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For dual-core high-definition laptops under 3K, recommendations show that there is still a market for low-end products. When "tall, rich, and handsome" becomes a new term, those gold and diamond-encrusted Macbook Air SUPREMEFIRE, extremely high-end Dell Alienware extraterrestrial maniacs, and other high-end, luxurious configurations shine brightly. However, hidden beneath these dazzling halos are budget models priced under 3K, featuring plain appearances such as Pentium B9 series cores, Celeron B8 series cores, Core i3 HD 3000 integrated graphics, AMD E/C series machines. These lower-end products buried in the corners of the market are not only unremarkable but even lackluster.
For entry-level users who prioritize low-cost practicality mainly for daily online entertainment, this article first compares the low-end configurations and performance differences within the 3K range, then recommends and introduces integrated graphics and discrete graphics products at lower price points.
Sandy Bridge architecture Celeron B815 integrated graphics test
Like netbooks, Brazos APU's low-power design is specifically aimed at high-definition video laptops, online entertainment, and portable devices, obviously not targeting mainstream performance. Although Brazos APU was born at an unfortunate time during the decline of netbooks, data processing performance-wise, compared to the APU A-series processor, Brazos APU is indeed very weak. However, under the premise of only 18W power consumption (including GPU), Brazos APU E/C series processors can perfectly realize high-definition video playback and surpass Atom and ION combinations in various aspects. Undoubtedly, the combination of Radeon HD 6320/6310 graphics core and the Bobcat architecture is perfect, basically capable of handling mainstream high-definition videos, online entertainment, and even some 3D games at entry-level settings, faster than most current integrated graphics cards. It even rivals Sandy Bridge architecture's HD Graphics 3000 under DirectX 11 features. Is this not enough?
AMD APU E-450 (integrated graphics): 1024x768 (left), 1280x768 (right)
Thus, in terms of market segmentation, the performance under 3K can be divided as follows: purely discussing integrated graphics: Core i3 integrated graphics > Pentium B9 core integrated graphics > Celeron B815 integrated graphics > APU E-450. Due to the low-power design of the Brazos APU series processors, from the 3DMark06 test results, it almost equals the performance of Celeron B815, with little difference between the two. Although the main frequency of the APU E/C series is relatively low, adding a discrete graphics card configuration can significantly reduce the data pressure on the CPU's graphics performance.
On the other hand, within the 3K price range, selecting integrated graphics models offers more balanced matching. However, in addition to many integrated graphics models, laptop manufacturers also offer quite a few discrete graphics models to enhance performance, such as Pentium B9 core paired with GT 540M, HD 6370M, APU E-450/E-350 paired with HD 6470M discrete graphics card configurations, which significantly boost performance. Below is the configuration price table of five products introduced in this article under 3K.
By testing the performance of Celeron Dual-Core B815 through 3Dmark06, since the test includes the comprehensive presentation of both graphics card and processor, it can also serve as a reference for daily application needs. In the Core i3 + HD3000 integrated graphics test (default resolution of 1280x768), the score is approximately 3600 points, while Pentium Dual-Core B940 + HD3000 integrated graphics scores around 3100 points, and this Celeron Dual-Core B815 scores 2911 points, making the distinction quite clear. Under the Sandy Bridge architecture, the performance ratio can be roughly calculated as follows: Celeron B815 = 80% x Pentium B940 = 72% x Core i3 (core graphics).
Careful friends may notice that since the Celeron B815 dual-core processor continues the Sandy Bridge architecture, compared with Core i-series, the disadvantages of the dual-core Celeron B815 are the lack of support for AVX instruction sets and the castration of L3 cache. Compared with its "difficult brothers" Pentium Dual-Core B9 series, many specifications are very similar, such as both having 2MB L3 cache, GPU graphics core frequency of 650-1050MHz (Pentium B9 series GPU dynamic frequency is also 650-1100MHz, slightly higher), and the actual performance is also quite close.
A nearly perfect fusion: AMD APU Brazos low-power platform
In addition to Intel, on the AMD side, the configurations currently available under 3K include AMD E/C series models. The AMD Brazos platform consists of two major parts: one is the Zacate E series and Ontario C series APU processors based on the Bobcat microarchitecture, manufactured using TSMC's 40nm process. They not only have dual-core models but also single-core models, with an area of only 75 square millimeters.
The E series processors include APU E-450/350/300, all designed with dual-core dual-thread, 1M Level 2 high-speed cache, and integrated graphics core. The dual-core processor of APU E-450 has a clock speed of 1.6GHz, TDP thermal design power consumption of 18W, and the biggest difference is that the internal integrated graphics card has been upgraded to AMD Radeon HD6320G. The APU E-350/300 integrates Radeon HD 6310, supporting DirectX 11, with a TDP design of merely 18W, indicating a very low power consumption design.
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