AMD Radeon HD 6390 vs AMD Radeon HD 7470 OEM

VS

AMD Radeon HD 6390

AMD Radeon HD 7470 OEM

We compared two Desktop platform GPUs: 1024MB VRAM Radeon HD 6390 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 6390 's Advantages

160 additional rendering cores

AMD Radeon HD 7470 OEM 's Advantages

Released 6 months late

Larger VRAM bandwidth (28.80GB/s vs 16.00GB/s)

Lower TDP (27W vs 39W)

Score

Benchmark

FP32 (float)

Radeon HD 6390 +46%

0.352 TFLOPS

Radeon HD 7470 OEM

0.24 TFLOPS

Radeon HD 6390

VS

Radeon HD 7470 OEM

Graphics Card

Jul 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

-

500 MHz

Memory Clock

900 MHz

Memory

1024MB

Memory Size

1024MB

DDR2

Memory Type

GDDR5

128bit

Memory Bus

64bit

16.00GB/s

Bandwidth

28.80GB/s

Render Config

4

Compute Units

2

-

320

Shading Units

160

16

TMUs

8

ROPs

4

-

8 KB (per CU)

L1 Cache

8 KB (per CU)

256 KB

L2 Cache

128 KB

-

Theoretical Performance

4.400 GPixel/s

Pixel Rate

3.000 GPixel/s

8.800 GTexel/s

Texture Rate

6.000 GTexel/s

-

352.0 GFLOPS

FP32 (float)

240.0 GFLOPS

-

Board Design

39W

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

Redwood

GPU Name

Caicos

Redwood LE

GPU Variant

Khalidster

TeraScale 2

Architecture

TeraScale 2

TSMC

Foundry

TSMC

40 nm

Process Size

40 nm

0.627 billion

Transistors

0.37 billion

104 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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