X4 945 | AMD Ryzen ThreadRipper 1900X |
|---|
| Product Type | Processor | Processor |
|---|
| PROCESSOR | AMD Phenom II X4 945 | AMD Ryzen ThreadRipper 1900X |
|---|
| Type | AMD Phenom II X4 945 | AMD Ryzen ThreadRipper 1900X |
|---|
| ARCHITECTURE |
|---|
| Processor Qty | 1 | 1 |
|---|---|---|
| Max Supported Qty | 1 | - |
| Compatible Processor Socket | Socket AM3 | Socket TR4 |
| Power Efficiency | Energy Efficient | - |
| Manufacturing Process | 45 nm | 14 nm |
| Thermal Design Power | 95 W | 180 W |
| Thermal Specification | 71 °C | 68 °C |
| Architecture Features | HyperTransport technology, AMD64 technology, integrated memory controller, Enhanced Virus Protection, AMD Cool'n'Quiet Technology, AMD Virtualization, AMD CoolCore Technology | AMD Virtualization, Intel Advanced Vector Extensions 2 (AVX2.0), AMD SenseMI Technology, AMD Ryzen VR-Ready Premium |
| PERFORMANCE |
|---|
| Number of Cores | Quad-Core | 8-core |
|---|---|---|
| Number of Threads | - | 16 threads |
| Clock Speed (Frequency) | 3 GHz | 3.8 GHz |
| Max Turbo Speed | - | 4 GHz |
| 64-bit Computing | Yes | - |
| CACHE MEMORY |
|---|
| Cache | - | 16 MB |
|---|---|---|
| Cache Memory Details | L2 - 4 x 512 KB L3 - 6 MB |
L1 - 768 KB L2 - 4 MB L3 - 16 MB |
| Installed Size | 6 MB | - |
| EXPANSION & CONNECTIVITY | AMD Phenom II X4 945 | AMD Ryzen ThreadRipper 1900X |
|---|
| Compatible Slots | 1 x processor - Socket AM3 | - |
|---|
| MISCELLANEOUS | AMD Phenom II X4 945 | AMD Ryzen ThreadRipper 1900X |
|---|
| Service & Support | Limited warranty - 3 years | - |
|---|
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