Phison has recently introduced impressive benchmarks showcasing its E28 Gen5 SSD controller. This new controller demonstrates significantly lower power consumption compared to its competitor, Silicon Motion, while simultaneously unveiling the E31T SSD drives and delivering standout demonstrations of its capabilities.
Phison’s E28 Gen5 Controller: An Energy-Efficient Powerhouse Outshining Silicon Motion’s SM2508
Phison’s E28 Gen5 SSD controller has established itself as a leader in high-performance storage solutions. Although Silicon Motion’s SM2508 has been a prominent player in the consumer SSD market, Phison has taken steps to challenge the narrative surrounding power efficiency that SMI once put forth. Recent benchmark tests clearly position the E28 in a favorable light.
In a series of comparative benchmarks, Phison’s E28 consistently outperformed the SMI2508 across crucial tests, confirming its superiority in power efficiency. For instance, during Sequential Sustained Read power assessments at queue depth eight (Q8, T1), the E28 demonstrated power consumption of just 6.17W compared to SMI’s 7.39W. Furthermore, in write operations, the E28’s 6.06W contrasted with SMI’s 7.12W, underscoring the importance of this 1W difference, especially in high-performance SSDs.
Phison also presented Random Sustained Read and Write power consumption metrics (Q32, T16), which revealed the E28 Gen5 SSD using 7.46W during reads against SMI’s 7.9W. In write tests, the results were even more favorable, with the E28 consuming only 5.44W, while the SMI controller drew 5.91W. Notably, the SMI Gen5 controller exhibited power spikes due to premature garbage collection, pushing its consumption to nearly 8W—a significant concern for efficiency-focused users.
This efficiency extends to speed, with Phison showcasing the E28 Gen5 SSD capable of achieving remarkable performance metrics: offering read speeds soaring to 14, 942.85 MB/s, write speeds reaching 14, 149.47 MB/s, and impressive random 4K benchmarks at 92.19 MB/s for reads and 368.45 MB/s for writes.
During the demonstrations, Phison utilized an AMD Gen5 platform, which exemplified the substantial potential for high-speed storage performance. Inquiries regarding underwhelming performance metrics observed on Intel’s Core Ultra 200S platform were addressed by Phison, indicating that the latency issues stem from Gen5 lanes routed through different CPU sections. Comparatively, both the 13th and 14th Gen CPUs provide faster lanes without these latency drawbacks, making them preferable options for Gen5 SSD implementations.
Looking ahead, Phison introduced the E31T “PS5031-E31T”M.2 SSD controller, which adopts a DRAM-less design. This controller supports both 2230 and 2240 form factors, making it ideal for compact devices like handheld consoles and laptops. Notably, a 2230 Gen5 SSD is expected to debut in an upcoming handheld from a leading vendor, a development that promises exciting advancements in portable gaming.
Furthermore, the E31T SSD plays a significant role in enhancing the battery life of laptops offering improved efficiency in the smaller 2230/2240 form factors compared to the traditional 2280 models. This advancement is especially pertinent for OLED laptops, which, despite their superior display quality, consume more energy due to heightened brightness levels. E31T-based SSDs promise elevated performance while concurrently preserving battery longevity.
Lastly, Phison showcased their prowess with an APEX storage benchmark that operated a total of 16 SSDs within an APEX add-in card (AIC).The results from two of the three installed AICs highlighted potential speeds reaching 113, 601 MB/s for read operations and 104, 628 MB/s for writes. These figures reflect unrealized speeds constrained by existing limitations of the Windows kernel, underscoring the vast capabilities of Phison’s Gen5 SSD controllers.
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