AMD Radeon Sky 900 vs ATI Radeon HD 4670 AGP

VS

AMD Radeon Sky 900

ATI Radeon HD 4670 AGP

We compared two Desktop platform GPUs: 3GB VRAM Radeon Sky 900 and 1024MB VRAM Radeon HD 4670 AGP to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon Sky 900 's Advantages

Released 3 years and 8 months late

Boost Clock950MHz

More VRAM (3GB vs 1024GB)

Larger VRAM bandwidth (240.0GB/s vs 25.60GB/s)

1472 additional rendering cores

ATI Radeon HD 4670 AGP 's Advantages

Lower TDP (59W vs 300W)

Score

Benchmark

FP32 (float)

Radeon Sky 900 +609%

3.405 TFLOPS

Radeon HD 4670 AGP

0.48 TFLOPS

Radeon Sky 900

VS

Radeon HD 4670 AGP

Graphics Card

Mar 2013

Release Date

Jul 2009

Radeon Sky

Generation

Radeon R700

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

AGP 8x

Clock Speeds

825 MHz

Base Clock

-

950 MHz

Boost Clock

-

1250 MHz

Memory Clock

800 MHz

Memory

3GB

Memory Size

1024MB

GDDR5

Memory Type

GDDR3

384bit

Memory Bus

128bit

240.0GB/s

Bandwidth

25.60GB/s

Render Config

28

Compute Units

4

-

1792

Shading Units

320

112

TMUs

32

ROPs

8

-

16 KB (per CU)

L1 Cache

16 KB (per CU)

768 KB

L2 Cache

128 KB

-

Theoretical Performance

30.40 GPixel/s

Pixel Rate

6.000 GPixel/s

106.4 GTexel/s

Texture Rate

24.00 GTexel/s

-

3.405 TFLOPS

FP32 (float)

480.0 GFLOPS

851.2 GFLOPS

FP64 (double)

-

Board Design

300W

TDP

59W

700 W

Suggested PSU

250 W

1x DVI 1x mini-DisplayPort 1.2

Outputs

1x DVI 1x HDMI 1.3a 1x VGA

2x 8-pin

Power Connectors

-

Graphics Processor

Tahiti

GPU Name

RV730

Orthrus

GPU Variant

RV730 XT (215-0719047)

GCN 1.0

Architecture

TeraScale

TSMC

Foundry

TSMC

28 nm

Process Size

55 nm

4.313 billion

Transistors

0.514 billion

352 mm²

Die Size

146 mm²

Graphics Features

12 (11_1)

DirectX

10.1 (10_1)

4.6

OpenGL

3.3

1.2

OpenCL

1.1

1.2

Vulkan

N/A

-

5.1

Shader Model

4.1

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