GeForce GTX 570 Rev. 2 vs Radeon HD 7990

The GeForce GTX 570 Rev. 2 scores 5,500 and the Radeon HD 7990 reaches 5,566 in the G3D Mark benchmark — just a 1.2% difference, making them near-identical in rasterization performance. The GeForce GTX 570 Rev. 2 is built on Fermi 2.0 while the Radeon HD 7990 uses GCN 1.0, both on 40 nm vs 28 nm. Shader units: 480 (GeForce GTX 570 Rev. 2) vs 2,048 (Radeon HD 7990). Raw compute: 1.405 TFLOPS (GeForce GTX 570 Rev. 2) vs 4.096 TFLOPS ×2 (Radeon HD 7990).

The GeForce GTX 570 Rev. 2 gets NVIDIA DLSS, which still tends to look cleaner in motion. The Radeon HD 7990 leans on FSR, which is flexible and widely supported, but usually a bit rougher at the same settings.

The GeForce GTX 570 Rev. 2 has 4 GB of VRAM, while the Radeon HD 7990 carries 3 GB. GeForce GTX 570 Rev. 2 gives you 33.3% more memory capacity, which matters more once you move into heavier textures, mods, or higher resolutions. Memory bandwidth: 156 GB/s (GeForce GTX 570 Rev. 2) vs 288 GB/s x2 (Radeon HD 7990) — a 1747.4% advantage for the Radeon HD 7990. Memory bus width is 320-bit on the GeForce GTX 570 Rev. 2 and 384-bit x2 on the Radeon HD 7990. L2 Cache: 640 KB (GeForce GTX 570 Rev. 2) vs 768 KB (Radeon HD 7990) — the Radeon HD 7990 has significantly larger on-die cache to reduce VRAM reliance.

DirectX support: 12 (11_0) (GeForce GTX 570 Rev. 2) vs 12 (11_1) (Radeon HD 7990). Vulkan: 1.2 vs 1.2. OpenGL: 4.6 vs 4.6. Maximum simultaneous displays: 3 vs 5.

Hardware encoder: PureVideo HD VP4 (GeForce GTX 570 Rev. 2) vs VCE 1.0 (Radeon HD 7990). Decoder: PureVideo HD VP4 vs UVD 3.2. Supported codecs: H.264,VC-1,MPEG-2,MPEG-4 ASP (GeForce GTX 570 Rev. 2) vs H.264,MPEG-2,VC-1 (Radeon HD 7990).

The GeForce GTX 570 Rev. 2 draws 219W versus the Radeon HD 7990's 375W — a 52.5% difference. The GeForce GTX 570 Rev. 2 is more power-efficient. Recommended PSU: 550W (GeForce GTX 570 Rev. 2) vs 750W (Radeon HD 7990). Power connectors: 2x 6-pin vs 2x 8-pin. Card length: 267mm vs 305mm, occupying 2 vs 2 slots. Typical load temperature: 85°C vs 85.

At launch, the GeForce GTX 570 Rev. 2 came in at $349, while the Radeon HD 7990 launched at $999. On MSRP, GeForce GTX 570 Rev. 2 was 65.1% cheaper ($650 less). Performance per dollar on MSRP (G3D Mark / MSRP): 15.8 (GeForce GTX 570 Rev. 2) vs 5.6 (Radeon HD 7990) — the GeForce GTX 570 Rev. 2 offers 182.1% better value. The newer card here is Radeon HD 7990 (2013 vs 2010).

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