Intel Core 2 Extreme QX6850 vs Intel Core 2 Extreme QX9650
Physical Specifications
Socket | Intel Socket 775 | Intel Socket 775 |
---|---|---|
Foundry | Intel | Intel |
Process size | 65 nm | 45 nm |
Transistors | 582 million | 820 million |
Die size | 2x 143 mm² | 2x 107 mm² |
Package | FC-LGA6 | FC-LGA4 |
tCaseMax | 64°C | 64°C |
Performance
Frequency | 3 GHz | 3 GHz |
---|---|---|
Turbo clock | — | — |
Base clock | 333 MHz | 333 MHz |
Multiplier | 9.0x | 9.0x |
Multiplier unlocked | Yes | Yes |
Voltage | 1.34 V | 1.25 V |
TDP | 130 W | 130 W |
Architecture Details
Vertical Segment | Desktop | Desktop |
---|---|---|
Production status | End-of-life | End-of-life |
Release date | Jul 15th, 2007 | Nov 30th, 2007 |
Codename | Kentsfield | Yorkfield |
Generation | Core 2 Extreme | Core 2 Extreme |
Part | SLAFN | SLAN3 |
Memory support | DDR1, DDR2, DDR3 Dual-channel | DDR1, DDR2, DDR3 Dual-channel |
ECC memory | No | No |
PCI Express | Gen 2 | Gen 2 |
Cores
Total Cores | 4 | 4 |
---|---|---|
Total Threads | 4 | 4 |
SMP # CPUs | 1 | 1 |
Integrated graphics | — | — |
Cache
Cache L1 | 64K (per core) | 64K (per core) |
---|---|---|
Cache L2 | 8MB (shared) | 12MB (shared) |
Notes
Notes | 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. | 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. Also available with C1 Stepping, Part #: SLAWN, R |
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Features & Technologies
EIST | Yes | Yes |
---|---|---|
Intel 64 | Yes | Yes |
MMX | Yes | Yes |
SSE | Yes | Yes |
SSE2 | Yes | Yes |
SSE3 | Yes | Yes |
SSE4.1 | — | Yes |
SSSE3 | — | Yes |
VT-x | Yes | Yes |
iAMT2 | Yes | — |