AMD Radeon R9 285X vs ATI Radeon X1550 PCI

VS

AMD Radeon R9 285X

ATI Radeon X1550 PCI

We compared two Desktop platform GPUs: 3GB VRAM Radeon R9 285X and 256MB VRAM Radeon X1550 PCI to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon R9 285X 's Advantages

More VRAM (3GB vs 256GB)

Larger VRAM bandwidth (264.0GB/s vs 4.256GB/s)

2048 additional rendering cores

ATI Radeon X1550 PCI 's Advantages

Lower TDP (27W vs 200W)

Score

Radeon R9 285X

VS

Radeon X1550 PCI

Graphics Card

Unknown

Release Date

Jan 2007

Volcanic Islands

Generation

Radeon R500 PCIe

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 1.0 x16

Clock Speeds

-

1375 MHz

Memory Clock

266 MHz

Memory

3GB

Memory Size

256MB

GDDR5

Memory Type

DDR2

384bit

Memory Bus

64bit

264.0GB/s

Bandwidth

4.256GB/s

Render Config

32

Compute Units

-

2048

Shading Units

-

128

TMUs

4

32

ROPs

4

-

16 KB (per CU)

L1 Cache

-

768 KB

L2 Cache

-

Theoretical Performance

32.06 GPixel/s

Pixel Rate

1.808 GPixel/s

128.3 GTexel/s

Texture Rate

1.808 GTexel/s

-

4.104 TFLOPS

FP32 (float)

-

Board Design

200W

TDP

27W

550 W

Suggested PSU

200 W

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

Outputs

1x DVI 1x VGA 1x S-Video

1x 6-pin + 1x 8-pin

Power Connectors

None

Graphics Processor

Tonga

GPU Name

RV516

Tonga XT (215-0851313)

GPU Variant

-

GCN 3.0

Architecture

R500

TSMC

Foundry

UMC

28 nm

Process Size

80 nm

5 billion

Transistors

0.107 billion

366 mm²

Die Size

100 mm²

Graphics Features

12 (12_0)

DirectX

9.0c (9_3)

4.6

OpenGL

2.1

2.0

OpenCL

N/A

1.2

Vulkan

N/A

-

6.3

Shader Model

3.0

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