Steam Deck OLED APU vs i5-8400
Aggregate performance score
Core i5-8400 outperforms Steam Deck OLED APU by a significant 26% based on our aggregate benchmark results.
Primary details
Comparing Core i5-8400 and Steam Deck OLED APU processor market type (desktop or notebook), architecture, sales start time and price.
| Place in the ranking | 1114 | 1288 |
| Place by popularity | 68 | not in top-100 |
| Cost-effectiveness evaluation | 4.80 | no data |
| Market segment | Desktop processor | Laptop |
| Series | Intel Core i5 | Renoir (Ryzen 4000 APU) |
| Power efficiency | 8.47 | 29.09 |
| Architecture codename | Coffee Lake-S (2017−2018) | Van Gogh (Custom) (2023) |
| Release date | 24 September 2017 (7 years ago) | 9 November 2023 (1 year ago) |
| Launch price (MSRP) | $182 | no data |
Cost-effectiveness evaluation
Performance per price, higher is better.
Detailed specifications
Core i5-8400 and Steam Deck OLED APU 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 | 6 (Hexa-Core) | 4 (Quad-Core) |
| Threads | 6 | 8 |
| Base clock speed | 2.8 GHz | 2.4 GHz |
| Boost clock speed | 4 GHz | 3.5 GHz |
| Bus type | DMI 3.0 | no data |
| Bus rate | 4 × 8 GT/s | no data |
| Multiplier | 28 | no data |
| L1 cache | 384 KB | 256 KB |
| L2 cache | 1.5 MB | 2 MB |
| L3 cache | 9 MB (shared) | 4 MB |
| Chip lithography | 14 nm | 6 nm |
| Die size | 149 mm2 | no data |
| Maximum core temperature | 100 °C | no data |
| Maximum case temperature (TCase) | 72 °C | no data |
| 64 bit support | + | + |
| Windows 11 compatibility | + | no data |
Compatibility
Information on Core i5-8400 and Steam Deck OLED APU 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) | no data |
| Socket | FCLGA1151 | no data |
| Power consumption (TDP) | 65 Watt | 15 Watt |
Technologies and extensions
Technological solutions and additional instructions supported by Core i5-8400 and Steam Deck OLED APU. You'll probably need this information if you require some particular technology.
| Instruction set extensions | Intel® SSE4.1, Intel® SSE4.2, Intel® AVX2 | MMX, SSE, SSE2, SSE3, SSSE3, SSE4A, SSE4.1, SSE4.2, AVX, AVX2, BMI2, ABM, FMA, ADX, SMEP, SMAP, CPB, AES-NI, RDRAND, RDSEED, SHA, SME |
| AES-NI | + | + |
| FMA | - | + |
| AVX | + | + |
| vPro | + | no data |
| Enhanced SpeedStep (EIST) | + | no data |
| Turbo Boost Technology | 2.0 | no data |
| Hyper-Threading Technology | - | no data |
| Idle States | + | no data |
| Thermal Monitoring | + | - |
Security technologies
Core i5-8400 and Steam Deck OLED APU 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 i5-8400 and Steam Deck OLED APU 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 i5-8400 and Steam Deck OLED APU. Depending on the motherboard, higher memory frequencies may be supported.
| Supported memory types | DDR3, DDR4 | DDR4 |
| 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 Compare | Intel UHD Graphics 630 | AMD Radeon Steam Deck 8CU |
| Max video memory | 64 GB | no data |
| Quick Sync Video | + | - |
| Clear Video | + | no data |
| Clear Video HD | + | no data |
| Graphics max frequency | 1.05 GHz | no data |
| InTru 3D | + | no data |
Graphics interfaces
Available interfaces and connections of Core i5-8400 and Steam Deck OLED APU integrated GPUs.
| Number of displays supported | 3 | no data |
Graphics image quality
Maximum display resolutions supported by Core i5-8400 and Steam Deck OLED APU integrated GPUs, including resolutions over different interfaces.
| 4K resolution support | + | no data |
| Max resolution over HDMI 1.4 | 4096x2304@24Hz | no data |
| Max resolution over eDP | 4096x2304@60Hz | no data |
| Max resolution over DisplayPort | 4096x2304@60Hz | no data |
Graphics API support
APIs supported by Core i5-8400 and Steam Deck OLED APU 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 i5-8400 and Steam Deck OLED APU.
| PCIe version | 3.0 | no data |
| PCI Express lanes | 16 | no data |
Synthetic benchmark performance
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. We are regularly improving our combining algorithms, but if you find some perceived inconsistencies, feel free to speak up in comments section, we usually fix problems quickly.
Cinebench 15 64-bit multi-core
Cinebench Release 15 Multi Core is a variant of Cinebench R15 which uses all the processor threads.
Pros & cons summary
| Performance score | 5.84 | 4.63 |
| Recency | 24 September 2017 | 9 November 2023 |
| Physical cores | 6 | 4 |
| Threads | 6 | 8 |
| Chip lithography | 14 nm | 6 nm |
| Power consumption (TDP) | 65 Watt | 15 Watt |
i5-8400 has a 26.1% higher aggregate performance score, and 50% more physical cores.
Steam Deck OLED APU, on the other hand, has an age advantage of 6 years, 33.3% more threads, a 133.3% more advanced lithography process, and 333.3% lower power consumption.
The Core i5-8400 is our recommended choice as it beats the Steam Deck OLED APU in performance tests.
Note that Core i5-8400 is a desktop processor while Steam Deck OLED APU is a notebook one.
Should you still have questions on choice between Core i5-8400 and Steam Deck OLED APU, ask them in Comments section, and we shall answer.
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