ATI Radeon HD 4750 vs ATI Radeon HD 4650 AGP

VS

ATI Radeon HD 4750

ATI Radeon HD 4650 AGP

We compared two Desktop platform GPUs: 512MB VRAM Radeon HD 4750 and 512MB VRAM Radeon HD 4650 AGP to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

ATI Radeon HD 4750 's Advantages

Released 1 years late

Larger VRAM bandwidth (51.20GB/s vs 12.80GB/s)

320 additional rendering cores

ATI Radeon HD 4650 AGP 's Advantages

Lower TDP (48W vs 100W)

Score

Benchmark

FP32 (float)

Radeon HD 4750 +143%

0.934 TFLOPS

Radeon HD 4650 AGP

0.384 TFLOPS

Radeon HD 4750

VS

Radeon HD 4650 AGP

Graphics Card

Sep 2009

Release Date

Sep 2008

Radeon R700

Generation

Radeon R700

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

AGP 8x

Clock Speeds

-

800 MHz

Memory Clock

400 MHz

Memory

512MB

Memory Size

512MB

GDDR5

Memory Type

DDR2

128bit

Memory Bus

128bit

51.20GB/s

Bandwidth

12.80GB/s

Render Config

8

Compute Units

4

-

640

Shading Units

320

32

TMUs

32

16

ROPs

8

-

16 KB (per CU)

L1 Cache

16 KB (per CU)

128 KB

L2 Cache

128 KB

-

Theoretical Performance

11.68 GPixel/s

Pixel Rate

4.800 GPixel/s

23.36 GTexel/s

Texture Rate

19.20 GTexel/s

-

934.4 GFLOPS

FP32 (float)

384.0 GFLOPS

186.9 GFLOPS

FP64 (double)

-

Board Design

100W

TDP

48W

300 W

Suggested PSU

200 W

2x DVI 1x S-Video

Outputs

1x DVI 1x HDMI 1.3a 1x VGA

1x 6-pin

Power Connectors

-

Graphics Processor

RV740

GPU Name

RV730

RV740 PRO

GPU Variant

RV730 PRO (215-0719056)

TeraScale

Architecture

TeraScale

TSMC

Foundry

TSMC

40 nm

Process Size

55 nm

0.826 billion

Transistors

0.514 billion

137 mm²

Die Size

146 mm²

Graphics Features

10.1 (10_1)

DirectX

10.1 (10_1)

3.3

OpenGL

3.3

1.1

OpenCL

1.1

N/A

Vulkan

N/A

-

4.1

Shader Model

4.1

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