General information about the Radeon RX 7600
Like the previous models in the series, the Radeon RX 7600 graphics card is based on the modern RDNA3 architecture. The computational blocks of the new budget GPU are not fundamentally different from the previous solutions, as they feature improved ray tracing cores and can also accelerate artificial intelligence tasks. The Radeon RX 7600 is based on the Navi 33 chip, which is fully compatible with the company's latest graphics architecture. The main difference lies in the improved computational blocks with double the instruction issue rate, resulting in better performance per clock (up to 17% in real-world tasks according to AMD). Additionally, the ray tracing accelerators have been significantly improved (claiming a 50% acceleration).
Radeon RX 7600 Graphics Accelerator
Chip code name: Navi 33
Manufacturing technology: 6nm (N6 TSMC)
13.3 billion transistors (57.7 billion in Navi 31)
Core area: 204 mm² (522 mm² in Navi 31)
Unified architecture, with a series of processors for the flow of various types of data: vertices, pixels, etc.
Hardware support for DirectX DirectX 12 Ultimate, with Feature Level 12_2 support
Memory bus: 128-bit with 2 independent 64-bit memory controllers supporting GDDR6
GPU frequency: up to 2625 MHz
32 compute units (CUs) with a total of 2048 ALUs for integer and floating-point calculations (supported formats include INT4, INT8, INT16, FP16, FP32, and FP64)
Ray tracing acceleration: 32 ray tracing acceleration blocks for ray triangle intersection and bounding volume hierarchy (BVH) calculations
Texture blocks: 128 address and filtering blocks for textures with FP16/FP32 elements, supporting both trilinear and anisotropic filtering for all texture formats
Raster operation (ROP) blocks: 8 ROP blocks with 64 pixels supporting various anti-aliasing modes, including programmable modes for FP16/FP32 formats
Display support for HDMI 2.1b and DisplayPort 2.1
Reference graphics card specifications for Radeon RX 7600
Core frequency (Gaming/Turbo): 2250/2625 MHz
Number of All-in-One processors: 2048
128 texture blocks
Number of blending blocks: 64
Effective memory frequency: 18 GHz
Memory type: GDDR6
Memory bus: 128-bit
Memory capacity: 8GB
Memory bandwidth: 288GB/sec
Computational performance (FP32): up to 21.8 teraflops
Theoretical maximum fill rate: 170 GPU/s
Theoretical maximum texture sampling rate: 340 gigatexels/s
PCI Express 4.0 x8 interface
Connections: one HDMI 2.1b, two DisplayPort 2.1, and one USB Type-C
Power consumption: up to 165W
Auxiliary power: one 8-pin connector
Number of available slots in the system case: 2
Conclusion
The AMD Radeon RX 7600 (8GB) is a logical update to the series. This card not only outperforms its immediate predecessor (judging by the nomenclature) the Radeon RX 6600, but also faster solutions from the previous generation - the Radeon RX 6600 XT and Radeon RX 6650 XT. And that would be fine, but as usual, the starting price is very high. Of course, if you look at the recommended retail prices (MSRP) during the release of the Radeon RX 6600 XT and Radeon RX 6650 XT, the current MSRP of the Radeon RX 7600 seems quite reasonable. However, it has been over a year since the release of the Radeon RX 6650 XT and over a year and a half since the release of the Radeon RX 6600 XT, and during this time their prices have managed to drop significantly.
Now, regarding the new product's bottlenecks. The first thing that catches attention is the 8 GB of memory (the Internet is full of research regarding the minimum memory requirement for today's accelerators that claim to be comfortable at resolutions above Full HD, and obviously it's not 8 GB, but at least 10-11). Taking into account that AMD itself positions the RX 7600 for Full HD resolutions, the 8 GB memory size doesn't seem to be a big issue.
The second bottleneck is closely related to the first: the memory bus. Basically, the same bus (128-bit) was present in the predecessors Radeon RX 6600 XT and Radeon RX 6650 XT. However, considering the same MFR (memory operating frequency as in the Radeon RX 6650 XT) at higher frequencies of the core itself, one can assume that here the MFR can already become a bottleneck for overall performance. And the third bottleneck is a truncated system interface: only 8 PCIe lanes, although version 4.0. On this matter, the situation is similar to that of its predecessors, so we do not recommend buying such graphics cards for use in previous generations of computers that only support PCIe 3.0 in the graphics card slot.
Like the previous models in the series, the Radeon RX 7600 graphics card is based on the modern RDNA3 architecture, the new economical GPU compute units are functionally similar to the older models, featuring improved ray tracing cores and the ability to accelerate artificial intelligence tasks. But while the innovation is based on the same graphics architecture, the Navi 33 chip is a monolithic chip, as it does not make sense to organize chiplets for simple GPUs. The junior GPU is not manufactured using the latest 6nm processor, which did not significantly improve energy efficiency compared to the previous generation, but reduced the production cost of these chips for AMD.
Also note that the entire Radeon RX 7000 family has improved output subsystem. Even the examined budget graphics card features DisplayPort 2.1 UHBR13.5 ports, which is an advantage over GeForce, which are limited to DisplayPort 1.4a capabilities, and specifically allows for outputting images in 4K at 240Hz without flow compression via a single cable. Video encoding and decoding capabilities are also not different from previous solutions, including full support for the AV1 format.
The manufacturer offers a 4-year warranty for this card (product registration on the manufacturer's website is required).
Let's note once again that the Radeon RX 7600 is excellent for gaming at 1080p resolution with maximum graphics quality with ray tracing support DLSS/FSR/XeSS, while it also appears to perform well in some games at 2.5K resolution without RT.
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