AMD Radeon R7 260X vs AMD Radeon R9 285X

VS

AMD Radeon R7 260X

AMD Radeon R9 285X

We compared two Desktop platform GPUs: 2GB VRAM Radeon R7 260X and 3GB VRAM Radeon R9 285X to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon R7 260X 's Advantages

Lower TDP (115W vs 200W)

AMD Radeon R9 285X 's Advantages

More VRAM (3GB vs 2GB)

Larger VRAM bandwidth (264.0GB/s vs 104.0GB/s)

1152 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon R7 260X

1.971 TFLOPS

Radeon R9 285X +108%

4.104 TFLOPS

Radeon R7 260X

VS

Radeon R9 285X

Graphics Card

Oct 2013

Release Date

Unknown

Volcanic Islands

Generation

Volcanic Islands

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

-

1625 MHz

Memory Clock

1375 MHz

Memory

2GB

Memory Size

3GB

GDDR5

Memory Type

GDDR5

128bit

Memory Bus

384bit

104.0GB/s

Bandwidth

264.0GB/s

Render Config

14

Compute Units

32

-

896

Shading Units

2048

56

TMUs

128

16

ROPs

32

-

16 KB (per CU)

L1 Cache

16 KB (per CU)

256 KB

L2 Cache

768 KB

-

Theoretical Performance

17.60 GPixel/s

Pixel Rate

32.06 GPixel/s

61.60 GTexel/s

Texture Rate

128.3 GTexel/s

-

1.971 TFLOPS

FP32 (float)

4.104 TFLOPS

123.2 GFLOPS

FP64 (double)

-

Board Design

115W

TDP

200W

300 W

Suggested PSU

550 W

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

Outputs

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

1x 6-pin

Power Connectors

1x 6-pin + 1x 8-pin

Graphics Processor

Bonaire

GPU Name

Tonga

Bonaire XTX (215-0839097)

GPU Variant

Tonga XT (215-0851313)

GCN 2.0

Architecture

GCN 3.0

TSMC

Foundry

TSMC

28 nm

Process Size

28 nm

2.08 billion

Transistors

5 billion

160 mm²

Die Size

366 mm²

Graphics Features

12 (12_0)

DirectX

12 (12_0)

4.6

OpenGL

4.6

2.0

OpenCL

2.0

1.2

Vulkan

1.2

-

6.3

Shader Model

6.3

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