AMD Radeon HD 6390 vs AMD FireStream 9250

VS

AMD Radeon HD 6390

AMD FireStream 9250

We compared two Desktop platform GPUs: 1024MB VRAM Radeon HD 6390 and 1024MB VRAM FireStream 9250 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon HD 6390 's Advantages

Released 3 years and 1 months late

Lower TDP (39W vs 150W)

AMD FireStream 9250 's Advantages

Larger VRAM bandwidth (63.55GB/s vs 16.00GB/s)

480 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon HD 6390

0.352 TFLOPS

FireStream 9250 +184%

1 TFLOPS

Radeon HD 6390

VS

FireStream 9250

Graphics Card

Jul 2011

Release Date

Jun 2008

Northern Islands

Generation

FireStream

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

500 MHz

Memory Clock

993 MHz

Memory

1024MB

Memory Size

1024MB

DDR2

Memory Type

GDDR3

128bit

Memory Bus

256bit

16.00GB/s

Bandwidth

63.55GB/s

Render Config

4

Compute Units

10

-

320

Shading Units

800

16

TMUs

40

8

ROPs

16

-

8 KB (per CU)

L1 Cache

16 KB (per CU)

256 KB

L2 Cache

256 KB

-

Theoretical Performance

4.400 GPixel/s

Pixel Rate

10.00 GPixel/s

8.800 GTexel/s

Texture Rate

25.00 GTexel/s

-

352.0 GFLOPS

FP32 (float)

1000 GFLOPS

-

FP64 (double)

200.0 GFLOPS

Board Design

39W

TDP

150W

200 W

Suggested PSU

450 W

1x DVI 1x HDMI 1.3a 1x VGA

Outputs

1x DVI

None

Power Connectors

1x 6-pin

Graphics Processor

Redwood

GPU Name

RV770

Redwood LE

GPU Variant

RV770 PRO

TeraScale 2

Architecture

TeraScale

TSMC

Foundry

TSMC

40 nm

Process Size

55 nm

0.627 billion

Transistors

0.956 billion

104 mm²

Die Size

256 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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