AMD Radeon R9 260 OEM vs AMD Radeon R9 270

VS

AMD Radeon R9 260 OEM

AMD Radeon R9 270

We compared two Desktop platform GPUs: 1024MB VRAM Radeon R9 260 OEM and 2GB VRAM Radeon R9 270 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon R9 260 OEM 's Advantages

Lower TDP (85W vs 150W)

AMD Radeon R9 270 's Advantages

Boost Clock925MHz

More VRAM (2GB vs 1024GB)

Larger VRAM bandwidth (179.2GB/s vs 104.0GB/s)

384 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon R9 260 OEM

1.971 TFLOPS

Radeon R9 270 +20%

2.368 TFLOPS

Radeon R9 260 OEM

VS

Radeon R9 270

Graphics Card

Dec 2013

Release Date

Nov 2013

Volcanic Islands

Generation

Volcanic Islands

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

-

Base Clock

900 MHz

-

Boost Clock

925 MHz

1625 MHz

Memory Clock

1400 MHz

Memory

1024MB

Memory Size

2GB

GDDR5

Memory Type

GDDR5

128bit

Memory Bus

256bit

104.0GB/s

Bandwidth

179.2GB/s

Render Config

14

Compute Units

20

-

896

Shading Units

1280

56

TMUs

80

16

ROPs

32

-

16 KB (per CU)

L1 Cache

16 KB (per CU)

256 KB

L2 Cache

512 KB

-

Theoretical Performance

17.60 GPixel/s

Pixel Rate

29.60 GPixel/s

61.60 GTexel/s

Texture Rate

74.00 GTexel/s

-

1.971 TFLOPS

FP32 (float)

2.368 TFLOPS

123.2 GFLOPS

FP64 (double)

148.0 GFLOPS

Board Design

85W

TDP

150W

250 W

Suggested PSU

450 W

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

Outputs

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

1x 6-pin

Power Connectors

1x 6-pin

Graphics Processor

Bonaire

GPU Name

Curacao

Bonaire XT (215-0839039)

GPU Variant

Curacao PRO (215-0848000)

GCN 2.0

Architecture

GCN 1.0

TSMC

Foundry

TSMC

28 nm

Process Size

28 nm

2.08 billion

Transistors

2.8 billion

160 mm²

Die Size

212 mm²

Graphics Features

12 (12_0)

DirectX

12 (11_1)

4.6

OpenGL

4.6

2.0

OpenCL

1.2

Vulkan

1.2

-

6.3

Shader Model

5.1

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