Core Ultra 9 185H vs Core 2 Duo T6400
Primary details
Comparing Core 2 Duo T6400 and Core Ultra 9 185H processor market type (desktop or notebook), architecture, sales start time and price.
| Place in performance ranking | not rated | 288 |
| Place by popularity | not in top-100 | not in top-100 |
| Market segment | Laptop | Laptop |
| Series | Intel Core 2 Duo | Intel Meteor Lake-H |
| Architecture codename | Penryn (2008−2011) | Meteor Lake-H |
| Release date | 1 January 2009 (15 years ago) | 14 December 2023 (less than a year ago) |
| Current price | $33 | no data |
Detailed specifications
Core 2 Duo T6400 and Core Ultra 9 185H 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) | 16 (Hexadeca-Core) |
| Threads | 2 | 22 |
| Base clock speed | 2 GHz | 3.9 GHz |
| Boost clock speed | 2 GHz | 5.1 GHz |
| Bus support | 800 MHz | no data |
| L1 cache | no data | 112 KB (per core) |
| L2 cache | 2 MB | 2 MB (per core) |
| L3 cache | 2 MB L2 Cache | 24 MB (shared) |
| Chip lithography | 45 nm | 7 nm |
| Maximum core temperature | 105 °C | no data |
| 64 bit support | + | + |
| Windows 11 compatibility | - | no data |
| Unlocked multiplier | No | No |
| VID voltage range | 1V-1.25V | no data |
Compatibility
Information on Core 2 Duo T6400 and Core Ultra 9 185H 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 | no data | 1 |
| Socket | PGA478 | FCBGA2049 |
| Power consumption (TDP) | 35 Watt | 45 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by Core 2 Duo T6400 and Core Ultra 9 185H. 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 | no data | + |
| AVX | no data | + |
| vPro | no data | + |
| Enhanced SpeedStep (EIST) | + | + |
| Speed Shift | no data | + |
| Turbo Boost Technology | - | no data |
| Hyper-Threading Technology | - | + |
| TSX | no data | + |
| Thermal Monitoring | no data | + |
| Flex Memory Access | no data | + |
| SIPP | no data | + |
| Demand Based Switching | - | no data |
| Turbo Boost Max 3.0 | no data | + |
| Status | Discontinued | Launched |
Security technologies
Core 2 Duo T6400 and Core Ultra 9 185H technologies aimed at improving security, for example, by protecting against hacks.
| TXT | - | + |
| EDB | + | + |
| Secure Key | no data | + |
| OS Guard | no data | + |
Virtualization technologies
Virtual machine speed-up technologies supported by Core 2 Duo T6400 and Core Ultra 9 185H are enumerated here.
| VT-d | no data | + |
| VT-x | - | + |
| EPT | no data | + |
Memory specs
Types, maximum amount and channel quantity of RAM supported by Core 2 Duo T6400 and Core Ultra 9 185H. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | no data | DDR5 |
| Maximum memory size | no data | 96 GB |
| Max memory channels | no data | 2 |
| ECC memory support | no data | - |
Graphics specifications
General parameters of integrated GPUs, if any.
| Integrated graphics card | no data | Intel® Arc™ graphics |
| Quick Sync Video | no data | + |
| Graphics max frequency | no data | 2.35 GHz |
Graphics interfaces
Available interfaces and connections of Core 2 Duo T6400 and Core Ultra 9 185H integrated GPUs.
| Number of displays supported | no data | 4 |
Graphics image quality
Maximum display resolutions supported by Core 2 Duo T6400 and Core Ultra 9 185H 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 (HDMI2.1 FRL) |
| Max resolution over eDP | no data | 3840x2400 @ 120Hz |
| Max resolution over DisplayPort | no data | 7680 x 4320 @ 60Hz |
Graphics API support
APIs supported by Core 2 Duo T6400 and Core Ultra 9 185H integrated GPUs, sometimes API versions are included.
| DirectX | no data | 12.2 |
| OpenGL | no data | 4.6 |
Peripherals
Specifications and connection of peripherals supported by Core 2 Duo T6400 and Core Ultra 9 185H.
| PCIe version | no data | 5.0 |
| PCI Express lanes | no data | 28 |
| PCI support | no data | 5.0 and 4.0 |
Synthetic benchmark performance
Various benchmark results of the processors in comparison. Overall score is measured in points in 0-100 range, higher is better.
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.
Benchmark coverage: 68%
Core Ultra 9 185H outperforms Core 2 Duo T6400 by 3834% in Passmark.
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.
Benchmark coverage: 42%
Core Ultra 9 185H outperforms Core 2 Duo T6400 by 901% in GeekBench 5 Single-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.
Benchmark coverage: 42%
Core Ultra 9 185H outperforms Core 2 Duo T6400 by 3402% in GeekBench 5 Multi-Core.
wPrime 32
wPrime 32M is a math multi-thread processor test, which calculates square roots of first 32 million integer numbers. Its result is measured in seconds, so that the less is benchmark result, the faster the processor.
Benchmark coverage: 18%
Core 2 Duo T6400 outperforms Core Ultra 9 185H by 387% in wPrime 32.
Pros & cons summary
| Recency | 1 January 2009 | 14 December 2023 |
| Physical cores | 2 | 16 |
| Threads | 2 | 22 |
| Chip lithography | 45 nm | 7 nm |
| Power consumption (TDP) | 35 Watt | 45 Watt |
We couldn't decide between Core 2 Duo T6400 and Core Ultra 9 185H. We've got no test results to judge.
Should you still have questions on choice between Core 2 Duo T6400 and Core Ultra 9 185H, ask them in Comments section, and we shall answer.
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