#49
Y aquí los datos reales e imparciales de rendimiento de una y otra GPU, calculados a partir de las características técnicas de uno y otro chip:
Triangle Setup
Xbox 360 - 500 Million Triangles/sec
PS3 - 275 Million Triangles/sec
Vertex Shader Processing
Xbox 360 - 6.0 Billion Vertices/sec (using all 48 Unified Pipelines)
Xbox 360 - 2.0 Billion Vertices/sec (using only 16 of the 48 Unified Pipelines)
Xbox 360 - 1.5 Billion Vertices/sec (using only 12 of the 48 Unified Pipelines)
Xbox 360 - 1.0 Billion Vertices/sec (using only 8 of the 48 Unified Pipelines)
PS3 - 1.1 Billion Vertices/sec (if all 8 Vertex Pipelines remain)
PS3 - 0.825 Billion Vertices/sec (if downgraded to 6 Vertex Pipelines)
Filtered Texture Fetch
Xbox 360 - 8.0 Billion Texels/sec
PS3 - 13.2 Billion Texels/sec (if all 24 Pixel Pipelines remain)
PS3 - 11.0 Billion Texels/sec (if downgraded to 20 Pixel Pipelines)
Vertex Texture Fetch
Xbox 360 - 8.0 Billion Texels/sec
PS3 - 4.4 Billion Texels/sec (if all 8 Vertex Pipelines remain)
PS3 - 3.3 Billion Texels/sec (if downgraded to 6 Vertex Pipelines)
Pixel Shader Processing with 16 Filtered Texels Per Cycle (Pixel ALU x Clock)
Xbox 360 - 24.0 Billion Pixels/sec (using all 48 Unified Pipelines)
Xbox 360 - 20.0 Billion Pixels/sec (using 40 of the 48 Unified Pipelines)
Xbox 360 - 18.0 Billion Pixels/sec (using 36 of the 48 Unified Pipelines)
Xbox 360 - 16.0 Billion Pixels/sec (using 32 of the 48 Unified Pipelines)
PS3 - 17.6 Billion Pixels/sec (if all 24 Pixel Pipelines remain)
PS3 - 13.2 Billion Pixels/sec (if downgraded to 20 Pixel Pipelines)
Pixel Shader Processing without Textures (Pixel ALU x Clock)
Xbox 360 - 24.0 Billion Pixels/sec (using all 48 Unified Pipelines)
Xbox 360 - 20.0 Billion Pixels/sec (using 40 of the 48 Unified Pipelines)
Xbox 360 - 18.0 Billion Pixels/sec (using 36 of the 48 Unified Pipelines)
Xbox 360 - 16.0 Billion Pixels/sec (using 32 of the 48 Unified Pipelines)
PS3 - 26.4 Billion Pixels/sec (if all 24 Pixel Pipelines remain)
PS3 - 22.0 Billion Pixels/sec (if downgraded to 20 Pixel Pipelines)
Multisampled Fill Rate
Xbox 360 - 16.0 Billion Samples/sec (8 ROPS x 4 Samples x 500MHz)
PS3 - 8.8 Billion Samples/sec (8 ROPS x 2 Samples x 550MHz)
Pixel Fill Rate with 4x Multisampled Anti-Aliasing
Xbox 360 - 4.0 Billion Pixels/sec (8 ROPS x 4 Samples x 500MHz / 4)
PS3 - 2.2 Billion Pixels/sec (8 ROPS x 2 Samples x 550MHz / 4)
Pixel Fill Rate without Anti-Aliasing
Xbox 360 - 4.0 Billion Pixels/sec (8 ROPS x 500MHz)
PS3 - 4.4 Billion Pixels/sec (8 ROPS x 550MHz)
Frame Buffer Bandwidth
Xbox 360 - 256.0 GB/sec (dedicated for frame buffer rendering)
PS3 - 22.4 GB/sec (shared with other graphics data: textures and vertices)
PS3 - 12.4 GB/sec (with 10.0 GB/sec subtracted for textures and vertices)
PS3 - 10.0 GB/sec (with 12.4 GB/sec subtracted for textures and vertices)
Texture/Vertex Memory Bandwidth
Xbox 360 - 22.4 GB/sec (shared with CPU)
Xbox 360 - 14.4 GB/sec (with 8.0 GB/sec subtracted for CPU)
Xbox 360 - 12.4 GB/sec (with 10.0 GB/sec subtracted for CPU)
PS3 - 22.4 GB/sec (shared with frame buffer)
PS3 - 12.4 GB/sec (with 10.0 GB/sec subtracted for frame buffer)
PS3 - 10.0 GB/sec (with 12.4 GB/sec subtracted for frame buffer)
Shader Model
Xbox 360 - Shader Model 3.0+ / Unified Shader Architecture
PS3 - Shader Model 3.0 / Discrete Shader Architecture
Como ves en muy pocas cosas el RSX queda por delante del Xenos, por no decir que en algunos campos el RSX es literalmente destrozado, como en el calculo de poligonos y el ancho de banda de framebuffer, que es precisamente el secreto de antialising + HDR sin tanta perdida de rendimiento.