AMD Radeon Sky 900 vs ATI Radeon HD 2600 PRO

VS

AMD Radeon Sky 900

ATI Radeon HD 2600 PRO

We compared two Desktop platform GPUs: 3GB VRAM Radeon Sky 900 and 256MB VRAM ATI Radeon HD 2600 PRO 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 9 months late

Boost Clock950MHz

More VRAM (3GB vs 256GB)

Larger VRAM bandwidth (240.0GB/s vs 16.00GB/s)

1672 additional rendering cores

ATI Radeon HD 2600 PRO 's Advantages

Lower TDP (35W vs 300W)

Score

Benchmark

FP32 (float)

Radeon Sky 900 +2264%

3.405 TFLOPS

ATI Radeon HD 2600 PRO

0.144 TFLOPS

Radeon Sky 900

VS

ATI Radeon HD 2600 PRO

Graphics Card

Mar 2013

Release Date

Jun 2007

Radeon Sky

Generation

Radeon R600

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

500 MHz

Memory

3GB

Memory Size

256MB

GDDR5

Memory Type

DDR2

384bit

Memory Bus

128bit

240.0GB/s

Bandwidth

16.00GB/s

Render Config

28

Compute Units

3

-

1792

Shading Units

120

112

TMUs

8

32

ROPs

4

-

16 KB (per CU)

L1 Cache

-

768 KB

L2 Cache

64 KB

-

Theoretical Performance

30.40 GPixel/s

Pixel Rate

2.400 GPixel/s

106.4 GTexel/s

Texture Rate

4.800 GTexel/s

-

3.405 TFLOPS

FP32 (float)

144.0 GFLOPS

851.2 GFLOPS

FP64 (double)

-

Board Design

300W

TDP

35W

700 W

Suggested PSU

200 W

1x DVI 1x mini-DisplayPort 1.2

Outputs

2x DVI 1x S-Video

2x 8-pin

Power Connectors

None

Graphics Processor

Tahiti

GPU Name

RV630

Orthrus

GPU Variant

RV630 PRO (215CDBBKA15FG)

GCN 1.0

Architecture

TeraScale

TSMC

Foundry

TSMC

28 nm

Process Size

65 nm

4.313 billion

Transistors

0.39 billion

352 mm²

Die Size

153 mm²

Graphics Features

12 (11_1)

DirectX

10.0 (10_0)

4.6

OpenGL

3.3

1.2

OpenCL

N/A

1.2

Vulkan

N/A

-

5.1

Shader Model

4.0

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