AMD Radeon HD 8470 OEM vs AMD Radeon HD 6490

VS

AMD Radeon HD 8470 OEM

AMD Radeon HD 6490

We compared two Desktop platform GPUs: 1024MB VRAM Radeon HD 8470 OEM and 1024MB VRAM Radeon HD 6490 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon HD 8470 OEM 's Advantages

Released 1 years and 6 months late

Larger VRAM bandwidth (25.60GB/s vs 16.00GB/s)

Lower TDP (35W vs 39W)

AMD Radeon HD 6490 's Advantages

160 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon HD 8470 OEM

0.248 TFLOPS

Radeon HD 6490 +41%

0.352 TFLOPS

Radeon HD 8470 OEM

VS

Radeon HD 6490

Graphics Card

Jan 2013

Release Date

Jul 2011

Sea Islands

Generation

Northern Islands

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

800 MHz

Memory Clock

500 MHz

Memory

1024MB

Memory Size

1024MB

GDDR5

Memory Type

DDR2

64bit

Memory Bus

128bit

25.60GB/s

Bandwidth

16.00GB/s

Render Config

2

Compute Units

4

-

160

Shading Units

320

8

TMUs

16

4

ROPs

8

-

8 KB (per CU)

L1 Cache

8 KB (per CU)

128 KB

L2 Cache

256 KB

-

Theoretical Performance

3.100 GPixel/s

Pixel Rate

4.400 GPixel/s

6.200 GTexel/s

Texture Rate

8.800 GTexel/s

-

248.0 GFLOPS

FP32 (float)

352.0 GFLOPS

-

Board Design

35W

TDP

39W

200 W

Suggested PSU

200 W

1x DVI 1x HDMI 1.3a

Outputs

1x DVI 1x HDMI 1.3a 1x VGA

None

Power Connectors

None

Graphics Processor

Caicos

GPU Name

Redwood

Caicos XT (215-0804070)

GPU Variant

Redwood LE

TeraScale 2

Architecture

TeraScale 2

TSMC

Foundry

TSMC

40 nm

Process Size

40 nm

0.37 billion

Transistors

0.627 billion

67 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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