AMD Radeon HD 6490 vs NVIDIA GeForce GTX 280

VS

AMD Radeon HD 6490

NVIDIA GeForce GTX 280

We compared two Desktop platform GPUs: 1024MB VRAM Radeon HD 6490 and 1024MB VRAM GeForce GTX 280 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 1 months late

80 additional rendering cores

Lower TDP (39W vs 236W)

NVIDIA GeForce GTX 280 's Advantages

Larger VRAM bandwidth (141.7GB/s vs 16.00GB/s)

Score

Benchmark

FP32 (float)

Radeon HD 6490

0.352 TFLOPS

GeForce GTX 280 +76%

0.622 TFLOPS

Radeon HD 6490

VS

GeForce GTX 280

Graphics Card

Jul 2011

Release Date

Jun 2008

Northern Islands

Generation

GeForce 200

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

500 MHz

Memory Clock

1107 MHz

Memory

1024MB

Memory Size

1024MB

DDR2

Memory Type

GDDR3

128bit

Memory Bus

512bit

16.00GB/s

Bandwidth

141.7GB/s

Render Config

4

Compute Units

-

SM Count

30

320

Shading Units

240

16

TMUs

80

8

ROPs

32

-

8 KB (per CU)

L1 Cache

-

256 KB

L2 Cache

256 KB

-

Theoretical Performance

4.400 GPixel/s

Pixel Rate

19.26 GPixel/s

8.800 GTexel/s

Texture Rate

48.16 GTexel/s

-

352.0 GFLOPS

FP32 (float)

622.1 GFLOPS

-

FP64 (double)

77.76 GFLOPS

Board Design

39W

TDP

236W

200 W

Suggested PSU

550 W

1x DVI 1x HDMI 1.3a 1x VGA

Outputs

2x DVI 1x S-Video

None

Power Connectors

1x 6-pin + 1x 8-pin

Graphics Processor

Redwood

GPU Name

GT200

Redwood LE

GPU Variant

G200-300-A2

TeraScale 2

Architecture

Tesla 2.0

TSMC

Foundry

TSMC

40 nm

Process Size

65 nm

0.627 billion

Transistors

1.4 billion

104 mm²

Die Size

576 mm²

Graphics Features

11.2 (11_0)

DirectX

11.1 (10_0)

4.4

OpenGL

3.3

1.2

OpenCL

1.1

N/A

Vulkan

N/A

-

CUDA

1.3

5.0

Shader Model

4.0

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