AMD Radeon R9 260 OEM vs AMD Radeon HD 6850 X2

VS

AMD Radeon R9 260 OEM

AMD Radeon HD 6850 X2

We compared two Desktop platform GPUs: 1024MB VRAM Radeon R9 260 OEM and 2GB VRAM Radeon HD 6850 X2 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 2 years and 3 months late

Lower TDP (85W vs 254W)

AMD Radeon HD 6850 X2 's Advantages

More VRAM (2GB vs 1024GB)

Larger VRAM bandwidth (134.4GB/s vs 104.0GB/s)

64 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon R9 260 OEM +28%

1.971 TFLOPS

Radeon HD 6850 X2

1.536 TFLOPS

Radeon R9 260 OEM

VS

Radeon HD 6850 X2

Graphics Card

Dec 2013

Release Date

Sep 2011

Volcanic Islands

Generation

Northern Islands

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

1625 MHz

Memory Clock

1050 MHz

Memory

1024MB

Memory Size

2GB

GDDR5

Memory Type

GDDR5

128bit

Memory Bus

256bit

104.0GB/s

Bandwidth

134.4GB/s

Render Config

14

Compute Units

12

-

896

Shading Units

960

56

TMUs

48

16

ROPs

32

-

16 KB (per CU)

L1 Cache

8 KB (per CU)

256 KB

L2 Cache

512 KB

-

Theoretical Performance

17.60 GPixel/s

Pixel Rate

25.60 GPixel/s

61.60 GTexel/s

Texture Rate

38.40 GTexel/s

-

1.971 TFLOPS

FP32 (float)

1.536 TFLOPS

123.2 GFLOPS

FP64 (double)

-

Board Design

85W

TDP

254W

250 W

Suggested PSU

600 W

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

Outputs

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

1x 6-pin

Power Connectors

2x 8-pin

Graphics Processor

Bonaire

GPU Name

Barts

Bonaire XT (215-0839039)

GPU Variant

Barts PRO (215-0798006)

GCN 2.0

Architecture

TeraScale 2

TSMC

Foundry

TSMC

28 nm

Process Size

40 nm

2.08 billion

Transistors

1.7 billion

160 mm²

Die Size

255 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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