AMD Radeon HD 7970 vs AMD FireStream 9270

VS

We compared two Desktop platform GPUs: 3GB VRAM Radeon HD 7970 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 7970 's Advantages

Released 3 years and 1 months late

More VRAM (3GB vs 2GB)

Larger VRAM bandwidth (264.0GB/s vs 115.2GB/s)

1248 additional rendering cores

AMD FireStream 9270 's Advantages

Lower TDP (160W vs 250W)

Score

Benchmark

FP32 (float)

Radeon HD 7970 +215%

3.789 TFLOPS

FireStream 9270

1.2 TFLOPS

Radeon HD 7970

VS

FireStream 9270

Graphics Card

Dec 2011

Release Date

Nov 2008

Southern Islands

Generation

FireStream

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

Base Clock

-

Boost Clock

-

1375 MHz

Memory Clock

900 MHz

Memory

3GB

Memory Size

2GB

GDDR5

Memory Type

GDDR5

384bit

Memory Bus

256bit

264.0GB/s

Bandwidth

115.2GB/s

Render Config

-

SM Count

-

32

Compute Units

10

2048

Shading Units

800

128

TMUs

40

32

ROPs

16

-

Tensor Cores

-

RT Cores

-

16 KB (per CU)

L1 Cache

16 KB (per CU)

768 KB

L2 Cache

256 KB

Theoretical Performance

29.60 GPixel/s

Pixel Rate

12.00 GPixel/s

118.4 GTexel/s

Texture Rate

30.00 GTexel/s

-

FP16 (half)

-

3.789 TFLOPS

FP32 (float)

1200 GFLOPS

947.2 GFLOPS

FP64 (double)

240.0 GFLOPS

Graphics Processor

Tahiti

GPU Name

RV770

Tahiti XT (215-0821060)

GPU Variant

RV770 XT

GCN 1.0

Architecture

TeraScale

TSMC

Foundry

TSMC

28 nm

Process Size

55 nm

4.313 billion

Transistors

0.956 billion

352 mm²

Die Size

256 mm²

Board Design

250W

TDP

160W

600 W

Suggested PSU

450 W

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

Outputs

1x DVI

1x 6-pin + 1x 8-pin

Power Connectors

2x 6-pin

Graphics Features

12 (11_1)

DirectX

10.1 (10_1)

4.6

OpenGL

3.3

1.2

OpenCL

1.1

1.2

Vulkan

N/A

-

CUDA

-

5.1

Shader Model

4.1

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