It looks like first Maxwell GPUs are already in the wild. Luckily for us, a member of PCOnline forums had the opportunity to test the upcoming GTX 750 Ti from NVIDIA.
NVIDIA GeForce GTX 750 Ti specifications
According to the leaked GPU-Z screenshot the first Maxwell based GPU would sport 960 CUDA cores. In fact the configuration of this card is quite interesting. While having a big number of CUDA cores, it only has 16 ROPs and 128-bit memory interface. This is definitely a bottleneck.
Apart form 128b interface, we have 2GB of GDDR5 memory, which is fine, I guess. Bear in mind though, it only offers a bandwidth of 86.4 GB/s, just like 650 TI.
The GeForce GTX 750 Ti would support GPU Boost 2.0. Card is clocked at 1098/1176 MHz with a memory running at 1350 MHz (5.4 GHz).
GeForce GTX 750 Ti would feature the first Maxwell GPU, which is in fact just a Kepler refresh, probably nothing you were waiting for.
| GeForce GTX 750 Ti specifications | |||
|---|---|---|---|
| GeForce GTX 650 Ti | GeForce GTX 750 Ti | GeForce GTX 650 Ti Boost | |
| GPU | 28nm GK106 | 28nm GM10x | 28nm GK106 |
| GPU Config | 768 : 64 : 16 | 960 : 80 : 16 | 768 : 64 : 16 |
| GPU Clock | 928 MHz | 1098 / 1176 MHz | 980 / 1032 MHz |
| Memory Clock | 1350 MHz | 1350 MHz | 1502 MHz |
| Video Memory | 1GB GDDR5 | 2GB GDDR5 | 2GB GDDR5 |
| Memory Bus | 128-bit | 128-bit | 192-bit |
| Bandwidth | 86.4 GB/s | 86.4 GB/s | 144 GB/s |
| Launch Date | October 2012 | February 2014 | March 2013 |
NVIDIA GeForce GTX 750 Ti performance
The GTX 750 TI is not really a good performer. We can say it has a performance of Radeon HD 7770, probably good enough to compete with Radeon cards at this price point.
The leaker posted 3DMark Fire Strike and 3DMark 11 scores. If we look at 3DMark Fire Strike GPU scores, then we could say that Maxwell-based 750 Ti is 7% more efficient than Kepler-based GTX 650 TI:
- NVIDIA GeForce GTX 750 Ti: 3170 (107%)
- NVIDIA GeForce GTX 650 Ti: 2940 (100%)
NVIDIA GeForce GTX 750
The 750 Ti is not the only entry-level graphics card being prepared. There’s also a non-Ti variant, which is supposedly based on GM107 GPU. The GM107 GPU is almost identical to GK107, meaning GeForce GTX 750 would have the same specs as GTX 650 (the non-Ti).
Both cards are expected next month.
Source: PCOnline via AnandTech
Many thanks to Cloudfire for the tip!
