Intel Core 2 Extreme QX9770

The Intel Core 2 Extreme QX9770 is a desktop processor from Intel’s Core 2 Extreme line, built on the Yorkfield architecture with a 45 nm process node and a 136 W thermal design power. This quad-core, four-thread chip runs at a base clock of 3.20 GHz and was released on March 23, 2008, now marked as end-of-life. The data here shows a processor that occupies the 50th percentile among all CPUs, indicating a mid-tier standing in the broader benchmark landscape, though its specific scores and rival comparisons are notably absent from the available records.

Benchmark Performance

The benchmark data for the Intel Core 2 Extreme QX9770 is sparse, with no individual scores recorded in the fact pack. The average benchmark score is listed as 0, and the nearest rivals array is empty, meaning there are no direct comparative figures to cite. However, the percentile vs. all CPUs is given as 50, which places this processor exactly at the median of the entire benchmark database. This suggests that, in aggregate performance, the QX9770 sits in the middle of the pack—neither a standout performer nor a laggard. The lack of specific scores makes precise percentage deltas impossible to compute, but the percentile implies that half of all tested CPUs perform at or below this level, and half perform above it. For a processor released in early 2008 with four cores and a 3.20 GHz base clock, this median standing likely reflects a design that was competitive at launch but has since been overtaken by newer architectures. The 820 million transistors and dual 107 mm² die size indicate a substantial silicon investment, yet without benchmark numbers, the practical impact of that hardware cannot be quantified. The data suggests users should interpret the QX9770 as a balanced performer rather than a leader, with its 50th percentile position serving as the sole quantitative anchor.

How It Compares

Since the nearest rivals list is empty, there are no direct competitor comparisons available from the fact pack. The processor’s position relative to other CPUs can only be inferred from its 50th percentile standing. Without rival names, scores, or delta percentages, any comparison must remain qualitative. The QX9770’s four cores and four threads align with the mainstream desktop designs of its era, but the lack of data means no specific claims about outperforming or underperforming particular models can be made. The absence of rival information is notable; typically, a benchmark database would include nearest competitors to contextualize a processor’s standing. Here, the fact pack provides no such references, leaving the QX9770 isolated in the analysis. The 50th percentile suggests it sits at the midpoint, so one could infer it neither dominates nor falls behind the typical CPU in the database, but without rival specifics, that inference remains general. The empty rivals array also means no deltaPct values exist, so any discussion of percentage advantages or deficits is unsupported by the given facts.

Who Should Consider It

The Intel Core 2 Extreme QX9770, with its four cores and four threads, is suited for workloads that benefit from parallel execution across a modest number of threads. The 3.20 GHz base clock on all four cores provides a solid foundation for multi-threaded applications, such as video encoding, 3D rendering, or scientific simulations that scale to four threads. The 12 MB of shared L2 cache is a generous allocation for its time, potentially aiding tasks with repetitive data access patterns, like database queries or compilation tasks. For gaming, the processor’s single-thread performance, driven by its 3.20 GHz clock, would handle titles from its release era well, though modern games that demand higher thread counts may strain its four-thread limit. Office productivity, such as spreadsheet manipulation or web browsing, would see ample performance from the QX9770, as these tasks rarely exceed four threads. The 50th percentile ranking implies it is neither a high-end nor a low-end option, so users with moderate computational needs—those who do not require cutting-edge multi-core performance—would find it adequate. However, for heavy creation workloads that now rely on many-core processors, the QX9770’s four threads may become a bottleneck. The data does not specify any benchmark scores, so recommendations must rely on the core/thread count and clock speed as proxies for capability.

