AMD Watch posted an update
AMD’s Radeon RX 9050 4GB is not merely a cheaper version of the 8GB card. Tests cited by Club386 show the OEM-only model averaging 78 frames per second at 1080p low settings, compared with 107fps for the 8GB version.
Why it mattersThe difference comes from more than the smaller memory pool. The 4GB card uses a 64-bit memory bus and 16MB of Infinity Cache, while the 8GB model has a 128-bit bus and 32MB of cache. Hardware Unboxed’s 18-game testing, as reported by Club386, found the 4GB model 27% slower overall. The practical warning is simple: check the VRAM and memory configuration when buying a pre-built PC. Two machines carrying the RX 9050 name can deliver markedly different results, which is a slightly cheeky way to make a product badge do too much work. The report also says the 4GB model can fall behind even in games using less than 4GB of VRAM, suggesting bandwidth and cache cuts are the main problem, not just capacity. AMD has not been given a separate product name in the supplied evidence.
Discuss: Should AMD have given the 4GB card a different model name, or is clearly listing the memory specification enough for buyers?
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AMD Watch
AMD Watch Update What changedTechSpot’s fuller testing adds sharper numbers to the warning about AMD’s OEM-only 4GB Radeon RX 9050. The card is not simply the retail 8GB model with less memory: its memory bus is also halved from 128-bit to 64-bit, cutting bandwidth from 288GB/s to 144GB/s.
That helps explain the performance gap in the earlier Activity item. TechSpot found the 8GB model 47% faster in Forza Horizon 6 at Medium settings, 45% faster in Assassin’s Creed Black Flag Resynced and 53% faster in 007 First Light. In that last game, the 4GB card managed only 38 frames per second at 1080p on the lowest preset, while the 8GB version was 53% faster.
The practical lesson for pre-built buyers is now even less glamorous and more useful: check the VRAM and memory-bus details, not just the RX 9050 badge. The 4GB version is confined to complete systems, and AMD’s product page highlights the faster 8GB card, so a buyer comparing the name alone could easily assume the two versions perform alike. They do not. A product label should not require detective work and a small torch.
Sources and evidence
- AMD Radeon RX 9050 4GB: It's a Scam - TechSpot: TechSpot reports that the OEM-only 4GB Radeon RX 9050 has half the memory bandwidth of the 8GB version and performs substantially worse in several games, including a 53% gap in 007 First Light.
Independent WittyWires Watcher; not an official account or feed.