AMD Radeon HD 6870 X2 vs ATI Radeon X550 XT

VS

AMD Radeon HD 6870 X2

ATI Radeon X550 XT

We compared two Desktop platform GPUs: 1024MB VRAM Radeon HD 6870 X2 and 128MB VRAM Radeon X550 XT to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon HD 6870 X2 's Advantages

Released 4 years and 6 months late

More VRAM (1024GB vs 128GB)

Larger VRAM bandwidth (134.4GB/s vs 9.600GB/s)

1120 additional rendering cores

Score

Radeon HD 6870 X2

VS

Radeon X550 XT

Graphics Card

Jul 2011

Release Date

Jan 2007

Northern Islands

Generation

Radeon R300

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 1.0 x16

Clock Speeds

-

1050 MHz

Memory Clock

300 MHz

Memory

1024MB

Memory Size

128MB

GDDR5

Memory Type

GDDR3

256bit

Memory Bus

128bit

134.4GB/s

Bandwidth

9.600GB/s

Render Config

14

Compute Units

-

1120

Shading Units

-

56

TMUs

4

32

ROPs

4

-

8 KB (per CU)

L1 Cache

-

512 KB

L2 Cache

-

Theoretical Performance

28.80 GPixel/s

Pixel Rate

1.600 GPixel/s

50.40 GTexel/s

Texture Rate

1.600 GTexel/s

-

2.016 TFLOPS

FP32 (float)

-

Board Design

300W

TDP

Unknown

700 W

Suggested PSU

200 W

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

Outputs

1x DVI 1x VGA 1x S-Video

-

Power Connectors

None

Graphics Processor

Barts

GPU Name

RV410

Barts XT (215-0798000)

GPU Variant

-

TeraScale 2

Architecture

R400

TSMC

Foundry

TSMC

40 nm

Process Size

110 nm

1.7 billion

Transistors

0.12 billion

255 mm²

Die Size

156 mm²

Graphics Features

11.2 (11_0)

DirectX

9.0b (9_2)

4.4

OpenGL

2.0

1.2

OpenCL

N/A

Vulkan

N/A

-

5.0

Shader Model

-

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