AMD Radeon R9 255 OEM vs AMD Radeon R9 260 OEM

VS

AMD Radeon R9 255 OEM

AMD Radeon R9 260 OEM

We compared two Desktop platform GPUs: 2GB VRAM Radeon R9 255 OEM 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 255 OEM 's Advantages

Boost Clock930MHz

More VRAM (2GB vs 1024GB)

Lower TDP (65W vs 85W)

AMD Radeon R9 260 OEM 's Advantages

Larger VRAM bandwidth (104.0GB/s vs 73.60GB/s)

384 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon R9 255 OEM

0.952 TFLOPS

Radeon R9 260 OEM +107%

1.971 TFLOPS

Radeon R9 255 OEM

VS

Radeon R9 260 OEM

Graphics Card

Dec 2013

Release Date

Dec 2013

Volcanic Islands

Generation

Volcanic Islands

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

900 MHz

Base Clock

-

930 MHz

Boost Clock

-

1150 MHz

Memory Clock

1625 MHz

Memory

2GB

Memory Size

1024MB

GDDR5

Memory Type

GDDR5

128bit

Memory Bus

128bit

73.60GB/s

Bandwidth

104.0GB/s

Render Config

8

Compute Units

14

-

512

Shading Units

896

32

TMUs

56

16

ROPs

16

-

16 KB (per CU)

L1 Cache

16 KB (per CU)

256 KB

L2 Cache

256 KB

-

Theoretical Performance

14.88 GPixel/s

Pixel Rate

17.60 GPixel/s

29.76 GTexel/s

Texture Rate

61.60 GTexel/s

-

952.3 GFLOPS

FP32 (float)

1.971 TFLOPS

59.52 GFLOPS

FP64 (double)

123.2 GFLOPS

Board Design

65W

TDP

85W

250 W

Suggested PSU

250 W

No outputs

Outputs

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

1x 6-pin

Power Connectors

1x 6-pin

Graphics Processor

Cape Verde

GPU Name

Bonaire

Cape Verde PRX

GPU Variant

Bonaire XT (215-0839039)

GCN 1.0

Architecture

GCN 2.0

TSMC

Foundry

TSMC

28 nm

Process Size

28 nm

1.5 billion

Transistors

2.08 billion

123 mm²

Die Size

160 mm²

Graphics Features

12 (11_1)

DirectX

12 (12_0)

4.6

OpenGL

4.6

1.2

OpenCL

2.0

1.2

Vulkan

1.2

-

5.1

Shader Model

6.3

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