Core 2 Duo T9300 vs Xeon 678X
Aggregate performance score
Xeon 678X outperforms Core 2 Duo T9300 by a whopping 5438% based on our aggregate benchmark results.
Contents
Primary details
Comparing processor market type (desktop or notebook), architecture, sales start time and price.
| Place in the ranking | 47 | 2756 |
| Place by popularity | not in top-100 | not in top-100 |
| Cost-effectiveness evaluation | 13.15 | 0.04 |
| Market segment | Server | Laptop |
| Series | no data | Intel Core 2 Duo |
| Power efficiency | 7.41 | 1.15 |
| Designer | Intel | Intel |
| Manufacturer | Intel | no data |
| Architecture codename | Granite Rapids (2024−2026) | Penryn (2008−2011) |
| Release date | 2 February 2026 (recently) | 10 January 2008 (18 years ago) |
| Launch price (MSRP) | $3,749 | $316 |
Cost-effectiveness evaluation
Performance per price, higher is better.
Xeon 678X has 32775% better value for money than Core 2 Duo T9300.
Performance to price scatter graph
Detailed specifications
Xeon 678X and Core 2 Duo T9300 basic parameters such as number of cores, number of threads, base frequency and turbo boost clock, lithography, cache size and multiplier lock state. These parameters indirectly say of CPU speed, though for more precise assessment you have to consider their test results.
| Physical cores | 48 (Octatetraconta-Core) | 2 (Dual-core) |
| Performance-cores | 48 | no data |
| Threads | 96 | 2 |
| Base clock speed | 2.4 GHz | 2.5 GHz |
| Boost clock speed | 4.9 GHz | 2.5 GHz |
| Bus rate | 0 GT/s | 800 MHz |
| L1 cache | 112 KB (per core) | 128 KB |
| L2 cache | 2 MB (per core) | 6 MB |
| L3 cache | 192 MB (shared) | 6 MB L2 Cache |
| Chip lithography | Intel 3 nm | 45 nm |
| Die size | 2x 598 mm2 | 107 mm2 |
| Maximum core temperature | no data | 105 °C |
| Maximum case temperature (TCase) | 82 °C | no data |
| Number of transistors | no data | 410 Million |
| 64 bit support | + | + |
| Windows 11 compatibility | no data | - |
| Unlocked multiplier | + | - |
| VID voltage range | no data | 1V-1.25V |
Compatibility
Information on Xeon 678X and Core 2 Duo T9300 compatibility with other computer components: motherboard (look for socket type), power supply unit (look for power consumption) etc. Useful when planning a future computer configuration or upgrading an existing one. Note that power consumption of some processors can well exceed their nominal TDP, even without overclocking. Some can even double their declared thermals given that the motherboard allows to tune the CPU power parameters.
| Number of CPUs in a configuration | 1 | no data |
| Socket | FCLGA4710 | BGA479,PGA478 |
| Power consumption (TDP) | 300 Watt | 35 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by Xeon 678X and Core 2 Duo T9300. You'll probably need this information if you require some particular technology.
| Instruction set extensions | Intel® SSE4.1, Intel® AMX, Intel® SSE4.2, Intel® AVX2, Intel® AVX-512 | no data |
| AES-NI | + | - |
| AVX | + | - |
| vPro | + | no data |
| Enhanced SpeedStep (EIST) | + | + |
| Speed Shift | + | no data |
| Turbo Boost Technology | 2.0 | - |
| Hyper-Threading Technology | + | - |
| TSX | + | - |
| Idle States | no data | + |
| Demand Based Switching | no data | - |
| Turbo Boost Max 3.0 | + | no data |
| FSB parity | no data | - |
| Deep Learning Boost | + | - |
Security technologies
Xeon 678X and Core 2 Duo T9300 technologies aimed at improving security, for example, by protecting against hacks.
| TXT | + | - |
| EDB | + | + |
| SGX | - | no data |
| OS Guard | + | no data |
Virtualization technologies
Virtual machine speed-up technologies supported by Xeon 678X and Core 2 Duo T9300 are enumerated here.
| VT-d | + | no data |
| VT-x | + | + |
| EPT | + | no data |
Memory specs
Types, maximum amount and channel quantity of RAM supported by Xeon 678X and Core 2 Duo T9300. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | DDR5(6400MT/s)MRDIMM(8000MT/s) | no data |
| Maximum memory size | 4 TB | no data |
| Max memory channels | 8 | no data |
| ECC memory support | + | - |
Graphics specifications
General parameters of integrated GPUs, if any.
| Integrated graphics card | N/A | no data |
Peripherals
Specifications and connection of peripherals supported by Xeon 678X and Core 2 Duo T9300.
| PCIe version | 5.0 | no data |
| PCI Express lanes | 128 | no data |
Synthetic benchmarks
Various benchmark results of the processors in comparison. Overall score is measured in points in 0-100 range, higher is better.
Combined synthetic benchmark score
This is our combined benchmark performance rating.
Passmark
Passmark CPU Mark is a widespread benchmark, consisting of 8 different types of workload, including integer and floating point math, extended instructions, compression, encryption and physics calculation. There is also one separate single-threaded scenario measuring single-core performance. Other than that, Passmark measures multi-core performance.
Pros & cons summary
| Performance score | 52.61 | 0.95 |
| Recency | 2 February 2026 | 10 January 2008 |
| Physical cores | 48 | 2 |
| Threads | 96 | 2 |
| Power consumption (TDP) | 300 Watt | 35 Watt |
Xeon 678X has a 5437.9% higher aggregate performance score, an age advantage of 18 years, and 2300% more physical cores and 4700% more threads.
Core 2 Duo T9300, on the other hand, has 757.1% lower power consumption.
The Intel Xeon 678X is our recommended choice as it beats the Intel Core 2 Duo T9300 in performance tests.
Be aware that Xeon 678X is a server/workstation processor while Core 2 Duo T9300 is a notebook one.
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