Intel Core 2 Quad Q9650 vs Intel Core i5-3230M Comparison

FAQ

Q: Which processor has more physical cores?

A: The Intel Core 2 Quad Q9650 has 4 physical cores, while the Intel Core i5-3230M has 2 physical cores. However, the i5-3230M supports 4 threads via Hyper-Threading, matching the Q9650's thread count of 4.

Q: How do the two chips compare in average benchmark score?

A: The Intel Core i5-3230M has an average benchmark score of 754, while the Intel Core 2 Quad Q9650 scores 737. The i5-3230M sits at the 20th percentile among all CPUs, and the Q9650 also sits at the 20th percentile, placing both in the same performance tier.

Q: What are the power consumption ratings?

A: The Intel Core i5-3230M has a TDP of 35 watts, making it a lower-power mobile part. The Intel Core 2 Quad Q9650 has a TDP of 95 watts, which is substantially higher, reflecting its desktop-oriented design.

Q: Which processor wins in Cinebench R23 multicore?

A: The Intel Core i5-3230M scores 2184 in Cinebench R23 multicore, while the Intel Core 2 Quad Q9650 scores 2141. The i5-3230M leads by 2% in this test.

Q: Do both processors support the same memory types?

A: No. The Intel Core i5-3230M supports DDR3 memory only, while the Intel Core 2 Quad Q9650 supports DDR1, DDR2, and DDR3 memory. Both use a dual-channel memory bus.

Q: What is the socket difference?

A: The Intel Core i5-3230M uses Intel Socket G2 (988B), a mobile socket. The Intel Core 2 Quad Q9650 uses Intel Socket 775, a desktop socket. These are not interchangeable.

The Verdict

The benchmark data clearly favors the Intel Core i5-3230M in every recorded test. Out of 5 head-to-head comparisons, the i5-3230M wins all 5, with the Core 2 Quad Q9650 recording 0 wins. The margins are consistent but modest, ranging from 2% to 2.4% across all Cinebench workloads.

For users prioritizing single-threaded performance, the i5-3230M is the stronger choice. In Cinebench R20 single-core, it scores 129 versus 126 for the Q9650, a 2.4% advantage. In Cinebench R23 single-core, it scores 308 versus 302, again a 2% lead. These results indicate that despite having fewer physical cores, the newer Ivy Bridge architecture delivers slightly better per-thread efficiency.

For multi-threaded workloads, the i5-3230M also holds the edge. In Cinebench R15 multicore, it scores 220 versus 215 (2.3% ahead). In Cinebench R20 multicore, it scores 917 versus 899 (2% ahead). In Cinebench R23 multicore, it scores 2184 versus 2141 (2% ahead). The Q9650's four physical cores do not overcome the i5-3230M's architectural advantages, as both chips process 4 threads total.

The Core 2 Quad Q9650 does offer a higher base clock at 3.00 GHz versus 2.60 GHz, and it has a larger L2 cache at 6 MB per die compared to 256 KB per core for the i5-3230M. However, these advantages do not translate into benchmark wins in the recorded data.

The i5-3230M also brings integrated graphics (Intel HD 4000), which the Q9650 lacks as a discrete feature, though the Q9650 can rely on chipset-based graphics on certain motherboards. The i5-3230M is a mobile part with a 35 W TDP, while the Q9650 is a desktop part with a 95 W TDP, making the former significantly more power-efficient.

Users with an existing Socket 775 platform may find the Q9650 a drop-in upgrade, but the recorded performance data shows the i5-3230M as the faster processor in every measured workload. The decision ultimately depends on platform compatibility and power constraints, not raw performance, since the i5-3230M leads across the board.

Head-to-Head Benchmarks

The head-to-head results are remarkably consistent: the Intel Core i5-3230M wins every single comparison, but by narrow margins. This suggests the two processors are closely matched in real-world performance, with the i5-3230M holding a slight but repeatable advantage.

Starting with Cinebench R15 multicore, the i5-3230M scores 220, while the Q9650 scores 215. The delta is 2.3%, the largest margin in any multicore test. This workload benefits from the i5-3230M's ability to handle 4 threads efficiently despite having only 2 physical cores.

In Cinebench R20 multicore, the i5-3230M scores 917 versus 899 for the Q9650, a 2% advantage. The pattern repeats in Cinebench R23 multicore, where the i5-3230M scores 2184 and the Q9650 scores 2141, again a 2% lead. Across all three multicore tests, the i5-3230M maintains a consistent edge of roughly 2%.

