Core Ultra 9 275HX vs Core 2 Duo E6700
Aggregate performance score
Core Ultra 9 275HX outperforms Core 2 Duo E6700 by a whopping 5680% 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 | 3079 | 161 |
| Place by popularity | not in top-100 | not in top-100 |
| Market segment | Desktop processor | Laptop |
| Series | Core 2 Duo (Desktop) | no data |
| Power efficiency | no data | 61.97 |
| Designer | Intel | Intel |
| Manufacturer | no data | TSMC |
| Architecture codename | Conroe (2006−2007) | Arrow Lake-HX (2025) |
| Release date | no data | 13 January 2025 (less than a year ago) |
Detailed specifications
Core 2 Duo (Desktop) E6700 and Core Ultra 9 275HX 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 | 2 (Dual-core) | 24 (Tetracosa-Core) |
| Performance-cores | no data | 8 |
| Efficient-cores | no data | 16 |
| Threads | 2 | 24 |
| Base clock speed | no data | 2.7 GHz |
| Boost clock speed | 2.66 GHz | 5.4 GHz |
| Bus rate | 1066 MHz | no data |
| L1 cache | 64 KB | 192 KB (per core) |
| L2 cache | 4 MB | 3 MB (per core) |
| L3 cache | 0 KB | 36 MB (shared) |
| Chip lithography | 65 nm | 3 nm |
| Die size | 143 mm2 | 243 mm2 |
| Number of transistors | 291 million | 17,800 million |
| 64 bit support | + | + |
| Windows 11 compatibility | - | no data |
| Unlocked multiplier | - | + |
Compatibility
Information on Core 2 Duo (Desktop) E6700 and Core Ultra 9 275HX 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 | 1 |
| Socket | 775 | FCBGA2114 |
| Power consumption (TDP) | 4 MB | 55 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by Core 2 Duo (Desktop) E6700 and Core Ultra 9 275HX. You'll probably need this information if you require some particular technology.
| Instruction set extensions | no data | Intel® SSE4.1, Intel® SSE4.2, Intel® AVX2 |
| AES-NI | - | + |
| AVX | - | + |
| vPro | no data | + |
| Enhanced SpeedStep (EIST) | + | + |
| Speed Shift | no data | + |
| Turbo Boost Technology | no data | 2.0 |
| Hyper-Threading Technology | no data | - |
| Idle States | no data | + |
| Thermal Monitoring | - | + |
| SIPP | - | + |
| Turbo Boost Max 3.0 | no data | + |
| Deep Learning Boost | - | + |
| Supported AI Software Frameworks | - | OpenVINO™, WindowsML, DirectML, ONNX RT, WebNN |
Security technologies
Core 2 Duo (Desktop) E6700 and Core Ultra 9 275HX technologies aimed at improving security, for example, by protecting against hacks.
| TXT | no data | + |
| EDB | no data | + |
| OS Guard | no data | + |
Virtualization technologies
Virtual machine speed-up technologies supported by Core 2 Duo (Desktop) E6700 and Core Ultra 9 275HX are enumerated here.
| VT-d | no data | + |
| VT-x | no data | + |
| EPT | no data | + |
Memory specs
Types, maximum amount and channel quantity of RAM supported by Core 2 Duo (Desktop) E6700 and Core Ultra 9 275HX. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | DDR1, DDR2, DDR3 | DDR5-6400 |
| Maximum memory size | no data | 256 GB |
| Max memory channels | no data | 2 |
Graphics specifications
General parameters of integrated GPUs, if any.
| Integrated graphics card | no data | Intel® Graphics |
| Quick Sync Video | - | + |
| Graphics max frequency | no data | 1.9 GHz |
Graphics interfaces
Available interfaces and connections of Core 2 Duo (Desktop) E6700 and Core Ultra 9 275HX integrated GPUs.
| Number of displays supported | no data | 4 |
Graphics image quality
Maximum display resolutions supported by Core 2 Duo (Desktop) E6700 and Core Ultra 9 275HX integrated GPUs, including resolutions over different interfaces.
| Max resolution over HDMI 1.4 | no data | 4096 x 2304 @ 60Hz (HDMI 2.1 TMDS)7680 x 4320 @ 60Hz (HDMI 2.1 FRL) |
| Max resolution over eDP | no data | 3840 x 2400 @ 120Hz |
| Max resolution over DisplayPort | no data | 7680 x 4320 @ 60Hz |
Graphics API support
APIs supported by Core 2 Duo (Desktop) E6700 and Core Ultra 9 275HX integrated GPUs, sometimes API versions are included.
| DirectX | no data | 12 |
| OpenGL | no data | 4.5 |
Peripherals
Specifications and connection of peripherals supported by Core 2 Duo (Desktop) E6700 and Core Ultra 9 275HX.
| PCIe version | no data | 5.0 and 4.0 |
| PCI Express lanes | no data | 24 |
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.
GeekBench 5 Single-Core
GeekBench 5 Single-Core is a cross-platform application developed in the form of CPU tests that independently recreate certain real-world tasks with which to accurately measure performance. This version uses only a single CPU core.
GeekBench 5 Multi-Core
GeekBench 5 Multi-Core is a cross-platform application developed in the form of CPU tests that independently recreate certain real-world tasks with which to accurately measure performance. This version uses all available CPU cores.
Cinebench 10 32-bit single-core
Cinebench R10 is an ancient ray tracing benchmark for processors by Maxon, authors of Cinema 4D. Its single core version uses just one CPU thread to render a futuristic looking motorcycle.
Cinebench 10 32-bit multi-core
Cinebench Release 10 Multi Core is a variant of Cinebench R10 using all the processor threads. Possible number of threads is limited by 16 in this version.
Pros & cons summary
| Performance score | 0.55 | 31.79 |
| Physical cores | 2 | 24 |
| Threads | 2 | 24 |
| Chip lithography | 65 nm | 3 nm |
| Power consumption (TDP) | 4 Watt | 55 Watt |
Core 2 Duo E6700 has 1275% lower power consumption.
Ultra 9 275HX, on the other hand, has a 5680% higher aggregate performance score, 1100% more physical cores and 1100% more threads, and a 2066.7% more advanced lithography process.
The Intel Core Ultra 9 275HX is our recommended choice as it beats the Intel Core 2 Duo E6700 in performance tests.
Note that Core 2 Duo E6700 is a desktop processor while Core Ultra 9 275HX is a notebook one.
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