AMD Radeon Sky 900 vs AMD Radeon 540

VS

AMD Radeon Sky 900

AMD Radeon 540

We compared two Desktop platform GPUs: 3GB VRAM Radeon Sky 900 and 1024MB VRAM AMD Radeon 540 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon Sky 900 's Advantages

Boost Clock950MHz

More VRAM (3GB vs 1024GB)

Larger VRAM bandwidth (240.0GB/s vs 24.00GB/s)

1408 additional rendering cores

AMD Radeon 540 's Advantages

Released 4 years and 1 months late

Lower TDP (50W vs 300W)

Score

Benchmark

FP32 (float)

Radeon Sky 900 +275%

3.405 TFLOPS

AMD Radeon 540

0.908 TFLOPS

Radeon Sky 900

VS

AMD Radeon 540

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

-

950 MHz

Boost Clock

-

1250 MHz

Memory Clock

1500 MHz

Memory

3GB

Memory Size

1024MB

GDDR5

Memory Type

GDDR5

384bit

Memory Bus

32bit

240.0GB/s

Bandwidth

24.00GB/s

Render Config

28

Compute Units

6

-

1792

Shading Units

384

112

TMUs

24

32

ROPs

16

-

16 KB (per CU)

L1 Cache

16 KB (per CU)

768 KB

L2 Cache

512 KB

-

Theoretical Performance

30.40 GPixel/s

Pixel Rate

18.93 GPixel/s

106.4 GTexel/s

Texture Rate

28.39 GTexel/s

-

FP16 (half)

908.5 GFLOPS

3.405 TFLOPS

FP32 (float)

908.5 GFLOPS

851.2 GFLOPS

FP64 (double)

56.78 GFLOPS

Board Design

300W

TDP

50W

700 W

Suggested PSU

250 W

1x DVI 1x mini-DisplayPort 1.2

Outputs

2x DisplayPort 1.4a

2x 8-pin

Power Connectors

None

Graphics Processor

Tahiti

GPU Name

Lexa

Orthrus

GPU Variant

Lexa PRO (215-0904018)

GCN 1.0

Architecture

GCN 4.0

TSMC

Foundry

GlobalFoundries

28 nm

Process Size

14 nm

4.313 billion

Transistors

2.2 billion

352 mm²

Die Size

103 mm²

Graphics Features

12 (11_1)

DirectX

12 (12_0)

4.6

OpenGL

4.6

1.2

OpenCL

2.1

1.2

Vulkan

1.3

-

5.1

Shader Model

6.7

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