AMD Radeon HD 6770 vs AMD Radeon R7 260

VS

AMD Radeon HD 6770

AMD Radeon R7 260

We compared two Desktop platform GPUs: 1024MB VRAM Radeon HD 6770 and 2GB VRAM Radeon R7 260 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon HD 6770 's Advantages

32 additional rendering cores

AMD Radeon R7 260 's Advantages

Released 2 years and 11 months late

More VRAM (2GB vs 1024GB)

Larger VRAM bandwidth (96.00GB/s vs 76.80GB/s)

Lower TDP (95W vs 108W)

Score

Benchmark

FP32 (float)

Radeon HD 6770

1.36 TFLOPS

Radeon R7 260 +12%

1.536 TFLOPS

Radeon HD 6770

VS

Radeon R7 260

Graphics Card

Jan 2011

Release Date

Dec 2013

Northern Islands

Generation

Volcanic Islands

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

-

1200 MHz

Memory Clock

1500 MHz

Memory

1024MB

Memory Size

2GB

GDDR5

Memory Type

GDDR5

128bit

Memory Bus

128bit

76.80GB/s

Bandwidth

96.00GB/s

Render Config

10

Compute Units

12

-

800

Shading Units

768

40

TMUs

48

16

ROPs

16

-

8 KB (per CU)

L1 Cache

16 KB (per CU)

256 KB

L2 Cache

256 KB

-

Theoretical Performance

13.60 GPixel/s

Pixel Rate

16.00 GPixel/s

34.00 GTexel/s

Texture Rate

48.00 GTexel/s

-

1360 GFLOPS

FP32 (float)

1.536 TFLOPS

-

FP64 (double)

96.00 GFLOPS

Board Design

108W

TDP

95W

300 W

Suggested PSU

250 W

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

Outputs

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

1x 6-pin

Power Connectors

1x 6-pin

Graphics Processor

Juniper

GPU Name

Bonaire

Juniper XT (215-0754013)

GPU Variant

Bonaire PRO

TeraScale 2

Architecture

GCN 2.0

TSMC

Foundry

TSMC

40 nm

Process Size

28 nm

1.04 billion

Transistors

2.08 billion

166 mm²

Die Size

160 mm²

Graphics Features

11.2 (11_0)

DirectX

12 (12_0)

4.4

OpenGL

4.6

1.2

OpenCL

2.0

N/A

Vulkan

1.2

-

5.0

Shader Model

6.3

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