AMD Radeon Sky 900 vs AMD Radeon RX 560

VS

AMD Radeon Sky 900

AMD Radeon RX 560

We compared two Desktop platform GPUs: 3GB VRAM Radeon Sky 900 and 4GB VRAM Radeon RX 560 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon Sky 900 's Advantages

Larger VRAM bandwidth (240.0GB/s vs 112.0GB/s)

768 additional rendering cores

AMD Radeon RX 560 's Advantages

Released 4 years and 1 months late

Boost Clock has increased by 34% (1275MHz vs 950MHz)

More VRAM (4GB vs 3GB)

Lower TDP (75W vs 300W)

Score

Benchmark

FP32 (float)

Radeon Sky 900 +30%

3.405 TFLOPS

Radeon RX 560

2.611 TFLOPS

Radeon Sky 900

VS

Radeon RX 560

Graphics Card

Mar 2013

Release Date

Apr 2017

Radeon Sky

Generation

Polaris

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 3.0 x8

Clock Speeds

825 MHz

Base Clock

1175 MHz

950 MHz

Boost Clock

1275 MHz

1250 MHz

Memory Clock

1750 MHz

Memory

3GB

Memory Size

4GB

GDDR5

Memory Type

GDDR5

384bit

Memory Bus

128bit

240.0GB/s

Bandwidth

112.0GB/s

Render Config

28

Compute Units

16

-

1792

Shading Units

1024

112

TMUs

64

32

ROPs

16

-

16 KB (per CU)

L1 Cache

16 KB (per CU)

768 KB

L2 Cache

1024 KB

-

Theoretical Performance

30.40 GPixel/s

Pixel Rate

20.40 GPixel/s

106.4 GTexel/s

Texture Rate

81.60 GTexel/s

-

FP16 (half)

2.611 TFLOPS

3.405 TFLOPS

FP32 (float)

2.611 TFLOPS

851.2 GFLOPS

FP64 (double)

163.2 GFLOPS

Board Design

300W

TDP

75W

700 W

Suggested PSU

250 W

1x DVI 1x mini-DisplayPort 1.2

Outputs

1x DVI 1x HDMI 2.0b 1x DisplayPort 1.4a

2x 8-pin

Power Connectors

None

Graphics Processor

Tahiti

GPU Name

Polaris 21

Orthrus

GPU Variant

Polaris 21 XT (215-0908004)

GCN 1.0

Architecture

GCN 4.0

TSMC

Foundry

GlobalFoundries

28 nm

Process Size

14 nm

4.313 billion

Transistors

3 billion

352 mm²

Die Size

123 mm²

Graphics Features

12 (11_1)

DirectX

12 (12_0)

4.6

OpenGL

4.6

1.2

OpenCL

2.1

1.2

Vulkan

1.2

-

5.1

Shader Model

6.4

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