The Intel Core 2 Duo T7800 is compareable to the Core 2 Extreme X7800 but featuring a lower TDP and a fixed multiplicator. It is a middle class dual core cpu in 2009 (at the time of announcement it was one of the fastest). Later the Penryn based Core 2 Duo CPUs succeeded the T7800.
The Core 2 Duo T7500 is a middle class dual core CPU for laptops. It is based on the Merom core and features 4MB Level 2 cache.
At the time of announcement, the T7500 was a very fast CPU and had enough performance for games and applications in 2008. In 2009, the Core 2 Duo T7500 performed similar to a middle class Core 2 Duo P7570 or Turion II Ultra M640/M660.
Modern Penryn based Core 2 Duo are a bit faster per MHz (with similar Cache sizes) and are more power efficient.
The Intel Core 2 Duo T5900 is a Merom based dual core processor for laptops. It was later succeeded by the Penryn based Core 2 Duo T6600, which is produced in 45nm and due to core enhancements a bit faster.
Average Benchmarks Intel Core 2 Duo T7800 → 100%n=8
Average Benchmarks Intel Core 2 Duo T7500 → 87%n=8
Average Benchmarks Intel Core 2 Duo T5900 → 84%n=8
- Range of benchmark values for this graphics card - Average benchmark values for this graphics card * Smaller numbers mean a higher performance 1 This benchmark is not used for the average calculation
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#4 did not recreate cache, as it is less than 5 days old! Created at Mon, 20 Mar 2023 14:08:30 +0100 +0.001s ... 0.001s
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#14 min, max, avg, median took s +0.077s ... 0.239s