ATI Radeon HD 4750 vs ATI Radeon HD 4730 OEM

VS

ATI Radeon HD 4750

ATI Radeon HD 4730 OEM

We compared two Desktop platform GPUs: 512MB VRAM Radeon HD 4750 and 1024MB VRAM Radeon HD 4730 OEM to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

ATI Radeon HD 4750 's Advantages

Released 9 months late

Larger VRAM bandwidth (51.20GB/s vs 25.34GB/s)

320 additional rendering cores

Lower TDP (100W vs 110W)

ATI Radeon HD 4730 OEM 's Advantages

More VRAM (1024GB vs 512GB)

Score

Benchmark

FP32 (float)

Radeon HD 4750 +118%

0.934 TFLOPS

Radeon HD 4730 OEM

0.428 TFLOPS

Radeon HD 4750

VS

Radeon HD 4730 OEM

Graphics Card

Sep 2009

Release Date

Dec 2008

Radeon R700

Generation

Radeon R700

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

800 MHz

Memory Clock

396 MHz

Memory

512MB

Memory Size

1024MB

GDDR5

Memory Type

DDR2

128bit

Memory Bus

256bit

51.20GB/s

Bandwidth

25.34GB/s

Render Config

8

Compute Units

4

-

640

Shading Units

320

32

TMUs

16

ROPs

16

-

16 KB (per CU)

L1 Cache

-

128 KB

L2 Cache

256 KB

-

Theoretical Performance

11.68 GPixel/s

Pixel Rate

10.70 GPixel/s

23.36 GTexel/s

Texture Rate

10.70 GTexel/s

-

934.4 GFLOPS

FP32 (float)

428.2 GFLOPS

186.9 GFLOPS

FP64 (double)

85.63 GFLOPS

Board Design

100W

TDP

110W

300 W

Suggested PSU

300 W

2x DVI 1x S-Video

Outputs

2x DVI 1x S-Video

1x 6-pin

Power Connectors

-

Graphics Processor

RV740

GPU Name

RV670

RV740 PRO

GPU Variant

-

TeraScale

Architecture

TeraScale

TSMC

Foundry

TSMC

40 nm

Process Size

55 nm

0.826 billion

Transistors

0.666 billion

137 mm²

Die Size

192 mm²

Graphics Features

10.1 (10_1)

DirectX

10.1 (10_1)

3.3

OpenGL

3.3 (full) 4.0 (partial)

1.1

OpenCL

N/A

Vulkan

N/A

-

4.1

Shader Model

4.1

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