In depth comparison and review of AMD Phenom II X4 945 and AMD Athlon 64 X2 4400+. Compare dimensions, performance, cache memory, number of cores, clock speed, RAM, power efficiency and other important specifications and features to easily choose the right CPU for you. Our goal is to help you uncover differences between the products and find the processor that will best fit your needs.
| GENERAL | AMD Phenom II X4 945 | AMD Athlon 64 X2 4400+ |
|---|
| Product Type | Processor | Processor |
|---|
| PROCESSOR | AMD Phenom II X4 945 | AMD Athlon 64 X2 4400+ |
|---|
| Type | AMD Phenom II X4 945 | AMD Athlon 64 X2 4400+ |
|---|
| ARCHITECTURE |
|---|
| Processor Qty | 1 | 1 |
|---|---|---|
| Max Supported Qty | 1 | - |
| Compatible Processor Socket | Socket AM3 | Socket AM2 |
| Power Efficiency | Energy Efficient | - |
| Core Voltage | - | 1.3 V/1.35 V |
| Manufacturing Process | 45 nm | 90 nm |
| Thermal Design Power | 95 W | 65 W |
| Thermal Specification | 71 °C | 70 °C |
| Architecture Features | HyperTransport technology, AMD64 technology, integrated memory controller, Enhanced Virus Protection, AMD Cool'n'Quiet Technology, AMD Virtualization, AMD CoolCore Technology | HyperTransport technology, AMD64 technology, Enhanced Virus Protection, AMD Cool'n'Quiet Technology |
| PERFORMANCE |
|---|
| Number of Cores | Quad-Core | Dual-Core |
|---|---|---|
| Clock Speed (Frequency) | 3 GHz | 2.2 GHz |
| 64-bit Computing | Yes | Yes |
| CACHE MEMORY |
|---|
| Cache Level 1 Size | - | 256 KB |
|---|---|---|
| Cache Memory Details | L2 - 4 x 512 KB L3 - 6 MB |
L2 - |
| Installed Size | 6 MB | 2 MB |
| EXPANSION & CONNECTIVITY | AMD Phenom II X4 945 | AMD Athlon 64 X2 4400+ |
|---|
| Compatible Slots | 1 x processor - Socket AM3 | 1 x processor |
|---|
| MISCELLANEOUS | AMD Phenom II X4 945 | AMD Athlon 64 X2 4400+ |
|---|
| Service & Support | Limited warranty - 3 years | Limited warranty - 3 years |
|---|
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