ATI Radeon HD 5870 Eyefinity 6 vs AMD Radeon HD 6490

VS

ATI Radeon HD 5870 Eyefinity 6

AMD Radeon HD 6490

We compared two Desktop platform GPUs: 2GB VRAM Radeon HD 5870 Eyefinity 6 and 1024MB VRAM Radeon HD 6490 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

ATI Radeon HD 5870 Eyefinity 6 's Advantages

More VRAM (2GB vs 1024GB)

Larger VRAM bandwidth (153.6GB/s vs 16.00GB/s)

1280 additional rendering cores

AMD Radeon HD 6490 's Advantages

Released 1 years and 4 months late

Lower TDP (39W vs 228W)

Score

Benchmark

FP32 (float)

Radeon HD 5870 Eyefinity 6 +672%

2.72 TFLOPS

Radeon HD 6490

0.352 TFLOPS

Radeon HD 5870 Eyefinity 6

VS

Radeon HD 6490

Graphics Card

Mar 2010

Release Date

Jul 2011

Evergreen

Generation

Northern Islands

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

1200 MHz

Memory Clock

500 MHz

Memory

2GB

Memory Size

1024MB

GDDR5

Memory Type

DDR2

256bit

Memory Bus

128bit

153.6GB/s

Bandwidth

16.00GB/s

Render Config

20

Compute Units

4

-

1600

Shading Units

320

80

TMUs

16

32

ROPs

8

-

8 KB (per CU)

L1 Cache

8 KB (per CU)

512 KB

L2 Cache

256 KB

-

Theoretical Performance

27.20 GPixel/s

Pixel Rate

4.400 GPixel/s

68.00 GTexel/s

Texture Rate

8.800 GTexel/s

-

2.720 TFLOPS

FP32 (float)

352.0 GFLOPS

544.0 GFLOPS

FP64 (double)

-

Board Design

228W

TDP

39W

550 W

Suggested PSU

200 W

6x mini-DisplayPort 1.1

Outputs

1x DVI 1x HDMI 1.3a 1x VGA

1x 6-pin + 1x 8-pin

Power Connectors

None

Graphics Processor

Cypress

GPU Name

Redwood

Cypress XT (215-0735033)

GPU Variant

Redwood LE

TeraScale 2

Architecture

TeraScale 2

TSMC

Foundry

TSMC

40 nm

Process Size

40 nm

2.154 billion

Transistors

0.627 billion

334 mm²

Die Size

104 mm²

Graphics Features

11.2 (11_0)

DirectX

11.2 (11_0)

4.4

OpenGL

4.4

1.2

OpenCL

1.2

N/A

Vulkan

N/A

-

5.0

Shader Model

5.0

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