AMD Radeon HD 7450 OEM vs ATI Radeon HD 4570 Rebrand

VS

AMD Radeon HD 7450 OEM

ATI Radeon HD 4570 Rebrand

We compared two Desktop platform GPUs: 512MB VRAM Radeon HD 7450 OEM and 1024MB VRAM Radeon HD 4570 Rebrand 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 2 years and 2 months late

40 additional rendering cores

Lower TDP (18W vs 65W)

ATI Radeon HD 4570 Rebrand 's Advantages

More VRAM (1024GB vs 512GB)

Larger VRAM bandwidth (12.67GB/s vs 8.528GB/s)

Score

Benchmark

FP32 (float)

Radeon HD 7450 OEM +4%

0.2 TFLOPS

Radeon HD 4570 Rebrand

0.191 TFLOPS

Radeon HD 7450 OEM

VS

Radeon HD 4570 Rebrand

Graphics Card

Jan 2012

Release Date

Nov 2009

Southern Islands

Generation

Radeon R700

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

533 MHz

Memory Clock

396 MHz

Memory

512MB

Memory Size

1024MB

GDDR3

Memory Type

DDR2

64bit

Memory Bus

128bit

8.528GB/s

Bandwidth

12.67GB/s

Render Config

2

Compute Units

3

-

160

Shading Units

120

8

TMUs

8

4

ROPs

4

-

8 KB (per CU)

L1 Cache

-

128 KB

L2 Cache

128 KB

-

Theoretical Performance

2.500 GPixel/s

Pixel Rate

3.184 GPixel/s

5.000 GTexel/s

Texture Rate

6.368 GTexel/s

-

200.0 GFLOPS

FP32 (float)

191.0 GFLOPS

-

Board Design

18W

TDP

65W

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

RV635

Caimour

GPU Variant

RV635 PRO (215-0682008)

TeraScale 2

Architecture

TeraScale

TSMC

Foundry

TSMC

40 nm

Process Size

55 nm

0.37 billion

Transistors

0.378 billion

67 mm²

Die Size

135 mm²

Graphics Features

11.2 (11_0)

DirectX

10.1 (10_1)

4.4

OpenGL

3.3

1.2

OpenCL

N/A

Vulkan

N/A

-

5.0

Shader Model

4.1

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