ATI Radeon X550 XT vs ATI Radeon HD 3870

VS

ATI Radeon X550 XT

ATI Radeon HD 3870

We compared two Desktop platform GPUs: 128MB VRAM Radeon X550 XT and 512MB VRAM Radeon HD 3870 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

ATI Radeon HD 3870 's Advantages

Released 10 months late

More VRAM (512GB vs 128GB)

Larger VRAM bandwidth (72.06GB/s vs 9.600GB/s)

320 additional rendering cores

Score

Radeon X550 XT

VS

Radeon HD 3870

Graphics Card

Jan 2007

Release Date

Nov 2007

Radeon R300

Generation

Radeon R600

Desktop

Type

Desktop

PCIe 1.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

300 MHz

Memory Clock

1126 MHz

Memory

128MB

Memory Size

512MB

GDDR3

Memory Type

GDDR4

128bit

Memory Bus

256bit

9.600GB/s

Bandwidth

72.06GB/s

Render Config

-

Compute Units

4

-

Shading Units

320

4

TMUs

16

4

ROPs

16

-

L2 Cache

256 KB

-

Theoretical Performance

1.600 GPixel/s

Pixel Rate

12.43 GPixel/s

1.600 GTexel/s

Texture Rate

12.43 GTexel/s

-

FP32 (float)

497.3 GFLOPS

-

FP64 (double)

99.46 GFLOPS

Board Design

Unknown

TDP

106W

200 W

Suggested PSU

300 W

1x DVI 1x VGA 1x S-Video

Outputs

2x DVI 1x S-Video

None

Power Connectors

1x 6-pin

Graphics Processor

RV410

GPU Name

RV670

-

GPU Variant

RV670 XT (215-0708005)

R400

Architecture

TeraScale

TSMC

Foundry

TSMC

110 nm

Process Size

55 nm

0.12 billion

Transistors

0.666 billion

156 mm²

Die Size

192 mm²

Graphics Features

9.0b (9_2)

DirectX

10.1 (10_1)

2.0

OpenGL

3.3 (full) 4.0 (partial)

N/A

OpenCL

N/A

Vulkan

N/A

-

Shader Model

4.1

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