Steam Deck CPU (LCD) vs i9-9900T
Primary details
Comparing Core i9-9900T and Steam Deck CPU (LCD) processor market type (desktop or notebook), architecture, sales start time and price.
| Place in the ranking | 913 | not rated |
| Place by popularity | not in top-100 | not in top-100 |
| Cost-effectiveness evaluation | 6.25 | no data |
| Market segment | Desktop processor | Laptop |
| Series | Intel Core i9 | no data |
| Power efficiency | 22.25 | no data |
| Architecture codename | Coffee Lake-R (2018−2019) | Van Gogh (2022−2023) |
| Release date | 23 April 2019 (5 years ago) | 25 February 2022 (2 years ago) |
| Launch price (MSRP) | $439 | no data |
Cost-effectiveness evaluation
Performance per price, higher is better.
Detailed specifications
Core i9-9900T and Steam Deck CPU (LCD) 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 | 8 (Octa-Core) | 4 (Quad-Core) |
| Threads | 16 | 8 |
| Base clock speed | 2.1 GHz | 2.4 GHz |
| Boost clock speed | 4.4 GHz | 3.5 GHz |
| Bus type | DMI 3.0 | no data |
| Bus rate | 4 × 8 GT/s | no data |
| Multiplier | 21 | no data |
| L1 cache | 64K (per core) | 64 KB (per core) |
| L2 cache | 256K (per core) | 512 KB (per core) |
| L3 cache | 16 MB (shared) | 4 MB (shared) |
| Chip lithography | 14 nm | 7 nm |
| Die size | 180.3 mm2 | 163 mm2 |
| Maximum core temperature | 100 °C | no data |
| Maximum case temperature (TCase) | 72 °C | no data |
| Number of transistors | no data | 2,400 million |
| 64 bit support | + | + |
| Windows 11 compatibility | + | no data |
Compatibility
Information on Core i9-9900T and Steam Deck CPU (LCD) 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 (Uniprocessor) | 1 |
| Socket | FCLGA1151 | AMD BGA ST1 |
| Power consumption (TDP) | 35 Watt | 15 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by Core i9-9900T and Steam Deck CPU (LCD). You'll probably need this information if you require some particular technology.
| Instruction set extensions | Intel® SSE4.1, Intel® SSE4.2, Intel® AVX2 | no data |
| AES-NI | + | + |
| AVX | + | + |
| vPro | + | no data |
| Enhanced SpeedStep (EIST) | + | no data |
| Turbo Boost Technology | 2.0 | no data |
| Hyper-Threading Technology | + | no data |
| TSX | + | - |
| Idle States | + | no data |
| Thermal Monitoring | + | - |
| SIPP | + | - |
| Precision Boost 2 | no data | + |
Security technologies
Core i9-9900T and Steam Deck CPU (LCD) technologies aimed at improving security, for example, by protecting against hacks.
| TXT | + | no data |
| EDB | + | no data |
| Secure Key | + | no data |
| MPX | + | - |
| Identity Protection | + | - |
| SGX | Yes with Intel® ME | no data |
| OS Guard | + | no data |
Virtualization technologies
Virtual machine speed-up technologies supported by Core i9-9900T and Steam Deck CPU (LCD) are enumerated here.
| AMD-V | + | + |
| VT-d | + | no data |
| VT-x | + | no data |
| EPT | + | no data |
Memory specs
Types, maximum amount and channel quantity of RAM supported by Core i9-9900T and Steam Deck CPU (LCD). Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | DDR4 | DDR5 |
| Maximum memory size | 128 GB | no data |
| Max memory channels | 2 | no data |
| Maximum memory bandwidth | 42.671 GB/s | no data |
Graphics specifications
General parameters of integrated GPUs, if any.
| Integrated graphics card | Intel UHD Graphics 630 | Radeon Navi II 8CU |
| Max video memory | 64 GB | no data |
| Quick Sync Video | + | - |
| Clear Video | + | no data |
| Clear Video HD | + | no data |
| Graphics max frequency | 1.2 GHz | no data |
| InTru 3D | + | no data |
Graphics interfaces
Available interfaces and connections of Core i9-9900T and Steam Deck CPU (LCD) integrated GPUs.
| Number of displays supported | 3 | no data |
Graphics image quality
Maximum display resolutions supported by Core i9-9900T and Steam Deck CPU (LCD) integrated GPUs, including resolutions over different interfaces.
| 4K resolution support | + | no data |
| Max resolution over HDMI 1.4 | 4096 x 2304@24Hz | no data |
| Max resolution over eDP | 4096 x 2304@60Hz | no data |
| Max resolution over DisplayPort | 4096 x 2304@60Hz | no data |
Graphics API support
APIs supported by Core i9-9900T and Steam Deck CPU (LCD) integrated GPUs, sometimes API versions are included.
| DirectX | 12 | no data |
| OpenGL | 4.5 | no data |
Peripherals
Specifications and connection of peripherals supported by Core i9-9900T and Steam Deck CPU (LCD).
| PCIe version | 3.0 | 3.0 |
| PCI Express lanes | 16 | 8 |
Pros & cons summary
| Recency | 23 April 2019 | 25 February 2022 |
| Physical cores | 8 | 4 |
| Threads | 16 | 8 |
| Chip lithography | 14 nm | 7 nm |
| Power consumption (TDP) | 35 Watt | 15 Watt |
i9-9900T has 100% more physical cores and 100% more threads.
Steam Deck CPU (LCD), on the other hand, has an age advantage of 2 years, a 100% more advanced lithography process, and 133.3% lower power consumption.
We couldn't decide between Core i9-9900T and Steam Deck CPU (LCD). We've got no test results to judge.
Note that Core i9-9900T is a desktop processor while Steam Deck CPU (LCD) is a notebook one.
Should you still have questions on choice between Core i9-9900T and Steam Deck CPU (LCD), ask them in Comments section, and we shall answer.
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