ATI Radeon HD 4770
Graphics Processor
| GPU Name: | RV740 |
|---|---|
| Process Size: | 40 nm |
| Transistors: | 826 million |
| Die Size: | 137 mm² |
Graphics Card
| Released: | Apr 28th, 2009 |
|---|---|
| Production Status: | End-of-life |
| Launch Price: | 109 USD |
| Bus Interface: | PCIe 2.0 x16 |
Clock Speeds
| GPU Clock: | 750 MHz |
|---|---|
| Memory Clock: |
800 MHz
3200 MHz effective |
Memory
| Memory Size: | 512 MB |
|---|---|
| Memory Type: | GDDR5 |
| Memory Bus: | 128 bit |
| Bandwidth: | 51.2 GB/s |
Render Config
| Shading Units: | 640 |
|---|---|
| TMUs: | 32 |
| ROPs: | 16 |
| Compute Units: | 8 |
| Pixel Rate: | 12.0 GPixel/s |
| Texture Rate: | 24.0 GTexel/s |
| Floating-point performance: | 960.0 GFLOPS |
Reference Board
| Slot Width: | Dual-slot |
|---|---|
| Length: | 8 inches 203 mm |
| TDP: | 80 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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Reviews
| Our review database contains 82 reviews of the Radeon HD 4770. |
Retail boards based on this design
| Name | GPU Clock | Memory Clock | Other Changes |
|---|---|---|---|
| ASUS HD 4770 Formula | 750 MHz | 800 MHz | Single-slot, 1x DVI 1x VGA 1x HDMI |