AMD Radeon HD 6490 vs ATI Radeon X800 GTO

VS

AMD Radeon HD 6490

ATI Radeon X800 GTO

We compared two Desktop platform GPUs: 1024MB VRAM Radeon HD 6490 and 128MB VRAM Radeon X800 GTO to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon HD 6490 's Advantages

Released 3 years and 7 months late

More VRAM (1024GB vs 128GB)

320 additional rendering cores

Lower TDP (39W vs 49W)

ATI Radeon X800 GTO 's Advantages

Larger VRAM bandwidth (22.40GB/s vs 16.00GB/s)

Score

Radeon HD 6490

VS

Radeon X800 GTO

Graphics Card

Jul 2011

Release Date

Dec 2007

Northern Islands

Generation

Radeon R400 PCIe

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 1.0 x16

Clock Speeds

-

500 MHz

Memory Clock

350 MHz

Memory

1024MB

Memory Size

128MB

DDR2

Memory Type

DDR

128bit

Memory Bus

256bit

16.00GB/s

Bandwidth

22.40GB/s

Render Config

4

Compute Units

-

320

Shading Units

-

16

TMUs

12

8

ROPs

12

-

8 KB (per CU)

L1 Cache

-

256 KB

L2 Cache

-

Theoretical Performance

4.400 GPixel/s

Pixel Rate

4.800 GPixel/s

8.800 GTexel/s

Texture Rate

4.800 GTexel/s

-

352.0 GFLOPS

FP32 (float)

-

Board Design

39W

TDP

49W

200 W

Suggested PSU

200 W

1x DVI 1x HDMI 1.3a 1x VGA

Outputs

1x DVI 1x VGA 1x S-Video

None

Power Connectors

-

Graphics Processor

Redwood

GPU Name

R423

Redwood LE

GPU Variant

R423 GTO

TeraScale 2

Architecture

R400

TSMC

Foundry

TSMC

40 nm

Process Size

130 nm

0.627 billion

Transistors

0.16 billion

104 mm²

Die Size

289 mm²

Graphics Features

11.2 (11_0)

DirectX

9.0b (9_2)

4.4

OpenGL

2.1

1.2

OpenCL

N/A

Vulkan

N/A

-

5.0

Shader Model

-

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