Platform and Compatibility

The QX9770 uses the Intel Socket 775 interface, a platform that was widely adopted in the mid-2000s for desktop systems. It supports DDR1, DDR2, and DDR3 memory across a dual-channel memory bus, offering flexibility in memory selection, though the fact pack does not list a memory bandwidth figure. The processor includes PCIe Gen 2 support, which provides a modern interconnect for graphics cards and expansion cards of its generation. Integrated graphics are listed as "On certain motherboards (Chipset feature)," meaning the processor itself lacks a built-in GPU but can rely on chipset-integrated solutions where available. The multiplier is unlocked, allowing for overclocking via the system bus or multiplier adjustments, a trait typical of the Extreme series. The processor’s end-of-life production status indicates it is no longer manufactured, so new purchases are unlikely, and upgrade paths would involve sourcing used parts. The architecture is Core 2 with the Yorkfield codename, and the process node is 45 nm, which was a significant shrink at the time, contributing to efficiency relative to earlier 65 nm parts. The socket 775 platform has limited forward compatibility, as newer Intel sockets are not backward-compatible, so upgrading beyond this processor would require a motherboard change. Memory support for three DDR generations is unusual and suggests the platform could accommodate a range of memory technologies, though actual performance would depend on the motherboard’s specific slots. PCIe Gen 2 offers double the bandwidth of Gen 1, which is beneficial for graphics-intensive applications, but no lane count is specified in the fact pack.

FAQ

Q: What is the release date of the Intel Core 2 Extreme QX9770?

A: The release date is March 23, 2008, according to the fact pack.

Q: How many cores and threads does the QX9770 have?

A: It has 4 cores and 4 threads, as listed in the specifications.

Q: What is the base clock speed of this processor?

A: The base clock is 3.20 GHz, with no boost clock listed.

Q: Does the QX9770 support ECC memory?

A: No, ECC memory is not supported, per the fact pack.

Q: What is the thermal design power (TDP) of the QX9770?

A: The TDP is 136 watts, which is a high value for a desktop processor of its era.

Q: Is the multiplier unlocked on this processor?

A: Yes, the multiplier is unlocked, enabling overclocking potential.

Q: What is the L2 cache size on the QX9770?

A: The L2 cache is 12 MB shared across all cores.

Single-Thread vs Multi-Thread Behavior

The QX9770 has four cores and four threads, meaning it can execute four concurrent threads without hyper-threading. The single-thread performance is driven by its 3.20 GHz base clock, which is a high frequency for its time, suggesting strong sequential processing capabilities. For tasks that rely on a single thread—such as older games, certain legacy applications, or lightly threaded productivity tools—the QX9770 would deliver responsive performance due to the high clock speed. In multi-threaded scenarios, the four cores work in parallel, and the 12 MB shared L2 cache helps reduce memory latency when multiple threads access common data. The 50th percentile ranking across all CPUs indicates that the processor’s combined single- and multi-thread performance lands at the median, but the split between the two is not quantified in the fact pack. Given the era of release, multi-threaded workloads were less common than today, so the four-thread limit would have been adequate for contemporary applications but is now a constraint for modern multi-core-optimized software. The data shows a processor that balances high clock speed with a modest core count, meaning users who prioritize single-thread responsiveness over multi-thread throughput would see better results. Conversely, tasks that can utilize all four cores, such as video editing or batch processing, would benefit from the parallel execution, though the lack of hyper-threading means no additional virtual cores. The 45 nm process node and 820 million transistors suggest a well-designed chip for its generation, but without benchmark scores, the exact single- vs. multi-thread delta remains unmeasured.

Power and Thermals

The Intel Core 2 Extreme QX9770 has a thermal design power of 136 watts, which classifies it as a high-power desktop processor. This TDP figure implies that a capable cooling solution is necessary to maintain stable operation under load, likely including a robust air cooler or a liquid cooling system, though the fact pack does not specify any cooler requirements. The 45 nm process node is relatively efficient for its time, but the 3.20 GHz clock speed across four cores still generates significant heat. The dual die design, with each die measuring 107 mm², means heat is spread across two silicon pieces, potentially complicating thermal management compared to a single-die design. The 136 W TDP is higher than typical mainstream processors from its era, which often fell in the 65–95 W range, indicating that the QX9770 targets enthusiasts who accept higher power consumption for peak performance. The unlocked multiplier allows for overclocking, but doing so would increase power draw and heat output beyond the base 136 W, necessitating an even more robust cooling setup. The fact pack does not list any thermal throttling mechanisms or maximum operating temperature, so the data only supports the TDP as a power class indicator. For system builders, this TDP suggests a motherboard with adequate power delivery and a case with good airflow to dissipate the heat. The end-of-life status means modern cooling solutions are not designed specifically for this socket, but standard Socket 775 coolers would be compatible. In summary, the 136 W TDP places the QX9770 in a high-performance tier, requiring thoughtful cooling choices to sustain its 3.20 GHz operation without thermal issues.