AMD Radeon HD 6870 1600SP Edition vs ATI Radeon X550 XT

VS

AMD Radeon HD 6870 1600SP Edition

ATI Radeon X550 XT

We compared two Desktop platform GPUs: 1024MB VRAM Radeon HD 6870 1600SP Edition 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 1600SP Edition 's Advantages

Released 6 years late

More VRAM (1024GB vs 128GB)

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

1600 additional rendering cores

Score

Radeon HD 6870 1600SP Edition

VS

Radeon X550 XT

Graphics Card

Jan 2013

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

20

Compute Units

-

1600

Shading Units

-

80

TMUs

4

32

ROPs

4

-

8 KB (per CU)

L1 Cache

-

512 KB

L2 Cache

-

Theoretical Performance

27.20 GPixel/s

Pixel Rate

1.600 GPixel/s

68.00 GTexel/s

Texture Rate

1.600 GTexel/s

-

2.720 TFLOPS

FP32 (float)

-

544.0 GFLOPS

FP64 (double)

-

Board Design

175W

TDP

Unknown

450 W

Suggested PSU

200 W

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

Outputs

1x DVI 1x VGA 1x S-Video

2x 6-pin

Power Connectors

None

Graphics Processor

Cypress

GPU Name

RV410

Cypress XT (215-0735033)

GPU Variant

-

TeraScale 2

Architecture

R400

TSMC

Foundry

TSMC

40 nm

Process Size

110 nm

2.154 billion

Transistors

0.12 billion

334 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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