ATI Radeon X1950 XTX Uber Edition vs AMD Radeon HD 6790

VS

ATI Radeon X1950 XTX Uber Edition

AMD Radeon HD 6790

We compared two Desktop platform GPUs: 512MB VRAM Radeon X1950 XTX Uber Edition and 1024MB VRAM Radeon HD 6790 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

ATI Radeon X1950 XTX Uber Edition 's Advantages

Lower TDP (125W vs 150W)

AMD Radeon HD 6790 's Advantages

Released 4 years and 3 months late

More VRAM (1024GB vs 512GB)

Larger VRAM bandwidth (134.4GB/s vs 67.20GB/s)

800 additional rendering cores

Score

Radeon X1950 XTX Uber Edition

VS

Radeon HD 6790

Graphics Card

Jan 2007

Release Date

Apr 2011

Radeon R500 PCIe

Generation

Northern Islands

Desktop

Type

Desktop

PCIe 1.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

1050 MHz

Memory Clock

1050 MHz

Memory

512MB

Memory Size

1024MB

GDDR4

Memory Type

GDDR5

256bit

Memory Bus

256bit

67.20GB/s

Bandwidth

134.4GB/s

Render Config

-

Compute Units

10

-

Shading Units

800

16

TMUs

40

16

ROPs

16

-

L1 Cache

8 KB (per CU)

-

L2 Cache

512 KB

-

Theoretical Performance

10.72 GPixel/s

Pixel Rate

13.44 GPixel/s

10.72 GTexel/s

Texture Rate

33.60 GTexel/s

-

FP32 (float)

1344 GFLOPS

-

Board Design

125W

TDP

150W

300 W

Suggested PSU

450 W

1x DVI 1x VHDCI

Outputs

2x DVI 1x HDMI 1.3a 1x DisplayPort 1.1

1x 6-pin

Power Connectors

2x 6-pin

Graphics Processor

R580+

GPU Name

Barts

R580+ XT (215BAABKA31FG)

GPU Variant

Barts LE (215-0798002)

R500

Architecture

TeraScale 2

TSMC

Foundry

TSMC

90 nm

Process Size

40 nm

0.384 billion

Transistors

1.7 billion

352 mm²

Die Size

255 mm²

Graphics Features

9.0c (9_3)

DirectX

11.2 (11_0)

2.1 (full) 3.0 (partial)

OpenGL

4.4

N/A

OpenCL

1.2

N/A

Vulkan

N/A

-

3.0

Shader Model

5.0

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