ATi Radeon HD 4770
Series: Radeon HD 4k
GPU: RV740
Release Date: 2009-04-28
Interface: PCI-E 2.0 x16
Core Clock: 750 MHz
Shader Clock: 750 MHz
Memory Clock: 1600 MHz (3200 DDR)
Memory Bandwidth: 51.2 GB/sec
FLOPS: 960 GFLOPS
Pixel Fill Rate: 12000 MPixels/sec
Texture Fill Rate: 24000 MTexels/sec
Max Power Draw: 80 W
Noise Level: Moderate
Framebuffer: 512 MB
Memory Type: GDDR5
Memory Bus Type: 64x2 (128 bit)
DirectX Compliance: 10.1
OpenGL Compliance: 2.1
PS/VS Version: 4.1/4.1
Process: 40 nm
Shader Processors: 640
Pipeline Layout: ?
Texture Units: 32
Raster Operators 16
ATi Radeon HD 5450
Series: Radeon HD 5k
GPU: Cedar
Release Date: 2010-02-04
Interface: PCI-E 2.0 x16
Core Clock: 650 MHz
Shader Clock: 650 MHz
Memory Clock: 800 MHz (1600 DDR)
Memory Bandwidth: 12.8 GB/sec
FLOPS: 104 GFLOPS
Pixel Fill Rate: 2600 MPixels/sec
Texture Fill Rate: 5200 MTexels/sec
Max Power Draw: 20 W
Noise Level: Quiet
Framebuffer: 512,1024,2048 MB
Memory Type: GDDR3
Memory Bus Type: 32x2 (64 bit)
DirectX Compliance: 11.0
OpenGL Compliance: 3.2
PS/VS Version: 5.0/5.0
Process: 40 nm
Shader Processors: 80
Pipeline Layout: VLIW5
Texture Units: 8
Raster Operators 4