Single-core results tell a similar story. In Cinebench R20 single-core, the i5-3230M scores 129, and the Q9650 scores 126. This 2.4% delta is the largest single-core margin in the dataset. In Cinebench R23 single-core, the i5-3230M scores 308, and the Q9650 scores 302, a 2% difference.

The average benchmark scores reinforce this picture. The i5-3230M has an average score of 754, while the Q9650 averages 737. This puts the i5-3230M roughly 2.3% ahead on average, consistent with the head-to-head deltas.

Notably, the i5-3230M's nearest rivals include the Intel Xeon X5460 with an identical average score of 754, and the Intel Core i5-4250U at 756 (0.2% higher). The Q9650's nearest rivals include the Intel Xeon L5530 at 737 (0.1% lower) and the AMD Athlon X4 750K at 736 (0.1% higher). This places both processors in the same performance neighborhood, but the i5-3230M consistently edges ahead.

The Q9650's best showing is in Cinebench R15 multicore, where it trails by only 2.3%. Its worst showing is in Cinebench R20 single-core, where it trails by 2.4%. The i5-3230M's strongest result is also in Cinebench R20 single-core, where it achieves its largest lead.

Specification Differences

The two processors differ in nearly every fundamental specification. The Intel Core i5-3230M has 2 cores and 4 threads, while the Intel Core 2 Quad Q9650 has 4 cores and 4 threads. The i5-3230M uses hyper-threading to reach 4 threads, while the Q9650 uses native 4-core design.

Base clock speeds differ: the i5-3230M runs at 2.60 GHz, and the Q9650 runs at 3.00 GHz. The i5-3230M also has a boost clock of 3.20 GHz, while the Q9650 has no boost capability listed.

Power consumption is a major differentiator. The i5-3230M has a TDP of 35 W, making it suitable for mobile systems. The Q9650 has a TDP of 95 W, typical of a desktop quad-core from its era.

Sockets are incompatible: the i5-3230M uses Intel Socket G2 (988B), while the Q9650 uses Intel Socket 775. The i5-3230M is a mobile processor, and the Q9650 is a desktop processor.

Memory support differs. The i5-3230M supports DDR3 only. The Q9650 supports DDR1, DDR2, and DDR3. Both use dual-channel memory buses.

The i5-3230M includes integrated graphics (Intel HD 4000). The Q9650 does not have integrated graphics as a processor feature, relying instead on chipset-provided graphics on certain motherboards.

The Q9650 supports PCIe Gen 2, while the i5-3230M has no PCIe specification listed. The Q9650 is marked as end-of-life, while the i5-3230M has no production status listed.

Release dates differ significantly: the i5-3230M was released in late 2012, and the Q9650 was released in August 2008.

Architecture Differences

The architectural gap between these two processors is substantial. The Intel Core i5-3230M uses the Ivy Bridge architecture, built on a 22 nm process node. The Intel Core 2 Quad Q9650 uses the Core 2 architecture (Yorkfield codename), built on a 45 nm process node. The smaller process node gives the i5-3230M a significant efficiency advantage, reflected in its 35 W TDP versus 95 W for the Q9650.

The i5-3230M has a die size of 118 mm², while the Q9650 has a die size of 2x 107 mm², indicating a dual-die design. The Q9650 has 820 million transistors, while the i5-3230M does not have a transistor count listed.

Cache layouts differ fundamentally. The i5-3230M has 64 KB of L1 cache per core and 256 KB of L2 cache per core, plus 3 MB of shared L3 cache. The Q9650 has 64 KB of L1 cache per core and 6 MB of L2 cache per die, with no L3 cache. The i5-3230M's L3 cache provides a shared pool for all threads, while the Q9650 relies on larger per-die L2 caches.

The i5-3230M's generation is listed as "Core i5 (Ivy Bridge)", while the Q9650's generation is "Core 2 Quad (Yorkfield)". The i5-3230M supports 4 threads via hyper-threading, a feature the Q9650 lacks.

Both processors have non-unlocked multipliers, and neither supports ECC memory. The i5-3230M's part number is SR0WY, and the Q9650's is SLB8W.

The i5-3230M's integrated graphics (Intel HD 4000) is a major architectural difference. The Q9650 has no on-die graphics, requiring a discrete GPU or chipset-based solution. This makes the i5-3230M a more complete mobile solution, while the Q9650 relies on external components for display output.

The 22 nm Ivy Bridge process also enables the i5-3230M to achieve competitive performance at a fraction of the power draw. The Q9650's 45 nm process and 4 physical cores consume nearly three times the power, yet still trail in every benchmark.