AMD FireStream 9270 vs AMD Radeon HD 7950 Mac Edition

VS

AMD FireStream 9270

AMD Radeon HD 7950 Mac Edition

We compared two Desktop platform GPUs: 2GB VRAM FireStream 9270 and 3GB VRAM Radeon HD 7950 Mac Edition to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD FireStream 9270 's Advantages

Lower TDP (160W vs 200W)

AMD Radeon HD 7950 Mac Edition 's Advantages

Released 4 years and 4 months late

More VRAM (3GB vs 2GB)

Larger VRAM bandwidth (240.0GB/s vs 115.2GB/s)

992 additional rendering cores

Score

Benchmark

FP32 (float)

FireStream 9270

1.2 TFLOPS

Radeon HD 7950 Mac Edition +138%

2.867 TFLOPS

FireStream 9270

VS

Radeon HD 7950 Mac Edition

Graphics Card

Nov 2008

Release Date

Mar 2013

FireStream

Generation

Southern Islands

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

-

900 MHz

Memory Clock

1250 MHz

Memory

2GB

Memory Size

3GB

GDDR5

Memory Type

GDDR5

256bit

Memory Bus

384bit

115.2GB/s

Bandwidth

240.0GB/s

Render Config

10

Compute Units

28

-

800

Shading Units

1792

40

TMUs

112

16

ROPs

32

-

16 KB (per CU)

L1 Cache

16 KB (per CU)

256 KB

L2 Cache

768 KB

-

Theoretical Performance

12.00 GPixel/s

Pixel Rate

25.60 GPixel/s

30.00 GTexel/s

Texture Rate

89.60 GTexel/s

-

1200 GFLOPS

FP32 (float)

2.867 TFLOPS

240.0 GFLOPS

FP64 (double)

716.8 GFLOPS

Board Design

160W

TDP

200W

450 W

Suggested PSU

550 W

1x DVI

Outputs

1x DVI 1x HDMI 1.4a 2x mini-DisplayPort 1.2

2x 6-pin

Power Connectors

2x 6-pin

Graphics Processor

RV770

GPU Name

Tahiti

RV770 XT

GPU Variant

Tahiti PRO (215-0821056)

TeraScale

Architecture

GCN 1.0

TSMC

Foundry

TSMC

55 nm

Process Size

28 nm

0.956 billion

Transistors

4.313 billion

256 mm²

Die Size

352 mm²

Graphics Features

10.1 (10_1)

DirectX

12 (11_1)

3.3

OpenGL

4.6

1.1

OpenCL

1.2

N/A

Vulkan

1.2

-

4.1

Shader Model

5.1

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