AMD Radeon R9 260 OEM vs AMD Radeon HD 6770 Green Edition

VS

AMD Radeon R9 260 OEM

AMD Radeon HD 6770 Green Edition

We compared two Desktop platform GPUs: 1024MB VRAM Radeon R9 260 OEM and 2GB VRAM Radeon HD 6770 Green Edition to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon R9 260 OEM 's Advantages

Released 8 months late

Larger VRAM bandwidth (104.0GB/s vs 21.34GB/s)

176 additional rendering cores

Lower TDP (85W vs 86W)

AMD Radeon HD 6770 Green Edition 's Advantages

More VRAM (2GB vs 1024GB)

Score

Benchmark

FP32 (float)

Radeon R9 260 OEM +95%

1.971 TFLOPS

Radeon HD 6770 Green Edition

1.008 TFLOPS

Radeon R9 260 OEM

VS

Radeon HD 6770 Green Edition

Graphics Card

Dec 2013

Release Date

Apr 2013

Volcanic Islands

Generation

Northern Islands

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

1625 MHz

Memory Clock

667 MHz

Memory

1024MB

Memory Size

2GB

GDDR5

Memory Type

GDDR3

128bit

Memory Bus

128bit

104.0GB/s

Bandwidth

21.34GB/s

Render Config

14

Compute Units

9

-

896

Shading Units

720

56

TMUs

36

16

ROPs

16

-

16 KB (per CU)

L1 Cache

8 KB (per CU)

256 KB

L2 Cache

256 KB

-

Theoretical Performance

17.60 GPixel/s

Pixel Rate

11.20 GPixel/s

61.60 GTexel/s

Texture Rate

25.20 GTexel/s

-

1.971 TFLOPS

FP32 (float)

1008 GFLOPS

123.2 GFLOPS

FP64 (double)

-

Board Design

85W

TDP

86W

250 W

Suggested PSU

250 W

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

Outputs

2x DVI 1x HDMI 1.3a 2x mini-DisplayPort 1.1

1x 6-pin

Power Connectors

-

Graphics Processor

Bonaire

GPU Name

Juniper

Bonaire XT (215-0839039)

GPU Variant

Juniper LE (215-0754009)

GCN 2.0

Architecture

TeraScale 2

TSMC

Foundry

TSMC

28 nm

Process Size

40 nm

2.08 billion

Transistors

1.04 billion

160 mm²

Die Size

166 mm²

Graphics Features

12 (12_0)

DirectX

11.2 (11_0)

4.6

OpenGL

4.4

2.0

OpenCL

1.2

Vulkan

N/A

-

6.3

Shader Model

5.0

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