AMD Athlon X4 940 vs Intel Pentium 4 HT 661
Physical Specifications
| Socket | AMD Socket AM4 | Intel Socket 775 |
|---|---|---|
| Process size | 28 nm | 65 nm |
| Transistors | 1,178 million | 188 million |
| Die size | 246 mm² | 81 mm² |
| Package | µPGA | FC-LGA4 |
| tCaseMax | 74°C | — |
| Foundry | — | Intel |
Performance
| Frequency | 3.2 GHz | 3.6 GHz |
|---|---|---|
| Turbo clock | up to 3.6 GHz | — |
| Base clock | 100 MHz | 200 MHz |
| Multiplier | 32.0x | 18.0x |
| Multiplier unlocked | Yes | No |
| Voltage | 1.475 V | 1.325 V |
| TDP | 65 W | 86 W |
Architecture Details
| Vertical Segment | Desktop | Desktop |
|---|---|---|
| Production status | Active | End-of-life |
| Release date | Jul 27th, 2017 | Jan 5th, 2006 |
| Codename | Bristol Ridge | Cedar Mill |
| Generation | Athlon | Pentium 4 HT |
| Part | AD940XAGM44AB | SL94V |
| Memory support | DDR4 Dual-channel | DDR1, DDR2, DDR3 Dual-channel |
| ECC memory | No | No |
| PCI Express | — | Gen 2 |
Cores
| Total Cores | 4 | 1 |
|---|---|---|
| Total Threads | 4 | 2 |
| SMP # CPUs | 1 | 1 |
| Integrated graphics | — | — |
Cache
| Cache L1 | 128K (per core) | 28K |
|---|---|---|
| Cache L2 | 512K (per core) | 2MB |
Notes
| Notes | This processor comes with an unlocked base clock multiplier, allowing users to set the multiplier value higher than shipped value, to facilitate better overclocking. | — |
|---|
Features & Technologies
| 3DNow! | Yes | — |
|---|---|---|
| AES | Yes | — |
| AMD-V | Yes | — |
| AMD64 | Yes | — |
| AVX | Yes | — |
| AVX2 | Yes | — |
| BMI1 | Yes | — |
| BMI2 | Yes | — |
| EVP | Yes | — |
| F16C | Yes | — |
| FMA3 | Yes | — |
| FMA4 | Yes | — |
| HTT | — | Yes |
| Intel 64 | — | Yes |
| MMX | Yes | Yes |
| SSE | Yes | Yes |
| SSE2 | Yes | Yes |
| SSE3 | Yes | Yes |
| SSE4 | Yes | — |
| SSE4.1 | Yes | — |
| SSE4.2 | Yes | — |
| SSE4A | Yes | — |
| TBM | Yes | — |
| Turbo Core | Yes | — |
| XOP | Yes | — |
