ATI Radeon X1950 GT vs ATI Radeon HD 4750

VS

ATI Radeon X1950 GT

ATI Radeon HD 4750

We compared two Desktop platform GPUs: 256MB VRAM Radeon X1950 GT and 512MB VRAM Radeon HD 4750 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

ATI Radeon X1950 GT 's Advantages

Lower TDP (57W vs 100W)

ATI Radeon HD 4750 's Advantages

Released 2 years and 8 months late

More VRAM (512GB vs 256GB)

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

640 additional rendering cores

Score

Radeon X1950 GT

VS

Radeon HD 4750

Graphics Card

Jan 2007

Release Date

Sep 2009

Radeon R500 PCIe

Generation

Radeon R700

Desktop

Type

Desktop

PCIe 1.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

600 MHz

Memory Clock

800 MHz

Memory

256MB

Memory Size

512MB

GDDR3

Memory Type

GDDR5

256bit

Memory Bus

128bit

38.40GB/s

Bandwidth

51.20GB/s

Render Config

-

Compute Units

8

-

Shading Units

640

12

TMUs

32

12

ROPs

16

-

L1 Cache

16 KB (per CU)

-

L2 Cache

128 KB

-

Theoretical Performance

6.000 GPixel/s

Pixel Rate

11.68 GPixel/s

6.000 GTexel/s

Texture Rate

23.36 GTexel/s

-

FP32 (float)

934.4 GFLOPS

-

FP64 (double)

186.9 GFLOPS

Board Design

57W

TDP

100W

250 W

Suggested PSU

300 W

2x DVI 1x S-Video

Outputs

2x DVI 1x S-Video

1x 6-pin

Power Connectors

1x 6-pin

Graphics Processor

RV570

GPU Name

RV740

RV570 XL

GPU Variant

RV740 PRO

R500

Architecture

TeraScale

TSMC

Foundry

TSMC

80 nm

Process Size

40 nm

0.33 billion

Transistors

0.826 billion

230 mm²

Die Size

137 mm²

Graphics Features

9.0c (9_3)

DirectX

10.1 (10_1)

2.1 (full) 3.0 (partial)

OpenGL

3.3

N/A

OpenCL

1.1

N/A

Vulkan

N/A

-

3.0

Shader Model

4.1

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