AMD Ryzen 9 3900XT vs Intel Core 2 Extreme QX6850
Physical Specifications
| Socket | AMD Socket AM4 | Intel Socket 775 |
|---|---|---|
| Foundry | TSMC | Intel |
| Process size | 7 nm | 65 nm |
| Transistors | 3,800 million | 582 million |
| Die size | 74 mm² | 2x 143 mm² |
| Package | µOPGA-1331 | FC-LGA6 |
| tCaseMax | 95°C | 64°C |
Performance
| Frequency | 3.9 GHz | 3 GHz |
|---|---|---|
| Turbo clock | up to 4.7 GHz | — |
| Base clock | 100 MHz | 333 MHz |
| Multiplier | 39.0x | 9.0x |
| Multiplier unlocked | Yes | Yes |
| TDP | 105 W | 130 W |
| FP32 | 2,707.2 GFLOPS | — |
| Voltage | — | 1.34 V |
Architecture Details
| Vertical Segment | Desktop | Desktop |
|---|---|---|
| Production status | Active | End-of-life |
| Release date | Jul 7th, 2020 | Jul 15th, 2007 |
| Generation | Ryzen 9 | Core 2 Extreme |
| Part | unknown | SLAFN |
| Memory support | DDR4-3200 MHz Dual-channel | DDR1, DDR2, DDR3 Dual-channel |
| ECC memory | No | No |
| PCI Express | Gen 4 | Gen 2 |
| Codename | Matisse 2 | Kentsfield |
Cores
| Total Cores | 12 | 4 |
|---|---|---|
| Total Threads | 24 | 4 |
| SMP # CPUs | 1 | 1 |
| Integrated graphics | — | — |
Cache
| Cache L1 | 64K (per core) | 64K (per core) |
|---|---|---|
| Cache L2 | 512K (per core) | 8MB (shared) |
| Cache L3 | 64MB | — |
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. | This processor comes with an unlocked FSB multiplier, allowing users to set the multiplier value higher than shipped value, to facilitate better overclocking. It is branded under the Extreme Edition label. |
|---|
Features & Technologies
| AES | Yes | — |
|---|---|---|
| AMD-V | Yes | — |
| AMD64 | Yes | — |
| AVX | Yes | — |
| AVX2 | Yes | — |
| BMI1 | Yes | — |
| BMI2 | Yes | — |
| EIST | — | Yes |
| EVP | Yes | — |
| F16C | Yes | — |
| FMA3 | Yes | — |
| Intel 64 | — | Yes |
| MMX | Yes | Yes |
| Precision Boost 2 | Yes | — |
| SHA | Yes | — |
| SMAP | Yes | — |
| SMEP | Yes | — |
| SMT | Yes | — |
| SSE | Yes | Yes |
| SSE2 | Yes | Yes |
| SSE3 | Yes | Yes |
| SSE4.1 | Yes | — |
| SSE4.2 | Yes | — |
| SSE4A | Yes | — |
| SSSE3 | Yes | — |
| VT-x | — | Yes |
| XFR 2 | Yes | — |
| iAMT2 | — | Yes |
