ATI Radeon HD 4750 vs ATI Radeon X1950 GT AGP

VS

ATI Radeon HD 4750

ATI Radeon X1950 GT AGP

We compared two Desktop platform GPUs: 512MB VRAM Radeon HD 4750 and 256MB VRAM Radeon X1950 GT 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 2 years and 7 months late

More VRAM (512GB vs 256GB)

Larger VRAM bandwidth (51.20GB/s vs 38.40GB/s)

640 additional rendering cores

ATI Radeon X1950 GT AGP 's Advantages

Lower TDP (57W vs 100W)

Score

Radeon HD 4750

VS

Radeon X1950 GT AGP

Graphics Card

Sep 2009

Release Date

Feb 2007

Radeon R700

Generation

Radeon R500 AGP

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

AGP 8x

Clock Speeds

-

800 MHz

Memory Clock

600 MHz

Memory

512MB

Memory Size

256MB

GDDR5

Memory Type

GDDR3

128bit

Memory Bus

256bit

51.20GB/s

Bandwidth

38.40GB/s

Render Config

8

Compute Units

-

640

Shading Units

-

32

TMUs

12

16

ROPs

12

-

16 KB (per CU)

L1 Cache

-

128 KB

L2 Cache

-

Theoretical Performance

11.68 GPixel/s

Pixel Rate

6.000 GPixel/s

23.36 GTexel/s

Texture Rate

6.000 GTexel/s

-

934.4 GFLOPS

FP32 (float)

-

186.9 GFLOPS

FP64 (double)

-

Board Design

100W

TDP

57W

300 W

Suggested PSU

250 W

2x DVI 1x S-Video

Outputs

2x DVI 1x S-Video

1x 6-pin

Power Connectors

2x Molex

Graphics Processor

RV740

GPU Name

RV570

RV740 PRO

GPU Variant

RV570 XL

TeraScale

Architecture

R500

TSMC

Foundry

TSMC

40 nm

Process Size

80 nm

0.826 billion

Transistors

0.33 billion

137 mm²

Die Size

230 mm²

Graphics Features

10.1 (10_1)

DirectX

9.0c (9_3)

3.3

OpenGL

2.1 (full) 3.0 (partial)

1.1

OpenCL

N/A

Vulkan

N/A

-

4.1

Shader Model

3.0

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