AMD Radeon HD 6790 vs ATI Radeon X1600 XT Dual

VS

AMD Radeon HD 6790

ATI Radeon X1600 XT Dual

We compared two Desktop platform GPUs: 1024MB VRAM Radeon HD 6790 and 256MB VRAM Radeon X1600 XT Dual to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon HD 6790 's Advantages

More VRAM (1024GB vs 256GB)

Larger VRAM bandwidth (134.4GB/s vs 22.08GB/s)

800 additional rendering cores

Score

Radeon HD 6790

VS

Radeon X1600 XT Dual

Graphics Card

Apr 2011

Release Date

Unknown

Northern Islands

Generation

Radeon R500 PCIe

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 1.0 x16

Clock Speeds

-

1050 MHz

Memory Clock

690 MHz

Memory

1024MB

Memory Size

256MB

GDDR5

Memory Type

GDDR3

256bit

Memory Bus

128bit

134.4GB/s

Bandwidth

22.08GB/s

Render Config

10

Compute Units

-

800

Shading Units

-

40

TMUs

4

16

ROPs

4

-

8 KB (per CU)

L1 Cache

-

512 KB

L2 Cache

-

Theoretical Performance

13.44 GPixel/s

Pixel Rate

2.360 GPixel/s

33.60 GTexel/s

Texture Rate

2.360 GTexel/s

-

1344 GFLOPS

FP32 (float)

-

Board Design

150W

TDP

Unknown

450 W

Suggested PSU

200 W

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

Outputs

2x DVI

2x 6-pin

Power Connectors

1x Molex

Graphics Processor

Barts

GPU Name

RV530

Barts LE (215-0798002)

GPU Variant

-

TeraScale 2

Architecture

Ultra-Threaded SE

TSMC

Foundry

TSMC

40 nm

Process Size

90 nm

1.7 billion

Transistors

0.157 billion

255 mm²

Die Size

150 mm²

Graphics Features

11.2 (11_0)

DirectX

9.0c (9_3)

4.4

OpenGL

2.1

1.2

OpenCL

N/A

Vulkan

N/A

-

5.0

Shader Model

3.0

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