AMD Radeon RX 570 vs AMD Radeon Sky 900

VS

AMD Radeon RX 570

AMD Radeon Sky 900

We compared two Desktop platform GPUs: 4GB VRAM Radeon RX 570 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 570 's Advantages

Released 4 years and 1 months late

Boost Clock has increased by 31% (1244MHz vs 950MHz)

More VRAM (4GB vs 3GB)

256 additional rendering cores

Lower TDP (150W vs 300W)

AMD Radeon Sky 900 's Advantages

Larger VRAM bandwidth (240.0GB/s vs 224.0GB/s)

Score

Benchmark

FP32 (float)

Radeon RX 570 +49%

5.095 TFLOPS

Radeon Sky 900

3.405 TFLOPS

Radeon RX 570

VS

Radeon Sky 900

Graphics Card

Apr 2017

Release Date

Mar 2013

Polaris

Generation

Radeon Sky

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

1168 MHz

Base Clock

825 MHz

1244 MHz

Boost Clock

950 MHz

1750 MHz

Memory Clock

1250 MHz

Memory

4GB

Memory Size

3GB

GDDR5

Memory Type

GDDR5

256bit

Memory Bus

384bit

224.0GB/s

Bandwidth

240.0GB/s

Render Config

32

Compute Units

28

-

2048

Shading Units

1792

128

TMUs

112

32

ROPs

32

-

16 KB (per CU)

L1 Cache

16 KB (per CU)

2 MB

L2 Cache

768 KB

-

Theoretical Performance

39.81 GPixel/s

Pixel Rate

30.40 GPixel/s

159.2 GTexel/s

Texture Rate

106.4 GTexel/s

5.095 TFLOPS

FP16 (half)

-

5.095 TFLOPS

FP32 (float)

3.405 TFLOPS

318.5 GFLOPS

FP64 (double)

851.2 GFLOPS

Board Design

150W

TDP

300W

450 W

Suggested PSU

700 W

1x DVI 1x HDMI 2.0b 3x DisplayPort 1.4a

Outputs

1x DVI 1x mini-DisplayPort 1.2

1x 6-pin

Power Connectors

2x 8-pin

Graphics Processor

Polaris 20

GPU Name

Tahiti

Polaris 20 XL (215-0910052)

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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