AMD Radeon Sky 900 vs ATI Radeon X1950 XTX Uber Edition

VS

AMD Radeon Sky 900 ATI Radeon X1950 XTX Uber Edition

We compared two Desktop platform GPUs: 3GB VRAM Radeon Sky 900 and 512MB VRAM Radeon X1950 XTX Uber Edition 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

Larger VRAM bandwidth (240.0GB/s vs 67.20GB/s)

1792 additional rendering cores

ATI Radeon X1950 XTX Uber Edition 's Advantages

Lower TDP (125W vs 300W)

Score

Radeon Sky 900

VS

Radeon X1950 XTX Uber Edition

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

1050 MHz

Memory

3GB

Memory Size

512MB

GDDR5

Memory Type

GDDR4

384bit

Memory Bus

256bit

240.0GB/s

Bandwidth

67.20GB/s

Render Config

-

SM Count

-

28

Compute Units

-

1792

Shading Units

-

112

TMUs

16

32

ROPs

16

-

Tensor Cores

-

RT Cores

-

16 KB (per CU)

L1 Cache

-

768 KB

L2 Cache

-

Theoretical Performance

30.40 GPixel/s

Pixel Rate

10.72 GPixel/s

106.4 GTexel/s

Texture Rate

10.72 GTexel/s

-

FP16 (half)

-

3.405 TFLOPS

FP32 (float)

-

851.2 GFLOPS

FP64 (double)

-

Graphics Processor

Tahiti

GPU Name

R580+

Orthrus

GPU Variant

R580+ XT (215BAABKA31FG)

GCN 1.0

Architecture

R500

TSMC

Foundry

TSMC

28 nm

Process Size

90 nm

4.313 billion

Transistors

0.384 billion

352 mm²

Die Size

352 mm²

Board Design

300W

TDP

125W

700 W

Suggested PSU

300 W

1x DVI 1x mini-DisplayPort 1.2

Outputs

1x DVI 1x VHDCI

2x 8-pin

Power Connectors

1x 6-pin

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

-

CUDA

-

5.1

Shader Model

3.0

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