AMD Athlon II X4 641 vs AMD Sempron 3850
Physical Specifications
| Socket | AMD Socket FM1 | AMD Socket AM1 |
|---|---|---|
| Process size | 32 nm | 28 nm |
| Transistors | 1,178 million | unknown |
| Die size | 228 mm² | 107 mm² |
| Package | µPGA | µOPGA-721 |
| Foundry | — | GlobalFoundries |
| tCaseMax | — | 90°C |
Performance
| Frequency | 2.8 GHz | 1300 MHz |
|---|---|---|
| Turbo clock | — | — |
| Base clock | 100 MHz | 100 MHz |
| Multiplier | 28.0x | 13.0x |
| Multiplier unlocked | No | No |
| Voltage | 1.4125 V | 1.4 V |
| TDP | 100 W | 25 W |
Architecture Details
| Vertical Segment | Desktop | Desktop |
|---|---|---|
| Production status | unknown | End-of-life |
| Release date | Feb 6th, 2012 | Apr 9th, 2014 |
| Codename | Llano | Kabini |
| Generation | Athlon II X4 | Sempron |
| Part | AD641XWNZ43GXAD641XWNGXBOX | SD3850JAH44HMSD3850JAHMBOX |
| Memory support | DDR3 Dual-channel | DDR3-1600 MHz Single-channel |
| ECC memory | No | No |
| PCI Express | — | Gen 2, 4 Lanes(CPU only) |
Cores
| Total Cores | 4 | 4 |
|---|---|---|
| Total Threads | 4 | 4 |
| SMP # CPUs | 1 | 1 |
| Integrated graphics | — | Radeon R3 128CU |
Cache
| Cache L1 | 128K (per core) | 64K (per core) |
|---|---|---|
| Cache L2 | 1MB (per core) | 512K (per core) |
Features & Technologies
| 3DNow! | Yes | Yes |
|---|---|---|
| AES | — | Yes |
| AMD-V | Yes | Yes |
| AMD64 | Yes | Yes |
| AVX | — | Yes |
| BMI1 | — | Yes |
| CnQ | — | Yes |
| F16C | — | Yes |
| MMX | Yes | Yes |
| NX bit | Yes | Yes |
| SSE | Yes | Yes |
| SSE2 | Yes | Yes |
| SSE3 | Yes | Yes |
| SSE4.1 | — | Yes |
| SSE4.2 | — | Yes |
| SSE4A | Yes | Yes |
