AMD Radeon HD 7450 OEM vs ATI Radeon HD 4700

VS

AMD Radeon HD 7450 OEM

ATI Radeon HD 4700

We compared two Desktop platform GPUs: 512MB VRAM Radeon HD 7450 OEM and 512MB VRAM Radeon HD 4700 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon HD 7450 OEM 's Advantages

Released 1 years and 11 months late

Lower TDP (18W vs 50W)

ATI Radeon HD 4700 's Advantages

Larger VRAM bandwidth (12.80GB/s vs 8.528GB/s)

160 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon HD 7450 OEM

0.2 TFLOPS

Radeon HD 4700 +92%

0.384 TFLOPS

Radeon HD 7450 OEM

VS

Radeon HD 4700

Graphics Card

Jan 2012

Release Date

Feb 2010

Southern Islands

Generation

Radeon R700

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

533 MHz

Memory Clock

400 MHz

Memory

512MB

Memory Size

512MB

GDDR3

Memory Type

DDR2

64bit

Memory Bus

128bit

8.528GB/s

Bandwidth

12.80GB/s

Render Config

2

Compute Units

4

-

160

Shading Units

320

8

TMUs

32

4

ROPs

8

-

8 KB (per CU)

L1 Cache

16 KB (per CU)

128 KB

L2 Cache

128 KB

-

Theoretical Performance

2.500 GPixel/s

Pixel Rate

4.800 GPixel/s

5.000 GTexel/s

Texture Rate

19.20 GTexel/s

-

200.0 GFLOPS

FP32 (float)

384.0 GFLOPS

-

Board Design

18W

TDP

50W

200 W

Suggested PSU

250 W

1x DVI 1x HDMI 1.3a

Outputs

2x DVI 1x S-Video

None

Power Connectors

-

Graphics Processor

Caicos

GPU Name

RV730

Caimour

GPU Variant

RV730 CE

TeraScale 2

Architecture

TeraScale

TSMC

Foundry

TSMC

40 nm

Process Size

55 nm

0.37 billion

Transistors

0.514 billion

67 mm²

Die Size

146 mm²

Graphics Features

11.2 (11_0)

DirectX

10.1 (10_1)

4.4

OpenGL

3.3

1.2

OpenCL

1.1

N/A

Vulkan

N/A

-

5.0

Shader Model

4.1

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