| General information |
| Type | CPU / Microprocessor |
| Family | AMD K6-III |
| Part number | AMD-K6-III/400 |
| Frequency (MHz) | 400 |
| Bus frequency (MHz) | 66 or 100 |
| Clock multiplier | - 6 (66 MHz bus)
- 4 (100 MHz bus)
|
| Package | 321-pin ceramic staggered PGA
1.95" x 1.95" (4.95 cm x 4.95 cm) |
| Socket | Socket 7 (66 MHz bus); Super 7 (100 MHz bus) |
| |
| Architecture / Microarchitecture |
| Manufacturing process | 0.25 micron
21.3 million transistors |
| Data width | 32 bit |
| Floating Point Unit | Integrated |
| Level 1 cache size ? | 32 KB instruction cache with additional 20 KB pre-decode cache
32 KB writeback data cache |
| Level 2 cache size ? | 256 KB full speed |
| Physical memory (GB) | 4 |
| Features | MMX and 3D Now! multimedia instructions |
| Low power features | - Halt state
- Stop Grant state
- Stop Grant Inquire state
- Stop Clock state
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| Electrical/Thermal parameters |
| V core (V) | 2.4 |
| V I/O or secondary (V) | 3.3V (3.135V - 3.6V) |
| Min/Max operating temperature (°C) | 0 - 65 |
| |
| Notes on AMD AMD-K6-III/400 |
- This processor supports both 66 MHz (Socket 7) and 100 MHz (Super 7) bus frequences. For 66 MHz bus speed use 6x clock multiplier, for 100 MHz bus speed use 4x clock multiplier.
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| Benchmark data |
| CPUID of tested processor | 0591 |
| CPU name string | AMD-K(tm) 3D+ Processor |
| Vendor ID string | AuthenticAMD |
| | |
|
| Dhrystone 2.1 (VAX MIPS) | 465.77 |
| Whetstone (KWIPS) | 158.49 |
| Linpack 100x100 (MFLOPS) | 66.43 |
| Sandra Dhrystone (MIPS) | 915 |
| Sandra Whetstone (MFLOPS) | 482 |
| Sandra MultiMedia Integer (it/s) | 2254 |
| Sandra MultiMedia Floating Point (it/s) | 2757 |
| Doom 1.9s high detail (FPS) | 107.16 |
| Doom 1.9s low detail (FPS) | 173.97 |
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