AMD Radeon Sky 900 vs ATI Radeon X1950 GT

VS

AMD Radeon Sky 900

ATI Radeon X1950 GT

We compared two Desktop platform GPUs: 3GB VRAM Radeon Sky 900 and 256MB VRAM Radeon X1950 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 6 years and 2 months late

Boost Clock950MHz

More VRAM (3GB vs 256GB)

Larger VRAM bandwidth (240.0GB/s vs 38.40GB/s)

1792 additional rendering cores

ATI Radeon X1950 GT 's Advantages

Lower TDP (57W vs 300W)

Score

Radeon Sky 900

VS

Radeon X1950 GT

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

825 MHz

Base Clock

-

950 MHz

Boost Clock

-

1250 MHz

Memory Clock

600 MHz

Memory

3GB

Memory Size

256MB

GDDR5

Memory Type

GDDR3

384bit

Memory Bus

256bit

240.0GB/s

Bandwidth

38.40GB/s

Render Config

28

Compute Units

-

1792

Shading Units

-

112

TMUs

12

32

ROPs

12

-

16 KB (per CU)

L1 Cache

-

768 KB

L2 Cache

-

Theoretical Performance

30.40 GPixel/s

Pixel Rate

6.000 GPixel/s

106.4 GTexel/s

Texture Rate

6.000 GTexel/s

-

3.405 TFLOPS

FP32 (float)

-

851.2 GFLOPS

FP64 (double)

-

Board Design

300W

TDP

57W

700 W

Suggested PSU

250 W

1x DVI 1x mini-DisplayPort 1.2

Outputs

2x DVI 1x S-Video

2x 8-pin

Power Connectors

1x 6-pin

Graphics Processor

Tahiti

GPU Name

RV570

Orthrus

GPU Variant

RV570 XL

GCN 1.0

Architecture

R500

TSMC

Foundry

TSMC

28 nm

Process Size

80 nm

4.313 billion

Transistors

0.33 billion

352 mm²

Die Size

230 mm²

Graphics Features

12 (11_1)

DirectX

9.0c (9_3)

4.6

OpenGL

2.1 (full) 3.0 (partial)

1.2

OpenCL

N/A

1.2

Vulkan

N/A

-

5.1

Shader Model

3.0

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