AMD Radeon RX 570 X2 vs AMD Radeon Sky 900

VS

AMD Radeon RX 570 X2

AMD Radeon Sky 900

We compared two Desktop platform GPUs: 8GB VRAM Radeon RX 570 X2 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 X2 's Advantages

Boost Clock has increased by 27% (1206MHz vs 950MHz)

More VRAM (8GB vs 3GB)

Larger VRAM bandwidth (268.8GB/s vs 240.0GB/s)

256 additional rendering cores

Lower TDP (180W vs 300W)

Score

Benchmark

FP32 (float)

Radeon RX 570 X2 +45%

4.94 TFLOPS

Radeon Sky 900

3.405 TFLOPS

Radeon RX 570 X2

VS

Radeon Sky 900

Graphics Card

Unknown

Release Date

Mar 2013

Mining GPUs

Generation

Radeon Sky

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

1120 MHz

Base Clock

825 MHz

1206 MHz

Boost Clock

950 MHz

2100 MHz

Memory Clock

1250 MHz

Memory

8GB

Memory Size

3GB

GDDR5

Memory Type

GDDR5

256bit

Memory Bus

384bit

268.8GB/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

38.59 GPixel/s

Pixel Rate

30.40 GPixel/s

154.4 GTexel/s

Texture Rate

106.4 GTexel/s

4.940 TFLOPS

FP16 (half)

-

4.940 TFLOPS

FP32 (float)

3.405 TFLOPS

308.7 GFLOPS

FP64 (double)

851.2 GFLOPS

Board Design

180W

TDP

300W

450 W

Suggested PSU

700 W

1x HDMI 2.0b

Outputs

1x DVI 1x mini-DisplayPort 1.2

2x 8-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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