AMD Radeon Sky 900 vs AMD Radeon HD 6530

VS

We compared two Desktop platform GPUs: 3GB VRAM Radeon Sky 900 and 1024MB VRAM Radeon HD 6530 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon Sky 900 's Advantages

Released 1 years and 10 months late

Boost Clock950MHz

More VRAM (3GB vs 1GB)

Larger VRAM bandwidth (240.0GB/s vs 19.20GB/s)

1392 additional rendering cores

AMD Radeon HD 6530 's Advantages

Lower TDP (39W vs 300W)

Score

Benchmark

FP32 (float)

Radeon Sky 900 +554%

3.405 TFLOPS

Radeon HD 6530

0.52 TFLOPS

Radeon Sky 900

VS

Radeon HD 6530

Graphics Card

Mar 2013

Release Date

May 2011

Radeon Sky

Generation

Northern Islands

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

825 MHz

Base Clock

-

950 MHz

Boost Clock

-

1250 MHz

Memory Clock

600 MHz

Memory

3GB

Memory Size

1024MB

GDDR5

Memory Type

GDDR3

384bit

Memory Bus

128bit

240.0GB/s

Bandwidth

19.20GB/s

Render Config

-

SM Count

-

28

Compute Units

5

1792

Shading Units

400

112

TMUs

20

32

ROPs

8

-

Tensor Cores

-

RT Cores

-

16 KB (per CU)

L1 Cache

8 KB (per CU)

768 KB

L2 Cache

256 KB

Theoretical Performance

30.40 GPixel/s

Pixel Rate

5.200 GPixel/s

106.4 GTexel/s

Texture Rate

13.00 GTexel/s

-

FP16 (half)

-

3.405 TFLOPS

FP32 (float)

520.0 GFLOPS

851.2 GFLOPS

FP64 (double)

-

Graphics Processor

Tahiti

GPU Name

Redwood

Orthrus

GPU Variant

Redwood PRO (215-0757004)

GCN 1.0

Architecture

TeraScale 2

TSMC

Foundry

TSMC

28 nm

Process Size

40 nm

4.313 billion

Transistors

0.627 billion

352 mm²

Die Size

104 mm²

Board Design

300W

TDP

39W

700 W

Suggested PSU

200 W

1x DVI 1x mini-DisplayPort 1.2

Outputs

1x DVI 1x HDMI 1.3a 1x VGA

2x 8-pin

Power Connectors

-

Graphics Features

12 (11_1)

DirectX

11.2 (11_0)

4.6

OpenGL

4.4

1.2

OpenCL

1.2

Vulkan

N/A

-

CUDA

-

5.1

Shader Model

5.0

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