ATI Radeon X550 XT vs ATI Radeon HD 4850 X2

VS

ATI Radeon X550 XT

ATI Radeon HD 4850 X2

We compared two Desktop platform GPUs: 128MB VRAM Radeon X550 XT and 512MB VRAM Radeon HD 4850 X2 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

ATI Radeon HD 4850 X2 's Advantages

Released 1 years and 10 months late

More VRAM (512GB vs 128GB)

Larger VRAM bandwidth (63.68GB/s vs 9.600GB/s)

800 additional rendering cores

Score

Radeon X550 XT

VS

Radeon HD 4850 X2

Graphics Card

Jan 2007

Release Date

Nov 2008

Radeon R300

Generation

Radeon R700

Desktop

Type

Desktop

PCIe 1.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

300 MHz

Memory Clock

995 MHz

Memory

128MB

Memory Size

512MB

GDDR3

Memory Type

GDDR3

128bit

Memory Bus

256bit

9.600GB/s

Bandwidth

63.68GB/s

Render Config

-

Compute Units

10

-

Shading Units

800

4

TMUs

40

4

ROPs

16

-

L1 Cache

16 KB (per CU)

-

L2 Cache

256 KB

-

Theoretical Performance

1.600 GPixel/s

Pixel Rate

10.00 GPixel/s

1.600 GTexel/s

Texture Rate

25.00 GTexel/s

-

FP32 (float)

1000 GFLOPS

-

FP64 (double)

200.0 GFLOPS

Board Design

Unknown

TDP

250W

200 W

Suggested PSU

600 W

1x DVI 1x VGA 1x S-Video

Outputs

4x DVI 1x S-Video

None

Power Connectors

1x 6-pin + 1x 8-pin

Graphics Processor

RV410

GPU Name

R700

-

GPU Variant

R700 PRO (215-0669065)

R400

Architecture

TeraScale

TSMC

Foundry

TSMC

110 nm

Process Size

55 nm

0.12 billion

Transistors

0.956 billion

156 mm²

Die Size

256 mm²

Graphics Features

9.0b (9_2)

DirectX

10.1 (10_1)

2.0

OpenGL

3.3

N/A

OpenCL

1.1

N/A

Vulkan

N/A

-

Shader Model

4.1

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