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ATI Radeon HD 4750

Graphics Processor
512 MB
Memory Size
Memory Type
128 bit
Bus Width
ATI Radeon HD 4750 Image ATI RV740 Image
The Radeon HD 4750 was a graphics card by ATI, launched in September 2009. Built on the 40 nm process, and based on the RV740 graphics processor, in its RV740 PRO variant, the card supports DirectX 10.1. The RV740 graphics processor is an average sized chip with a die area of 137 mm² and 826 million transistors. It features 640 shading units, 32 texture mapping units and 16 ROPs. ATI has placed 512 MB GDDR5 memory on the card, which are connected using a 128-bit memory interface. The GPU is operating at a frequency of 730 MHz, memory is running at 800 MHz.
We recommend the ATI Radeon HD 4750 for gaming with highest details at resolutions up to, and including, 1280x720.
Being a single-slot card, the ATI Radeon HD 4750 draws power from 1x 6-pin power connectors, with power draw rated at 100 W maximum. Display outputs include: 2x DVI, 1x S-Video. Radeon HD 4750 is connected to the rest of the system using a PCIe 2.0 x16 interface.

Graphics Processor

GPU Name: RV740
GPU Variant: RV740 PRO
Architecture: TeraScale
Process Size: 40 nm
Transistors: 826 million
Die Size: 137 mm²

Graphics Card

Released: Sep 9th, 2009
Production Status: End-of-life
Bus Interface: PCIe 2.0 x16

Clock Speeds

GPU Clock: 730 MHz
Memory Clock: 800 MHz
3200 MHz effective


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: 11.68 GPixel/s
Texture Rate: 23.36 GTexel/s
Floating-point performance: 934.4 GFLOPS

Board Design

Slot Width: Single-slot
TDP: 100 W
Outputs: 2x DVI
1x S-Video
Power Connectors: 1x 6-pin
Board Number: B863

Graphics Features

DirectX: 10.1
OpenGL: 3.3
OpenCL: 1.0
Shader Model: 4.1


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Card Notes

Chinese Market Only