AMD Radeon R9 290 vs AMD Radeon HD 6490

VS

AMD Radeon R9 290

AMD Radeon HD 6490

We compared two Desktop platform GPUs: 4GB VRAM Radeon R9 290 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 R9 290 's Advantages

Released 2 years and 4 months late

More VRAM (4GB vs 1024GB)

Larger VRAM bandwidth (320.0GB/s vs 16.00GB/s)

2240 additional rendering cores

AMD Radeon HD 6490 's Advantages

Lower TDP (39W vs 275W)

Score

Benchmark

FP32 (float)

Radeon R9 290 +1277%

4.849 TFLOPS

Radeon HD 6490

0.352 TFLOPS

Radeon R9 290

VS

Radeon HD 6490

Graphics Card

Nov 2013

Release Date

Jul 2011

Volcanic Islands

Generation

Northern Islands

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

1250 MHz

Memory Clock

500 MHz

Memory

4GB

Memory Size

1024MB

GDDR5

Memory Type

DDR2

512bit

Memory Bus

128bit

320.0GB/s

Bandwidth

16.00GB/s

Render Config

40

Compute Units

4

-

2560

Shading Units

320

160

TMUs

16

64

ROPs

8

-

16 KB (per CU)

L1 Cache

8 KB (per CU)

1024 KB

L2 Cache

256 KB

-

Theoretical Performance

60.61 GPixel/s

Pixel Rate

4.400 GPixel/s

151.5 GTexel/s

Texture Rate

8.800 GTexel/s

-

4.849 TFLOPS

FP32 (float)

352.0 GFLOPS

606.1 GFLOPS

FP64 (double)

-

Board Design

275W

TDP

39W

600 W

Suggested PSU

200 W

2x DVI 1x HDMI 1.4a 1x DisplayPort 1.2

Outputs

1x DVI 1x HDMI 1.3a 1x VGA

1x 6-pin + 1x 8-pin

Power Connectors

None

Graphics Processor

Hawaii

GPU Name

Redwood

Hawaii PRO (215-0852020)

GPU Variant

Redwood LE

GCN 2.0

Architecture

TeraScale 2

TSMC

Foundry

TSMC

28 nm

Process Size

40 nm

6.2 billion

Transistors

0.627 billion

438 mm²

Die Size

104 mm²

Graphics Features

12 (12_0)

DirectX

11.2 (11_0)

4.6

OpenGL

4.4

2.0

OpenCL

1.2

Vulkan

N/A

-

6.3

Shader Model

5.0

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