Core 2 Duo SP9300 vs Xeon 6521P
Aggregate performance score
Xeon 6521P outperforms Core 2 Duo SP9300 by a whopping 6576% 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 | 104 | 3081 |
| Place by popularity | not in top-100 | not in top-100 |
| Cost-effectiveness evaluation | 33.98 | 0.01 |
| Market segment | Server | Laptop |
| Series | no data | Intel Core 2 Duo |
| Power efficiency | 17.50 | no data |
| Designer | Intel | Intel |
| Manufacturer | Intel | no data |
| Architecture codename | Granite Rapids (2024−2025) | Penryn (2008−2011) |
| Release date | 24 February 2025 (less than a year ago) | 20 August 2008 (17 years ago) |
| Launch price (MSRP) | $1,250 | $284 |
Cost-effectiveness evaluation
Performance per price, higher is better.
Xeon 6521P has 339700% better value for money than Core 2 Duo SP9300.
Performance to price scatter graph
Detailed specifications
Xeon 6521P and Core 2 Duo SP9300 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 | 24 (Tetracosa-Core) | 2 (Dual-core) |
| Threads | 48 | 2 |
| Base clock speed | 2.6 GHz | 2.26 GHz |
| Boost clock speed | 4.1 GHz | 2.26 GHz |
| Bus rate | no data | 1066 MHz |
| L1 cache | 112 KB (per core) | no data |
| L2 cache | 2 MB (per core) | 6 MB |
| L3 cache | 144 MB (shared) | 6 MB L2 Cache |
| Chip lithography | Intel 3 nm | 45 nm |
| Die size | 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 | - |
| VID voltage range | no data | 1.05V - 1.15V |
Compatibility
Information on Xeon 6521P and Core 2 Duo SP9300 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 | BGA956 |
| Power consumption (TDP) | 225 Watt | 25 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by Xeon 6521P and Core 2 Duo SP9300. You'll probably need this information if you require some particular technology.
| Instruction set extensions | Intel® SSE4.2, Intel® AVX, Intel® AVX2, Intel® AVX-512, Intel® AMX | no data |
| AES-NI | + | - |
| AVX | + | - |
| 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 | - |
| FSB parity | no data | - |
| Deep Learning Boost | + | - |
Security technologies
Xeon 6521P and Core 2 Duo SP9300 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 6521P and Core 2 Duo SP9300 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 6521P and Core 2 Duo SP9300. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | DDR5(6400MT/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 6521P and Core 2 Duo SP9300.
| PCIe version | 5.0 | no data |
| PCI Express lanes | 136 | no data |
Pros & cons summary
| Performance score | 36.72 | 0.55 |
| Recency | 24 February 2025 | 20 August 2008 |
| Physical cores | 24 | 2 |
| Threads | 48 | 2 |
| Power consumption (TDP) | 225 Watt | 25 Watt |
Xeon 6521P has a 6576.4% higher aggregate performance score, an age advantage of 16 years, and 1100% more physical cores and 2300% more threads.
Core 2 Duo SP9300, on the other hand, has 800% lower power consumption.
The Intel Xeon 6521P is our recommended choice as it beats the Intel Core 2 Duo SP9300 in performance tests.
Be aware that Xeon 6521P is a server/workstation processor while Core 2 Duo SP9300 is a notebook one.
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