AMD Radeon HD 6530 vs AMD Radeon HD 7970 GHz Edition

VS

AMD Radeon HD 6530

AMD Radeon HD 7970 GHz Edition

We compared two Desktop platform GPUs: 1024MB VRAM Radeon HD 6530 and 3GB VRAM Radeon HD 7970 GHz Edition to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon HD 6530 's Advantages

Lower TDP (39W vs 300W)

AMD Radeon HD 7970 GHz Edition 's Advantages

Released 1 years and 1 months late

Boost Clock1050MHz

More VRAM (3GB vs 1024GB)

Larger VRAM bandwidth (288.0GB/s vs 19.20GB/s)

1648 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon HD 6530

0.52 TFLOPS

Radeon HD 7970 GHz Edition +727%

4.301 TFLOPS

Radeon HD 6530

VS

Radeon HD 7970 GHz Edition

Graphics Card

May 2011

Release Date

Jun 2012

Northern Islands

Generation

Southern Islands

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

-

Base Clock

1000 MHz

-

Boost Clock

1050 MHz

600 MHz

Memory Clock

1500 MHz

Memory

1024MB

Memory Size

3GB

GDDR3

Memory Type

GDDR5

128bit

Memory Bus

384bit

19.20GB/s

Bandwidth

288.0GB/s

Render Config

5

Compute Units

32

-

400

Shading Units

2048

20

TMUs

128

8

ROPs

32

-

8 KB (per CU)

L1 Cache

16 KB (per CU)

256 KB

L2 Cache

768 KB

-

Theoretical Performance

5.200 GPixel/s

Pixel Rate

33.60 GPixel/s

13.00 GTexel/s

Texture Rate

134.4 GTexel/s

-

520.0 GFLOPS

FP32 (float)

4.301 TFLOPS

-

FP64 (double)

1075 GFLOPS

Board Design

39W

TDP

300W

200 W

Suggested PSU

700 W

1x DVI 1x HDMI 1.3a 1x VGA

Outputs

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

-

Power Connectors

1x 6-pin + 1x 8-pin

Graphics Processor

Redwood

GPU Name

Tahiti

Redwood PRO (215-0757004)

GPU Variant

Tahiti XT2 (215-0821065)

TeraScale 2

Architecture

GCN 1.0

TSMC

Foundry

TSMC

40 nm

Process Size

28 nm

0.627 billion

Transistors

4.313 billion

104 mm²

Die Size

352 mm²

Graphics Features

11.2 (11_0)

DirectX

12 (11_1)

4.4

OpenGL

4.6

1.2

OpenCL

1.2

N/A

Vulkan

1.2

-

5.0

Shader Model

5.1

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