AMD Radeon HD 6490 vs ATI Radeon HD 2400

VS

AMD Radeon HD 6490

ATI Radeon HD 2400

We compared two Desktop platform GPUs: 1024MB VRAM Radeon HD 6490 and 256MB VRAM ATI Radeon HD 2400 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 5 months late

More VRAM (1024GB vs 256GB)

Larger VRAM bandwidth (16.00GB/s vs 7.920GB/s)

280 additional rendering cores

ATI Radeon HD 2400 's Advantages

Lower TDP (20W vs 39W)

Score

Benchmark

FP32 (float)

Radeon HD 6490 +1000%

0.352 TFLOPS

ATI Radeon HD 2400

0.032 TFLOPS

Radeon HD 6490

VS

ATI Radeon HD 2400

Graphics Card

Jul 2011

Release Date

Feb 2008

Northern Islands

Generation

Radeon R600

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 1.0 x16

Clock Speeds

-

500 MHz

Memory Clock

495 MHz

Memory

1024MB

Memory Size

256MB

DDR2

Memory Type

DDR2

128bit

Memory Bus

64bit

16.00GB/s

Bandwidth

7.920GB/s

Render Config

4

Compute Units

2

-

320

Shading Units

40

16

TMUs

4

8

ROPs

4

-

8 KB (per CU)

L1 Cache

-

256 KB

L2 Cache

32 KB

-

Theoretical Performance

4.400 GPixel/s

Pixel Rate

1.592 GPixel/s

8.800 GTexel/s

Texture Rate

1.592 GTexel/s

-

352.0 GFLOPS

FP32 (float)

31.84 GFLOPS

-

Board Design

39W

TDP

20W

200 W

Suggested PSU

200 W

1x DVI 1x HDMI 1.3a 1x VGA

Outputs

1x DVI 1x S-Video

None

Power Connectors

None

Graphics Processor

Redwood

GPU Name

RV610

Redwood LE

GPU Variant

-

TeraScale 2

Architecture

TeraScale

TSMC

Foundry

TSMC

40 nm

Process Size

65 nm

0.627 billion

Transistors

0.18 billion

104 mm²

Die Size

85 mm²

Graphics Features

11.2 (11_0)

DirectX

10.0 (10_0)

4.4

OpenGL

3.3

1.2

OpenCL

N/A

Vulkan

N/A

-

5.0

Shader Model

4.0

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