AMD Radeon R9 285 vs AMD Radeon R9 260 OEM

VS

We compared two Desktop platform GPUs: 2GB VRAM Radeon R9 285 and 1024MB VRAM Radeon R9 260 OEM to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon R9 285 's Advantages

Released 9 months late

More VRAM (2GB vs 1GB)

Larger VRAM bandwidth (176.0GB/s vs 104.0GB/s)

896 additional rendering cores

AMD Radeon R9 260 OEM 's Advantages

Lower TDP (85W vs 190W)

Score

Benchmark

FP32 (float)

Radeon R9 285 +66%

3.29 TFLOPS

Radeon R9 260 OEM

1.971 TFLOPS

Radeon R9 285

VS

Radeon R9 260 OEM

Graphics Card

Sep 2014

Release Date

Dec 2013

Volcanic Islands

Generation

Volcanic Islands

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

-

Base Clock

-

Boost Clock

-

1375 MHz

Memory Clock

1625 MHz

Memory

2GB

Memory Size

1024MB

GDDR5

Memory Type

GDDR5

256bit

Memory Bus

128bit

176.0GB/s

Bandwidth

104.0GB/s

Render Config

-

SM Count

-

28

Compute Units

14

1792

Shading Units

896

112

TMUs

56

32

ROPs

16

-

Tensor Cores

-

RT Cores

-

16 KB (per CU)

L1 Cache

16 KB (per CU)

512 KB

L2 Cache

256 KB

Theoretical Performance

29.38 GPixel/s

Pixel Rate

17.60 GPixel/s

102.8 GTexel/s

Texture Rate

61.60 GTexel/s

3.290 TFLOPS

FP16 (half)

-

3.290 TFLOPS

FP32 (float)

1.971 TFLOPS

205.6 GFLOPS

FP64 (double)

123.2 GFLOPS

Graphics Processor

Tonga

GPU Name

Bonaire

Tonga PRO (215-0851128)

GPU Variant

Bonaire XT (215-0839039)

GCN 3.0

Architecture

GCN 2.0

TSMC

Foundry

TSMC

28 nm

Process Size

28 nm

5 billion

Transistors

2.08 billion

366 mm²

Die Size

160 mm²

Board Design

190W

TDP

85W

450 W

Suggested PSU

250 W

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

Outputs

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

2x 6-pin

Power Connectors

1x 6-pin

Graphics Features

12 (12_0)

DirectX

12 (12_0)

4.6

OpenGL

4.6

2.1

OpenCL

2.0

1.2.170

Vulkan

1.2

-

CUDA

-

6.5

Shader Model

6.3

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