AMD Radeon RX 580G vs AMD Radeon Sky 900

VS

AMD Radeon RX 580G

AMD Radeon Sky 900

We compared two Desktop platform GPUs: 8GB VRAM Radeon RX 580G and 3GB VRAM Radeon Sky 900 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon RX 580G 's Advantages

Released 5 years and 7 months late

Boost Clock has increased by 40% (1330MHz vs 950MHz)

More VRAM (8GB vs 3GB)

Larger VRAM bandwidth (256.0GB/s vs 240.0GB/s)

512 additional rendering cores

Lower TDP (185W vs 300W)

Score

Benchmark

FP32 (float)

Radeon RX 580G +80%

6.129 TFLOPS

Radeon Sky 900

3.405 TFLOPS

Radeon RX 580G

VS

Radeon Sky 900

Graphics Card

Oct 2018

Release Date

Mar 2013

Polaris

Generation

Radeon Sky

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

1257 MHz

Base Clock

825 MHz

1330 MHz

Boost Clock

950 MHz

2000 MHz

Memory Clock

1250 MHz

Memory

8GB

Memory Size

3GB

GDDR5

Memory Type

GDDR5

256bit

Memory Bus

384bit

256.0GB/s

Bandwidth

240.0GB/s

Render Config

36

Compute Units

28

-

2304

Shading Units

1792

144

TMUs

112

32

ROPs

32

-

16 KB (per CU)

L1 Cache

16 KB (per CU)

2 MB

L2 Cache

768 KB

-

Theoretical Performance

42.56 GPixel/s

Pixel Rate

30.40 GPixel/s

191.5 GTexel/s

Texture Rate

106.4 GTexel/s

6.129 TFLOPS

FP16 (half)

-

6.129 TFLOPS

FP32 (float)

3.405 TFLOPS

383.0 GFLOPS

FP64 (double)

851.2 GFLOPS

Board Design

185W

TDP

300W

450 W

Suggested PSU

700 W

1x HDMI 2.0b 3x DisplayPort 1.4a

Outputs

1x DVI 1x mini-DisplayPort 1.2

1x 8-pin

Power Connectors

2x 8-pin

Graphics Processor

Polaris 20

GPU Name

Tahiti

Polaris 20 XTX (215-0910038)

GPU Variant

Orthrus

GCN 4.0

Architecture

GCN 1.0

GlobalFoundries

Foundry

TSMC

14 nm

Process Size

28 nm

5.7 billion

Transistors

4.313 billion

232 mm²

Die Size

352 mm²

Graphics Features

12 (12_0)

DirectX

12 (11_1)

4.6

OpenGL

4.6

2.1

OpenCL

1.2

Vulkan

1.2

-

6.4

Shader Model

5.1

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