AMD Radeon R7 260X vs AMD Radeon Sky 900

VS

We compared two Desktop platform GPUs: 2GB VRAM Radeon R7 260X 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 R7 260X 's Advantages

Released 7 months late

Lower TDP (115W vs 300W)

AMD Radeon Sky 900 's Advantages

Boost Clock950MHz

More VRAM (3GB vs 2GB)

Larger VRAM bandwidth (240.0GB/s vs 104.0GB/s)

896 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon R7 260X

1.971 TFLOPS

Radeon Sky 900 +72%

3.405 TFLOPS

Radeon R7 260X

VS

Radeon Sky 900

Graphics Card

Oct 2013

Release Date

Mar 2013

Volcanic Islands

Generation

Radeon Sky

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

-

Base Clock

825 MHz

-

Boost Clock

950 MHz

1625 MHz

Memory Clock

1250 MHz

Memory

2GB

Memory Size

3GB

GDDR5

Memory Type

GDDR5

128bit

Memory Bus

384bit

104.0GB/s

Bandwidth

240.0GB/s

Render Config

-

SM Count

-

14

Compute Units

28

896

Shading Units

1792

56

TMUs

112

16

ROPs

32

-

Tensor Cores

-

RT Cores

-

16 KB (per CU)

L1 Cache

16 KB (per CU)

256 KB

L2 Cache

768 KB

Theoretical Performance

17.60 GPixel/s

Pixel Rate

30.40 GPixel/s

61.60 GTexel/s

Texture Rate

106.4 GTexel/s

-

FP16 (half)

-

1.971 TFLOPS

FP32 (float)

3.405 TFLOPS

123.2 GFLOPS

FP64 (double)

851.2 GFLOPS

Graphics Processor

Bonaire

GPU Name

Tahiti

Bonaire XTX (215-0839097)

GPU Variant

Orthrus

GCN 2.0

Architecture

GCN 1.0

TSMC

Foundry

TSMC

28 nm

Process Size

28 nm

2.08 billion

Transistors

4.313 billion

160 mm²

Die Size

352 mm²

Board Design

115W

TDP

300W

300 W

Suggested PSU

700 W

2x DVI 1x HDMI 1.4a 1x DisplayPort 1.2

Outputs

1x DVI 1x mini-DisplayPort 1.2

1x 6-pin

Power Connectors

2x 8-pin

Graphics Features

12 (12_0)

DirectX

12 (11_1)

4.6

OpenGL

4.6

2.0

OpenCL

1.2

Vulkan

1.2

-

CUDA

-

6.3

Shader Model

5.1

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