ATI Radeon HD 4580
Graphics Processor
| GPU Name: | RV635 PRO |
|---|---|
| Process Size: | 55 nm |
| Transistors: | 378 million |
| Die Size: | 135 mm² |
Graphics Card
| Released: | Nov 20th, 2011 |
|---|---|
| Production Status: | End-of-life |
| Bus Interface: | PCIe 2.0 x16 |
Clock Speeds
| GPU Clock: | 796 MHz |
|---|---|
| Memory Clock: |
693 MHz
1386 MHz effective |
Memory
| Memory Size: | 512 MB |
|---|---|
| Memory Type: | GDDR3 |
| Memory Bus: | 128 bit |
| Bandwidth: | 22.2 GB/s |
Render Config
| Shading Units: | 120 |
|---|---|
| TMUs: | 8 |
| ROPs: | 4 |
| Compute Units: | 3 |
| Pixel Rate: | 3.18 GPixel/s |
| Texture Rate: | 6.37 GTexel/s |
| Floating-point performance: | 191.0 GFLOPS |
Reference Board
| Slot Width: | Single-slot |
|---|---|
| Length: | 7.48 inches 190 mm |
| TDP: | 65 W |
| Outputs: | 2x DVI 1x S-Video |
Graphics Features
| DirectX: | 10.1 |
|---|---|
| OpenGL: | 3.3 |
| OpenCL: | 1.0 |
| Shader Model: | 4.1 |
VGA BIOS
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GPU-Z Validation
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Card Notes
| Very Rare GPU |