Sony VAIO VGN-SZ791N
Average of 3 scores (from 3 reviews)
Reviews for the Sony VAIO VGN-SZ791N
Source: PC World
The 4-pound Sony VAIO VGN-SZ791N falls somewhere between a beefy ultraportable and an all-purpose laptop. The SZ791N's power is undeniable, but the keyboard and the mouse buttons raise questions about component quality. And considering Sony's $2500 asking price, we can't help but wish for a little more.
71 von 100, Vearbeitung mangelhaft, Preis mangelhaft, Display gut
Single Review, online available, Short, Date: 04/11/2008
Rating: Total score: 71% price: 50% display: 80% workmanship: 50%
Source: Laptop Mag
The VAIO VGN-SZ791N/X has a lot going for it. It delivers a top-of-the-line processor and plenty of RAM, a wealth of features, and great looks. The nearly $700 premium it costs over the similarly sized, similar-performing XPS M1330 makes the Dell system a better buy, but for the extra money, you get a more business oriented machine with hard drive protection and TPM circuitry.
4 von 5, Leistung exzellent, Preis/Leistung schlecht
Single Review, online available, Medium, Date: 03/11/2008
Rating: Total score: 80% price: 40% performance: 95%
Source: PC Mag
When Sony kicked off its SZ series of ultraportables with the VAIO VGN-SZ170P, the company showed that it was the first to understand how important discrete graphics and an optical drive were to performance-seeking world travelers. The SZ791N becomes our new ultraportable Editors' Choice by delivering a combination of outstanding performance scores and long battery life.
4.5 von 5, Leistung exzellent, Mobilität gut, Preis/Leistung mangelhaft
Single Review, online available, Short, Date: 03/07/2008
Rating: Total score: 90% price: 50% performance: 95% mobility: 80%
CommentNVIDIA GeForce 8400M GS: NVidia GeForce 8400M GS is the DirectX 10 capable successor of the GeForce Go 7400 for laptops and technologically a slower 8400M GT video card (because of the smaller 64 Bit memory bus).
Only some 3D games with very low demands are playable with these cards.
Intel Core 2 Duo: This is the Core Duo and Core Solo successor with a longer pipeline and 5-20% more speed without more power consumption. As an addition to the Core Duo design there exists a fourth decoder, an amplified SSE-unit and an additional arithmetical logical unit (ALU).
The Core 2 Duo for laptops is identical to the desktop Core 2 Duo processors but the notebook-processors work with lower voltages (0.95 to 1188 Volt) and a lower Frontside bus clock (1066 vs 667 MHz). The performance of equally clocked notebooks is 20-25% lower than Desktop PCs because of the lower Frontside bus clock and the slower hard disks.
The T9300 is a fast middle class dual core CPU for laptops and similar to the T9400 but with a lower FSB.
» Further information can be found in our Comparison of Mobile Processsors.
Above all, this display size is used for subnotebooks, ultrabooks and convertibles. For all three types, this size is quite large. The biggest variety of subnotebooks is represented with this size.
Large display-sizes allow higher resolutions. So, details like letters are bigger. On the other hand, the power consumption is lower with small screen diagonals and the devices are smaller, more lightweight and cheaper.» To find out how fine a display is, see our DPI List.
This weight is typical for very big tablets, subnotebooks, ultrabooks and convertibles with a 11-13 inch display-diagonal.
Sony: Sony Corporation is a multinational conglomerate corporation headquartered in Japan. Sony is one of the leading manufacturers of electronics, video, communications, video game consoles, and information technology products for the consumer and professional markets. Its name is derived from sonus, the Latin word for sound. The company was founded 1946 with another name and renamed in 1958. Sony Corporation is the electronics business unit and the parent company of the Sony Group, which is engaged in business through its five operating segments—electronics, games, entertainment (motion pictures and music), financial services and other. Sony is a notebook manufacturer of medium size according international market shares.
From 2014, Sony has reduced the production of Vaio laptops and finally discontinued them. Sony is still present in the smartphone and tablet market, yet not among the Top 5 manufacturers.
80.33%: This rating should be considered to be average. This is because the proportion of notebooks which have a higher rating is approximately equal to the proportion which have a lower rating.
» Further information can be found in our Notebook Purchase Guide.