AMD Radeon HD 6790 vs AMD FireStream 9270

VS

AMD Radeon HD 6790

AMD FireStream 9270

We compared two Desktop platform GPUs: 1024MB VRAM Radeon HD 6790 and 2GB VRAM FireStream 9270 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon HD 6790 's Advantages

Released 2 years and 5 months late

Larger VRAM bandwidth (134.4GB/s vs 115.2GB/s)

Lower TDP (150W vs 160W)

AMD FireStream 9270 's Advantages

More VRAM (2GB vs 1024GB)

Score

Benchmark

FP32 (float)

Radeon HD 6790 +12%

1.344 TFLOPS

FireStream 9270

1.2 TFLOPS

Radeon HD 6790

VS

FireStream 9270

Graphics Card

Apr 2011

Release Date

Nov 2008

Northern Islands

Generation

FireStream

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

1050 MHz

Memory Clock

900 MHz

Memory

1024MB

Memory Size

2GB

GDDR5

Memory Type

GDDR5

256bit

Memory Bus

256bit

134.4GB/s

Bandwidth

115.2GB/s

Render Config

10

Compute Units

10

-

800

Shading Units

800

40

TMUs

40

16

ROPs

16

-

8 KB (per CU)

L1 Cache

16 KB (per CU)

512 KB

L2 Cache

256 KB

-

Theoretical Performance

13.44 GPixel/s

Pixel Rate

12.00 GPixel/s

33.60 GTexel/s

Texture Rate

30.00 GTexel/s

-

1344 GFLOPS

FP32 (float)

1200 GFLOPS

-

FP64 (double)

240.0 GFLOPS

Board Design

150W

TDP

160W

450 W

Suggested PSU

450 W

2x DVI 1x HDMI 1.3a 1x DisplayPort 1.1

Outputs

1x DVI

2x 6-pin

Power Connectors

2x 6-pin

Graphics Processor

Barts

GPU Name

RV770

Barts LE (215-0798002)

GPU Variant

RV770 XT

TeraScale 2

Architecture

TeraScale

TSMC

Foundry

TSMC

40 nm

Process Size

55 nm

1.7 billion

Transistors

0.956 billion

255 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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