AMD Radeon HD 6490 vs NVIDIA GeForce GTX 480

VS

AMD Radeon HD 6490

NVIDIA GeForce GTX 480

We compared two Desktop platform GPUs: 1024MB VRAM Radeon HD 6490 and 1536MB VRAM GeForce GTX 480 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon HD 6490 's Advantages

Released 1 years and 4 months late

Lower TDP (39W vs 250W)

NVIDIA GeForce GTX 480 's Advantages

More VRAM (1536GB vs 1024GB)

Larger VRAM bandwidth (177.4GB/s vs 16.00GB/s)

160 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon HD 6490

0.352 TFLOPS

GeForce GTX 480 +282%

1.345 TFLOPS

Radeon HD 6490

VS

GeForce GTX 480

Graphics Card

Jul 2011

Release Date

Mar 2010

Northern Islands

Generation

GeForce 400

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

500 MHz

Memory Clock

924 MHz

Memory

1024MB

Memory Size

1536MB

DDR2

Memory Type

GDDR5

128bit

Memory Bus

384bit

16.00GB/s

Bandwidth

177.4GB/s

Render Config

4

Compute Units

-

SM Count

15

320

Shading Units

480

16

TMUs

60

8

ROPs

48

-

8 KB (per CU)

L1 Cache

64 KB (per SM)

256 KB

L2 Cache

768 KB

-

Theoretical Performance

4.400 GPixel/s

Pixel Rate

21.03 GPixel/s

8.800 GTexel/s

Texture Rate

42.06 GTexel/s

-

352.0 GFLOPS

FP32 (float)

1345 GFLOPS

-

FP64 (double)

168.1 GFLOPS

Board Design

39W

TDP

250W

200 W

Suggested PSU

600 W

1x DVI 1x HDMI 1.3a 1x VGA

Outputs

2x DVI 1x mini-HDMI 1.3a

None

Power Connectors

1x 6-pin + 1x 8-pin

Graphics Processor

Redwood

GPU Name

GF100

Redwood LE

GPU Variant

GF100-375-A3

TeraScale 2

Architecture

Fermi

TSMC

Foundry

TSMC

40 nm

Process Size

40 nm

0.627 billion

Transistors

3.1 billion

104 mm²

Die Size

529 mm²

Graphics Features

11.2 (11_0)

DirectX

12 (11_0)

4.4

OpenGL

4.6

1.2

OpenCL

1.1

N/A

Vulkan

N/A

-

CUDA

2.0

5.0

Shader Model

5.1

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