AMD Radeon Sky 700 vs ATI Radeon X1550

VS

AMD Radeon Sky 700

ATI Radeon X1550

We compared two Desktop platform GPUs: 6GB VRAM Radeon Sky 700 and 256MB VRAM Radeon X1550 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon Sky 700 's Advantages

Released 6 years and 2 months late

More VRAM (6GB vs 256GB)

Larger VRAM bandwidth (264.0GB/s vs 12.80GB/s)

1792 additional rendering cores

ATI Radeon X1550 's Advantages

Lower TDP (27W vs 225W)

Score

Radeon Sky 700

VS

Radeon X1550

Graphics Card

Mar 2013

Release Date

Jan 2007

Radeon Sky

Generation

Radeon R500 PCIe

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 1.0 x16

Clock Speeds

-

1375 MHz

Memory Clock

400 MHz

Memory

6GB

Memory Size

256MB

GDDR5

Memory Type

DDR2

384bit

Memory Bus

128bit

264.0GB/s

Bandwidth

12.80GB/s

Render Config

28

Compute Units

-

1792

Shading Units

-

112

TMUs

4

32

ROPs

4

-

16 KB (per CU)

L1 Cache

-

768 KB

L2 Cache

-

Theoretical Performance

28.80 GPixel/s

Pixel Rate

2.200 GPixel/s

100.8 GTexel/s

Texture Rate

2.200 GTexel/s

-

3.226 TFLOPS

FP32 (float)

-

806.4 GFLOPS

FP64 (double)

-

Board Design

225W

TDP

27W

550 W

Suggested PSU

200 W

1x DisplayPort 1.2

Outputs

1x DVI 1x VGA 1x S-Video

1x 8-pin

Power Connectors

None

Graphics Processor

Tahiti

GPU Name

RV516

Tahiti PRO GL

GPU Variant

-

GCN 1.0

Architecture

R500

TSMC

Foundry

UMC

28 nm

Process Size

80 nm

4.313 billion

Transistors

0.107 billion

352 mm²

Die Size

100 mm²

Graphics Features

12 (11_1)

DirectX

9.0c (9_3)

4.6

OpenGL

2.1

1.2

OpenCL

N/A

1.2

Vulkan

N/A

-

5.1

Shader Model

3.0

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