AMD Radeon HD 6390 vs AMD Radeon HD 6490

VS

AMD Radeon HD 6390

AMD Radeon HD 6490

We compared two Desktop platform GPUs: 1024MB VRAM Radeon HD 6390 and 1024MB VRAM Radeon HD 6490 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Score

Benchmark

FP32 (float)

Radeon HD 6390

0.352 TFLOPS

Radeon HD 6490

0.352 TFLOPS

Radeon HD 6390

VS

Radeon HD 6490

Graphics Card

Jul 2011

Release Date

Jul 2011

Northern Islands

Generation

Northern Islands

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

500 MHz

Memory Clock

500 MHz

Memory

1024MB

Memory Size

1024MB

DDR2

Memory Type

DDR2

128bit

Memory Bus

128bit

16.00GB/s

Bandwidth

16.00GB/s

Render Config

4

Compute Units

4

-

320

Shading Units

320

16

TMUs

16

8

ROPs

8

-

8 KB (per CU)

L1 Cache

8 KB (per CU)

256 KB

L2 Cache

256 KB

-

Theoretical Performance

4.400 GPixel/s

Pixel Rate

4.400 GPixel/s

8.800 GTexel/s

Texture Rate

8.800 GTexel/s

-

352.0 GFLOPS

FP32 (float)

352.0 GFLOPS

-

Board Design

39W

TDP

39W

200 W

Suggested PSU

200 W

1x DVI 1x HDMI 1.3a 1x VGA

Outputs

1x DVI 1x HDMI 1.3a 1x VGA

None

Power Connectors

None

Graphics Processor

Redwood

GPU Name

Redwood

Redwood LE

GPU Variant

Redwood LE

TeraScale 2

Architecture

TeraScale 2

TSMC

Foundry

TSMC

40 nm

Process Size

40 nm

0.627 billion

Transistors

0.627 billion

104 mm²

Die Size

104 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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