AMD Radeon HD 6450 OEM vs AMD Radeon HD 7470 OEM

VS

AMD Radeon HD 6450 OEM

AMD Radeon HD 7470 OEM

We compared two Desktop platform GPUs: 512MB VRAM Radeon HD 6450 OEM and 1024MB VRAM Radeon HD 7470 OEM to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon HD 6450 OEM 's Advantages

Lower TDP (18W vs 27W)

AMD Radeon HD 7470 OEM 's Advantages

Released 11 months late

More VRAM (1024GB vs 512GB)

Larger VRAM bandwidth (28.80GB/s vs 8.528GB/s)

Score

Benchmark

FP32 (float)

Radeon HD 6450 OEM

0.2 TFLOPS

Radeon HD 7470 OEM +20%

0.24 TFLOPS

Radeon HD 6450 OEM

VS

Radeon HD 7470 OEM

Graphics Card

Feb 2011

Release Date

Jan 2012

Northern Islands

Generation

Southern Islands

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

533 MHz

Memory Clock

900 MHz

Memory

512MB

Memory Size

1024MB

GDDR3

Memory Type

GDDR5

64bit

Memory Bus

64bit

8.528GB/s

Bandwidth

28.80GB/s

Render Config

2

Compute Units

2

-

160

Shading Units

160

8

TMUs

8

4

ROPs

4

-

8 KB (per CU)

L1 Cache

8 KB (per CU)

128 KB

L2 Cache

128 KB

-

Theoretical Performance

2.500 GPixel/s

Pixel Rate

3.000 GPixel/s

5.000 GTexel/s

Texture Rate

6.000 GTexel/s

-

200.0 GFLOPS

FP32 (float)

240.0 GFLOPS

-

Board Design

18W

TDP

27W

200 W

Suggested PSU

200 W

1x DVI 1x HDMI 1.3a 1x VGA

Outputs

1x DVI 1x DisplayPort 1.1

None

Power Connectors

None

Graphics Processor

Caicos

GPU Name

Caicos

Junbonator

GPU Variant

Khalidster

TeraScale 2

Architecture

TeraScale 2

TSMC

Foundry

TSMC

40 nm

Process Size

40 nm

0.37 billion

Transistors

0.37 billion

67 mm²

Die Size

67 mm²

Graphics Features

11.2 (11_0)

DirectX

11.2 (11_0)

4.4

OpenGL

4.4

1.2

OpenCL

1.2

N/A

Vulkan

N/A

-

5.0

Shader Model

5.0

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