AMD Radeon Sky 900 vs ATI Radeon X1650 GT

VS

AMD Radeon Sky 900

ATI Radeon X1650 GT

We compared two Desktop platform GPUs: 3GB VRAM Radeon Sky 900 and 128MB VRAM Radeon X1650 GT to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon Sky 900 's Advantages

Released 5 years and 10 months late

Boost Clock950MHz

More VRAM (3GB vs 128GB)

Larger VRAM bandwidth (240.0GB/s vs 12.80GB/s)

1792 additional rendering cores

Score

Radeon Sky 900

VS

Radeon X1650 GT

Graphics Card

Mar 2013

Release Date

May 2007

Radeon Sky

Generation

Radeon R500 PCIe

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 1.0 x16

Clock Speeds

825 MHz

Base Clock

-

950 MHz

Boost Clock

-

1250 MHz

Memory Clock

400 MHz

Memory

3GB

Memory Size

128MB

GDDR5

Memory Type

GDDR3

384bit

Memory Bus

128bit

240.0GB/s

Bandwidth

12.80GB/s

Render Config

28

Compute Units

-

1792

Shading Units

-

112

TMUs

8

32

ROPs

8

-

16 KB (per CU)

L1 Cache

-

768 KB

L2 Cache

-

Theoretical Performance

30.40 GPixel/s

Pixel Rate

3.200 GPixel/s

106.4 GTexel/s

Texture Rate

3.200 GTexel/s

-

3.405 TFLOPS

FP32 (float)

-

851.2 GFLOPS

FP64 (double)

-

Board Design

300W

TDP

Unknown

700 W

Suggested PSU

200 W

1x DVI 1x mini-DisplayPort 1.2

Outputs

1x DVI 1x VGA 1x S-Video

2x 8-pin

Power Connectors

None

Graphics Processor

Tahiti

GPU Name

RV560

Orthrus

GPU Variant

RV560 GT

GCN 1.0

Architecture

Ultra-Threaded SE

TSMC

Foundry

TSMC

28 nm

Process Size

80 nm

4.313 billion

Transistors

0.312 billion

352 mm²

Die Size

230 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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